From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/tools/perf/util/evsel.c | 1767 +++++++++++++++++++++++++---------------------------------
1 files changed, 776 insertions(+), 991 deletions(-)
diff --git a/kernel/tools/perf/util/evsel.c b/kernel/tools/perf/util/evsel.c
index 11a2aa8..1a1cbd1 100644
--- a/kernel/tools/perf/util/evsel.c
+++ b/kernel/tools/perf/util/evsel.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
*
* Parts came from builtin-{top,stat,record}.c, see those files for further
* copyright notes.
- *
- * Released under the GPL v2. (and only v2, not any later version)
*/
#include <byteswap.h>
@@ -18,57 +17,68 @@
#include <linux/perf_event.h>
#include <linux/compiler.h>
#include <linux/err.h>
+#include <linux/zalloc.h>
#include <sys/ioctl.h>
#include <sys/resource.h>
#include <sys/types.h>
#include <dirent.h>
+#include <stdlib.h>
+#include <perf/evsel.h>
#include "asm/bug.h"
#include "callchain.h"
#include "cgroup.h"
+#include "counts.h"
#include "event.h"
#include "evsel.h"
+#include "util/env.h"
+#include "util/evsel_config.h"
+#include "util/evsel_fprintf.h"
#include "evlist.h"
-#include "util.h"
-#include "cpumap.h"
+#include <perf/cpumap.h>
#include "thread_map.h"
#include "target.h"
#include "perf_regs.h"
+#include "record.h"
#include "debug.h"
#include "trace-event.h"
#include "stat.h"
+#include "string2.h"
#include "memswap.h"
+#include "util.h"
+#include "../perf-sys.h"
#include "util/parse-branch-options.h"
+#include <internal/xyarray.h>
+#include <internal/lib.h>
-#include "sane_ctype.h"
+#include <linux/ctype.h>
struct perf_missing_features perf_missing_features;
static clockid_t clockid;
-static int perf_evsel__no_extra_init(struct perf_evsel *evsel __maybe_unused)
+static int evsel__no_extra_init(struct evsel *evsel __maybe_unused)
{
return 0;
}
void __weak test_attr__ready(void) { }
-static void perf_evsel__no_extra_fini(struct perf_evsel *evsel __maybe_unused)
+static void evsel__no_extra_fini(struct evsel *evsel __maybe_unused)
{
}
static struct {
size_t size;
- int (*init)(struct perf_evsel *evsel);
- void (*fini)(struct perf_evsel *evsel);
+ int (*init)(struct evsel *evsel);
+ void (*fini)(struct evsel *evsel);
} perf_evsel__object = {
- .size = sizeof(struct perf_evsel),
- .init = perf_evsel__no_extra_init,
- .fini = perf_evsel__no_extra_fini,
+ .size = sizeof(struct evsel),
+ .init = evsel__no_extra_init,
+ .fini = evsel__no_extra_fini,
};
-int perf_evsel__object_config(size_t object_size,
- int (*init)(struct perf_evsel *evsel),
- void (*fini)(struct perf_evsel *evsel))
+int evsel__object_config(size_t object_size, int (*init)(struct evsel *evsel),
+ void (*fini)(struct evsel *evsel))
{
if (object_size == 0)
@@ -89,9 +99,9 @@
return 0;
}
-#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
+#define FD(e, x, y) (*(int *)xyarray__entry(e->core.fd, x, y))
-int __perf_evsel__sample_size(u64 sample_type)
+int __evsel__sample_size(u64 sample_type)
{
u64 mask = sample_type & PERF_SAMPLE_MASK;
int size = 0;
@@ -113,7 +123,7 @@
*
* This function returns the position of the event id (PERF_SAMPLE_ID or
* PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of struct
- * sample_event.
+ * perf_record_sample.
*/
static int __perf_evsel__calc_id_pos(u64 sample_type)
{
@@ -167,53 +177,53 @@
return idx;
}
-void perf_evsel__calc_id_pos(struct perf_evsel *evsel)
+void evsel__calc_id_pos(struct evsel *evsel)
{
- evsel->id_pos = __perf_evsel__calc_id_pos(evsel->attr.sample_type);
- evsel->is_pos = __perf_evsel__calc_is_pos(evsel->attr.sample_type);
+ evsel->id_pos = __perf_evsel__calc_id_pos(evsel->core.attr.sample_type);
+ evsel->is_pos = __perf_evsel__calc_is_pos(evsel->core.attr.sample_type);
}
-void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
+void __evsel__set_sample_bit(struct evsel *evsel,
enum perf_event_sample_format bit)
{
- if (!(evsel->attr.sample_type & bit)) {
- evsel->attr.sample_type |= bit;
+ if (!(evsel->core.attr.sample_type & bit)) {
+ evsel->core.attr.sample_type |= bit;
evsel->sample_size += sizeof(u64);
- perf_evsel__calc_id_pos(evsel);
+ evsel__calc_id_pos(evsel);
}
}
-void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
+void __evsel__reset_sample_bit(struct evsel *evsel,
enum perf_event_sample_format bit)
{
- if (evsel->attr.sample_type & bit) {
- evsel->attr.sample_type &= ~bit;
+ if (evsel->core.attr.sample_type & bit) {
+ evsel->core.attr.sample_type &= ~bit;
evsel->sample_size -= sizeof(u64);
- perf_evsel__calc_id_pos(evsel);
+ evsel__calc_id_pos(evsel);
}
}
-void perf_evsel__set_sample_id(struct perf_evsel *evsel,
+void evsel__set_sample_id(struct evsel *evsel,
bool can_sample_identifier)
{
if (can_sample_identifier) {
- perf_evsel__reset_sample_bit(evsel, ID);
- perf_evsel__set_sample_bit(evsel, IDENTIFIER);
+ evsel__reset_sample_bit(evsel, ID);
+ evsel__set_sample_bit(evsel, IDENTIFIER);
} else {
- perf_evsel__set_sample_bit(evsel, ID);
+ evsel__set_sample_bit(evsel, ID);
}
- evsel->attr.read_format |= PERF_FORMAT_ID;
+ evsel->core.attr.read_format |= PERF_FORMAT_ID;
}
/**
- * perf_evsel__is_function_event - Return whether given evsel is a function
+ * evsel__is_function_event - Return whether given evsel is a function
* trace event
*
* @evsel - evsel selector to be tested
*
* Return %true if event is function trace event
*/
-bool perf_evsel__is_function_event(struct perf_evsel *evsel)
+bool evsel__is_function_event(struct evsel *evsel)
{
#define FUNCTION_EVENT "ftrace:function"
@@ -223,45 +233,47 @@
#undef FUNCTION_EVENT
}
-void perf_evsel__init(struct perf_evsel *evsel,
- struct perf_event_attr *attr, int idx)
+void evsel__init(struct evsel *evsel,
+ struct perf_event_attr *attr, int idx)
{
+ perf_evsel__init(&evsel->core, attr);
evsel->idx = idx;
evsel->tracking = !idx;
- evsel->attr = *attr;
evsel->leader = evsel;
evsel->unit = "";
evsel->scale = 1.0;
+ evsel->max_events = ULONG_MAX;
evsel->evlist = NULL;
+ evsel->bpf_obj = NULL;
evsel->bpf_fd = -1;
- INIT_LIST_HEAD(&evsel->node);
INIT_LIST_HEAD(&evsel->config_terms);
perf_evsel__object.init(evsel);
- evsel->sample_size = __perf_evsel__sample_size(attr->sample_type);
- perf_evsel__calc_id_pos(evsel);
+ evsel->sample_size = __evsel__sample_size(attr->sample_type);
+ evsel__calc_id_pos(evsel);
evsel->cmdline_group_boundary = false;
evsel->metric_expr = NULL;
evsel->metric_name = NULL;
evsel->metric_events = NULL;
+ evsel->per_pkg_mask = NULL;
evsel->collect_stat = false;
evsel->pmu_name = NULL;
}
-struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx)
+struct evsel *evsel__new_idx(struct perf_event_attr *attr, int idx)
{
- struct perf_evsel *evsel = zalloc(perf_evsel__object.size);
+ struct evsel *evsel = zalloc(perf_evsel__object.size);
if (!evsel)
return NULL;
- perf_evsel__init(evsel, attr, idx);
+ evsel__init(evsel, attr, idx);
- if (perf_evsel__is_bpf_output(evsel)) {
- evsel->attr.sample_type |= (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME |
+ if (evsel__is_bpf_output(evsel)) {
+ evsel->core.attr.sample_type |= (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME |
PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD),
- evsel->attr.sample_period = 1;
+ evsel->core.attr.sample_period = 1;
}
- if (perf_evsel__is_clock(evsel)) {
+ if (evsel__is_clock(evsel)) {
/*
* The evsel->unit points to static alias->unit
* so it's ok to use static string in here.
@@ -277,40 +289,33 @@
static bool perf_event_can_profile_kernel(void)
{
- return geteuid() == 0 || perf_event_paranoid() == -1;
+ return perf_event_paranoid_check(1);
}
-struct perf_evsel *perf_evsel__new_cycles(bool precise)
+struct evsel *evsel__new_cycles(bool precise)
{
struct perf_event_attr attr = {
.type = PERF_TYPE_HARDWARE,
.config = PERF_COUNT_HW_CPU_CYCLES,
.exclude_kernel = !perf_event_can_profile_kernel(),
};
- struct perf_evsel *evsel;
+ struct evsel *evsel;
event_attr_init(&attr);
if (!precise)
goto new_event;
- /*
- * Unnamed union member, not supported as struct member named
- * initializer in older compilers such as gcc 4.4.7
- *
- * Just for probing the precise_ip:
- */
- attr.sample_period = 1;
- perf_event_attr__set_max_precise_ip(&attr);
/*
* Now let the usual logic to set up the perf_event_attr defaults
* to kick in when we return and before perf_evsel__open() is called.
*/
- attr.sample_period = 0;
new_event:
- evsel = perf_evsel__new(&attr);
+ evsel = evsel__new(&attr);
if (evsel == NULL)
goto out;
+
+ evsel->precise_max = true;
/* use asprintf() because free(evsel) assumes name is allocated */
if (asprintf(&evsel->name, "cycles%s%s%.*s",
@@ -321,17 +326,121 @@
out:
return evsel;
error_free:
- perf_evsel__delete(evsel);
+ evsel__delete(evsel);
evsel = NULL;
goto out;
+}
+
+static int evsel__copy_config_terms(struct evsel *dst, struct evsel *src)
+{
+ struct evsel_config_term *pos, *tmp;
+
+ list_for_each_entry(pos, &src->config_terms, list) {
+ tmp = malloc(sizeof(*tmp));
+ if (tmp == NULL)
+ return -ENOMEM;
+
+ *tmp = *pos;
+ if (tmp->free_str) {
+ tmp->val.str = strdup(pos->val.str);
+ if (tmp->val.str == NULL) {
+ free(tmp);
+ return -ENOMEM;
+ }
+ }
+ list_add_tail(&tmp->list, &dst->config_terms);
+ }
+ return 0;
+}
+
+/**
+ * evsel__clone - create a new evsel copied from @orig
+ * @orig: original evsel
+ *
+ * The assumption is that @orig is not configured nor opened yet.
