// SPDX-License-Identifier: GPL-2.0
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#include <dirent.h>
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#include <errno.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <linux/rbtree.h>
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#include <sys/ttydefaults.h>
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#include "../../util/evsel.h"
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#include "../../util/evlist.h"
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#include "../../util/hist.h"
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#include "../../util/pstack.h"
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#include "../../util/sort.h"
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#include "../../util/util.h"
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#include "../../util/top.h"
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#include "../../util/thread.h"
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#include "../../arch/common.h"
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#include "../browsers/hists.h"
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#include "../helpline.h"
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#include "../util.h"
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#include "../ui.h"
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#include "map.h"
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#include "annotate.h"
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#include "srcline.h"
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#include "string2.h"
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#include "units.h"
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#include "sane_ctype.h"
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extern void hist_browser__init_hpp(void);
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static int hists_browser__scnprintf_title(struct hist_browser *browser, char *bf, size_t size);
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static void hist_browser__update_nr_entries(struct hist_browser *hb);
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static struct rb_node *hists__filter_entries(struct rb_node *nd,
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float min_pcnt);
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static bool hist_browser__has_filter(struct hist_browser *hb)
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{
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return hists__has_filter(hb->hists) || hb->min_pcnt || symbol_conf.has_filter || hb->c2c_filter;
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}
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static int hist_browser__get_folding(struct hist_browser *browser)
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{
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struct rb_node *nd;
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struct hists *hists = browser->hists;
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int unfolded_rows = 0;
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for (nd = rb_first(&hists->entries);
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(nd = hists__filter_entries(nd, browser->min_pcnt)) != NULL;
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nd = rb_hierarchy_next(nd)) {
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struct hist_entry *he =
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rb_entry(nd, struct hist_entry, rb_node);
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if (he->leaf && he->unfolded)
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unfolded_rows += he->nr_rows;
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}
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return unfolded_rows;
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}
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static void hist_browser__set_title_space(struct hist_browser *hb)
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{
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struct ui_browser *browser = &hb->b;
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struct hists *hists = hb->hists;
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struct perf_hpp_list *hpp_list = hists->hpp_list;
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browser->extra_title_lines = hb->show_headers ? hpp_list->nr_header_lines : 0;
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}
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static u32 hist_browser__nr_entries(struct hist_browser *hb)
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{
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u32 nr_entries;
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if (symbol_conf.report_hierarchy)
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nr_entries = hb->nr_hierarchy_entries;
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else if (hist_browser__has_filter(hb))
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nr_entries = hb->nr_non_filtered_entries;
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else
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nr_entries = hb->hists->nr_entries;
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hb->nr_callchain_rows = hist_browser__get_folding(hb);
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return nr_entries + hb->nr_callchain_rows;
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}
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static void hist_browser__update_rows(struct hist_browser *hb)
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{
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struct ui_browser *browser = &hb->b;
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struct hists *hists = hb->hists;
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struct perf_hpp_list *hpp_list = hists->hpp_list;
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u16 index_row;
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if (!hb->show_headers) {
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browser->rows += browser->extra_title_lines;
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browser->extra_title_lines = 0;
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return;
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}
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browser->extra_title_lines = hpp_list->nr_header_lines;
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browser->rows -= browser->extra_title_lines;
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/*
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* Verify if we were at the last line and that line isn't
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* visibe because we now show the header line(s).
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*/
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index_row = browser->index - browser->top_idx;
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if (index_row >= browser->rows)
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browser->index -= index_row - browser->rows + 1;
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}
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static void hist_browser__refresh_dimensions(struct ui_browser *browser)
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{
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struct hist_browser *hb = container_of(browser, struct hist_browser, b);
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/* 3 == +/- toggle symbol before actual hist_entry rendering */
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browser->width = 3 + (hists__sort_list_width(hb->hists) + sizeof("[k]"));
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/*
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* FIXME: Just keeping existing behaviour, but this really should be
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* before updating browser->width, as it will invalidate the
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* calculation above. Fix this and the fallout in another
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* changeset.
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*/
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ui_browser__refresh_dimensions(browser);
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}
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static void hist_browser__reset(struct hist_browser *browser)
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{
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/*
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* The hists__remove_entry_filter() already folds non-filtered
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* entries so we can assume it has 0 callchain rows.
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*/
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browser->nr_callchain_rows = 0;
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hist_browser__update_nr_entries(browser);
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browser->b.nr_entries = hist_browser__nr_entries(browser);
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hist_browser__refresh_dimensions(&browser->b);
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ui_browser__reset_index(&browser->b);
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}
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static char tree__folded_sign(bool unfolded)
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{
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return unfolded ? '-' : '+';
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}
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static char hist_entry__folded(const struct hist_entry *he)
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{
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return he->has_children ? tree__folded_sign(he->unfolded) : ' ';
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}
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static char callchain_list__folded(const struct callchain_list *cl)
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{
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return cl->has_children ? tree__folded_sign(cl->unfolded) : ' ';
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}
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static void callchain_list__set_folding(struct callchain_list *cl, bool unfold)
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{
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cl->unfolded = unfold ? cl->has_children : false;
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}
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static int callchain_node__count_rows_rb_tree(struct callchain_node *node)
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{
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int n = 0;
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struct rb_node *nd;
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for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) {
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struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node);
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struct callchain_list *chain;
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char folded_sign = ' '; /* No children */
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list_for_each_entry(chain, &child->val, list) {
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++n;
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/* We need this because we may not have children */
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folded_sign = callchain_list__folded(chain);
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if (folded_sign == '+')
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break;
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}
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if (folded_sign == '-') /* Have children and they're unfolded */
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n += callchain_node__count_rows_rb_tree(child);
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}
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return n;
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}
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static int callchain_node__count_flat_rows(struct callchain_node *node)
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{
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struct callchain_list *chain;
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char folded_sign = 0;
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int n = 0;
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list_for_each_entry(chain, &node->parent_val, list) {
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if (!folded_sign) {
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/* only check first chain list entry */
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folded_sign = callchain_list__folded(chain);
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if (folded_sign == '+')
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return 1;
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}
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n++;
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}
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list_for_each_entry(chain, &node->val, list) {
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if (!folded_sign) {
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/* node->parent_val list might be empty */
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folded_sign = callchain_list__folded(chain);
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if (folded_sign == '+')
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return 1;
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}
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n++;
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}
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return n;
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}
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static int callchain_node__count_folded_rows(struct callchain_node *node __maybe_unused)
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{
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return 1;
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}
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static int callchain_node__count_rows(struct callchain_node *node)
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{
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struct callchain_list *chain;
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bool unfolded = false;
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int n = 0;
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if (callchain_param.mode == CHAIN_FLAT)
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return callchain_node__count_flat_rows(node);
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else if (callchain_param.mode == CHAIN_FOLDED)
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return callchain_node__count_folded_rows(node);
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list_for_each_entry(chain, &node->val, list) {
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++n;
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unfolded = chain->unfolded;
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}
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if (unfolded)
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n += callchain_node__count_rows_rb_tree(node);
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return n;
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}
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static int callchain__count_rows(struct rb_root *chain)
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{
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struct rb_node *nd;
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int n = 0;
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for (nd = rb_first(chain); nd; nd = rb_next(nd)) {
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struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node);
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n += callchain_node__count_rows(node);
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}
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return n;
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}
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static int hierarchy_count_rows(struct hist_browser *hb, struct hist_entry *he,
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bool include_children)
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{
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int count = 0;
