From e636c8d336489bf3eed5878299e6cc045bbad077 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:17:29 +0000
Subject: [PATCH] debug lk
---
kernel/tools/perf/ui/hist.c | 125 ++++++++++++++++++++++++++++++++---------
1 files changed, 96 insertions(+), 29 deletions(-)
diff --git a/kernel/tools/perf/ui/hist.c b/kernel/tools/perf/ui/hist.c
index 4afb63c..5075ece 100644
--- a/kernel/tools/perf/ui/hist.c
+++ b/kernel/tools/perf/ui/hist.c
@@ -1,13 +1,17 @@
// SPDX-License-Identifier: GPL-2.0
#include <inttypes.h>
#include <math.h>
+#include <stdlib.h>
+#include <string.h>
#include <linux/compiler.h>
+#include "../util/callchain.h"
+#include "../util/debug.h"
#include "../util/hist.h"
-#include "../util/util.h"
#include "../util/sort.h"
#include "../util/evsel.h"
#include "../util/evlist.h"
+#include "../perf.h"
/* hist period print (hpp) functions */
@@ -24,7 +28,7 @@
{
int ret;
struct hists *hists = he->hists;
- struct perf_evsel *evsel = hists_to_evsel(hists);
+ struct evsel *evsel = hists_to_evsel(hists);
char *buf = hpp->buf;
size_t size = hpp->size;
@@ -39,12 +43,12 @@
} else
ret = hpp__call_print_fn(hpp, print_fn, fmt, len, get_field(he));
- if (perf_evsel__is_group_event(evsel)) {
+ if (evsel__is_group_event(evsel)) {
int prev_idx, idx_delta;
struct hist_entry *pair;
- int nr_members = evsel->nr_members;
+ int nr_members = evsel->core.nr_members;
- prev_idx = perf_evsel__group_idx(evsel);
+ prev_idx = evsel__group_idx(evsel);
list_for_each_entry(pair, &he->pairs.head, pairs.node) {
u64 period = get_field(pair);
@@ -54,7 +58,7 @@
continue;
evsel = hists_to_evsel(pair->hists);
- idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
+ idx_delta = evsel__group_idx(evsel) - prev_idx - 1;
while (idx_delta--) {
/*
@@ -78,7 +82,7 @@
len, period);
}
- prev_idx = perf_evsel__group_idx(evsel);
+ prev_idx = evsel__group_idx(evsel);
}
idx_delta = nr_members - prev_idx - 1;
@@ -147,39 +151,102 @@
return 0;
}
+static int hist_entry__new_pair(struct hist_entry *a, struct hist_entry *b,
+ hpp_field_fn get_field, int nr_members,
+ u64 **fields_a, u64 **fields_b)
+{
+ u64 *fa = calloc(nr_members, sizeof(*fa)),
+ *fb = calloc(nr_members, sizeof(*fb));
+ struct hist_entry *pair;
+
+ if (!fa || !fb)
+ goto out_free;
+
+ list_for_each_entry(pair, &a->pairs.head, pairs.node) {
+ struct evsel *evsel = hists_to_evsel(pair->hists);
+ fa[evsel__group_idx(evsel)] = get_field(pair);
+ }
+
+ list_for_each_entry(pair, &b->pairs.head, pairs.node) {
+ struct evsel *evsel = hists_to_evsel(pair->hists);
+ fb[evsel__group_idx(evsel)] = get_field(pair);
+ }
+
+ *fields_a = fa;
+ *fields_b = fb;
+ return 0;
+out_free:
+ free(fa);
+ free(fb);
+ *fields_a = *fields_b = NULL;
+ return -1;
+}
+
+static int __hpp__group_sort_idx(struct hist_entry *a, struct hist_entry *b,
+ hpp_field_fn get_field, int idx)
+{
+ struct evsel *evsel = hists_to_evsel(a->hists);
+ u64 *fields_a, *fields_b;
+ int cmp, nr_members, ret, i;
+
+ cmp = field_cmp(get_field(a), get_field(b));
+ if (!evsel__is_group_event(evsel))
+ return cmp;
+
+ nr_members = evsel->core.nr_members;
+ if (idx < 1 || idx >= nr_members)
+ return cmp;
+
+ ret = hist_entry__new_pair(a, b, get_field, nr_members, &fields_a, &fields_b);
+ if (ret) {
+ ret = cmp;
+ goto out;
+ }
+
+ ret = field_cmp(fields_a[idx], fields_b[idx]);
+ if (ret)
+ goto out;
+
+ for (i = 1; i < nr_members; i++) {
+ if (i != idx) {
+ ret = field_cmp(fields_a[i], fields_b[i]);
+ if (ret)
+ goto out;
+ }
+ }
+
+out:
+ free(fields_a);
+ free(fields_b);
+
+ return ret;
+}
+
static int __hpp__sort(struct hist_entry *a, struct hist_entry *b,
hpp_field_fn get_field)
{
s64 ret;
int i, nr_members;
- struct perf_evsel *evsel;
- struct hist_entry *pair;
+ struct evsel *evsel;
u64 *fields_a, *fields_b;
+
+ if (symbol_conf.group_sort_idx && symbol_conf.event_group) {
+ return __hpp__group_sort_idx(a, b, get_field,
+ symbol_conf.group_sort_idx);
+ }
ret = field_cmp(get_field(a), get_field(b));
if (ret || !symbol_conf.event_group)
return ret;
evsel = hists_to_evsel(a->hists);
- if (!perf_evsel__is_group_event(evsel))
+ if (!evsel__is_group_event(evsel))
return ret;
- nr_members = evsel->nr_members;
- fields_a = calloc(nr_members, sizeof(*fields_a));
- fields_b = calloc(nr_members, sizeof(*fields_b));
-
- if (!fields_a || !fields_b)
+ nr_members = evsel->core.nr_members;
+ i = hist_entry__new_pair(a, b, get_field, nr_members, &fields_a, &fields_b);
+ if (i)
goto out;
-
- list_for_each_entry(pair, &a->pairs.head, pairs.node) {
- evsel = hists_to_evsel(pair->hists);
- fields_a[perf_evsel__group_idx(evsel)] = get_field(pair);
- }
-
- list_for_each_entry(pair, &b->pairs.head, pairs.node) {
- evsel = hists_to_evsel(pair->hists);
- fields_b[perf_evsel__group_idx(evsel)] = get_field(pair);
- }
for (i = 1; i < nr_members; i++) {
ret = field_cmp(fields_a[i], fields_b[i]);
@@ -222,10 +289,10 @@
struct hists *hists)
{
int len = fmt->user_len ?: fmt->len;
- struct perf_evsel *evsel = hists_to_evsel(hists);
+ struct evsel *evsel = hists_to_evsel(hists);
if (symbol_conf.event_group)
- len = max(len, evsel->nr_members * fmt->len);
+ len = max(len, evsel->core.nr_members * fmt->len);
if (len < (int)strlen(fmt->name))
len = strlen(fmt->name);
@@ -794,9 +861,9 @@
}
int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
- struct perf_evlist *evlist)
+ struct evlist *evlist)
{
- struct perf_evsel *evsel;
+ struct evsel *evsel;
struct perf_hpp_fmt *fmt;
struct hists *hists;
int ret;
--
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