+ * So we only care about the attributes that can be set while it's parsed.
+ */
+struct evsel *evsel__clone(struct evsel *orig)
+{
+ struct evsel *evsel;
+
+ BUG_ON(orig->core.fd);
+ BUG_ON(orig->counts);
+ BUG_ON(orig->priv);
+ BUG_ON(orig->per_pkg_mask);
+
+ /* cannot handle BPF objects for now */
+ if (orig->bpf_obj)
+ return NULL;
+
+ evsel = evsel__new(&orig->core.attr);
+ if (evsel == NULL)
+ return NULL;
+
+ evsel->core.cpus = perf_cpu_map__get(orig->core.cpus);
+ evsel->core.own_cpus = perf_cpu_map__get(orig->core.own_cpus);
+ evsel->core.threads = perf_thread_map__get(orig->core.threads);
+ evsel->core.nr_members = orig->core.nr_members;
+ evsel->core.system_wide = orig->core.system_wide;
+
+ if (orig->name) {
+ evsel->name = strdup(orig->name);
+ if (evsel->name == NULL)
+ goto out_err;
+ }
+ if (orig->group_name) {
+ evsel->group_name = strdup(orig->group_name);
+ if (evsel->group_name == NULL)
+ goto out_err;
+ }
+ if (orig->pmu_name) {
+ evsel->pmu_name = strdup(orig->pmu_name);
+ if (evsel->pmu_name == NULL)
+ goto out_err;
+ }
+ if (orig->filter) {
+ evsel->filter = strdup(orig->filter);
+ if (evsel->filter == NULL)
+ goto out_err;
+ }
+ evsel->cgrp = cgroup__get(orig->cgrp);
+ evsel->tp_format = orig->tp_format;
+ evsel->handler = orig->handler;
+ evsel->leader = orig->leader;
+
+ evsel->max_events = orig->max_events;
+ evsel->tool_event = orig->tool_event;
+ evsel->unit = orig->unit;
+ evsel->scale = orig->scale;
+ evsel->snapshot = orig->snapshot;
+ evsel->per_pkg = orig->per_pkg;
+ evsel->percore = orig->percore;
+ evsel->precise_max = orig->precise_max;
+ evsel->use_uncore_alias = orig->use_uncore_alias;
+ evsel->is_libpfm_event = orig->is_libpfm_event;
+
+ evsel->exclude_GH = orig->exclude_GH;
+ evsel->sample_read = orig->sample_read;
+ evsel->auto_merge_stats = orig->auto_merge_stats;
+ evsel->collect_stat = orig->collect_stat;
+ evsel->weak_group = orig->weak_group;
+
+ if (evsel__copy_config_terms(evsel, orig) < 0)
+ goto out_err;
+
+ return evsel;
+
+out_err:
+ evsel__delete(evsel);
+ return NULL;
}
/*
* Returns pointer with encoded error via <linux/err.h> interface.
*/
-struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx)
+struct evsel *evsel__newtp_idx(const char *sys, const char *name, int idx)
{
- struct perf_evsel *evsel = zalloc(perf_evsel__object.size);
+ struct evsel *evsel = zalloc(perf_evsel__object.size);
int err = -ENOMEM;
if (evsel == NULL) {
@@ -355,7 +464,7 @@
event_attr_init(&attr);
attr.config = evsel->tp_format->id;
attr.sample_period = 1;
- perf_evsel__init(evsel, &attr, idx);
+ evsel__init(evsel, &attr, idx);
}
return evsel;
@@ -367,7 +476,7 @@
return ERR_PTR(err);
}
-const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX] = {
+const char *evsel__hw_names[PERF_COUNT_HW_MAX] = {
"cycles",
"instructions",
"cache-references",
@@ -380,18 +489,18 @@
"ref-cycles",
};
-static const char *__perf_evsel__hw_name(u64 config)
+static const char *__evsel__hw_name(u64 config)
{
- if (config < PERF_COUNT_HW_MAX && perf_evsel__hw_names[config])
- return perf_evsel__hw_names[config];
+ if (config < PERF_COUNT_HW_MAX && evsel__hw_names[config])
+ return evsel__hw_names[config];
return "unknown-hardware";
}
-static int perf_evsel__add_modifiers(struct perf_evsel *evsel, char *bf, size_t size)
+static int perf_evsel__add_modifiers(struct evsel *evsel, char *bf, size_t size)
{
int colon = 0, r = 0;
- struct perf_event_attr *attr = &evsel->attr;
+ struct perf_event_attr *attr = &evsel->core.attr;
bool exclude_guest_default = false;
#define MOD_PRINT(context, mod) do { \
@@ -424,13 +533,13 @@
return r;
}
-static int perf_evsel__hw_name(struct perf_evsel *evsel, char *bf, size_t size)
+static int evsel__hw_name(struct evsel *evsel, char *bf, size_t size)
{
- int r = scnprintf(bf, size, "%s", __perf_evsel__hw_name(evsel->attr.config));
+ int r = scnprintf(bf, size, "%s", __evsel__hw_name(evsel->core.attr.config));
return r + perf_evsel__add_modifiers(evsel, bf + r, size - r);
}
-const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX] = {
+const char *evsel__sw_names[PERF_COUNT_SW_MAX] = {
"cpu-clock",
"task-clock",
"page-faults",
@@ -443,20 +552,20 @@
"dummy",
};
-static const char *__perf_evsel__sw_name(u64 config)
+static const char *__evsel__sw_name(u64 config)
{
- if (config < PERF_COUNT_SW_MAX && perf_evsel__sw_names[config])
- return perf_evsel__sw_names[config];
+ if (config < PERF_COUNT_SW_MAX && evsel__sw_names[config])
+ return evsel__sw_names[config];
return "unknown-software";
}
-static int perf_evsel__sw_name(struct perf_evsel *evsel, char *bf, size_t size)
+static int evsel__sw_name(struct evsel *evsel, char *bf, size_t size)
{
- int r = scnprintf(bf, size, "%s", __perf_evsel__sw_name(evsel->attr.config));
+ int r = scnprintf(bf, size, "%s", __evsel__sw_name(evsel->core.attr.config));
return r + perf_evsel__add_modifiers(evsel, bf + r, size - r);
}
-static int __perf_evsel__bp_name(char *bf, size_t size, u64 addr, u64 type)
+static int __evsel__bp_name(char *bf, size_t size, u64 addr, u64 type)
{
int r;
@@ -474,15 +583,14 @@
return r;
}
-static int perf_evsel__bp_name(struct perf_evsel *evsel, char *bf, size_t size)
+static int evsel__bp_name(struct evsel *evsel, char *bf, size_t size)
{
- struct perf_event_attr *attr = &evsel->attr;
- int r = __perf_evsel__bp_name(bf, size, attr->bp_addr, attr->bp_type);
+ struct perf_event_attr *attr = &evsel->core.attr;
+ int r = __evsel__bp_name(bf, size, attr->bp_addr, attr->bp_type);
return r + perf_evsel__add_modifiers(evsel, bf + r, size - r);
}
-const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
- [PERF_EVSEL__MAX_ALIASES] = {
+const char *evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX][EVSEL__MAX_ALIASES] = {
{ "L1-dcache", "l1-d", "l1d", "L1-data", },
{ "L1-icache", "l1-i", "l1i", "L1-instruction", },
{ "LLC", "L2", },
@@ -492,15 +600,13 @@
{ "node", },
};
-const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
- [PERF_EVSEL__MAX_ALIASES] = {
+const char *evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX][EVSEL__MAX_ALIASES] = {
{ "load", "loads", "read", },
{ "store", "stores", "write", },
{ "prefetch", "prefetches", "speculative-read", "speculative-load", },
};
-const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
- [PERF_EVSEL__MAX_ALIASES] = {
+const char *evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX][EVSEL__MAX_ALIASES] = {
{ "refs", "Reference", "ops", "access", },
{ "misses", "miss", },
};
@@ -516,7 +622,7 @@
* L1I : Read and prefetch only
* ITLB and BPU : Read-only
*/
-static unsigned long perf_evsel__hw_cache_stat[C(MAX)] = {
+static unsigned long evsel__hw_cache_stat[C(MAX)] = {
[C(L1D)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH),
[C(L1I)] = (CACHE_READ | CACHE_PREFETCH),
[C(LL)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH),
@@ -526,28 +632,27 @@
[C(NODE)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH),
};
-bool perf_evsel__is_cache_op_valid(u8 type, u8 op)
+bool evsel__is_cache_op_valid(u8 type, u8 op)
{
- if (perf_evsel__hw_cache_stat[type] & COP(op))
+ if (evsel__hw_cache_stat[type] & COP(op))
return true; /* valid */
else
return false; /* invalid */
}
-int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
- char *bf, size_t size)
+int __evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, char *bf, size_t size)
{
if (result) {
- return scnprintf(bf, size, "%s-%s-%s", perf_evsel__hw_cache[type][0],
- perf_evsel__hw_cache_op[op][0],
- perf_evsel__hw_cache_result[result][0]);
+ return scnprintf(bf, size, "%s-%s-%s", evsel__hw_cache[type][0],
+ evsel__hw_cache_op[op][0],
+ evsel__hw_cache_result[result][0]);
}
- return scnprintf(bf, size, "%s-%s", perf_evsel__hw_cache[type][0],
- perf_evsel__hw_cache_op[op][1]);
+ return scnprintf(bf, size, "%s-%s", evsel__hw_cache[type][0],
+ evsel__hw_cache_op[op][1]);
}
-static int __perf_evsel__hw_cache_name(u64 config, char *bf, size_t size)
+static int __evsel__hw_cache_name(u64 config, char *bf, size_t size)
{
u8 op, result, type = (config >> 0) & 0xff;
const char *err = "unknown-ext-hardware-cache-type";
@@ -566,27 +671,33 @@
goto out_err;
err = "invalid-cache";
- if (!perf_evsel__is_cache_op_valid(type, op))
+ if (!evsel__is_cache_op_valid(type, op))
goto out_err;
- return __perf_evsel__hw_cache_type_op_res_name(type, op, result, bf, size);
+ return __evsel__hw_cache_type_op_res_name(type, op, result, bf, size);
out_err:
return scnprintf(bf, size, "%s", err);
}
-static int perf_evsel__hw_cache_name(struct perf_evsel *evsel, char *bf, size_t size)
+static int evsel__hw_cache_name(struct evsel *evsel, char *bf, size_t size)
{
- int ret = __perf_evsel__hw_cache_name(evsel->attr.config, bf, size);
+ int ret = __evsel__hw_cache_name(evsel->core.attr.config, bf, size);
return ret + perf_evsel__add_modifiers(evsel, bf + ret, size - ret);
}