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struct rb_node *node;
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struct hist_entry *child;
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if (he->leaf)
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return callchain__count_rows(&he->sorted_chain);
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if (he->has_no_entry)
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return 1;
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node = rb_first(&he->hroot_out);
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while (node) {
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float percent;
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child = rb_entry(node, struct hist_entry, rb_node);
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percent = hist_entry__get_percent_limit(child);
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if (!child->filtered && percent >= hb->min_pcnt) {
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count++;
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if (include_children && child->unfolded)
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count += hierarchy_count_rows(hb, child, true);
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}
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node = rb_next(node);
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}
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return count;
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}
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static bool hist_entry__toggle_fold(struct hist_entry *he)
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{
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if (!he)
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return false;
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if (!he->has_children)
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return false;
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he->unfolded = !he->unfolded;
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return true;
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}
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static bool callchain_list__toggle_fold(struct callchain_list *cl)
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{
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if (!cl)
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return false;
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if (!cl->has_children)
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return false;
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cl->unfolded = !cl->unfolded;
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return true;
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}
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static void callchain_node__init_have_children_rb_tree(struct callchain_node *node)
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{
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struct rb_node *nd = rb_first(&node->rb_root);
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for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) {
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struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node);
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struct callchain_list *chain;
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bool first = true;
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list_for_each_entry(chain, &child->val, list) {
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if (first) {
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first = false;
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chain->has_children = chain->list.next != &child->val ||
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!RB_EMPTY_ROOT(&child->rb_root);
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} else
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chain->has_children = chain->list.next == &child->val &&
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!RB_EMPTY_ROOT(&child->rb_root);
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}
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callchain_node__init_have_children_rb_tree(child);
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}
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}
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static void callchain_node__init_have_children(struct callchain_node *node,
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bool has_sibling)
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{
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struct callchain_list *chain;
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chain = list_entry(node->val.next, struct callchain_list, list);
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chain->has_children = has_sibling;
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if (!list_empty(&node->val)) {
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chain = list_entry(node->val.prev, struct callchain_list, list);
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chain->has_children = !RB_EMPTY_ROOT(&node->rb_root);
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}
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callchain_node__init_have_children_rb_tree(node);
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}
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static void callchain__init_have_children(struct rb_root *root)
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{
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struct rb_node *nd = rb_first(root);
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bool has_sibling = nd && rb_next(nd);
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for (nd = rb_first(root); nd; nd = rb_next(nd)) {
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struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node);
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callchain_node__init_have_children(node, has_sibling);
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if (callchain_param.mode == CHAIN_FLAT ||
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callchain_param.mode == CHAIN_FOLDED)
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callchain_node__make_parent_list(node);
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}
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}
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static void hist_entry__init_have_children(struct hist_entry *he)
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{
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if (he->init_have_children)
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return;
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if (he->leaf) {
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he->has_children = !RB_EMPTY_ROOT(&he->sorted_chain);
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callchain__init_have_children(&he->sorted_chain);
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} else {
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he->has_children = !RB_EMPTY_ROOT(&he->hroot_out);
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}
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he->init_have_children = true;
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}
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static bool hist_browser__toggle_fold(struct hist_browser *browser)
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{
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struct hist_entry *he = browser->he_selection;
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struct map_symbol *ms = browser->selection;
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struct callchain_list *cl = container_of(ms, struct callchain_list, ms);
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bool has_children;
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if (!he || !ms)
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return false;
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if (ms == &he->ms)
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has_children = hist_entry__toggle_fold(he);
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else
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has_children = callchain_list__toggle_fold(cl);
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if (has_children) {
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int child_rows = 0;
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hist_entry__init_have_children(he);
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browser->b.nr_entries -= he->nr_rows;
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if (he->leaf)
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browser->nr_callchain_rows -= he->nr_rows;
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else
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browser->nr_hierarchy_entries -= he->nr_rows;
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if (symbol_conf.report_hierarchy)
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child_rows = hierarchy_count_rows(browser, he, true);
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if (he->unfolded) {
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if (he->leaf)
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he->nr_rows = callchain__count_rows(
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&he->sorted_chain);
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else
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he->nr_rows = hierarchy_count_rows(browser, he, false);
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/* account grand children */
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if (symbol_conf.report_hierarchy)
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browser->b.nr_entries += child_rows - he->nr_rows;
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if (!he->leaf && he->nr_rows == 0) {
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he->has_no_entry = true;
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he->nr_rows = 1;
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}
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} else {
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if (symbol_conf.report_hierarchy)
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browser->b.nr_entries -= child_rows - he->nr_rows;
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if (he->has_no_entry)
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he->has_no_entry = false;
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he->nr_rows = 0;
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}
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browser->b.nr_entries += he->nr_rows;
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if (he->leaf)
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browser->nr_callchain_rows += he->nr_rows;
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else
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browser->nr_hierarchy_entries += he->nr_rows;
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return true;
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}
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/* If it doesn't have children, no toggling performed */
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return false;
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}
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static int callchain_node__set_folding_rb_tree(struct callchain_node *node, bool unfold)
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{
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int n = 0;
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struct rb_node *nd;
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for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) {
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struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node);
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struct callchain_list *chain;
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bool has_children = false;
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list_for_each_entry(chain, &child->val, list) {
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++n;
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callchain_list__set_folding(chain, unfold);
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has_children = chain->has_children;
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}
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if (has_children)
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n += callchain_node__set_folding_rb_tree(child, unfold);
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}
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return n;
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}
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static int callchain_node__set_folding(struct callchain_node *node, bool unfold)
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{
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struct callchain_list *chain;
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bool has_children = false;
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int n = 0;
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list_for_each_entry(chain, &node->val, list) {
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++n;
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callchain_list__set_folding(chain, unfold);
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has_children = chain->has_children;
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}
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if (has_children)
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n += callchain_node__set_folding_rb_tree(node, unfold);
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return n;
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}
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static int callchain__set_folding(struct rb_root *chain, bool unfold)
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{
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struct rb_node *nd;
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int n = 0;
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for (nd = rb_first(chain); nd; nd = rb_next(nd)) {
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struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node);
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n += callchain_node__set_folding(node, unfold);
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}
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return n;
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}
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static int hierarchy_set_folding(struct hist_browser *hb, struct hist_entry *he,
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bool unfold __maybe_unused)
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{
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float percent;
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struct rb_node *nd;
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struct hist_entry *child;
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int n = 0;
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for (nd = rb_first(&he->hroot_out); nd; nd = rb_next(nd)) {
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child = rb_entry(nd, struct hist_entry, rb_node);
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percent = hist_entry__get_percent_limit(child);
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if (!child->filtered && percent >= hb->min_pcnt)
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n++;
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}
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return n;
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}
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static void __hist_entry__set_folding(struct hist_entry *he,
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struct hist_browser *hb, bool unfold)
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{
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hist_entry__init_have_children(he);
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he->unfolded = unfold ? he->has_children : false;
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if (he->has_children) {
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int n;
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if (he->leaf)
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n = callchain__set_folding(&he->sorted_chain, unfold);
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else
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n = hierarchy_set_folding(hb, he, unfold);
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he->nr_rows = unfold ? n : 0;