-static int perf_evsel__raw_name(struct perf_evsel *evsel, char *bf, size_t size)
+static int evsel__raw_name(struct evsel *evsel, char *bf, size_t size)
{
- int ret = scnprintf(bf, size, "raw 0x%" PRIx64, evsel->attr.config);
+ int ret = scnprintf(bf, size, "raw 0x%" PRIx64, evsel->core.attr.config);
return ret + perf_evsel__add_modifiers(evsel, bf + ret, size - ret);
}
-const char *perf_evsel__name(struct perf_evsel *evsel)
+static int evsel__tool_name(char *bf, size_t size)
+{
+ int ret = scnprintf(bf, size, "duration_time");
+ return ret;
+}
+
+const char *evsel__name(struct evsel *evsel)
{
char bf[128];
@@ -596,21 +707,24 @@
if (evsel->name)
return evsel->name;
- switch (evsel->attr.type) {
+ switch (evsel->core.attr.type) {
case PERF_TYPE_RAW:
- perf_evsel__raw_name(evsel, bf, sizeof(bf));
+ evsel__raw_name(evsel, bf, sizeof(bf));
break;
case PERF_TYPE_HARDWARE:
- perf_evsel__hw_name(evsel, bf, sizeof(bf));
+ evsel__hw_name(evsel, bf, sizeof(bf));
break;
case PERF_TYPE_HW_CACHE:
- perf_evsel__hw_cache_name(evsel, bf, sizeof(bf));
+ evsel__hw_cache_name(evsel, bf, sizeof(bf));
break;
case PERF_TYPE_SOFTWARE:
- perf_evsel__sw_name(evsel, bf, sizeof(bf));
+ if (evsel->tool_event)
+ evsel__tool_name(bf, sizeof(bf));
+ else
+ evsel__sw_name(evsel, bf, sizeof(bf));
break;
case PERF_TYPE_TRACEPOINT:
@@ -618,12 +732,12 @@
break;
case PERF_TYPE_BREAKPOINT:
- perf_evsel__bp_name(evsel, bf, sizeof(bf));
+ evsel__bp_name(evsel, bf, sizeof(bf));
break;
default:
scnprintf(bf, sizeof(bf), "unknown attr type: %d",
- evsel->attr.type);
+ evsel->core.attr.type);
break;
}
@@ -635,7 +749,7 @@
return "unknown";
}
-const char *perf_evsel__group_name(struct perf_evsel *evsel)
+const char *evsel__group_name(struct evsel *evsel)
{
return evsel->group_name ?: "anon group";
}
@@ -650,21 +764,19 @@
* For record -e 'cycles,instructions' and report --group
* 'cycles:u, instructions:u'
*/
-int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size)
+int evsel__group_desc(struct evsel *evsel, char *buf, size_t size)
{
int ret = 0;
- struct perf_evsel *pos;
- const char *group_name = perf_evsel__group_name(evsel);
+ struct evsel *pos;
+ const char *group_name = evsel__group_name(evsel);
if (!evsel->forced_leader)
ret = scnprintf(buf, size, "%s { ", group_name);
- ret += scnprintf(buf + ret, size - ret, "%s",
- perf_evsel__name(evsel));
+ ret += scnprintf(buf + ret, size - ret, "%s", evsel__name(evsel));
for_each_group_member(pos, evsel)
- ret += scnprintf(buf + ret, size - ret, ", %s",
- perf_evsel__name(pos));
+ ret += scnprintf(buf + ret, size - ret, ", %s", evsel__name(pos));
if (!evsel->forced_leader)
ret += scnprintf(buf + ret, size - ret, " }");
@@ -672,17 +784,20 @@
return ret;
}
-static void __perf_evsel__config_callchain(struct perf_evsel *evsel,
- struct record_opts *opts,
- struct callchain_param *param)
+static void __evsel__config_callchain(struct evsel *evsel, struct record_opts *opts,
+ struct callchain_param *param)
{
- bool function = perf_evsel__is_function_event(evsel);
- struct perf_event_attr *attr = &evsel->attr;
+ bool function = evsel__is_function_event(evsel);
+ struct perf_event_attr *attr = &evsel->core.attr;
- perf_evsel__set_sample_bit(evsel, CALLCHAIN);
+ evsel__set_sample_bit(evsel, CALLCHAIN);
attr->sample_max_stack = param->max_stack;
+ if (opts->kernel_callchains)
+ attr->exclude_callchain_user = 1;
+ if (opts->user_callchains)
+ attr->exclude_callchain_kernel = 1;
if (param->record_mode == CALLCHAIN_LBR) {
if (!opts->branch_stack) {
if (attr->exclude_user) {
@@ -690,11 +805,12 @@
"to get user callchain information. "
"Falling back to framepointers.\n");
} else {
- perf_evsel__set_sample_bit(evsel, BRANCH_STACK);
+ evsel__set_sample_bit(evsel, BRANCH_STACK);
attr->branch_sample_type = PERF_SAMPLE_BRANCH_USER |
PERF_SAMPLE_BRANCH_CALL_STACK |
PERF_SAMPLE_BRANCH_NO_CYCLES |
- PERF_SAMPLE_BRANCH_NO_FLAGS;
+ PERF_SAMPLE_BRANCH_NO_FLAGS |
+ PERF_SAMPLE_BRANCH_HW_INDEX;
}
} else
pr_warning("Cannot use LBR callstack with branch stack. "
@@ -703,9 +819,16 @@
if (param->record_mode == CALLCHAIN_DWARF) {
if (!function) {
- perf_evsel__set_sample_bit(evsel, REGS_USER);
- perf_evsel__set_sample_bit(evsel, STACK_USER);
- attr->sample_regs_user |= PERF_REGS_MASK;
+ evsel__set_sample_bit(evsel, REGS_USER);
+ evsel__set_sample_bit(evsel, STACK_USER);
+ if (opts->sample_user_regs && DWARF_MINIMAL_REGS != PERF_REGS_MASK) {
+ attr->sample_regs_user |= DWARF_MINIMAL_REGS;
+ pr_warning("WARNING: The use of --call-graph=dwarf may require all the user registers, "
+ "specifying a subset with --user-regs may render DWARF unwinding unreliable, "
+ "so the minimal registers set (IP, SP) is explicitly forced.\n");
+ } else {
+ attr->sample_regs_user |= PERF_REGS_MASK;
+ }
attr->sample_stack_user = param->dump_size;
attr->exclude_callchain_user = 1;
} else {
@@ -720,38 +843,38 @@
}
}
-void perf_evsel__config_callchain(struct perf_evsel *evsel,
- struct record_opts *opts,
- struct callchain_param *param)
+void evsel__config_callchain(struct evsel *evsel, struct record_opts *opts,
+ struct callchain_param *param)
{
if (param->enabled)
- return __perf_evsel__config_callchain(evsel, opts, param);
+ return __evsel__config_callchain(evsel, opts, param);
}
static void
-perf_evsel__reset_callgraph(struct perf_evsel *evsel,
+perf_evsel__reset_callgraph(struct evsel *evsel,
struct callchain_param *param)
{
- struct perf_event_attr *attr = &evsel->attr;
+ struct perf_event_attr *attr = &evsel->core.attr;
- perf_evsel__reset_sample_bit(evsel, CALLCHAIN);
+ evsel__reset_sample_bit(evsel, CALLCHAIN);
if (param->record_mode == CALLCHAIN_LBR) {
- perf_evsel__reset_sample_bit(evsel, BRANCH_STACK);
+ evsel__reset_sample_bit(evsel, BRANCH_STACK);
attr->branch_sample_type &= ~(PERF_SAMPLE_BRANCH_USER |
- PERF_SAMPLE_BRANCH_CALL_STACK);
+ PERF_SAMPLE_BRANCH_CALL_STACK |
+ PERF_SAMPLE_BRANCH_HW_INDEX);
}
if (param->record_mode == CALLCHAIN_DWARF) {
- perf_evsel__reset_sample_bit(evsel, REGS_USER);
- perf_evsel__reset_sample_bit(evsel, STACK_USER);
+ evsel__reset_sample_bit(evsel, REGS_USER);
+ evsel__reset_sample_bit(evsel, STACK_USER);
}
}
-static void apply_config_terms(struct perf_evsel *evsel,
- struct record_opts *opts, bool track)
+static void evsel__apply_config_terms(struct evsel *evsel,
+ struct record_opts *opts, bool track)
{
- struct perf_evsel_config_term *term;
+ struct evsel_config_term *term;
struct list_head *config_terms = &evsel->config_terms;
- struct perf_event_attr *attr = &evsel->attr;
+ struct perf_event_attr *attr = &evsel->core.attr;
/* callgraph default */
struct callchain_param param = {
.record_mode = callchain_param.record_mode,
@@ -762,56 +885,69 @@
list_for_each_entry(term, config_terms, list) {
switch (term->type) {
- case PERF_EVSEL__CONFIG_TERM_PERIOD:
+ case EVSEL__CONFIG_TERM_PERIOD:
if (!(term->weak && opts->user_interval != ULLONG_MAX)) {
attr->sample_period = term->val.period;
attr->freq = 0;
- perf_evsel__reset_sample_bit(evsel, PERIOD);
+ evsel__reset_sample_bit(evsel, PERIOD);
}
break;
- case PERF_EVSEL__CONFIG_TERM_FREQ:
+ case EVSEL__CONFIG_TERM_FREQ:
if (!(term->weak && opts->user_freq != UINT_MAX)) {
attr->sample_freq = term->val.freq;
attr->freq = 1;
- perf_evsel__set_sample_bit(evsel, PERIOD);
+ evsel__set_sample_bit(evsel, PERIOD);
}
break;
- case PERF_EVSEL__CONFIG_TERM_TIME:
+ case EVSEL__CONFIG_TERM_TIME:
if (term->val.time)
- perf_evsel__set_sample_bit(evsel, TIME);
+ evsel__set_sample_bit(evsel, TIME);
else
- perf_evsel__reset_sample_bit(evsel, TIME);
+ evsel__reset_sample_bit(evsel, TIME);
break;
- case PERF_EVSEL__CONFIG_TERM_CALLGRAPH:
- callgraph_buf = term->val.callgraph;
+ case EVSEL__CONFIG_TERM_CALLGRAPH:
+ callgraph_buf = term->val.str;
break;
- case PERF_EVSEL__CONFIG_TERM_BRANCH:
- if (term->val.branch && strcmp(term->val.branch, "no")) {
- perf_evsel__set_sample_bit(evsel, BRANCH_STACK);
- parse_branch_str(term->val.branch,
+ case EVSEL__CONFIG_TERM_BRANCH:
+ if (term->val.str && strcmp(term->val.str, "no")) {
+ evsel__set_sample_bit(evsel, BRANCH_STACK);
+ parse_branch_str(term->val.str,
&attr->branch_sample_type);
} else
- perf_evsel__reset_sample_bit(evsel, BRANCH_STACK);
+ evsel__reset_sample_bit(evsel, BRANCH_STACK);
break;
- case PERF_EVSEL__CONFIG_TERM_STACK_USER:
+ case EVSEL__CONFIG_TERM_STACK_USER:
dump_size = term->val.stack_user;
break;
- case PERF_EVSEL__CONFIG_TERM_MAX_STACK:
+ case EVSEL__CONFIG_TERM_MAX_STACK:
max_stack = term->val.max_stack;
break;
- case PERF_EVSEL__CONFIG_TERM_INHERIT:
+ case EVSEL__CONFIG_TERM_MAX_EVENTS:
+ evsel->max_events = term->val.max_events;
+ break;
+ case EVSEL__CONFIG_TERM_INHERIT:
/*
* attr->inherit should has already been set by
- * perf_evsel__config. If user explicitly set
+ * evsel__config. If user explicitly set
* inherit using config terms, override global
* opt->no_inherit setting.
*/
attr->inherit = term->val.inherit ? 1 : 0;
break;
- case PERF_EVSEL__CONFIG_TERM_OVERWRITE:
+ case EVSEL__CONFIG_TERM_OVERWRITE:
attr->write_backward = term->val.overwrite ? 1 : 0;
break;
- case PERF_EVSEL__CONFIG_TERM_DRV_CFG:
+ case EVSEL__CONFIG_TERM_DRV_CFG:
+ break;
+ case EVSEL__CONFIG_TERM_PERCORE:
+ break;
+ case EVSEL__CONFIG_TERM_AUX_OUTPUT:
+ attr->aux_output = term->val.aux_output ? 1 : 0;
+ break;
+ case EVSEL__CONFIG_TERM_AUX_SAMPLE_SIZE:
+ /* Already applied by auxtrace */
+ break;
+ case EVSEL__CONFIG_TERM_CFG_CHG:
break;
default:
break;
@@ -857,19 +993,36 @@
/* set perf-event callgraph */
if (param.enabled) {
if (sample_address) {
- perf_evsel__set_sample_bit(evsel, ADDR);
- perf_evsel__set_sample_bit(evsel, DATA_SRC);
- evsel->attr.mmap_data = track;
+ evsel__set_sample_bit(evsel, ADDR);
+ evsel__set_sample_bit(evsel, DATA_SRC);
+ evsel->core.attr.mmap_data = track;
}
- perf_evsel__config_callchain(evsel, opts, ¶m);
+ evsel__config_callchain(evsel, opts, ¶m);
}
}
}
-static bool is_dummy_event(struct perf_evsel *evsel)
+struct evsel_config_term *__evsel__get_config_term(struct evsel *evsel, enum evsel_term_type type)
{
- return (evsel->attr.type == PERF_TYPE_SOFTWARE) &&
- (evsel->attr.config == PERF_COUNT_SW_DUMMY);
+ struct evsel_config_term *term, *found_term = NULL;
+
+ list_for_each_entry(term, &evsel->config_terms, list) {
+ if (term->type == type)
+ found_term = term;
+ }
+
+ return found_term;
+}
+
+static void evsel__set_default_freq_period(struct record_opts *opts,
+ struct perf_event_attr *attr)
+{
+ if (opts->freq) {
+ attr->freq = 1;
+ attr->sample_freq = opts->freq;
+ } else {
+ attr->sample_period = opts->default_interval;
+ }
}
/*
@@ -900,11 +1053,11 @@
* enable/disable events specifically, as there's no
* initial traced exec call.
*/
-void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts,
- struct callchain_param *callchain)
+void evsel__config(struct evsel *evsel, struct record_opts *opts,
+ struct callchain_param *callchain)
{
- struct perf_evsel *leader = evsel->leader;
- struct perf_event_attr *attr = &evsel->attr;
+ struct evsel *leader = evsel->leader;
+ struct perf_event_attr *attr = &evsel->core.attr;
int track = evsel->tracking;
bool per_cpu = opts->target.default_per_cpu && !opts->target.per_thread;
@@ -912,23 +1065,23 @@
attr->inherit = !opts->no_inherit;
attr->write_backward = opts->overwrite ? 1 : 0;
- perf_evsel__set_sample_bit(evsel, IP);
- perf_evsel__set_sample_bit(evsel, TID);
+ evsel__set_sample_bit(evsel, IP);
+ evsel__set_sample_bit(evsel, TID);
if (evsel->sample_read) {
- perf_evsel__set_sample_bit(evsel, READ);
+ evsel__set_sample_bit(evsel, READ);
/*
* We need ID even in case of single event, because
* PERF_SAMPLE_READ process ID specific data.
*/
- perf_evsel__set_sample_id(evsel, false);
+ evsel__set_sample_id(evsel, false);
/*
* Apply group format only if we belong to group
* with more than one members.
*/
- if (leader->nr_members > 1) {
+ if (leader->core.nr_members > 1) {
attr->read_format |= PERF_FORMAT_GROUP;
attr->inherit = 0;
}
@@ -938,33 +1091,24 @@
* We default some events to have a default interval. But keep
* it a weak assumption overridable by the user.
*/
- if (!attr->sample_period || (opts->user_freq != UINT_MAX ||
- opts->user_interval != ULLONG_MAX)) {
- if (opts->freq) {
- perf_evsel__set_sample_bit(evsel, PERIOD);
- attr->freq = 1;
- attr->sample_freq = opts->freq;
- } else {
- attr->sample_period = opts->default_interval;
- }
- }
+ if ((evsel->is_libpfm_event && !attr->sample_period) ||
+ (!evsel->is_libpfm_event && (!attr->sample_period ||
+ opts->user_freq != UINT_MAX ||
+ opts->user_interval != ULLONG_MAX)))
+ evsel__set_default_freq_period(opts, attr);
/*
- * Disable sampling for all group members other
- * than leader in case leader 'leads' the sampling.
+ * If attr->freq was set (here or earlier), ask for period
+ * to be sampled.
*/
- if ((leader != evsel) && leader->sample_read) {
- attr->freq = 0;
- attr->sample_freq = 0;
- attr->sample_period = 0;
- attr->write_backward = 0;
- }
+ if (attr->freq)
+ evsel__set_sample_bit(evsel, PERIOD);
if (opts->no_samples)
attr->sample_freq = 0;
if (opts->inherit_stat) {
- evsel->attr.read_format |=
+ evsel->core.attr.read_format |=
PERF_FORMAT_TOTAL_TIME_ENABLED |
PERF_FORMAT_TOTAL_TIME_RUNNING |
PERF_FORMAT_ID;
@@ -972,7 +1116,7 @@
}
if (opts->sample_address) {
- perf_evsel__set_sample_bit(evsel, ADDR);
+ evsel__set_sample_bit(evsel, ADDR);
attr->mmap_data = track;
}
@@ -981,24 +1125,26 @@
* event, due to issues with page faults while tracing page
* fault handler and its overall trickiness nature.
*/
- if (perf_evsel__is_function_event(evsel))
- evsel->attr.exclude_callchain_user = 1;
+ if (evsel__is_function_event(evsel))
+ evsel->core.attr.exclude_callchain_user = 1;
if (callchain && callchain->enabled && !evsel->no_aux_samples)
- perf_evsel__config_callchain(evsel, opts, callchain);
+ evsel__config_callchain(evsel, opts, callchain);
- if (opts->sample_intr_regs) {
+ if (opts->sample_intr_regs && !evsel->no_aux_samples &&
+ !evsel__is_dummy_event(evsel)) {
attr->sample_regs_intr = opts->sample_intr_regs;
- perf_evsel__set_sample_bit(evsel, REGS_INTR);
+ evsel__set_sample_bit(evsel, REGS_INTR);
}
- if (opts->sample_user_regs) {
+ if (opts->sample_user_regs && !evsel->no_aux_samples &&
+ !evsel__is_dummy_event(evsel)) {
attr->sample_regs_user |= opts->sample_user_regs;
- perf_evsel__set_sample_bit(evsel, REGS_USER);
+ evsel__set_sample_bit(evsel, REGS_USER);
}
if (target__has_cpu(&opts->target) || opts->sample_cpu)
- perf_evsel__set_sample_bit(evsel, CPU);
+ evsel__set_sample_bit(evsel, CPU);
/*
* When the user explicitly disabled time don't force it here.
@@ -1007,48 +1153,60 @@
(!perf_missing_features.sample_id_all &&
(!opts->no_inherit || target__has_cpu(&opts->target) || per_cpu ||
opts->sample_time_set)))
- perf_evsel__set_sample_bit(evsel, TIME);
+ evsel__set_sample_bit(evsel, TIME);
if (opts->raw_samples && !evsel->no_aux_samples) {
- perf_evsel__set_sample_bit(evsel, TIME);
- perf_evsel__set_sample_bit(evsel, RAW);
- perf_evsel__set_sample_bit(evsel, CPU);
+ evsel__set_sample_bit(evsel, TIME);
+ evsel__set_sample_bit(evsel, RAW);
+ evsel__set_sample_bit(evsel, CPU);
}
if (opts->sample_address)
- perf_evsel__set_sample_bit(evsel, DATA_SRC);
+ evsel__set_sample_bit(evsel, DATA_SRC);
if (opts->sample_phys_addr)
- perf_evsel__set_sample_bit(evsel, PHYS_ADDR);
+ evsel__set_sample_bit(evsel, PHYS_ADDR);
if (opts->no_buffering) {
attr->watermark = 0;
attr->wakeup_events = 1;
}
if (opts->branch_stack && !evsel->no_aux_samples) {
- perf_evsel__set_sample_bit(evsel, BRANCH_STACK);
+ evsel__set_sample_bit(evsel, BRANCH_STACK);
attr->branch_sample_type = opts->branch_stack;
}
if (opts->sample_weight)
- perf_evsel__set_sample_bit(evsel, WEIGHT);
+ evsel__set_sample_bit(evsel, WEIGHT);
attr->task = track;
attr->mmap = track;
attr->mmap2 = track && !perf_missing_features.mmap2;
attr->comm = track;
+ /*
+ * ksymbol is tracked separately with text poke because it needs to be
+ * system wide and enabled immediately.