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} else
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he->nr_rows = 0;
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}
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static void hist_entry__set_folding(struct hist_entry *he,
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struct hist_browser *browser, bool unfold)
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{
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double percent;
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percent = hist_entry__get_percent_limit(he);
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if (he->filtered || percent < browser->min_pcnt)
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return;
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__hist_entry__set_folding(he, browser, unfold);
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if (!he->depth || unfold)
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browser->nr_hierarchy_entries++;
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if (he->leaf)
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browser->nr_callchain_rows += he->nr_rows;
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else if (unfold && !hist_entry__has_hierarchy_children(he, browser->min_pcnt)) {
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browser->nr_hierarchy_entries++;
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he->has_no_entry = true;
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he->nr_rows = 1;
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} else
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he->has_no_entry = false;
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}
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static void
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__hist_browser__set_folding(struct hist_browser *browser, bool unfold)
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{
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struct rb_node *nd;
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struct hist_entry *he;
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nd = rb_first(&browser->hists->entries);
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while (nd) {
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he = rb_entry(nd, struct hist_entry, rb_node);
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/* set folding state even if it's currently folded */
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nd = __rb_hierarchy_next(nd, HMD_FORCE_CHILD);
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hist_entry__set_folding(he, browser, unfold);
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}
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}
|
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static void hist_browser__set_folding(struct hist_browser *browser, bool unfold)
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{
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browser->nr_hierarchy_entries = 0;
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browser->nr_callchain_rows = 0;
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__hist_browser__set_folding(browser, unfold);
|
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browser->b.nr_entries = hist_browser__nr_entries(browser);
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/* Go to the start, we may be way after valid entries after a collapse */
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ui_browser__reset_index(&browser->b);
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}
|
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static void hist_browser__set_folding_selected(struct hist_browser *browser, bool unfold)
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{
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if (!browser->he_selection)
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return;
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hist_entry__set_folding(browser->he_selection, browser, unfold);
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browser->b.nr_entries = hist_browser__nr_entries(browser);
|
}
|
|
static void ui_browser__warn_lost_events(struct ui_browser *browser)
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{
|
ui_browser__warning(browser, 4,
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"Events are being lost, check IO/CPU overload!\n\n"
|
"You may want to run 'perf' using a RT scheduler policy:\n\n"
|
" perf top -r 80\n\n"
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"Or reduce the sampling frequency.");
|
}
|
|
static int hist_browser__title(struct hist_browser *browser, char *bf, size_t size)
|
{
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return browser->title ? browser->title(browser, bf, size) : 0;
|
}
|
|
int hist_browser__run(struct hist_browser *browser, const char *help,
|
bool warn_lost_event)
|
{
|
int key;
|
char title[160];
|
struct hist_browser_timer *hbt = browser->hbt;
|
int delay_secs = hbt ? hbt->refresh : 0;
|
|
browser->b.entries = &browser->hists->entries;
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browser->b.nr_entries = hist_browser__nr_entries(browser);
|
|
hist_browser__title(browser, title, sizeof(title));
|
|
if (ui_browser__show(&browser->b, title, "%s", help) < 0)
|
return -1;
|
|
while (1) {
|
key = ui_browser__run(&browser->b, delay_secs);
|
|
switch (key) {
|
case K_TIMER: {
|
u64 nr_entries;
|
|
WARN_ON_ONCE(!hbt);
|
|
if (hbt)
|
hbt->timer(hbt->arg);
|
|
if (hist_browser__has_filter(browser) ||
|
symbol_conf.report_hierarchy)
|
hist_browser__update_nr_entries(browser);
|
|
nr_entries = hist_browser__nr_entries(browser);
|
ui_browser__update_nr_entries(&browser->b, nr_entries);
|
|
if (warn_lost_event &&
|
(browser->hists->stats.nr_lost_warned !=
|
browser->hists->stats.nr_events[PERF_RECORD_LOST])) {
|
browser->hists->stats.nr_lost_warned =
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browser->hists->stats.nr_events[PERF_RECORD_LOST];
|
ui_browser__warn_lost_events(&browser->b);
|
}
|
|
hist_browser__title(browser, title, sizeof(title));
|
ui_browser__show_title(&browser->b, title);
|
continue;
|
}
|
case 'D': { /* Debug */
|
static int seq;
|
struct hist_entry *h = rb_entry(browser->b.top,
|
struct hist_entry, rb_node);
|
ui_helpline__pop();
|
ui_helpline__fpush("%d: nr_ent=(%d,%d), etl: %d, rows=%d, idx=%d, fve: idx=%d, row_off=%d, nrows=%d",
|
seq++, browser->b.nr_entries,
|
browser->hists->nr_entries,
|
browser->b.extra_title_lines,
|
browser->b.rows,
|
browser->b.index,
|
browser->b.top_idx,
|
h->row_offset, h->nr_rows);
|
}
|
break;
|
case 'C':
|
/* Collapse the whole world. */
|
hist_browser__set_folding(browser, false);
|
break;
|
case 'c':
|
/* Collapse the selected entry. */
|
hist_browser__set_folding_selected(browser, false);
|
break;
|
case 'E':
|
/* Expand the whole world. */
|
hist_browser__set_folding(browser, true);
|
break;
|
case 'e':
|
/* Expand the selected entry. */
|
hist_browser__set_folding_selected(browser, true);
|
break;
|
case 'H':
|
browser->show_headers = !browser->show_headers;
|
hist_browser__update_rows(browser);
|
break;
|
case K_ENTER:
|
if (hist_browser__toggle_fold(browser))
|
break;
|
/* fall thru */
|
default:
|
goto out;
|
}
|
}
|
out:
|
ui_browser__hide(&browser->b);
|
return key;
|
}
|
|
struct callchain_print_arg {
|
/* for hists browser */
|
off_t row_offset;
|
bool is_current_entry;
|
|
/* for file dump */
|
FILE *fp;
|
int printed;
|
};
|
|
typedef void (*print_callchain_entry_fn)(struct hist_browser *browser,
|
struct callchain_list *chain,
|
const char *str, int offset,
|
unsigned short row,
|
struct callchain_print_arg *arg);
|
|
static void hist_browser__show_callchain_entry(struct hist_browser *browser,
|
struct callchain_list *chain,
|
const char *str, int offset,
|
unsigned short row,
|
struct callchain_print_arg *arg)
|
{
|
int color, width;
|
char folded_sign = callchain_list__folded(chain);
|
bool show_annotated = browser->show_dso && chain->ms.sym && symbol__annotation(chain->ms.sym)->src;
|
|
color = HE_COLORSET_NORMAL;
|
width = browser->b.width - (offset + 2);
|
if (ui_browser__is_current_entry(&browser->b, row)) {
|
browser->selection = &chain->ms;
|
color = HE_COLORSET_SELECTED;
|
arg->is_current_entry = true;
|
}
|
|
ui_browser__set_color(&browser->b, color);
|
ui_browser__gotorc(&browser->b, row, 0);
|
ui_browser__write_nstring(&browser->b, " ", offset);
|
ui_browser__printf(&browser->b, "%c", folded_sign);
|
ui_browser__write_graph(&browser->b, show_annotated ? SLSMG_RARROW_CHAR : ' ');
|
ui_browser__write_nstring(&browser->b, str, width);
|
}
|
|
static void hist_browser__fprintf_callchain_entry(struct hist_browser *b __maybe_unused,
|
struct callchain_list *chain,
|
const char *str, int offset,
|
unsigned short row __maybe_unused,
|
struct callchain_print_arg *arg)
|
{
|
char folded_sign = callchain_list__folded(chain);
|
|
arg->printed += fprintf(arg->fp, "%*s%c %s\n", offset, " ",
|
folded_sign, str);
|
}
|
|
typedef bool (*check_output_full_fn)(struct hist_browser *browser,
|
unsigned short row);
|
|
static bool hist_browser__check_output_full(struct hist_browser *browser,
|
unsigned short row)
|
{
|
return browser->b.rows == row;
|
}
|
|
static bool hist_browser__check_dump_full(struct hist_browser *browser __maybe_unused,
|
unsigned short row __maybe_unused)
|
{
|
return false;
|
}
|
|
#define LEVEL_OFFSET_STEP 3
|
|
static int hist_browser__show_callchain_list(struct hist_browser *browser,
|
struct callchain_node *node,
|
struct callchain_list *chain,
|
unsigned short row, u64 total,
|
bool need_percent, int offset,
|
print_callchain_entry_fn print,
|
struct callchain_print_arg *arg)
|
{
|
char bf[1024], *alloc_str;
|
char buf[64], *alloc_str2;
|
const char *str;
|
int ret = 1;
|
|
if (arg->row_offset != 0) {
|
arg->row_offset--;
|
return 0;
|
}
|
|
alloc_str = NULL;
|
alloc_str2 = NULL;
|
|
str = callchain_list__sym_name(chain, bf, sizeof(bf),
|
browser->show_dso);
|
|
if (symbol_conf.show_branchflag_count) {
|
callchain_list_counts__printf_value(chain, NULL,
|
buf, sizeof(buf));
|
|
if (asprintf(&alloc_str2, "%s%s", str, buf) < 0)
|
str = "Not enough memory!";
|
else
|
str = alloc_str2;
|
}
|
|
if (need_percent) {
|
callchain_node__scnprintf_value(node, buf, sizeof(buf),
|
total);
|
|
if (asprintf(&alloc_str, "%s %s", buf, str) < 0)
|
str = "Not enough memory!";
|
else
|
str = alloc_str;
|
}
|
|
print(browser, chain, str, offset, row, arg);
|
free(alloc_str);
|
free(alloc_str2);
|
|
return ret;
|
}
|
|
static bool check_percent_display(struct rb_node *node, u64 parent_total)
|
{
|
struct callchain_node *child;
|
|
if (node == NULL)
|
return false;
|
|
if (rb_next(node))
|
return true;
|
|
child = rb_entry(node, struct callchain_node, rb_node);
|
return callchain_cumul_hits(child) != parent_total;
|
}
|
|
static int hist_browser__show_callchain_flat(struct hist_browser *browser,
|
struct rb_root *root,
|
unsigned short row, u64 total,
|
u64 parent_total,
|
print_callchain_entry_fn print,
|
struct callchain_print_arg *arg,
|
check_output_full_fn is_output_full)
|
{
|
struct rb_node *node;
|
int first_row = row, offset = LEVEL_OFFSET_STEP;
|
bool need_percent;
|
|
node = rb_first(root);
|
need_percent = check_percent_display(node, parent_total);
|
|
while (node) {
|
struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node);
|
struct rb_node *next = rb_next(node);
|
struct callchain_list *chain;
|
char folded_sign = ' ';
|
int first = true;
|
int extra_offset = 0;
|
|
list_for_each_entry(chain, &child->parent_val, list) {
|
bool was_first = first;
|
|
if (first)
|
first = false;
|
else if (need_percent)
|
extra_offset = LEVEL_OFFSET_STEP;
|
|
folded_sign = callchain_list__folded(chain);
|
|
row += hist_browser__show_callchain_list(browser, child,
|
chain, row, total,
|
was_first && need_percent,
|
offset + extra_offset,
|
print, arg);
|
|
if (is_output_full(browser, row))
|
goto out;
|
|
if (folded_sign == '+')
|
goto next;
|
}
|
|
list_for_each_entry(chain, &child->val, list) {
|
bool was_first = first;
|
|
if (first)
|
first = false;
|
else if (need_percent)
|
extra_offset = LEVEL_OFFSET_STEP;
|
|
folded_sign = callchain_list__folded(chain);
|
|
row += hist_browser__show_callchain_list(browser, child,
|
chain, row, total,
|
was_first && need_percent,
|
offset + extra_offset,
|
print, arg);
|
|
if (is_output_full(browser, row))
|
goto out;
|
|
if (folded_sign == '+')
|
break;
|
}
|
|
next:
|
if (is_output_full(browser, row))
|
break;
|
node = next;
|
}
|
out:
|
return row - first_row;
|
}
|
|
static char *hist_browser__folded_callchain_str(struct hist_browser *browser,
|
struct callchain_list *chain,
|
char *value_str, char *old_str)
|
{
|
char bf[1024];
|
const char *str;
|
char *new;
|
|
str = callchain_list__sym_name(chain, bf, sizeof(bf),
|
browser->show_dso);
|
if (old_str) {
|
if (asprintf(&new, "%s%s%s", old_str,
|
symbol_conf.field_sep ?: ";", str) < 0)
|
new = NULL;
|
} else {
|
if (value_str) {
|
if (asprintf(&new, "%s %s", value_str, str) < 0)
|
new = NULL;
|
} else {
|
if (asprintf(&new, "%s", str) < 0)
|
new = NULL;
|
}
|
}
|
return new;
|
}
|
|
static int hist_browser__show_callchain_folded(struct hist_browser *browser,
|
struct rb_root *root,
|
unsigned short row, u64 total,
|
u64 parent_total,
|
print_callchain_entry_fn print,
|
struct callchain_print_arg *arg,
|
check_output_full_fn is_output_full)
|
{
|
struct rb_node *node;
|
int first_row = row, offset = LEVEL_OFFSET_STEP;
|
bool need_percent;
|
|
node = rb_first(root);
|
need_percent = check_percent_display(node, parent_total);
|
|
while (node) {
|
struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node);
|
struct rb_node *next = rb_next(node);
|
struct callchain_list *chain, *first_chain = NULL;
|
int first = true;
|
char *value_str = NULL, *value_str_alloc = NULL;
|
char *chain_str = NULL, *chain_str_alloc = NULL;
|
|
if (arg->row_offset != 0) {
|
arg->row_offset--;
|
goto next;
|
}
|
|
if (need_percent) {
|
char buf[64];
|
|
callchain_node__scnprintf_value(child, buf, sizeof(buf), total);
|
if (asprintf(&value_str, "%s", buf) < 0) {
|
value_str = (char *)"<...>";
|
goto do_print;
|
}
|
value_str_alloc = value_str;
|
}
|
|
list_for_each_entry(chain, &child->parent_val, list) {
|
chain_str = hist_browser__folded_callchain_str(browser,
|
chain, value_str, chain_str);
|
if (first) {
|
first = false;
|
first_chain = chain;
|
}
|
|
if (chain_str == NULL) {
|
chain_str = (char *)"Not enough memory!";
|
goto do_print;
|
}
|
|
chain_str_alloc = chain_str;
|
}
|
|
list_for_each_entry(chain, &child->val, list) {
|
chain_str = hist_browser__folded_callchain_str(browser,
|
chain, value_str, chain_str);
|
if (first) {
|
first = false;
|
first_chain = chain;
|
}
|
|
if (chain_str == NULL) {
|
chain_str = (char *)"Not enough memory!";
|
goto do_print;
|
}
|
|
chain_str_alloc = chain_str;
|
}
|
|
do_print:
|
print(browser, first_chain, chain_str, offset, row++, arg);
|
free(value_str_alloc);
|
free(chain_str_alloc);
|
|
next:
|
if (is_output_full(browser, row))
|
break;
|
node = next;
|
}
|
|
return row - first_row;
|
}
|
|
static int hist_browser__show_callchain_graph(struct hist_browser *browser,
|
struct rb_root *root, int level,
|
unsigned short row, u64 total,
|
u64 parent_total,
|
print_callchain_entry_fn print,
|
struct callchain_print_arg *arg,
|
check_output_full_fn is_output_full)
|
{
|
struct rb_node *node;
|
int first_row = row, offset = level * LEVEL_OFFSET_STEP;
|
bool need_percent;
|
u64 percent_total = total;
|
|
if (callchain_param.mode == CHAIN_GRAPH_REL)
|
percent_total = parent_total;
|
|
node = rb_first(root);
|
need_percent = check_percent_display(node, parent_total);
|
|
while (node) {
|
struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node);
|
struct rb_node *next = rb_next(node);
|
struct callchain_list *chain;
|
char folded_sign = ' ';
|
int first = true;
|
int extra_offset = 0;
|
|
list_for_each_entry(chain, &child->val, list) {
|
bool was_first = first;
|
|
if (first)
|
first = false;
|
else if (need_percent)
|
extra_offset = LEVEL_OFFSET_STEP;
|
|
folded_sign = callchain_list__folded(chain);
|
|
row += hist_browser__show_callchain_list(browser, child,
|
chain, row, percent_total,
|
was_first && need_percent,
|
offset + extra_offset,
|
print, arg);
|
|
if (is_output_full(browser, row))
|
goto out;
|
|
if (folded_sign == '+')
|
break;
|
}
|
|
if (folded_sign == '-') {
|
const int new_level = level + (extra_offset ? 2 : 1);
|
|
row += hist_browser__show_callchain_graph(browser, &child->rb_root,
|
new_level, row, total,
|
child->children_hit,
|
print, arg, is_output_full);
|
}
|
if (is_output_full(browser, row))
|
break;
|
node = next;
|
}
|
out:
|
return row - first_row;
|
}
|
|
static int hist_browser__show_callchain(struct hist_browser *browser,
|
struct hist_entry *entry, int level,
|
unsigned short row,
|
print_callchain_entry_fn print,
|
struct callchain_print_arg *arg,
|
check_output_full_fn is_output_full)
|
{
|
u64 total = hists__total_period(entry->hists);
|
u64 parent_total;
|
int printed;
|
|
if (symbol_conf.cumulate_callchain)
|
parent_total = entry->stat_acc->period;
|
else
|
parent_total = entry->stat.period;
|
|
if (callchain_param.mode == CHAIN_FLAT) {
|