+ */
+ if (!opts->text_poke)
+ attr->ksymbol = track && !perf_missing_features.ksymbol;
+ attr->bpf_event = track && !opts->no_bpf_event && !perf_missing_features.bpf;
if (opts->record_namespaces)
attr->namespaces = track;
+
+ if (opts->record_cgroup) {
+ attr->cgroup = track && !perf_missing_features.cgroup;
+ evsel__set_sample_bit(evsel, CGROUP);
+ }
if (opts->record_switch_events)
attr->context_switch = track;
if (opts->sample_transaction)
- perf_evsel__set_sample_bit(evsel, TRANSACTION);
+ evsel__set_sample_bit(evsel, TRANSACTION);
if (opts->running_time) {
- evsel->attr.read_format |=
+ evsel->core.attr.read_format |=
PERF_FORMAT_TOTAL_TIME_ENABLED |
PERF_FORMAT_TOTAL_TIME_RUNNING;
}
@@ -1059,15 +1217,15 @@
* Disabling only independent events or group leaders,
* keeping group members enabled.
*/
- if (perf_evsel__is_group_leader(evsel))
+ if (evsel__is_group_leader(evsel))
attr->disabled = 1;
/*
* Setting enable_on_exec for independent events and
* group leaders for traced executed by perf.
*/
- if (target__none(&opts->target) && perf_evsel__is_group_leader(evsel) &&
- !opts->initial_delay)
+ if (target__none(&opts->target) && evsel__is_group_leader(evsel) &&
+ !opts->initial_delay)
attr->enable_on_exec = 1;
if (evsel->immediate) {
@@ -1082,7 +1240,7 @@
}
if (evsel->precise_max)
- perf_event_attr__set_max_precise_ip(attr);
+ attr->precise_ip = 3;
if (opts->all_user) {
attr->exclude_kernel = 1;
@@ -1094,79 +1252,38 @@
attr->exclude_user = 1;
}
- if (evsel->own_cpus || evsel->unit)
- evsel->attr.read_format |= PERF_FORMAT_ID;
+ if (evsel->core.own_cpus || evsel->unit)
+ evsel->core.attr.read_format |= PERF_FORMAT_ID;
/*
* Apply event specific term settings,
* it overloads any global configuration.
*/
- apply_config_terms(evsel, opts, track);
+ evsel__apply_config_terms(evsel, opts, track);
evsel->ignore_missing_thread = opts->ignore_missing_thread;
/* The --period option takes the precedence. */
if (opts->period_set) {
if (opts->period)
- perf_evsel__set_sample_bit(evsel, PERIOD);
+ evsel__set_sample_bit(evsel, PERIOD);
else
- perf_evsel__reset_sample_bit(evsel, PERIOD);
+ evsel__reset_sample_bit(evsel, PERIOD);
}
/*
+ * A dummy event never triggers any actual counter and therefore
+ * cannot be used with branch_stack.
+ *
* For initial_delay, a dummy event is added implicitly.
* The software event will trigger -EOPNOTSUPP error out,
* if BRANCH_STACK bit is set.
*/
- if (opts->initial_delay && is_dummy_event(evsel))
- perf_evsel__reset_sample_bit(evsel, BRANCH_STACK);
+ if (evsel__is_dummy_event(evsel))
+ evsel__reset_sample_bit(evsel, BRANCH_STACK);
}
-static int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads)
-{
- if (evsel->system_wide)
- nthreads = 1;
-
- evsel->fd = xyarray__new(ncpus, nthreads, sizeof(int));
-
- if (evsel->fd) {
- int cpu, thread;
- for (cpu = 0; cpu < ncpus; cpu++) {
- for (thread = 0; thread < nthreads; thread++) {
- FD(evsel, cpu, thread) = -1;
- }
- }
- }
-
- return evsel->fd != NULL ? 0 : -ENOMEM;
-}
-
-static int perf_evsel__run_ioctl(struct perf_evsel *evsel,
- int ioc, void *arg)
-{
- int cpu, thread;
-
- for (cpu = 0; cpu < xyarray__max_x(evsel->fd); cpu++) {
- for (thread = 0; thread < xyarray__max_y(evsel->fd); thread++) {
- int fd = FD(evsel, cpu, thread),
- err = ioctl(fd, ioc, arg);
-
- if (err)
- return err;
- }
- }
-
- return 0;
-}
-
-int perf_evsel__apply_filter(struct perf_evsel *evsel, const char *filter)
-{
- return perf_evsel__run_ioctl(evsel,
- PERF_EVENT_IOC_SET_FILTER,
- (void *)filter);
-}
-
-int perf_evsel__set_filter(struct perf_evsel *evsel, const char *filter)
+int evsel__set_filter(struct evsel *evsel, const char *filter)
{
char *new_filter = strdup(filter);
@@ -1179,13 +1296,12 @@
return -1;
}
-static int perf_evsel__append_filter(struct perf_evsel *evsel,
- const char *fmt, const char *filter)
+static int evsel__append_filter(struct evsel *evsel, const char *fmt, const char *filter)
{
char *new_filter;
if (evsel->filter == NULL)
- return perf_evsel__set_filter(evsel, filter);
+ return evsel__set_filter(evsel, filter);
if (asprintf(&new_filter, fmt, evsel->filter, filter) > 0) {
free(evsel->filter);
@@ -1196,98 +1312,76 @@
return -1;
}
-int perf_evsel__append_tp_filter(struct perf_evsel *evsel, const char *filter)
+int evsel__append_tp_filter(struct evsel *evsel, const char *filter)
{
- return perf_evsel__append_filter(evsel, "(%s) && (%s)", filter);
+ return evsel__append_filter(evsel, "(%s) && (%s)", filter);
}
-int perf_evsel__append_addr_filter(struct perf_evsel *evsel, const char *filter)
+int evsel__append_addr_filter(struct evsel *evsel, const char *filter)
{
- return perf_evsel__append_filter(evsel, "%s,%s", filter);
+ return evsel__append_filter(evsel, "%s,%s", filter);
}
-int perf_evsel__enable(struct perf_evsel *evsel)
+/* Caller has to clear disabled after going through all CPUs. */
+int evsel__enable_cpu(struct evsel *evsel, int cpu)
{
- return perf_evsel__run_ioctl(evsel,
- PERF_EVENT_IOC_ENABLE,
- 0);
+ return perf_evsel__enable_cpu(&evsel->core, cpu);
}
-int perf_evsel__disable(struct perf_evsel *evsel)
+int evsel__enable(struct evsel *evsel)
{
- return perf_evsel__run_ioctl(evsel,
- PERF_EVENT_IOC_DISABLE,
- 0);
+ int err = perf_evsel__enable(&evsel->core);
+
+ if (!err)
+ evsel->disabled = false;
+ return err;
}
-int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads)
+/* Caller has to set disabled after going through all CPUs. */
+int evsel__disable_cpu(struct evsel *evsel, int cpu)
{
- if (ncpus == 0 || nthreads == 0)
- return 0;
-
- if (evsel->system_wide)
- nthreads = 1;
-
- evsel->sample_id = xyarray__new(ncpus, nthreads, sizeof(struct perf_sample_id));
- if (evsel->sample_id == NULL)
- return -ENOMEM;
-
- evsel->id = zalloc(ncpus * nthreads * sizeof(u64));
- if (evsel->id == NULL) {
- xyarray__delete(evsel->sample_id);
- evsel->sample_id = NULL;
- return -ENOMEM;
- }
-
- return 0;
+ return perf_evsel__disable_cpu(&evsel->core, cpu);
}
-static void perf_evsel__free_fd(struct perf_evsel *evsel)
+int evsel__disable(struct evsel *evsel)
{
- xyarray__delete(evsel->fd);
- evsel->fd = NULL;
+ int err = perf_evsel__disable(&evsel->core);
+ /*
+ * We mark it disabled here so that tools that disable a event can
+ * ignore events after they disable it. I.e. the ring buffer may have
+ * already a few more events queued up before the kernel got the stop
+ * request.
+ */
+ if (!err)
+ evsel->disabled = true;
+
+ return err;
}
-static void perf_evsel__free_id(struct perf_evsel *evsel)
+static void evsel__free_config_terms(struct evsel *evsel)
{
- xyarray__delete(evsel->sample_id);
- evsel->sample_id = NULL;
- zfree(&evsel->id);
-}
-
-static void perf_evsel__free_config_terms(struct perf_evsel *evsel)
-{
- struct perf_evsel_config_term *term, *h;
+ struct evsel_config_term *term, *h;
list_for_each_entry_safe(term, h, &evsel->config_terms, list) {
- list_del(&term->list);
+ list_del_init(&term->list);
+ if (term->free_str)
+ zfree(&term->val.str);
free(term);
}
}
-void perf_evsel__close_fd(struct perf_evsel *evsel)
+void evsel__exit(struct evsel *evsel)
{
- int cpu, thread;
-
- for (cpu = 0; cpu < xyarray__max_x(evsel->fd); cpu++)
- for (thread = 0; thread < xyarray__max_y(evsel->fd); ++thread) {
- close(FD(evsel, cpu, thread));
- FD(evsel, cpu, thread) = -1;
- }
-}
-
-void perf_evsel__exit(struct perf_evsel *evsel)
-{
- assert(list_empty(&evsel->node));
+ assert(list_empty(&evsel->core.node));
assert(evsel->evlist == NULL);
- perf_evsel__free_counts(evsel);
- perf_evsel__free_fd(evsel);
- perf_evsel__free_id(evsel);
- perf_evsel__free_config_terms(evsel);
+ evsel__free_counts(evsel);
+ perf_evsel__free_fd(&evsel->core);
+ perf_evsel__free_id(&evsel->core);
+ evsel__free_config_terms(evsel);
cgroup__put(evsel->cgrp);
- cpu_map__put(evsel->cpus);
- cpu_map__put(evsel->own_cpus);
- thread_map__put(evsel->threads);
+ perf_cpu_map__put(evsel->core.cpus);
+ perf_cpu_map__put(evsel->core.own_cpus);
+ perf_thread_map__put(evsel->core.threads);
zfree(&evsel->group_name);
zfree(&evsel->name);
zfree(&evsel->pmu_name);
@@ -1296,14 +1390,14 @@
perf_evsel__object.fini(evsel);
}
-void perf_evsel__delete(struct perf_evsel *evsel)
+void evsel__delete(struct evsel *evsel)
{
- perf_evsel__exit(evsel);
+ evsel__exit(evsel);
free(evsel);
}
-void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, int thread,
- struct perf_counts_values *count)
+void evsel__compute_deltas(struct evsel *evsel, int cpu, int thread,
+ struct perf_counts_values *count)
{
struct perf_counts_values tmp;
@@ -1334,66 +1428,23 @@
count->val = 0;
} else if (count->run < count->ena) {
scaled = 1;
- count->val = (u64)((double) count->val * count->ena / count->run + 0.5);
+ count->val = (u64)((double) count->val * count->ena / count->run);
}
- } else
- count->ena = count->run = 0;
+ }
if (pscaled)
*pscaled = scaled;
}
-static int perf_evsel__read_size(struct perf_evsel *evsel)
-{
- u64 read_format = evsel->attr.read_format;
- int entry = sizeof(u64); /* value */
- int size = 0;
- int nr = 1;
-
- if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
- size += sizeof(u64);
-
- if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
- size += sizeof(u64);
-
- if (read_format & PERF_FORMAT_ID)
- entry += sizeof(u64);
-
- if (read_format & PERF_FORMAT_GROUP) {
- nr = evsel->nr_members;
- size += sizeof(u64);
- }
-
- size += entry * nr;
- return size;
-}
-
-int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
- struct perf_counts_values *count)
-{
- size_t size = perf_evsel__read_size(evsel);
-
- memset(count, 0, sizeof(*count));
-
- if (FD(evsel, cpu, thread) < 0)
- return -EINVAL;
-
- if (readn(FD(evsel, cpu, thread), count->values, size) <= 0)
- return -errno;
-
- return 0;
-}
-
-static int
-perf_evsel__read_one(struct perf_evsel *evsel, int cpu, int thread)
+static int evsel__read_one(struct evsel *evsel, int cpu, int thread)
{
struct perf_counts_values *count = perf_counts(evsel->counts, cpu, thread);
- return perf_evsel__read(evsel, cpu, thread, count);
+ return perf_evsel__read(&evsel->core, cpu, thread, count);
}
static void
-perf_evsel__set_count(struct perf_evsel *counter, int cpu, int thread,
+perf_evsel__set_count(struct evsel *counter, int cpu, int thread,
u64 val, u64 ena, u64 run)
{
struct perf_counts_values *count;
@@ -1403,20 +1454,21 @@
count->val = val;
count->ena = ena;
count->run = run;
- count->loaded = true;
+
+ perf_counts__set_loaded(counter->counts, cpu, thread, true);
}
static int
-perf_evsel__process_group_data(struct perf_evsel *leader,
+perf_evsel__process_group_data(struct evsel *leader,
int cpu, int thread, u64 *data)
{
- u64 read_format = leader->attr.read_format;
+ u64 read_format = leader->core.attr.read_format;
struct sample_read_value *v;
u64 nr, ena = 0, run = 0, i;
nr = *data++;
- if (nr != (u64) leader->nr_members)
+ if (nr != (u64) leader->core.nr_members)
return -EINVAL;
if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
@@ -1431,7 +1483,7 @@
v[0].value, ena, run);
for (i = 1; i < nr; i++) {
- struct perf_evsel *counter;
+ struct evsel *counter;
counter = perf_evlist__id2evsel(leader->evlist, v[i].id);
if (!counter)
@@ -1444,18 +1496,17 @@
return 0;
}
-static int
-perf_evsel__read_group(struct perf_evsel *leader, int cpu, int thread)
+static int evsel__read_group(struct evsel *leader, int cpu, int thread)
{
struct perf_stat_evsel *ps = leader->stats;
- u64 read_format = leader->attr.read_format;
- int size = perf_evsel__read_size(leader);
+ u64 read_format = leader->core.attr.read_format;
+ int size = perf_evsel__read_size(&leader->core);
u64 *data = ps->group_data;
if (!(read_format & PERF_FORMAT_ID))
return -EINVAL;
- if (!perf_evsel__is_group_leader(leader))
+ if (!evsel__is_group_leader(leader))
return -EINVAL;
if (!data) {
@@ -1475,18 +1526,17 @@
return perf_evsel__process_group_data(leader, cpu, thread, data);
}
-int perf_evsel__read_counter(struct perf_evsel *evsel, int cpu, int thread)
+int evsel__read_counter(struct evsel *evsel, int cpu, int thread)
{
- u64 read_format = evsel->attr.read_format;
+ u64 read_format = evsel->core.attr.read_format;
if (read_format & PERF_FORMAT_GROUP)
- return perf_evsel__read_group(evsel, cpu, thread);
- else
- return perf_evsel__read_one(evsel, cpu, thread);
+ return evsel__read_group(evsel, cpu, thread);
+
+ return evsel__read_one(evsel, cpu, thread);
}
-int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
- int cpu, int thread, bool scale)
+int __evsel__read_on_cpu(struct evsel *evsel, int cpu, int thread, bool scale)
{
struct perf_counts_values count;
size_t nv = scale ? 3 : 1;
@@ -1494,31 +1544,31 @@
if (FD(evsel, cpu, thread) < 0)
return -EINVAL;
- if (evsel->counts == NULL && perf_evsel__alloc_counts(evsel, cpu + 1, thread + 1) < 0)
+ if (evsel->counts == NULL && evsel__alloc_counts(evsel, cpu + 1, thread + 1) < 0)
return -ENOMEM;
if (readn(FD(evsel, cpu, thread), &count, nv * sizeof(u64)) <= 0)
return -errno;
- perf_evsel__compute_deltas(evsel, cpu, thread, &count);
+ evsel__compute_deltas(evsel, cpu, thread, &count);
perf_counts_values__scale(&count, scale, NULL);
*perf_counts(evsel->counts, cpu, thread) = count;
return 0;
}
-static int get_group_fd(struct perf_evsel *evsel, int cpu, int thread)
+static int get_group_fd(struct evsel *evsel, int cpu, int thread)
{
- struct perf_evsel *leader = evsel->leader;
+ struct evsel *leader = evsel->leader;
int fd;
- if (perf_evsel__is_group_leader(evsel))
+ if (evsel__is_group_leader(evsel))
return -1;
/*
* Leader must be already processed/open,
* if not it's a bug.
*/
- BUG_ON(!leader->fd);
+ BUG_ON(!leader->core.fd);
fd = FD(leader, cpu, thread);
BUG_ON(fd == -1);
@@ -1526,150 +1576,7 @@
return fd;
}
-struct bit_names {
- int bit;
- const char *name;
-};
-
-static void __p_bits(char *buf, size_t size, u64 value, struct bit_names *bits)
-{
- bool first_bit = true;
- int i = 0;
-
- do {
- if (value & bits[i].bit) {
- buf += scnprintf(buf, size, "%s%s", first_bit ? "" : "|", bits[i].name);
- first_bit = false;
- }
- } while (bits[++i].name != NULL);
-}
-
-static void __p_sample_type(char *buf, size_t size, u64 value)
-{
-#define bit_name(n) { PERF_SAMPLE_##n, #n }
- struct bit_names bits[] = {
- bit_name(IP), bit_name(TID), bit_name(TIME), bit_name(ADDR),
- bit_name(READ), bit_name(CALLCHAIN), bit_name(ID), bit_name(CPU),
- bit_name(PERIOD), bit_name(STREAM_ID), bit_name(RAW),
- bit_name(BRANCH_STACK), bit_name(REGS_USER), bit_name(STACK_USER),
- bit_name(IDENTIFIER), bit_name(REGS_INTR), bit_name(DATA_SRC),
- bit_name(WEIGHT), bit_name(PHYS_ADDR),
- { .name = NULL, }
- };
-#undef bit_name
- __p_bits(buf, size, value, bits);
-}
-
-static void __p_branch_sample_type(char *buf, size_t size, u64 value)
-{
-#define bit_name(n) { PERF_SAMPLE_BRANCH_##n, #n }
- struct bit_names bits[] = {
- bit_name(USER), bit_name(KERNEL), bit_name(HV), bit_name(ANY),
- bit_name(ANY_CALL), bit_name(ANY_RETURN), bit_name(IND_CALL),
- bit_name(ABORT_TX), bit_name(IN_TX), bit_name(NO_TX),
- bit_name(COND), bit_name(CALL_STACK), bit_name(IND_JUMP),
- bit_name(CALL), bit_name(NO_FLAGS), bit_name(NO_CYCLES),
- { .name = NULL, }
- };
-#undef bit_name
- __p_bits(buf, size, value, bits);
-}
-
-static void __p_read_format(char *buf, size_t size, u64 value)
-{
-#define bit_name(n) { PERF_FORMAT_##n, #n }
- struct bit_names bits[] = {
- bit_name(TOTAL_TIME_ENABLED), bit_name(TOTAL_TIME_RUNNING),
- bit_name(ID), bit_name(GROUP),
- { .name = NULL, }
- };
-#undef bit_name
- __p_bits(buf, size, value, bits);
-}
-
-#define BUF_SIZE 1024
-
-#define p_hex(val) snprintf(buf, BUF_SIZE, "%#"PRIx64, (uint64_t)(val))
-#define p_unsigned(val) snprintf(buf, BUF_SIZE, "%"PRIu64, (uint64_t)(val))
-#define p_signed(val) snprintf(buf, BUF_SIZE, "%"PRId64, (int64_t)(val))
-#define p_sample_type(val) __p_sample_type(buf, BUF_SIZE, val)
-#define p_branch_sample_type(val) __p_branch_sample_type(buf, BUF_SIZE, val)
-#define p_read_format(val) __p_read_format(buf, BUF_SIZE, val)
-
-#define PRINT_ATTRn(_n, _f, _p) \
-do { \
- if (attr->_f) { \
- _p(attr->_f); \