printed = hist_browser__show_callchain_flat(browser,
|
&entry->sorted_chain, row,
|
total, parent_total, print, arg,
|
is_output_full);
|
} else if (callchain_param.mode == CHAIN_FOLDED) {
|
printed = hist_browser__show_callchain_folded(browser,
|
&entry->sorted_chain, row,
|
total, parent_total, print, arg,
|
is_output_full);
|
} else {
|
printed = hist_browser__show_callchain_graph(browser,
|
&entry->sorted_chain, level, row,
|
total, parent_total, print, arg,
|
is_output_full);
|
}
|
|
if (arg->is_current_entry)
|
browser->he_selection = entry;
|
|
return printed;
|
}
|
|
struct hpp_arg {
|
struct ui_browser *b;
|
char folded_sign;
|
bool current_entry;
|
};
|
|
int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...)
|
{
|
struct hpp_arg *arg = hpp->ptr;
|
int ret, len;
|
va_list args;
|
double percent;
|
|
va_start(args, fmt);
|
len = va_arg(args, int);
|
percent = va_arg(args, double);
|
va_end(args);
|
|
ui_browser__set_percent_color(arg->b, percent, arg->current_entry);
|
|
ret = scnprintf(hpp->buf, hpp->size, fmt, len, percent);
|
ui_browser__printf(arg->b, "%s", hpp->buf);
|
|
return ret;
|
}
|
|
#define __HPP_COLOR_PERCENT_FN(_type, _field) \
|
static u64 __hpp_get_##_field(struct hist_entry *he) \
|
{ \
|
return he->stat._field; \
|
} \
|
\
|
static int \
|
hist_browser__hpp_color_##_type(struct perf_hpp_fmt *fmt, \
|
struct perf_hpp *hpp, \
|
struct hist_entry *he) \
|
{ \
|
return hpp__fmt(fmt, hpp, he, __hpp_get_##_field, " %*.2f%%", \
|
__hpp__slsmg_color_printf, true); \
|
}
|
|
#define __HPP_COLOR_ACC_PERCENT_FN(_type, _field) \
|
static u64 __hpp_get_acc_##_field(struct hist_entry *he) \
|
{ \
|
return he->stat_acc->_field; \
|
} \
|
\
|
static int \
|
hist_browser__hpp_color_##_type(struct perf_hpp_fmt *fmt, \
|
struct perf_hpp *hpp, \
|
struct hist_entry *he) \
|
{ \
|
if (!symbol_conf.cumulate_callchain) { \
|
struct hpp_arg *arg = hpp->ptr; \
|
int len = fmt->user_len ?: fmt->len; \
|
int ret = scnprintf(hpp->buf, hpp->size, \
|
"%*s", len, "N/A"); \
|
ui_browser__printf(arg->b, "%s", hpp->buf); \
|
\
|
return ret; \
|
} \
|
return hpp__fmt(fmt, hpp, he, __hpp_get_acc_##_field, \
|
" %*.2f%%", __hpp__slsmg_color_printf, true); \
|
}
|
|
__HPP_COLOR_PERCENT_FN(overhead, period)
|
__HPP_COLOR_PERCENT_FN(overhead_sys, period_sys)
|
__HPP_COLOR_PERCENT_FN(overhead_us, period_us)
|
__HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys)
|
__HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us)
|
__HPP_COLOR_ACC_PERCENT_FN(overhead_acc, period)
|
|
#undef __HPP_COLOR_PERCENT_FN
|
#undef __HPP_COLOR_ACC_PERCENT_FN
|
|
void hist_browser__init_hpp(void)
|
{
|
perf_hpp__format[PERF_HPP__OVERHEAD].color =
|
hist_browser__hpp_color_overhead;
|
perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color =
|
hist_browser__hpp_color_overhead_sys;
|
perf_hpp__format[PERF_HPP__OVERHEAD_US].color =
|
hist_browser__hpp_color_overhead_us;
|
perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color =
|
hist_browser__hpp_color_overhead_guest_sys;
|
perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color =
|
hist_browser__hpp_color_overhead_guest_us;
|
perf_hpp__format[PERF_HPP__OVERHEAD_ACC].color =
|
hist_browser__hpp_color_overhead_acc;
|
}
|
|
static int hist_browser__show_entry(struct hist_browser *browser,
|
struct hist_entry *entry,
|
unsigned short row)
|
{
|
int printed = 0;
|
int width = browser->b.width;
|
char folded_sign = ' ';
|
bool current_entry = ui_browser__is_current_entry(&browser->b, row);
|
bool use_callchain = hist_entry__has_callchains(entry) && symbol_conf.use_callchain;
|
off_t row_offset = entry->row_offset;
|
bool first = true;
|
struct perf_hpp_fmt *fmt;
|
|
if (current_entry) {
|
browser->he_selection = entry;
|
browser->selection = &entry->ms;
|
}
|
|
if (use_callchain) {
|
hist_entry__init_have_children(entry);
|
folded_sign = hist_entry__folded(entry);
|
}
|
|
if (row_offset == 0) {
|
struct hpp_arg arg = {
|
.b = &browser->b,
|
.folded_sign = folded_sign,
|
.current_entry = current_entry,
|
};
|
int column = 0;
|
|
ui_browser__gotorc(&browser->b, row, 0);
|
|
hists__for_each_format(browser->hists, fmt) {
|
char s[2048];
|
struct perf_hpp hpp = {
|
.buf = s,
|
.size = sizeof(s),
|
.ptr = &arg,
|
};
|
|
if (perf_hpp__should_skip(fmt, entry->hists) ||
|
column++ < browser->b.horiz_scroll)
|
continue;
|
|
if (current_entry && browser->b.navkeypressed) {
|
ui_browser__set_color(&browser->b,
|
HE_COLORSET_SELECTED);
|
} else {
|
ui_browser__set_color(&browser->b,
|
HE_COLORSET_NORMAL);
|
}
|
|
if (first) {
|
if (use_callchain) {
|
ui_browser__printf(&browser->b, "%c ", folded_sign);
|
width -= 2;
|
}
|
first = false;
|
} else {
|
ui_browser__printf(&browser->b, " ");
|
width -= 2;
|
}
|
|
if (fmt->color) {
|
int ret = fmt->color(fmt, &hpp, entry);
|
hist_entry__snprintf_alignment(entry, &hpp, fmt, ret);
|
/*
|
* fmt->color() already used ui_browser to
|
* print the non alignment bits, skip it (+ret):
|
*/
|
ui_browser__printf(&browser->b, "%s", s + ret);
|
} else {
|
hist_entry__snprintf_alignment(entry, &hpp, fmt, fmt->entry(fmt, &hpp, entry));
|
ui_browser__printf(&browser->b, "%s", s);
|
}
|
width -= hpp.buf - s;
|
}
|
|
/* The scroll bar isn't being used */
|
if (!browser->b.navkeypressed)
|
width += 1;
|
|
ui_browser__write_nstring(&browser->b, "", width);
|
|
++row;
|
++printed;
|
} else
|
--row_offset;
|
|
if (folded_sign == '-' && row != browser->b.rows) {
|
struct callchain_print_arg arg = {
|
.row_offset = row_offset,
|
.is_current_entry = current_entry,
|
};
|
|
printed += hist_browser__show_callchain(browser,
|
entry, 1, row,
|
hist_browser__show_callchain_entry,
|
&arg,
|
hist_browser__check_output_full);
|
}
|
|
return printed;
|
}
|
|
static int hist_browser__show_hierarchy_entry(struct hist_browser *browser,
|
struct hist_entry *entry,
|
unsigned short row,
|
int level)
|
{
|
int printed = 0;
|
int width = browser->b.width;
|
char folded_sign = ' ';
|
bool current_entry = ui_browser__is_current_entry(&browser->b, row);
|
off_t row_offset = entry->row_offset;
|
bool first = true;
|
struct perf_hpp_fmt *fmt;
|
struct perf_hpp_list_node *fmt_node;
|
struct hpp_arg arg = {
|
.b = &browser->b,
|
.current_entry = current_entry,
|
};
|
int column = 0;
|
int hierarchy_indent = (entry->hists->nr_hpp_node - 2) * HIERARCHY_INDENT;
|
|
if (current_entry) {
|
browser->he_selection = entry;
|
browser->selection = &entry->ms;
|
}
|
|
hist_entry__init_have_children(entry);
|
folded_sign = hist_entry__folded(entry);
|
arg.folded_sign = folded_sign;
|
|
if (entry->leaf && row_offset) {
|
row_offset--;
|
goto show_callchain;
|
}
|
|
ui_browser__gotorc(&browser->b, row, 0);
|
|
if (current_entry && browser->b.navkeypressed)
|
ui_browser__set_color(&browser->b, HE_COLORSET_SELECTED);
|
else
|
ui_browser__set_color(&browser->b, HE_COLORSET_NORMAL);
|
|
ui_browser__write_nstring(&browser->b, "", level * HIERARCHY_INDENT);
|
width -= level * HIERARCHY_INDENT;
|
|
/* the first hpp_list_node is for overhead columns */
|
fmt_node = list_first_entry(&entry->hists->hpp_formats,
|
struct perf_hpp_list_node, list);
|
perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) {
|
char s[2048];
|
struct perf_hpp hpp = {
|
.buf = s,
|
.size = sizeof(s),
|
.ptr = &arg,
|
};
|
|
if (perf_hpp__should_skip(fmt, entry->hists) ||
|
column++ < browser->b.horiz_scroll)
|
continue;
|
|
if (current_entry && browser->b.navkeypressed) {
|
ui_browser__set_color(&browser->b,
|
HE_COLORSET_SELECTED);
|
} else {
|
ui_browser__set_color(&browser->b,
|
HE_COLORSET_NORMAL);
|
}
|
|
if (first) {
|
ui_browser__printf(&browser->b, "%c ", folded_sign);
|
width -= 2;
|
first = false;
|
} else {
|
ui_browser__printf(&browser->b, " ");
|
width -= 2;
|
}
|
|
if (fmt->color) {
|
int ret = fmt->color(fmt, &hpp, entry);
|
hist_entry__snprintf_alignment(entry, &hpp, fmt, ret);
|
/*
|
* fmt->color() already used ui_browser to
|
* print the non alignment bits, skip it (+ret):
|
*/
|
ui_browser__printf(&browser->b, "%s", s + ret);
|
} else {
|
int ret = fmt->entry(fmt, &hpp, entry);
|
hist_entry__snprintf_alignment(entry, &hpp, fmt, ret);
|
ui_browser__printf(&browser->b, "%s", s);
|
}
|
width -= hpp.buf - s;
|
}
|
|
if (!first) {
|
ui_browser__write_nstring(&browser->b, "", hierarchy_indent);
|
width -= hierarchy_indent;
|
}
|
|
if (column >= browser->b.horiz_scroll) {
|
char s[2048];
|
struct perf_hpp hpp = {
|
.buf = s,
|
.size = sizeof(s),
|
.ptr = &arg,
|
};
|
|
if (current_entry && browser->b.navkeypressed) {
|
ui_browser__set_color(&browser->b,
|
HE_COLORSET_SELECTED);
|
} else {
|
ui_browser__set_color(&browser->b,
|
HE_COLORSET_NORMAL);
|
}
|
|
perf_hpp_list__for_each_format(entry->hpp_list, fmt) {
|
if (first) {
|
ui_browser__printf(&browser->b, "%c ", folded_sign);
|
first = false;
|
} else {
|
ui_browser__write_nstring(&browser->b, "", 2);
|
}
|
|
width -= 2;
|
|
/*
|
* No need to call hist_entry__snprintf_alignment()
|
* since this fmt is always the last column in the
|
* hierarchy mode.
|
*/
|
if (fmt->color) {
|
width -= fmt->color(fmt, &hpp, entry);
|
} else {
|
int i = 0;
|
|
width -= fmt->entry(fmt, &hpp, entry);
|
ui_browser__printf(&browser->b, "%s", ltrim(s));
|
|
while (isspace(s[i++]))
|
width++;
|
}
|
}
|
}
|
|
/* The scroll bar isn't being used */
|
if (!browser->b.navkeypressed)
|
width += 1;
|
|
ui_browser__write_nstring(&browser->b, "", width);
|
|
++row;
|
++printed;
|
|
show_callchain:
|
if (entry->leaf && folded_sign == '-' && row != browser->b.rows) {
|
struct callchain_print_arg carg = {
|
.row_offset = row_offset,
|
};
|
|
printed += hist_browser__show_callchain(browser, entry,
|
level + 1, row,
|
hist_browser__show_callchain_entry, &carg,
|
hist_browser__check_output_full);
|
}
|
|
return printed;
|
}
|
|
static int hist_browser__show_no_entry(struct hist_browser *browser,
|
unsigned short row, int level)
|
{
|
int width = browser->b.width;
|
bool current_entry = ui_browser__is_current_entry(&browser->b, row);
|
bool first = true;
|
int column = 0;
|
int ret;
|
struct perf_hpp_fmt *fmt;
|
struct perf_hpp_list_node *fmt_node;
|
int indent = browser->hists->nr_hpp_node - 2;
|
|
if (current_entry) {
|
browser->he_selection = NULL;
|
browser->selection = NULL;
|
}
|
|
ui_browser__gotorc(&browser->b, row, 0);
|
|
if (current_entry && browser->b.navkeypressed)
|
ui_browser__set_color(&browser->b, HE_COLORSET_SELECTED);
|
else
|
ui_browser__set_color(&browser->b, HE_COLORSET_NORMAL);
|
|
ui_browser__write_nstring(&browser->b, "", level * HIERARCHY_INDENT);
|
width -= level * HIERARCHY_INDENT;
|
|
/* the first hpp_list_node is for overhead columns */
|
fmt_node = list_first_entry(&browser->hists->hpp_formats,
|
struct perf_hpp_list_node, list);
|
perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) {
|
if (perf_hpp__should_skip(fmt, browser->hists) ||
|
column++ < browser->b.horiz_scroll)
|
continue;
|
|
ret = fmt->width(fmt, NULL, browser->hists);
|
|
if (first) {
|
/* for folded sign */
|
first = false;
|
ret++;
|
} else {
|
/* space between columns */
|
ret += 2;
|
}
|
|
ui_browser__write_nstring(&browser->b, "", ret);
|
width -= ret;
|
}
|
|
ui_browser__write_nstring(&browser->b, "", indent * HIERARCHY_INDENT);
|
width -= indent * HIERARCHY_INDENT;
|
|
if (column >= browser->b.horiz_scroll) {
|
char buf[32];
|
|
ret = snprintf(buf, sizeof(buf), "no entry >= %.2f%%", browser->min_pcnt);
|
ui_browser__printf(&browser->b, " %s", buf);
|
width -= ret + 2;
|
}
|
|
/* The scroll bar isn't being used */
|
if (!browser->b.navkeypressed)
|
width += 1;
|
|
ui_browser__write_nstring(&browser->b, "", width);
|
return 1;
|
}
|
|
static int advance_hpp_check(struct perf_hpp *hpp, int inc)
|
{
|
advance_hpp(hpp, inc);
|
return hpp->size <= 0;
|
}
|
|
static int
|
hists_browser__scnprintf_headers(struct hist_browser *browser, char *buf,
|
size_t size, int line)
|
{
|
struct hists *hists = browser->hists;
|
struct perf_hpp dummy_hpp = {
|
.buf = buf,
|
.size = size,
|
};
|
struct perf_hpp_fmt *fmt;
|
size_t ret = 0;
|
int column = 0;
|
int span = 0;
|
|
if (hists__has_callchains(hists) && symbol_conf.use_callchain) {
|
ret = scnprintf(buf, size, " ");
|
if (advance_hpp_check(&dummy_hpp, ret))
|
return ret;
|
}
|
|
hists__for_each_format(browser->hists, fmt) {
|
if (perf_hpp__should_skip(fmt, hists) || column++ < browser->b.horiz_scroll)
|
continue;
|
|
ret = fmt->header(fmt, &dummy_hpp, hists, line, &span);
|
if (advance_hpp_check(&dummy_hpp, ret))
|
break;
|
|
if (span)
|
continue;
|
|
ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, " ");
|
if (advance_hpp_check(&dummy_hpp, ret))
|
break;
|
}
|
|
return ret;
|
}
|
|
static int hists_browser__scnprintf_hierarchy_headers(struct hist_browser *browser, char *buf, size_t size)
|
{
|
struct hists *hists = browser->hists;
|
struct perf_hpp dummy_hpp = {
|
.buf = buf,
|
.size = size,
|
};
|
struct perf_hpp_fmt *fmt;
|
struct perf_hpp_list_node *fmt_node;
|
size_t ret = 0;
|
int column = 0;
|
int indent = hists->nr_hpp_node - 2;
|
bool first_node, first_col;
|
|
ret = scnprintf(buf, size, " ");
|
if (advance_hpp_check(&dummy_hpp, ret))
|
return ret;
|
|
first_node = true;
|
/* the first hpp_list_node is for overhead columns */
|
fmt_node = list_first_entry(&hists->hpp_formats,
|
struct perf_hpp_list_node, list);
|
perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) {
|
if (column++ < browser->b.horiz_scroll)
|
continue;
|
|
ret = fmt->header(fmt, &dummy_hpp, hists, 0, NULL);
|
if (advance_hpp_check(&dummy_hpp, ret))
|
break;
|
|
ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, " ");
|
if (advance_hpp_check(&dummy_hpp, ret))
|
break;
|
|
first_node = false;
|
}
|
|
if (!first_node) {
|
ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, "%*s",
|
indent * HIERARCHY_INDENT, "");
|
if (advance_hpp_check(&dummy_hpp, ret))
|
return ret;
|
}
|
|
first_node = true;
|
list_for_each_entry_continue(fmt_node, &hists->hpp_formats, list) {
|
if (!first_node) {
|
ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, " / ");
|
if (advance_hpp_check(&dummy_hpp, ret))
|
break;
|
}
|
first_node = false;
|
|
first_col = true;
|
perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) {
|
char *start;
|
|
if (perf_hpp__should_skip(fmt, hists))
|
continue;
|
|
if (!first_col) {
|
ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, "+");
|
if (advance_hpp_check(&dummy_hpp, ret))
|
break;
|
}
|
first_col = false;
|
|
ret = fmt->header(fmt, &dummy_hpp, hists, 0, NULL);
|
dummy_hpp.buf[ret] = '\0';
|
|
start = trim(dummy_hpp.buf);
|
ret = strlen(start);
|
|
if (start != dummy_hpp.buf)
|
memmove(dummy_hpp.buf, start, ret + 1);
|
|
if (advance_hpp_check(&dummy_hpp, ret))
|
break;
|
}
|
}
|
|
return ret;
|
}
|
|
static void hists_browser__hierarchy_headers(struct hist_browser *browser)
|
{
|
char headers[1024];
|
|
hists_browser__scnprintf_hierarchy_headers(browser, headers,
|
sizeof(headers));
|
|
ui_browser__gotorc(&browser->b, 0, 0);
|
ui_browser__set_color(&browser->b, HE_COLORSET_ROOT);
|
ui_browser__write_nstring(&browser->b, headers, browser->b.width + 1);
|
}
|
|
static void hists_browser__headers(struct hist_browser *browser)
|
{
|
struct hists *hists = browser->hists;
|
struct perf_hpp_list *hpp_list = hists->hpp_list;
|
|
int line;
|
|
for (line = 0; line < hpp_list->nr_header_lines; line++) {
|
char headers[1024];
|
|
hists_browser__scnprintf_headers(browser, headers,
|
sizeof(headers), line);
|
|
ui_browser__gotorc_title(&browser->b, line, 0);
|
ui_browser__set_color(&browser->b, HE_COLORSET_ROOT);
|
ui_browser__write_nstring(&browser->b, headers, browser->b.width + 1);
|
}
|
}
|
|
static void hist_browser__show_headers(struct hist_browser *browser)
|
{
|
if (symbol_conf.report_hierarchy)
|
hists_browser__hierarchy_headers(browser);
|
else
|
hists_browser__headers(browser);
|
}
|
|
static void ui_browser__hists_init_top(struct ui_browser *browser)
|
{
|
if (browser->top == NULL) {
|
struct hist_browser *hb;
|
|
hb = container_of(browser, struct hist_browser, b);
|
browser->top = rb_first(&hb->hists->entries);
|
}
|
}
|
|
static unsigned int hist_browser__refresh(struct ui_browser *browser)
|
{
|
unsigned row = 0;
|
struct rb_node *nd;
|
struct hist_browser *hb = container_of(browser, struct hist_browser, b);
|
|
if (hb->show_headers)
|
hist_browser__show_headers(hb);
|
|
ui_browser__hists_init_top(browser);
|
hb->he_selection = NULL;
|
hb->selection = NULL;
|
|
for (nd = browser->top; nd; nd = rb_hierarchy_next(nd)) {
|
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
|
float percent;
|
|
if (h->filtered) {
|
/* let it move to sibling */
|
h->unfolded = false;
|
continue;
|
}
|
|
percent = hist_entry__get_percent_limit(h);
|
if (percent < hb->min_pcnt)
|
continue;
|
|
if (symbol_conf.report_hierarchy) {
|
row += hist_browser__show_hierarchy_entry(hb, h, row,
|
h->depth);
|
if (row == browser->rows)
|
break;
|
|
if (h->has_no_entry) {
|
hist_browser__show_no_entry(hb, row, h->depth + 1);
|
row++;
|
}
|
} else {
|
row += hist_browser__show_entry(hb, h, row);
|
}
|
|
if (row == browser->rows)
|
break;
|
}
|
|
return row;
|
}
|
|
static struct rb_node *hists__filter_entries(struct rb_node *nd,
|
float min_pcnt)
|
{
|
while (nd != NULL) {
|
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
|
float percent = hist_entry__get_percent_limit(h);
|
|
if (!h->filtered && percent >= min_pcnt)
|
return nd;
|
|
/*
|
* If it's filtered, its all children also were filtered.