- ret += attr__fprintf(fp, _n, buf, priv);\
- } \
-} while (0)
-
-#define PRINT_ATTRf(_f, _p) PRINT_ATTRn(#_f, _f, _p)
-
-int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
- attr__fprintf_f attr__fprintf, void *priv)
-{
- char buf[BUF_SIZE];
- int ret = 0;
-
- PRINT_ATTRf(type, p_unsigned);
- PRINT_ATTRf(size, p_unsigned);
- PRINT_ATTRf(config, p_hex);
- PRINT_ATTRn("{ sample_period, sample_freq }", sample_period, p_unsigned);
- PRINT_ATTRf(sample_type, p_sample_type);
- PRINT_ATTRf(read_format, p_read_format);
-
- PRINT_ATTRf(disabled, p_unsigned);
- PRINT_ATTRf(inherit, p_unsigned);
- PRINT_ATTRf(pinned, p_unsigned);
- PRINT_ATTRf(exclusive, p_unsigned);
- PRINT_ATTRf(exclude_user, p_unsigned);
- PRINT_ATTRf(exclude_kernel, p_unsigned);
- PRINT_ATTRf(exclude_hv, p_unsigned);
- PRINT_ATTRf(exclude_idle, p_unsigned);
- PRINT_ATTRf(mmap, p_unsigned);
- PRINT_ATTRf(comm, p_unsigned);
- PRINT_ATTRf(freq, p_unsigned);
- PRINT_ATTRf(inherit_stat, p_unsigned);
- PRINT_ATTRf(enable_on_exec, p_unsigned);
- PRINT_ATTRf(task, p_unsigned);
- PRINT_ATTRf(watermark, p_unsigned);
- PRINT_ATTRf(precise_ip, p_unsigned);
- PRINT_ATTRf(mmap_data, p_unsigned);
- PRINT_ATTRf(sample_id_all, p_unsigned);
- PRINT_ATTRf(exclude_host, p_unsigned);
- PRINT_ATTRf(exclude_guest, p_unsigned);
- PRINT_ATTRf(exclude_callchain_kernel, p_unsigned);
- PRINT_ATTRf(exclude_callchain_user, p_unsigned);
- PRINT_ATTRf(mmap2, p_unsigned);
- PRINT_ATTRf(comm_exec, p_unsigned);
- PRINT_ATTRf(use_clockid, p_unsigned);
- PRINT_ATTRf(context_switch, p_unsigned);
- PRINT_ATTRf(write_backward, p_unsigned);
- PRINT_ATTRf(namespaces, p_unsigned);
-
- PRINT_ATTRn("{ wakeup_events, wakeup_watermark }", wakeup_events, p_unsigned);
- PRINT_ATTRf(bp_type, p_unsigned);
- PRINT_ATTRn("{ bp_addr, config1 }", bp_addr, p_hex);
- PRINT_ATTRn("{ bp_len, config2 }", bp_len, p_hex);
- PRINT_ATTRf(branch_sample_type, p_branch_sample_type);
- PRINT_ATTRf(sample_regs_user, p_hex);
- PRINT_ATTRf(sample_stack_user, p_unsigned);
- PRINT_ATTRf(clockid, p_signed);
- PRINT_ATTRf(sample_regs_intr, p_hex);
- PRINT_ATTRf(aux_watermark, p_unsigned);
- PRINT_ATTRf(sample_max_stack, p_unsigned);
-
- return ret;
-}
-
-static int __open_attr__fprintf(FILE *fp, const char *name, const char *val,
- void *priv __maybe_unused)
-{
- return fprintf(fp, " %-32s %s\n", name, val);
-}
-
-static void perf_evsel__remove_fd(struct perf_evsel *pos,
+static void perf_evsel__remove_fd(struct evsel *pos,
int nr_cpus, int nr_threads,
int thread_idx)
{
@@ -1678,11 +1585,11 @@
FD(pos, cpu, thread) = FD(pos, cpu, thread + 1);
}
-static int update_fds(struct perf_evsel *evsel,
+static int update_fds(struct evsel *evsel,
int nr_cpus, int cpu_idx,
int nr_threads, int thread_idx)
{
- struct perf_evsel *pos;
+ struct evsel *pos;
if (cpu_idx >= nr_cpus || thread_idx >= nr_threads)
return -EINVAL;
@@ -1702,18 +1609,18 @@
return 0;
}
-static bool ignore_missing_thread(struct perf_evsel *evsel,
+static bool ignore_missing_thread(struct evsel *evsel,
int nr_cpus, int cpu,
- struct thread_map *threads,
+ struct perf_thread_map *threads,
int thread, int err)
{
- pid_t ignore_pid = thread_map__pid(threads, thread);
+ pid_t ignore_pid = perf_thread_map__pid(threads, thread);
if (!evsel->ignore_missing_thread)
return false;
/* The system wide setup does not work with threads. */
- if (evsel->system_wide)
+ if (evsel->core.system_wide)
return false;
/* The -ESRCH is perf event syscall errno for pid's not found. */
@@ -1739,22 +1646,77 @@
return true;
}
-int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
- struct thread_map *threads)
+static int __open_attr__fprintf(FILE *fp, const char *name, const char *val,
+ void *priv __maybe_unused)
+{
+ return fprintf(fp, " %-32s %s\n", name, val);
+}
+
+static void display_attr(struct perf_event_attr *attr)
+{
+ if (verbose >= 2 || debug_peo_args) {
+ fprintf(stderr, "%.60s\n", graph_dotted_line);
+ fprintf(stderr, "perf_event_attr:\n");
+ perf_event_attr__fprintf(stderr, attr, __open_attr__fprintf, NULL);
+ fprintf(stderr, "%.60s\n", graph_dotted_line);
+ }
+}
+
+static int perf_event_open(struct evsel *evsel,
+ pid_t pid, int cpu, int group_fd,
+ unsigned long flags)
+{
+ int precise_ip = evsel->core.attr.precise_ip;
+ int fd;
+
+ while (1) {
+ pr_debug2_peo("sys_perf_event_open: pid %d cpu %d group_fd %d flags %#lx",
+ pid, cpu, group_fd, flags);
+
+ fd = sys_perf_event_open(&evsel->core.attr, pid, cpu, group_fd, flags);
+ if (fd >= 0)
+ break;
+
+ /* Do not try less precise if not requested. */
+ if (!evsel->precise_max)
+ break;
+
+ /*
+ * We tried all the precise_ip values, and it's
+ * still failing, so leave it to standard fallback.
+ */
+ if (!evsel->core.attr.precise_ip) {
+ evsel->core.attr.precise_ip = precise_ip;
+ break;
+ }
+
+ pr_debug2_peo("\nsys_perf_event_open failed, error %d\n", -ENOTSUP);
+ evsel->core.attr.precise_ip--;
+ pr_debug2_peo("decreasing precise_ip by one (%d)\n", evsel->core.attr.precise_ip);
+ display_attr(&evsel->core.attr);
+ }
+
+ return fd;
+}
+
+static int evsel__open_cpu(struct evsel *evsel, struct perf_cpu_map *cpus,
+ struct perf_thread_map *threads,
+ int start_cpu, int end_cpu)
{
int cpu, thread, nthreads;
unsigned long flags = PERF_FLAG_FD_CLOEXEC;
- int pid = -1, err;
+ int pid = -1, err, old_errno;
enum { NO_CHANGE, SET_TO_MAX, INCREASED_MAX } set_rlimit = NO_CHANGE;
- if (perf_missing_features.write_backward && evsel->attr.write_backward)
+ if ((perf_missing_features.write_backward && evsel->core.attr.write_backward) ||
+ (perf_missing_features.aux_output && evsel->core.attr.aux_output))
return -EINVAL;
if (cpus == NULL) {
- static struct cpu_map *empty_cpu_map;
+ static struct perf_cpu_map *empty_cpu_map;
if (empty_cpu_map == NULL) {
- empty_cpu_map = cpu_map__dummy_new();
+ empty_cpu_map = perf_cpu_map__dummy_new();
if (empty_cpu_map == NULL)
return -ENOMEM;
}
@@ -1763,7 +1725,7 @@
}
if (threads == NULL) {
- static struct thread_map *empty_thread_map;
+ static struct perf_thread_map *empty_thread_map;
if (empty_thread_map == NULL) {
empty_thread_map = thread_map__new_by_tid(-1);
@@ -1774,13 +1736,13 @@
threads = empty_thread_map;
}
- if (evsel->system_wide)
+ if (evsel->core.system_wide)
nthreads = 1;
else
nthreads = threads->nr;
- if (evsel->fd == NULL &&
- perf_evsel__alloc_fd(evsel, cpus->nr, nthreads) < 0)
+ if (evsel->core.fd == NULL &&
+ perf_evsel__alloc_fd(&evsel->core, cpus->nr, nthreads) < 0)
return -ENOMEM;
if (evsel->cgrp) {
@@ -1790,52 +1752,55 @@
fallback_missing_features:
if (perf_missing_features.clockid_wrong)
- evsel->attr.clockid = CLOCK_MONOTONIC; /* should always work */
+ evsel->core.attr.clockid = CLOCK_MONOTONIC; /* should always work */
if (perf_missing_features.clockid) {
- evsel->attr.use_clockid = 0;
- evsel->attr.clockid = 0;
+ evsel->core.attr.use_clockid = 0;
+ evsel->core.attr.clockid = 0;
}
if (perf_missing_features.cloexec)
flags &= ~(unsigned long)PERF_FLAG_FD_CLOEXEC;
if (perf_missing_features.mmap2)
- evsel->attr.mmap2 = 0;
+ evsel->core.attr.mmap2 = 0;
if (perf_missing_features.exclude_guest)
- evsel->attr.exclude_guest = evsel->attr.exclude_host = 0;
+ evsel->core.attr.exclude_guest = evsel->core.attr.exclude_host = 0;
if (perf_missing_features.lbr_flags)
- evsel->attr.branch_sample_type &= ~(PERF_SAMPLE_BRANCH_NO_FLAGS |
+ evsel->core.attr.branch_sample_type &= ~(PERF_SAMPLE_BRANCH_NO_FLAGS |
PERF_SAMPLE_BRANCH_NO_CYCLES);
- if (perf_missing_features.group_read && evsel->attr.inherit)
- evsel->attr.read_format &= ~(PERF_FORMAT_GROUP|PERF_FORMAT_ID);
+ if (perf_missing_features.group_read && evsel->core.attr.inherit)
+ evsel->core.attr.read_format &= ~(PERF_FORMAT_GROUP|PERF_FORMAT_ID);
+ if (perf_missing_features.ksymbol)
+ evsel->core.attr.ksymbol = 0;
+ if (perf_missing_features.bpf)
+ evsel->core.attr.bpf_event = 0;
+ if (perf_missing_features.branch_hw_idx)
+ evsel->core.attr.branch_sample_type &= ~PERF_SAMPLE_BRANCH_HW_INDEX;
retry_sample_id:
if (perf_missing_features.sample_id_all)
- evsel->attr.sample_id_all = 0;
+ evsel->core.attr.sample_id_all = 0;
- if (verbose >= 2) {
- fprintf(stderr, "%.60s\n", graph_dotted_line);
- fprintf(stderr, "perf_event_attr:\n");
- perf_event_attr__fprintf(stderr, &evsel->attr, __open_attr__fprintf, NULL);
- fprintf(stderr, "%.60s\n", graph_dotted_line);
- }
+ display_attr(&evsel->core.attr);
- for (cpu = 0; cpu < cpus->nr; cpu++) {
+ for (cpu = start_cpu; cpu < end_cpu; cpu++) {
for (thread = 0; thread < nthreads; thread++) {
int fd, group_fd;
- if (!evsel->cgrp && !evsel->system_wide)
- pid = thread_map__pid(threads, thread);
+ if (!evsel->cgrp && !evsel->core.system_wide)
+ pid = perf_thread_map__pid(threads, thread);
group_fd = get_group_fd(evsel, cpu, thread);
retry_open:
- pr_debug2("sys_perf_event_open: pid %d cpu %d group_fd %d flags %#lx",
- pid, cpus->map[cpu], group_fd, flags);
-
test_attr__ready();
- fd = sys_perf_event_open(&evsel->attr, pid, cpus->map[cpu],
- group_fd, flags);
+ fd = perf_event_open(evsel, pid, cpus->map[cpu],
+ group_fd, flags);
FD(evsel, cpu, thread) = fd;
+
+ if (unlikely(test_attr__enabled)) {
+ test_attr__open(&evsel->core.attr, pid, cpus->map[cpu],
+ fd, group_fd, flags);
+ }
if (fd < 0) {
err = -errno;
@@ -1854,12 +1819,12 @@
continue;
}
- pr_debug2("\nsys_perf_event_open failed, error %d\n",
+ pr_debug2_peo("\nsys_perf_event_open failed, error %d\n",
err);
goto try_fallback;
}
- pr_debug2(" = %d\n", fd);
+ pr_debug2_peo(" = %d\n", fd);
if (evsel->bpf_fd >= 0) {
int evt_fd = fd;
@@ -1880,8 +1845,7 @@
/*
* If we succeeded but had to kill clockid, fail and
- * have perf_evsel__open_strerror() print us a nice
- * error.