|
* So move to sibling node.
|
*/
|
if (rb_next(nd))
|
nd = rb_next(nd);
|
else
|
nd = rb_hierarchy_next(nd);
|
}
|
|
return NULL;
|
}
|
|
static struct rb_node *hists__filter_prev_entries(struct rb_node *nd,
|
float min_pcnt)
|
{
|
while (nd != NULL) {
|
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
|
float percent = hist_entry__get_percent_limit(h);
|
|
if (!h->filtered && percent >= min_pcnt)
|
return nd;
|
|
nd = rb_hierarchy_prev(nd);
|
}
|
|
return NULL;
|
}
|
|
static void ui_browser__hists_seek(struct ui_browser *browser,
|
off_t offset, int whence)
|
{
|
struct hist_entry *h;
|
struct rb_node *nd;
|
bool first = true;
|
struct hist_browser *hb;
|
|
hb = container_of(browser, struct hist_browser, b);
|
|
if (browser->nr_entries == 0)
|
return;
|
|
ui_browser__hists_init_top(browser);
|
|
switch (whence) {
|
case SEEK_SET:
|
nd = hists__filter_entries(rb_first(browser->entries),
|
hb->min_pcnt);
|
break;
|
case SEEK_CUR:
|
nd = browser->top;
|
goto do_offset;
|
case SEEK_END:
|
nd = rb_hierarchy_last(rb_last(browser->entries));
|
nd = hists__filter_prev_entries(nd, hb->min_pcnt);
|
first = false;
|
break;
|
default:
|
return;
|
}
|
|
/*
|
* Moves not relative to the first visible entry invalidates its
|
* row_offset:
|
*/
|
h = rb_entry(browser->top, struct hist_entry, rb_node);
|
h->row_offset = 0;
|
|
/*
|
* Here we have to check if nd is expanded (+), if it is we can't go
|
* the next top level hist_entry, instead we must compute an offset of
|
* what _not_ to show and not change the first visible entry.
|
*
|
* This offset increments when we are going from top to bottom and
|
* decreases when we're going from bottom to top.
|
*
|
* As we don't have backpointers to the top level in the callchains
|
* structure, we need to always print the whole hist_entry callchain,
|
* skipping the first ones that are before the first visible entry
|
* and stop when we printed enough lines to fill the screen.
|
*/
|
do_offset:
|
if (!nd)
|
return;
|
|
if (offset > 0) {
|
do {
|
h = rb_entry(nd, struct hist_entry, rb_node);
|
if (h->unfolded && h->leaf) {
|
u16 remaining = h->nr_rows - h->row_offset;
|
if (offset > remaining) {
|
offset -= remaining;
|
h->row_offset = 0;
|
} else {
|
h->row_offset += offset;
|
offset = 0;
|
browser->top = nd;
|
break;
|
}
|
}
|
nd = hists__filter_entries(rb_hierarchy_next(nd),
|
hb->min_pcnt);
|
if (nd == NULL)
|
break;
|
--offset;
|
browser->top = nd;
|
} while (offset != 0);
|
} else if (offset < 0) {
|
while (1) {
|
h = rb_entry(nd, struct hist_entry, rb_node);
|
if (h->unfolded && h->leaf) {
|
if (first) {
|
if (-offset > h->row_offset) {
|
offset += h->row_offset;
|
h->row_offset = 0;
|
} else {
|
h->row_offset += offset;
|
offset = 0;
|
browser->top = nd;
|
break;
|
}
|
} else {
|
if (-offset > h->nr_rows) {
|
offset += h->nr_rows;
|
h->row_offset = 0;
|
} else {
|
h->row_offset = h->nr_rows + offset;
|
offset = 0;
|
browser->top = nd;
|
break;
|
}
|
}
|
}
|
|
nd = hists__filter_prev_entries(rb_hierarchy_prev(nd),
|
hb->min_pcnt);
|
if (nd == NULL)
|
break;
|
++offset;
|
browser->top = nd;
|
if (offset == 0) {
|
/*
|
* Last unfiltered hist_entry, check if it is
|
* unfolded, if it is then we should have
|
* row_offset at its last entry.
|
*/
|
h = rb_entry(nd, struct hist_entry, rb_node);
|
if (h->unfolded && h->leaf)
|
h->row_offset = h->nr_rows;
|
break;
|
}
|
first = false;
|
}
|
} else {
|
browser->top = nd;
|
h = rb_entry(nd, struct hist_entry, rb_node);
|
h->row_offset = 0;
|
}
|
}
|
|
static int hist_browser__fprintf_callchain(struct hist_browser *browser,
|
struct hist_entry *he, FILE *fp,
|
int level)
|
{
|
struct callchain_print_arg arg = {
|
.fp = fp,
|
};
|
|
hist_browser__show_callchain(browser, he, level, 0,
|
hist_browser__fprintf_callchain_entry, &arg,
|
hist_browser__check_dump_full);
|
return arg.printed;
|
}
|
|
static int hist_browser__fprintf_entry(struct hist_browser *browser,
|
struct hist_entry *he, FILE *fp)
|
{
|
char s[8192];
|
int printed = 0;
|
char folded_sign = ' ';
|
struct perf_hpp hpp = {
|
.buf = s,
|
.size = sizeof(s),
|
};
|
struct perf_hpp_fmt *fmt;
|
bool first = true;
|
int ret;
|
|
if (hist_entry__has_callchains(he) && symbol_conf.use_callchain) {
|
folded_sign = hist_entry__folded(he);
|
printed += fprintf(fp, "%c ", folded_sign);
|
}
|
|
hists__for_each_format(browser->hists, fmt) {
|
if (perf_hpp__should_skip(fmt, he->hists))
|
continue;
|
|
if (!first) {
|
ret = scnprintf(hpp.buf, hpp.size, " ");
|
advance_hpp(&hpp, ret);
|
} else
|
first = false;
|
|
ret = fmt->entry(fmt, &hpp, he);
|
ret = hist_entry__snprintf_alignment(he, &hpp, fmt, ret);
|
advance_hpp(&hpp, ret);
|
}
|
printed += fprintf(fp, "%s\n", s);
|
|
if (folded_sign == '-')
|
printed += hist_browser__fprintf_callchain(browser, he, fp, 1);
|
|
return printed;
|
}
|
|
|
static int hist_browser__fprintf_hierarchy_entry(struct hist_browser *browser,
|
struct hist_entry *he,
|
FILE *fp, int level)
|
{
|
char s[8192];
|
int printed = 0;
|
char folded_sign = ' ';
|
struct perf_hpp hpp = {
|
.buf = s,
|
.size = sizeof(s),
|
};
|
struct perf_hpp_fmt *fmt;
|
struct perf_hpp_list_node *fmt_node;
|
bool first = true;
|
int ret;
|
int hierarchy_indent = (he->hists->nr_hpp_node - 2) * HIERARCHY_INDENT;
|
|
printed = fprintf(fp, "%*s", level * HIERARCHY_INDENT, "");
|
|
folded_sign = hist_entry__folded(he);
|
printed += fprintf(fp, "%c", folded_sign);
|
|
/* the first hpp_list_node is for overhead columns */
|
fmt_node = list_first_entry(&he->hists->hpp_formats,
|
struct perf_hpp_list_node, list);
|
perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) {
|
if (!first) {
|
ret = scnprintf(hpp.buf, hpp.size, " ");
|
advance_hpp(&hpp, ret);
|
} else
|
first = false;
|
|
ret = fmt->entry(fmt, &hpp, he);
|
advance_hpp(&hpp, ret);
|
}
|
|
ret = scnprintf(hpp.buf, hpp.size, "%*s", hierarchy_indent, "");
|
advance_hpp(&hpp, ret);
|
|
perf_hpp_list__for_each_format(he->hpp_list, fmt) {
|
ret = scnprintf(hpp.buf, hpp.size, " ");
|
advance_hpp(&hpp, ret);
|
|
ret = fmt->entry(fmt, &hpp, he);
|
advance_hpp(&hpp, ret);
|
}
|
|
printed += fprintf(fp, "%s\n", rtrim(s));
|
|
if (he->leaf && folded_sign == '-') {
|
printed += hist_browser__fprintf_callchain(browser, he, fp,
|
he->depth + 1);
|
}
|
|
return printed;
|
}
|
|
static int hist_browser__fprintf(struct hist_browser *browser, FILE *fp)
|
{
|
struct rb_node *nd = hists__filter_entries(rb_first(browser->b.entries),
|
browser->min_pcnt);
|
int printed = 0;
|
|
while (nd) {
|
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
|
|
if (symbol_conf.report_hierarchy) {
|
printed += hist_browser__fprintf_hierarchy_entry(browser,
|
h, fp,
|
h->depth);
|
} else {
|
printed += hist_browser__fprintf_entry(browser, h, fp);
|
}
|
|
nd = hists__filter_entries(rb_hierarchy_next(nd),
|
browser->min_pcnt);
|
}
|
|
return printed;
|
}
|
|
static int hist_browser__dump(struct hist_browser *browser)
|
{
|
char filename[64];
|
FILE *fp;
|
|
while (1) {
|
scnprintf(filename, sizeof(filename), "perf.hist.%d", browser->print_seq);
|
if (access(filename, F_OK))
|
break;
|
/*
|
* XXX: Just an arbitrary lazy upper limit
|
*/
|
if (++browser->print_seq == 8192) {
|
ui_helpline__fpush("Too many perf.hist.N files, nothing written!");
|
return -1;
|
}
|
}
|
|
fp = fopen(filename, "w");
|
if (fp == NULL) {
|
char bf[64];
|
const char *err = str_error_r(errno, bf, sizeof(bf));
|
ui_helpline__fpush("Couldn't write to %s: %s", filename, err);
|
return -1;
|
}
|
|
++browser->print_seq;
|
hist_browser__fprintf(browser, fp);
|
fclose(fp);
|
ui_helpline__fpush("%s written!", filename);
|
|
return 0;
|
}
|
|
void hist_browser__init(struct hist_browser *browser,
|
struct hists *hists)
|
{
|
struct perf_hpp_fmt *fmt;
|
|
browser->hists = hists;
|
browser->b.refresh = hist_browser__refresh;
|
browser->b.refresh_dimensions = hist_browser__refresh_dimensions;
|
browser->b.seek = ui_browser__hists_seek;
|
browser->b.use_navkeypressed = true;
|
browser->show_headers = symbol_conf.show_hist_headers;
|
hist_browser__set_title_space(browser);
|
|
if (symbol_conf.report_hierarchy) {
|
struct perf_hpp_list_node *fmt_node;
|
|
/* count overhead columns (in the first node) */
|
fmt_node = list_first_entry(&hists->hpp_formats,
|
struct perf_hpp_list_node, list);
|
perf_hpp_list__for_each_format(&fmt_node->hpp, fmt)
|
++browser->b.columns;
|
|
/* add a single column for whole hierarchy sort keys*/
|
++browser->b.columns;
|
} else {
|
hists__for_each_format(hists, fmt)
|
++browser->b.columns;
|
}
|
|
hists__reset_column_width(hists);
|
}
|
|
struct hist_browser *hist_browser__new(struct hists *hists)
|
{
|
struct hist_browser *browser = zalloc(sizeof(*browser));
|
|
if (browser)
|
hist_browser__init(browser, hists);
|
|
return browser;
|
}
|
|
static struct hist_browser *
|
perf_evsel_browser__new(struct perf_evsel *evsel,
|
struct hist_browser_timer *hbt,
|
struct perf_env *env,
|
struct annotation_options *annotation_opts)
|
{
|
struct hist_browser *browser = hist_browser__new(evsel__hists(evsel));
|
|
if (browser) {
|
browser->hbt = hbt;
|
browser->env = env;
|
browser->title = hists_browser__scnprintf_title;
|
browser->annotation_opts = annotation_opts;
|
}
|
return browser;
|
}
|
|
void hist_browser__delete(struct hist_browser *browser)
|
{
|
free(browser);
|
}
|
|
static struct hist_entry *hist_browser__selected_entry(struct hist_browser *browser)
|
{
|
return browser->he_selection;
|
}
|
|
static struct thread *hist_browser__selected_thread(struct hist_browser *browser)
|
{
|
return browser->he_selection->thread;
|
}
|
|
/* Check whether the browser is for 'top' or 'report' */
|
static inline bool is_report_browser(void *timer)
|
{
|
return timer == NULL;
|
}
|
|
static int hists_browser__scnprintf_title(struct hist_browser *browser, char *bf, size_t size)
|
{
|
struct hist_browser_timer *hbt = browser->hbt;
|
int printed = __hists__scnprintf_title(browser->hists, bf, size, !is_report_browser(hbt));
|
|
if (!is_report_browser(hbt)) {
|
struct perf_top *top = hbt->arg;
|
|
if (top->zero)
|
printed += scnprintf(bf + printed, size - printed, " [z]");
|
}
|
|
return printed;
|
}
|
|
static inline void free_popup_options(char **options, int n)
|
{
|
int i;
|
|
for (i = 0; i < n; ++i)
|
zfree(&options[i]);
|
}
|
|
/*
|
* Only runtime switching of perf data file will make "input_name" point
|
* to a malloced buffer. So add "is_input_name_malloced" flag to decide
|
* whether we need to call free() for current "input_name" during the switch.
|
*/
|
static bool is_input_name_malloced = false;
|
|
static int switch_data_file(void)
|
{
|
char *pwd, *options[32], *abs_path[32], *tmp;
|
DIR *pwd_dir;
|
int nr_options = 0, choice = -1, ret = -1;
|
struct dirent *dent;
|
|
pwd = getenv("PWD");
|
if (!pwd)
|
return ret;
|
|
pwd_dir = opendir(pwd);
|
if (!pwd_dir)
|
return ret;
|
|
memset(options, 0, sizeof(options));
|
memset(abs_path, 0, sizeof(abs_path));
|
|
while ((dent = readdir(pwd_dir))) {
|
char path[PATH_MAX];
|
u64 magic;
|
char *name = dent->d_name;
|
FILE *file;
|
|
if (!(dent->d_type == DT_REG))
|
continue;
|
|
snprintf(path, sizeof(path), "%s/%s", pwd, name);
|
|
file = fopen(path, "r");
|
if (!file)
|
continue;
|
|
if (fread(&magic, 1, 8, file) < 8)
|
goto close_file_and_continue;
|
|
if (is_perf_magic(magic)) {
|
options[nr_options] = strdup(name);
|
if (!options[nr_options])
|
goto close_file_and_continue;
|
|
abs_path[nr_options] = strdup(path);
|
if (!abs_path[nr_options]) {
|
zfree(&options[nr_options]);
|
ui__warning("Can't search all data files due to memory shortage.\n");
|
fclose(file);
|
break;
|
}
|
|
nr_options++;
|
}
|
|
close_file_and_continue:
|
fclose(file);
|
if (nr_options >= 32) {
|
ui__warning("Too many perf data files in PWD!\n"
|
"Only the first 32 files will be listed.\n");
|
break;
|
}
|
}
|
closedir(pwd_dir);
|
|
if (nr_options) {
|
choice = ui__popup_menu(nr_options, options);
|
if (choice < nr_options && choice >= 0) {
|
tmp = strdup(abs_path[choice]);
|
if (tmp) {
|
if (is_input_name_malloced)
|
free((void *)input_name);
|
input_name = tmp;
|
is_input_name_malloced = true;
|
ret = 0;
|
} else
|
ui__warning("Data switch failed due to memory shortage!\n");
|
}
|
}
|
|
free_popup_options(options, nr_options);
|
free_popup_options(abs_path, nr_options);
|
return ret;
|
}
|
|
struct popup_action {
|
struct thread *thread;
|
struct map_symbol ms;
|
int socket;
|
|
int (*fn)(struct hist_browser *browser, struct popup_action *act);
|
};
|
|
static int
|
do_annotate(struct hist_browser *browser, struct popup_action *act)
|
{
|
struct perf_evsel *evsel;
|
struct annotation *notes;
|
struct hist_entry *he;
|
int err;
|
|
if (!browser->annotation_opts->objdump_path &&
|
perf_env__lookup_objdump(browser->env, &browser->annotation_opts->objdump_path))
|
return 0;
|
|
notes = symbol__annotation(act->ms.sym);
|
if (!notes->src)
|
return 0;
|
|
evsel = hists_to_evsel(browser->hists);
|
err = map_symbol__tui_annotate(&act->ms, evsel, browser->hbt,
|
browser->annotation_opts);
|
he = hist_browser__selected_entry(browser);
|
/*
|
* offer option to annotate the other branch source or target
|
* (if they exists) when returning from annotate
|
*/
|
if ((err == 'q' || err == CTRL('c')) && he->branch_info)
|
return 1;
|
|
ui_browser__update_nr_entries(&browser->b, browser->hists->nr_entries);
|
if (err)
|
ui_browser__handle_resize(&browser->b);
|
return 0;
|
}
|
|
static int
|
add_annotate_opt(struct hist_browser *browser __maybe_unused,
|
struct popup_action *act, char **optstr,
|
struct map *map, struct symbol *sym)
|
{
|
if (sym == NULL || map->dso->annotate_warned)
|
return 0;
|
|
if (asprintf(optstr, "Annotate %s", sym->name) < 0)
|
return 0;
|
|
act->ms.map = map;
|
act->ms.sym = sym;
|
act->fn = do_annotate;
|
return 1;
|
}
|
|
static int
|
do_zoom_thread(struct hist_browser *browser, struct popup_action *act)
|
{
|
struct thread *thread = act->thread;
|
|
if ((!hists__has(browser->hists, thread) &&
|
!hists__has(browser->hists, comm)) || thread == NULL)
|
return 0;
|
|
if (browser->hists->thread_filter) {
|
pstack__remove(browser->pstack, &browser->hists->thread_filter);
|
perf_hpp__set_elide(HISTC_THREAD, false);
|
thread__zput(browser->hists->thread_filter);
|
ui_helpline__pop();
|
} else {
|
if (hists__has(browser->hists, thread)) {
|
ui_helpline__fpush("To zoom out press ESC or ENTER + \"Zoom out of %s(%d) thread\"",
|
thread->comm_set ? thread__comm_str(thread) : "",
|
thread->tid);
|
} else {
|
ui_helpline__fpush("To zoom out press ESC or ENTER + \"Zoom out of %s thread\"",
|
thread->comm_set ? thread__comm_str(thread) : "");
|
}
|
|
browser->hists->thread_filter = thread__get(thread);
|
perf_hpp__set_elide(HISTC_THREAD, false);
|
pstack__push(browser->pstack, &browser->hists->thread_filter);
|
}
|
|
hists__filter_by_thread(browser->hists);
|
hist_browser__reset(browser);
|
return 0;
|
}
|
|
static int
|
add_thread_opt(struct hist_browser *browser, struct popup_action *act,
|
char **optstr, struct thread *thread)
|
{
|
int ret;
|
|
if ((!hists__has(browser->hists, thread) &&
|
!hists__has(browser->hists, comm)) || thread == NULL)
|
return 0;
|
|
if (hists__has(browser->hists, thread)) {
|
ret = asprintf(optstr, "Zoom %s %s(%d) thread",
|
browser->hists->thread_filter ? "out of" : "into",
|
thread->comm_set ? thread__comm_str(thread) : "",
|
thread->tid);
|
} else {
|
ret = asprintf(optstr, "Zoom %s %s thread",
|
browser->hists->thread_filter ? "out of" : "into",
|
thread->comm_set ? thread__comm_str(thread) : "");
|
}
|
if (ret < 0)
|
return 0;
|
|
act->thread = thread;
|
act->fn = do_zoom_thread;
|
return 1;
|
}
|
|
static int
|
do_zoom_dso(struct hist_browser *browser, struct popup_action *act)
|
{
|
struct map *map = act->ms.map;
|
|
if (!hists__has(browser->hists, dso) || map == NULL)
|
return 0;
|
|
if (browser->hists->dso_filter) {
|
pstack__remove(browser->pstack, &browser->hists->dso_filter);
|
perf_hpp__set_elide(HISTC_DSO, false);
|
browser->hists->dso_filter = NULL;
|
ui_helpline__pop();
|
} else {
|
ui_helpline__fpush("To zoom out press ESC or ENTER + \"Zoom out of %s DSO\"",
|
__map__is_kernel(map) ? "the Kernel" : map->dso->short_name);
|
browser->hists->dso_filter = map->dso;
|
perf_hpp__set_elide(HISTC_DSO, true);
|
pstack__push(browser->pstack, &browser->hists->dso_filter);
|
}
|
|
hists__filter_by_dso(browser->hists);
|
hist_browser__reset(browser);
|
return 0;
|
}
|
|
static int
|
add_dso_opt(struct hist_browser *browser, struct popup_action *act,
|
char **optstr, struct map *map)
|
{
|
if (!hists__has(browser->hists, dso) || map == NULL)
|
return 0;
|
|
if (asprintf(optstr, "Zoom %s %s DSO",
|
browser->hists->dso_filter ? "out of" : "into",
|
__map__is_kernel(map) ? "the Kernel" : map->dso->short_name) < 0)
|
return 0;
|
|
act->ms.map = map;
|
act->fn = do_zoom_dso;
|
return 1;
|
}
|
|
static int
|
do_browse_map(struct hist_browser *browser __maybe_unused,
|
struct popup_action *act)
|
{
|
map__browse(act->ms.map);
|
return 0;
|
}
|
|
static int
|
add_map_opt(struct hist_browser *browser,
|
struct popup_action *act, char **optstr, struct map *map)
|
{
|
if (!hists__has(browser->hists, dso) || map == NULL)
|
return 0;
|
|
if (asprintf(optstr, "Browse map details") < 0)
|
return 0;
|
|
act->ms.map = map;
|
act->fn = do_browse_map;
|
return 1;
|
}
|
|
static int
|
do_run_script(struct hist_browser *browser __maybe_unused,
|
struct popup_action *act)
|
{
|
char script_opt[64];
|
memset(script_opt, 0, sizeof(script_opt));
|
|
if (act->thread) {
|
scnprintf(script_opt, sizeof(script_opt), " -c %s ",
|
thread__comm_str(act->thread));
|
} else if (act->ms.sym) {
|
scnprintf(script_opt, sizeof(script_opt), " -S %s ",
|
act->ms.sym->name);
|
}
|
|
script_browse(script_opt);
|
return 0;
|
}
|
|
static int
|
add_script_opt(struct hist_browser *browser __maybe_unused,
|
struct popup_action *act, char **optstr,
|
struct thread *thread, struct symbol *sym)
|
{
|
if (thread) {
|
if (asprintf(optstr, "Run scripts for samples of thread [%s]",
|
thread__comm_str(thread)) < 0)
|
return 0;
|
} else if (sym) {
|
if (asprintf(optstr, "Run scripts for samples of symbol [%s]",
|
sym->name) < 0)
|
return 0;
|
} else {
|
if (asprintf(optstr, "Run scripts for all samples") < 0)
|
return 0;
|
}
|
|
act->thread = thread;
|
act->ms.sym = sym;
|
act->fn = do_run_script;
|
return 1;
|
}
|
|
static int
|
do_switch_data(struct hist_browser *browser __maybe_unused,
|
struct popup_action *act __maybe_unused)
|
{
|
if (switch_data_file()) {
|
ui__warning("Won't switch the data files due to\n"
|
"no valid data file get selected!\n");
|
return 0;
|
}
|
|
return K_SWITCH_INPUT_DATA;
|
}
|
|
static int
|
add_switch_opt(struct hist_browser *browser,
|
struct popup_action *act, char **optstr)
|
{
|
if (!is_report_browser(browser->hbt))
|
return 0;
|
|
if (asprintf(optstr, "Switch to another data file in PWD") < 0)
|
return 0;
|
|
act->fn = do_switch_data;
|
return 1;
|
}
|
|
static int
|
do_exit_browser(struct hist_browser *browser __maybe_unused,
|
struct popup_action *act __maybe_unused)
|
{
|
return 0;
|
}
|
|
static int
|
add_exit_opt(struct hist_browser *browser __maybe_unused,
|
struct popup_action *act, char **optstr)
|
{
|
if (asprintf(optstr, "Exit") < 0)
|
return 0;
|
|
act->fn = do_exit_browser;
|
return 1;
|
}
|
|
static int
|
do_zoom_socket(struct hist_browser *browser, struct popup_action *act)
|
{
|
if (!hists__has(browser->hists, socket) || act->socket < 0)
|
return 0;
|
|
if (browser->hists->socket_filter > -1) {
|
pstack__remove(browser->pstack, &browser->hists->socket_filter);
|
browser->hists->socket_filter = -1;
|
perf_hpp__set_elide(HISTC_SOCKET, false);
|
} else {
|
browser->hists->socket_filter = act->socket;
|
perf_hpp__set_elide(HISTC_SOCKET, true);
|
pstack__push(browser->pstack, &browser->hists->socket_filter);
|
}
|
|
hists__filter_by_socket(browser->hists);
|
hist_browser__reset(browser);
|
return 0;
|
}
|
|
static int
|
add_socket_opt(struct hist_browser *browser, struct popup_action *act,
|
char **optstr, int socket_id)
|
{
|
if (!hists__has(browser->hists, socket) || socket_id < 0)
|
return 0;
|
|
if (asprintf(optstr, "Zoom %s Processor Socket %d",
|
(browser->hists->socket_filter > -1) ? "out of" : "into",
|
socket_id) < 0)
|
return 0;
|
|
act->socket = socket_id;
|
act->fn = do_zoom_socket;
|
return 1;
|
}
|
|
static void hist_browser__update_nr_entries(struct hist_browser *hb)
|
{
|
u64 nr_entries = 0;
|
struct rb_node *nd = rb_first(&hb->hists->entries);
|
|
if (hb->min_pcnt == 0 && !symbol_conf.report_hierarchy) {
|
hb->nr_non_filtered_entries = hb->hists->nr_non_filtered_entries;
|
return;
|
}
|
|
while ((nd = hists__filter_entries(nd, hb->min_pcnt)) != NULL) {
|
nr_entries++;
|
nd = rb_hierarchy_next(nd);
|
}
|
|
hb->nr_non_filtered_entries = nr_entries;
|
hb->nr_hierarchy_entries = nr_entries;
|
}
|
|
static void hist_browser__update_percent_limit(struct hist_browser *hb,
|
double percent)
|
{
|
struct hist_entry *he;
|
struct rb_node *nd = rb_first(&hb->hists->entries);
|
u64 total = hists__total_period(hb->hists);
|
u64 min_callchain_hits = total * (percent / 100);
|
|
hb->min_pcnt = callchain_param.min_percent = percent;
|
|
while ((nd = hists__filter_entries(nd, hb->min_pcnt)) != NULL) {
|
he = rb_entry(nd, struct hist_entry, rb_node);
|
|
if (he->has_no_entry) {
|
he->has_no_entry = false;
|
he->nr_rows = 0;
|
}
|
|
if (!he->leaf || !hist_entry__has_callchains(he) || !symbol_conf.use_callchain)
|
goto next;
|
|
if (callchain_param.mode == CHAIN_GRAPH_REL) {
|
total = he->stat.period;
|
|
if (symbol_conf.cumulate_callchain)
|
total = he->stat_acc->period;
|
|
min_callchain_hits = total * (percent / 100);
|
}
|
|
callchain_param.sort(&he->sorted_chain, he->callchain,
|
min_callchain_hits, &callchain_param);
|
|
next:
|
nd = __rb_hierarchy_next(nd, HMD_FORCE_CHILD);
|
|
/* force to re-evaluate folding state of callchains */
|
he->init_have_children = false;
|
hist_entry__set_folding(he, hb, false);
|
}
|
}
|
|
static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
|
const char *helpline,
|
bool left_exits,
|
struct hist_browser_timer *hbt,
|
float min_pcnt,
|
struct perf_env *env,
|
bool warn_lost_event,
|
struct annotation_options *annotation_opts)
|
{
|
struct hists *hists = evsel__hists(evsel);
|
struct hist_browser *browser = perf_evsel_browser__new(evsel, hbt, env, annotation_opts);
|
struct branch_info *bi = NULL;
|
#define MAX_OPTIONS 16
|
char *options[MAX_OPTIONS];
|
struct popup_action actions[MAX_OPTIONS];
|
int nr_options = 0;
|
int key = -1;
|
char buf[64];
|
int delay_secs = hbt ? hbt->refresh : 0;
|
|
#define HIST_BROWSER_HELP_COMMON \
|
"h/?/F1 Show this window\n" \
|
"UP/DOWN/PGUP\n" \
|
"PGDN/SPACE Navigate\n" \
|
"q/ESC/CTRL+C Exit browser or go back to previous screen\n\n" \
|
"For multiple event sessions:\n\n" \
|
"TAB/UNTAB Switch events\n\n" \
|
"For symbolic views (--sort has sym):\n\n" \
|
"ENTER Zoom into DSO/Threads & Annotate current symbol\n" \
|
"ESC Zoom out\n" \
|
"a Annotate current symbol\n" \
|
"C Collapse all callchains\n" \
|
"d Zoom into current DSO\n" \
|
"E Expand all callchains\n" \
|
"F Toggle percentage of filtered entries\n" \
|
"H Display column headers\n" \
|
"L Change percent limit\n" \
|
"m Display context menu\n" \
|
"S Zoom into current Processor Socket\n" \
|
|
/* help messages are sorted by lexical order of the hotkey */
|
const char report_help[] = HIST_BROWSER_HELP_COMMON
|
"i Show header information\n"
|
"P Print histograms to perf.hist.N\n"
|
"r Run available scripts\n"
|
"s Switch to another data file in PWD\n"
|
"t Zoom into current Thread\n"
|
"V Verbose (DSO names in callchains, etc)\n"
|
"/ Filter symbol by name";
|
const char top_help[] = HIST_BROWSER_HELP_COMMON
|
"P Print histograms to perf.hist.N\n"
|
"t Zoom into current Thread\n"
|
"V Verbose (DSO names in callchains, etc)\n"
|
"z Toggle zeroing of samples\n"
|
"f Enable/Disable events\n"
|
"/ Filter symbol by name";
|
|
if (browser == NULL)
|
return -1;
|
|
/* reset abort key so that it can get Ctrl-C as a key */
|
SLang_reset_tty();
|
SLang_init_tty(0, 0, 0);
|
|
if (min_pcnt)
|
browser->min_pcnt = min_pcnt;
|
hist_browser__update_nr_entries(browser);
|
|
browser->pstack = pstack__new(3);
|
if (browser->pstack == NULL)
|
goto out;
|
|
ui_helpline__push(helpline);
|
|
memset(options, 0, sizeof(options));
|
memset(actions, 0, sizeof(actions));
|
|
if (symbol_conf.col_width_list_str)
|
perf_hpp__set_user_width(symbol_conf.col_width_list_str);
|
|
while (1) {
|
struct thread *thread = NULL;
|
struct map *map = NULL;
|
int choice = 0;
|
int socked_id = -1;
|
|
nr_options = 0;
|
|
key = hist_browser__run(browser, helpline,
|
warn_lost_event);
|
|
if (browser->he_selection != NULL) {
|
thread = hist_browser__selected_thread(browser);
|
map = browser->selection->map;
|
socked_id = browser->he_selection->socket;
|
}
|
switch (key) {
|
case K_TAB:
|
case K_UNTAB:
|
if (nr_events == 1)
|
continue;
|
/*
|
* Exit the browser, let hists__browser_tree
|
* go to the next or previous
|
*/
|
goto out_free_stack;
|
case 'a':
|
if (!hists__has(hists, sym)) {
|
ui_browser__warning(&browser->b, delay_secs * 2,
|
"Annotation is only available for symbolic views, "
|
"include \"sym*\" in --sort to use it.");
|
continue;
|
}
|
|
if (browser->selection == NULL ||
|
browser->selection->sym == NULL ||
|
browser->selection->map->dso->annotate_warned)
|
continue;
|
|
actions->ms.map = browser->selection->map;
|
actions->ms.sym = browser->selection->sym;
|
do_annotate(browser, actions);
|
continue;
|
case 'P':
|
hist_browser__dump(browser);
|
continue;
|
case 'd':
|
actions->ms.map = map;
|
do_zoom_dso(browser, actions);
|
continue;
|
case 'V':
|
verbose = (verbose + 1) % 4;
|
browser->show_dso = verbose > 0;
|
ui_helpline__fpush("Verbosity level set to %d\n",
|
verbose);
|
continue;
|
case 't':
|
actions->thread = thread;
|
do_zoom_thread(browser, actions);
|
continue;
|
case 'S':
|
actions->socket = socked_id;
|
do_zoom_socket(browser, actions);
|
continue;
|
case '/':
|
if (ui_browser__input_window("Symbol to show",
|
"Please enter the name of symbol you want to see.\n"
|
"To remove the filter later, press / + ENTER.",
|
buf, "ENTER: OK, ESC: Cancel",
|
delay_secs * 2) == K_ENTER) {
|
hists->symbol_filter_str = *buf ? buf : NULL;
|
hists__filter_by_symbol(hists);
|
hist_browser__reset(browser);
|
}
|
continue;
|
case 'r':
|
if (is_report_browser(hbt)) {
|
actions->thread = NULL;
|
actions->ms.sym = NULL;
|
do_run_script(browser, actions);
|
}
|
continue;
|
case 's':
|
if (is_report_browser(hbt)) {
|
key = do_switch_data(browser, actions);
|
if (key == K_SWITCH_INPUT_DATA)
|
goto out_free_stack;
|
}
|
continue;
|
case 'i':
|
/* env->arch is NULL for live-mode (i.e. perf top) */
|
if (env->arch)
|
tui__header_window(env);
|
continue;
|
case 'F':
|
symbol_conf.filter_relative ^= 1;
|
continue;
|
case 'z':
|
if (!is_report_browser(hbt)) {
|
struct perf_top *top = hbt->arg;
|
|
top->zero = !top->zero;
|
}
|
continue;
|
case 'L':
|
if (ui_browser__input_window("Percent Limit",
|
"Please enter the value you want to hide entries under that percent.",
|
buf, "ENTER: OK, ESC: Cancel",
|
delay_secs * 2) == K_ENTER) {
|
char *end;
|
double new_percent = strtod(buf, &end);
|
|
if (new_percent < 0 || new_percent > 100) {
|
ui_browser__warning(&browser->b, delay_secs * 2,
|
"Invalid percent: %.2f", new_percent);
|
continue;
|
}
|
|
hist_browser__update_percent_limit(browser, new_percent);
|
hist_browser__reset(browser);
|
}
|
continue;
|
case K_F1:
|
case 'h':
|
case '?':
|
ui_browser__help_window(&browser->b,
|
is_report_browser(hbt) ? report_help : top_help);
|
continue;
|
case K_ENTER:
|
case K_RIGHT:
|
case 'm':
|
/* menu */
|
break;
|
case K_ESC:
|
case K_LEFT: {
|
const void *top;
|
|
if (pstack__empty(browser->pstack)) {
|
/*
|
* Go back to the perf_evsel_menu__run or other user
|
*/
|
if (left_exits)
|
goto out_free_stack;
|
|
if (key == K_ESC &&
|
ui_browser__dialog_yesno(&browser->b,
|
"Do you really want to exit?"))
|
goto out_free_stack;
|
|
continue;
|
}
|
actions->ms.map = map;
|
top = pstack__peek(browser->pstack);
|
if (top == &browser->hists->dso_filter) {
|
/*
|
* No need to set actions->dso here since
|
* it's just to remove the current filter.
|
* Ditto for thread below.
|
*/
|
do_zoom_dso(browser, actions);
|
} else if (top == &browser->hists->thread_filter) {
|
do_zoom_thread(browser, actions);
|
} else if (top == &browser->hists->socket_filter) {
|
do_zoom_socket(browser, actions);
|
}
|
continue;
|
}
|
case 'q':
|
case CTRL('c'):
|
goto out_free_stack;
|
case 'f':
|
if (!is_report_browser(hbt)) {
|
struct perf_top *top = hbt->arg;
|
|
perf_evlist__toggle_enable(top->evlist);
|
/*
|
* No need to refresh, resort/decay histogram
|
* entries if we are not collecting samples:
|
*/
|
if (top->evlist->enabled) {
|
helpline = "Press 'f' to disable the events or 'h' to see other hotkeys";
|
hbt->refresh = delay_secs;
|
} else {
|
helpline = "Press 'f' again to re-enable the events";
|
hbt->refresh = 0;
|
}
|
continue;
|
}
|
/* Fall thru */
|
default:
|
helpline = "Press '?' for help on key bindings";
|
continue;
|
}
|
|
if (!hists__has(hists, sym) || browser->selection == NULL)
|
goto skip_annotation;
|
|
if (sort__mode == SORT_MODE__BRANCH) {
|
|
if (browser->he_selection)
|
bi = browser->he_selection->branch_info;
|
|
if (bi == NULL)
|
goto skip_annotation;
|
|
nr_options += add_annotate_opt(browser,
|
&actions[nr_options],
|
&options[nr_options],
|
bi->from.map,
|
bi->from.sym);
|
if (bi->to.sym != bi->from.sym)
|
nr_options += add_annotate_opt(browser,
|
&actions[nr_options],
|
&options[nr_options],
|
bi->to.map,
|
bi->to.sym);
|
} else {
|
nr_options += add_annotate_opt(browser,
|
&actions[nr_options],
|
&options[nr_options],
|
browser->selection->map,
|
browser->selection->sym);
|
}
|
skip_annotation:
|
nr_options += add_thread_opt(browser, &actions[nr_options],
|
&options[nr_options], thread);
|
nr_options += add_dso_opt(browser, &actions[nr_options],
|
&options[nr_options], map);
|
nr_options += add_map_opt(browser, &actions[nr_options],
|
&options[nr_options],
|
browser->selection ?
|
browser->selection->map : NULL);
|
nr_options += add_socket_opt(browser, &actions[nr_options],
|
&options[nr_options],
|
socked_id);
|
/* perf script support */
|
if (!is_report_browser(hbt))
|
goto skip_scripting;
|
|
if (browser->he_selection) {
|
if (hists__has(hists, thread) && thread) {
|
nr_options += add_script_opt(browser,
|
&actions[nr_options],
|
&options[nr_options],
|
thread, NULL);
|
}
|
/*
|
* Note that browser->selection != NULL
|
* when browser->he_selection is not NULL,
|
* so we don't need to check browser->selection
|
* before fetching browser->selection->sym like what
|
* we do before fetching browser->selection->map.
|
*
|
* See hist_browser__show_entry.
|
*/
|
if (hists__has(hists, sym) && browser->selection->sym) {
|
nr_options += add_script_opt(browser,
|
&actions[nr_options],
|
&options[nr_options],
|
NULL, browser->selection->sym);
|
}
|
}
|
nr_options += add_script_opt(browser, &actions[nr_options],
|
&options[nr_options], NULL, NULL);
|
nr_options += add_switch_opt(browser, &actions[nr_options],
|
&options[nr_options]);
|
skip_scripting:
|
nr_options += add_exit_opt(browser, &actions[nr_options],
|
&options[nr_options]);
|
|
do {
|
struct popup_action *act;
|
|
choice = ui__popup_menu(nr_options, options);
|
if (choice == -1 || choice >= nr_options)
|
break;
|
|
act = &actions[choice];
|
key = act->fn(browser, act);
|
} while (key == 1);
|
|
if (key == K_SWITCH_INPUT_DATA)
|
break;
|
}
|
out_free_stack:
|
pstack__delete(browser->pstack);
|
out:
|
hist_browser__delete(browser);
|
free_popup_options(options, MAX_OPTIONS);
|
return key;
|
}
|
|
struct perf_evsel_menu {
|
struct ui_browser b;
|
struct perf_evsel *selection;
|
struct annotation_options *annotation_opts;
|
bool lost_events, lost_events_warned;
|
float min_pcnt;
|
struct perf_env *env;
|
};
|
|
static void perf_evsel_menu__write(struct ui_browser *browser,
|
void *entry, int row)
|
{
|
struct perf_evsel_menu *menu = container_of(browser,
|
struct perf_evsel_menu, b);
|
struct perf_evsel *evsel = list_entry(entry, struct perf_evsel, node);
|
struct hists *hists = evsel__hists(evsel);
|
bool current_entry = ui_browser__is_current_entry(browser, row);
|
unsigned long nr_events = hists->stats.nr_events[PERF_RECORD_SAMPLE];
|
const char *ev_name = perf_evsel__name(evsel);
|
char bf[256], unit;
|
const char *warn = " ";
|
size_t printed;
|
|
ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED :
|
HE_COLORSET_NORMAL);
|
|
if (perf_evsel__is_group_event(evsel)) {
|
struct perf_evsel *pos;
|
|
ev_name = perf_evsel__group_name(evsel);
|
|
for_each_group_member(pos, evsel) {
|
struct hists *pos_hists = evsel__hists(pos);
|
nr_events += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
|
}
|
}
|
|
nr_events = convert_unit(nr_events, &unit);
|
printed = scnprintf(bf, sizeof(bf), "%lu%c%s%s", nr_events,
|
unit, unit == ' ' ? "" : " ", ev_name);
|
ui_browser__printf(browser, "%s", bf);
|
|
nr_events = hists->stats.nr_events[PERF_RECORD_LOST];
|
if (nr_events != 0) {
|
menu->lost_events = true;
|
if (!current_entry)
|
ui_browser__set_color(browser, HE_COLORSET_TOP);
|
nr_events = convert_unit(nr_events, &unit);
|
printed += scnprintf(bf, sizeof(bf), ": %ld%c%schunks LOST!",
|
nr_events, unit, unit == ' ' ? "" : " ");
|
warn = bf;
|
}
|
|
ui_browser__write_nstring(browser, warn, browser->width - printed);
|
|
if (current_entry)
|
menu->selection = evsel;
|
}
|
|
static int perf_evsel_menu__run(struct perf_evsel_menu *menu,
|
int nr_events, const char *help,
|
struct hist_browser_timer *hbt,
|
bool warn_lost_event)
|
{
|
struct perf_evlist *evlist = menu->b.priv;
|
struct perf_evsel *pos;
|
const char *title = "Available samples";
|
int delay_secs = hbt ? hbt->refresh : 0;
|
int key;
|
|
if (ui_browser__show(&menu->b, title,
|
"ESC: exit, ENTER|->: Browse histograms") < 0)
|
return -1;
|
|
while (1) {
|
key = ui_browser__run(&menu->b, delay_secs);
|
|
switch (key) {
|
case K_TIMER:
|
if (hbt)
|
hbt->timer(hbt->arg);
|
|
if (!menu->lost_events_warned &&
|
menu->lost_events &&
|
warn_lost_event) {
|
ui_browser__warn_lost_events(&menu->b);
|
menu->lost_events_warned = true;
|
}
|
continue;
|
case K_RIGHT:
|
case K_ENTER:
|
if (!menu->selection)
|
continue;
|
pos = menu->selection;
|
browse_hists:
|
perf_evlist__set_selected(evlist, pos);
|
/*
|
* Give the calling tool a chance to populate the non
|
* default evsel resorted hists tree.
|
*/
|
if (hbt)
|
hbt->timer(hbt->arg);
|
key = perf_evsel__hists_browse(pos, nr_events, help,
|
true, hbt,
|
menu->min_pcnt,
|
menu->env,
|
warn_lost_event,
|
menu->annotation_opts);
|
ui_browser__show_title(&menu->b, title);
|
switch (key) {
|
case K_TAB:
|
if (pos->node.next == &evlist->entries)
|
pos = perf_evlist__first(evlist);
|
else
|
pos = perf_evsel__next(pos);
|
goto browse_hists;
|
case K_UNTAB:
|
if (pos->node.prev == &evlist->entries)
|
pos = perf_evlist__last(evlist);
|
else
|
pos = perf_evsel__prev(pos);
|
goto browse_hists;
|
case K_SWITCH_INPUT_DATA:
|
case 'q':
|
case CTRL('c'):
|
goto out;
|
case K_ESC:
|
default:
|
continue;
|
}
|
case K_LEFT:
|
continue;
|
case K_ESC:
|
if (!ui_browser__dialog_yesno(&menu->b,
|
"Do you really want to exit?"))
|
continue;
|
/* Fall thru */
|
case 'q':
|
case CTRL('c'):
|
goto out;
|
default:
|
continue;
|
}
|
}
|
|
out:
|
ui_browser__hide(&menu->b);
|
return key;
|
}
|
|
static bool filter_group_entries(struct ui_browser *browser __maybe_unused,
|
void *entry)
|
{
|
struct perf_evsel *evsel = list_entry(entry, struct perf_evsel, node);
|
|
if (symbol_conf.event_group && !perf_evsel__is_group_leader(evsel))
|
return true;
|
|
return false;
|
}
|
|
static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist,
|
int nr_entries, const char *help,
|
struct hist_browser_timer *hbt,
|
float min_pcnt,
|
struct perf_env *env,
|
bool warn_lost_event,
|
struct annotation_options *annotation_opts)
|
{
|
struct perf_evsel *pos;
|
struct perf_evsel_menu menu = {
|
.b = {
|
.entries = &evlist->entries,
|
.refresh = ui_browser__list_head_refresh,
|
.seek = ui_browser__list_head_seek,
|
.write = perf_evsel_menu__write,
|
.filter = filter_group_entries,
|
.nr_entries = nr_entries,
|
.priv = evlist,
|
},
|
.min_pcnt = min_pcnt,
|
.env = env,
|
.annotation_opts = annotation_opts,
|
};
|
|
ui_helpline__push("Press ESC to exit");
|
|
evlist__for_each_entry(evlist, pos) {
|
const char *ev_name = perf_evsel__name(pos);
|
size_t line_len = strlen(ev_name) + 7;
|
|
if (menu.b.width < line_len)
|
menu.b.width = line_len;
|
}
|
|
return perf_evsel_menu__run(&menu, nr_entries, help,
|
hbt, warn_lost_event);
|
}
|
|
int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
|
struct hist_browser_timer *hbt,
|
float min_pcnt,
|
struct perf_env *env,
|
bool warn_lost_event,
|
struct annotation_options *annotation_opts)
|
{
|
int nr_entries = evlist->nr_entries;
|
|
single_entry:
|
if (nr_entries == 1) {
|
struct perf_evsel *first = perf_evlist__first(evlist);
|
|
return perf_evsel__hists_browse(first, nr_entries, help,
|
false, hbt, min_pcnt,
|
env, warn_lost_event,
|
annotation_opts);
|
}
|
|
if (symbol_conf.event_group) {
|
struct perf_evsel *pos;
|
|
nr_entries = 0;
|
evlist__for_each_entry(evlist, pos) {
|
if (perf_evsel__is_group_leader(pos))
|
nr_entries++;
|
}
|
|
if (nr_entries == 1)
|
goto single_entry;
|
}
|
|
return __perf_evlist__tui_browse_hists(evlist, nr_entries, help,
|
hbt, min_pcnt, env,
|
warn_lost_event,
|
annotation_opts);
|
}
|