+ * have evsel__open_strerror() print us a nice error.
*/
if (perf_missing_features.clockid ||
perf_missing_features.clockid_wrong) {
@@ -1900,8 +1864,8 @@
*/
if (err == -EMFILE && set_rlimit < INCREASED_MAX) {
struct rlimit l;
- int old_errno = errno;
+ old_errno = errno;
if (getrlimit(RLIMIT_NOFILE, &l) == 0) {
if (set_rlimit == NO_CHANGE)
l.rlim_cur = l.rlim_max;
@@ -1925,91 +1889,120 @@
* Must probe features in the order they were added to the
* perf_event_attr interface.
*/
- if (!perf_missing_features.write_backward && evsel->attr.write_backward) {
- perf_missing_features.write_backward = true;
- pr_debug2("switching off write_backward\n");
+ if (!perf_missing_features.cgroup && evsel->core.attr.cgroup) {
+ perf_missing_features.cgroup = true;
+ pr_debug2_peo("Kernel has no cgroup sampling support, bailing out\n");
goto out_close;
- } else if (!perf_missing_features.clockid_wrong && evsel->attr.use_clockid) {
- perf_missing_features.clockid_wrong = true;
- pr_debug2("switching off clockid\n");
+ } else if (!perf_missing_features.branch_hw_idx &&
+ (evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_HW_INDEX)) {
+ perf_missing_features.branch_hw_idx = true;
+ pr_debug2("switching off branch HW index support\n");
goto fallback_missing_features;
- } else if (!perf_missing_features.clockid && evsel->attr.use_clockid) {
+ } else if (!perf_missing_features.aux_output && evsel->core.attr.aux_output) {
+ perf_missing_features.aux_output = true;
+ pr_debug2_peo("Kernel has no attr.aux_output support, bailing out\n");
+ goto out_close;
+ } else if (!perf_missing_features.bpf && evsel->core.attr.bpf_event) {
+ perf_missing_features.bpf = true;
+ pr_debug2_peo("switching off bpf_event\n");
+ goto fallback_missing_features;
+ } else if (!perf_missing_features.ksymbol && evsel->core.attr.ksymbol) {
+ perf_missing_features.ksymbol = true;
+ pr_debug2_peo("switching off ksymbol\n");
+ goto fallback_missing_features;
+ } else if (!perf_missing_features.write_backward && evsel->core.attr.write_backward) {
+ perf_missing_features.write_backward = true;
+ pr_debug2_peo("switching off write_backward\n");
+ goto out_close;
+ } else if (!perf_missing_features.clockid_wrong && evsel->core.attr.use_clockid) {
+ perf_missing_features.clockid_wrong = true;
+ pr_debug2_peo("switching off clockid\n");
+ goto fallback_missing_features;
+ } else if (!perf_missing_features.clockid && evsel->core.attr.use_clockid) {
perf_missing_features.clockid = true;
- pr_debug2("switching off use_clockid\n");
+ pr_debug2_peo("switching off use_clockid\n");
goto fallback_missing_features;
} else if (!perf_missing_features.cloexec && (flags & PERF_FLAG_FD_CLOEXEC)) {
perf_missing_features.cloexec = true;
- pr_debug2("switching off cloexec flag\n");
+ pr_debug2_peo("switching off cloexec flag\n");
goto fallback_missing_features;
- } else if (!perf_missing_features.mmap2 && evsel->attr.mmap2) {
+ } else if (!perf_missing_features.mmap2 && evsel->core.attr.mmap2) {
perf_missing_features.mmap2 = true;
- pr_debug2("switching off mmap2\n");
+ pr_debug2_peo("switching off mmap2\n");
goto fallback_missing_features;
} else if (!perf_missing_features.exclude_guest &&
- (evsel->attr.exclude_guest || evsel->attr.exclude_host)) {
+ (evsel->core.attr.exclude_guest || evsel->core.attr.exclude_host)) {
perf_missing_features.exclude_guest = true;
- pr_debug2("switching off exclude_guest, exclude_host\n");
+ pr_debug2_peo("switching off exclude_guest, exclude_host\n");
goto fallback_missing_features;
} else if (!perf_missing_features.sample_id_all) {
perf_missing_features.sample_id_all = true;
- pr_debug2("switching off sample_id_all\n");
+ pr_debug2_peo("switching off sample_id_all\n");
goto retry_sample_id;
} else if (!perf_missing_features.lbr_flags &&
- (evsel->attr.branch_sample_type &
+ (evsel->core.attr.branch_sample_type &
(PERF_SAMPLE_BRANCH_NO_CYCLES |
PERF_SAMPLE_BRANCH_NO_FLAGS))) {
perf_missing_features.lbr_flags = true;
- pr_debug2("switching off branch sample type no (cycles/flags)\n");
+ pr_debug2_peo("switching off branch sample type no (cycles/flags)\n");
goto fallback_missing_features;
} else if (!perf_missing_features.group_read &&
- evsel->attr.inherit &&
- (evsel->attr.read_format & PERF_FORMAT_GROUP) &&
- perf_evsel__is_group_leader(evsel)) {
+ evsel->core.attr.inherit &&
+ (evsel->core.attr.read_format & PERF_FORMAT_GROUP) &&
+ evsel__is_group_leader(evsel)) {
perf_missing_features.group_read = true;
- pr_debug2("switching off group read\n");
+ pr_debug2_peo("switching off group read\n");
goto fallback_missing_features;
}
out_close:
if (err)
threads->err_thread = thread;
+ old_errno = errno;
do {
while (--thread >= 0) {
- close(FD(evsel, cpu, thread));
+ if (FD(evsel, cpu, thread) >= 0)
+ close(FD(evsel, cpu, thread));
FD(evsel, cpu, thread) = -1;
}
thread = nthreads;
} while (--cpu >= 0);
+ errno = old_errno;
return err;
}
-void perf_evsel__close(struct perf_evsel *evsel)
+int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus,
+ struct perf_thread_map *threads)
{
- if (evsel->fd == NULL)
- return;
-
- perf_evsel__close_fd(evsel);
- perf_evsel__free_fd(evsel);
+ return evsel__open_cpu(evsel, cpus, threads, 0, cpus ? cpus->nr : 1);
}
-int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
- struct cpu_map *cpus)
+void evsel__close(struct evsel *evsel)
{
- return perf_evsel__open(evsel, cpus, NULL);
+ perf_evsel__close(&evsel->core);
+ perf_evsel__free_id(&evsel->core);
}
-int perf_evsel__open_per_thread(struct perf_evsel *evsel,
- struct thread_map *threads)
+int evsel__open_per_cpu(struct evsel *evsel, struct perf_cpu_map *cpus, int cpu)
{
- return perf_evsel__open(evsel, NULL, threads);
+ if (cpu == -1)
+ return evsel__open_cpu(evsel, cpus, NULL, 0,
+ cpus ? cpus->nr : 1);
+
+ return evsel__open_cpu(evsel, cpus, NULL, cpu, cpu + 1);
}
-static int perf_evsel__parse_id_sample(const struct perf_evsel *evsel,
+int evsel__open_per_thread(struct evsel *evsel, struct perf_thread_map *threads)
+{
+ return evsel__open(evsel, NULL, threads);
+}
+
+static int perf_evsel__parse_id_sample(const struct evsel *evsel,
const union perf_event *event,
struct perf_sample *sample)
{
- u64 type = evsel->attr.sample_type;
- const u64 *array = event->sample.array;
+ u64 type = evsel->core.attr.sample_type;
+ const __u64 *array = event->sample.array;
bool swapped = evsel->needs_swap;
union u64_swap u;
@@ -2094,12 +2087,12 @@
return 0;
}
-int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
- struct perf_sample *data)
+int evsel__parse_sample(struct evsel *evsel, union perf_event *event,
+ struct perf_sample *data)
{
- u64 type = evsel->attr.sample_type;
+ u64 type = evsel->core.attr.sample_type;
bool swapped = evsel->needs_swap;
- const u64 *array;
+ const __u64 *array;
u16 max_size = event->header.size;
const void *endp = (void *)event + max_size;
u64 sz;
@@ -2113,14 +2106,14 @@
memset(data, 0, sizeof(*data));
data->cpu = data->pid = data->tid = -1;
data->stream_id = data->id = data->time = -1ULL;
- data->period = evsel->attr.sample_period;
+ data->period = evsel->core.attr.sample_period;
data->cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
data->misc = event->header.misc;
data->id = -1ULL;
data->data_src = PERF_MEM_DATA_SRC_NONE;
if (event->header.type != PERF_RECORD_SAMPLE) {
- if (!evsel->attr.sample_id_all)
+ if (!evsel->core.attr.sample_id_all)
return 0;
return perf_evsel__parse_id_sample(evsel, event, data);
}
@@ -2193,7 +2186,7 @@
}
if (type & PERF_SAMPLE_READ) {
- u64 read_format = evsel->attr.read_format;
+ u64 read_format = evsel->core.attr.read_format;
OVERFLOW_CHECK_u64(array);
if (read_format & PERF_FORMAT_GROUP)
@@ -2235,7 +2228,7 @@
}
}
- if (evsel__has_callchain(evsel)) {
+ if (type & PERF_SAMPLE_CALLCHAIN) {
const u64 max_callchain_nr = UINT64_MAX / sizeof(u64);
OVERFLOW_CHECK_u64(array);
@@ -2287,7 +2280,12 @@
if (data->branch_stack->nr > max_branch_nr)
return -EFAULT;
+
sz = data->branch_stack->nr * sizeof(struct branch_entry);
+ if (evsel__has_branch_hw_idx(evsel))
+ sz += sizeof(u64);
+ else
+ data->no_hw_idx = true;
OVERFLOW_CHECK(array, sz, max_size);
array = (void *)array + sz;
}
@@ -2298,9 +2296,9 @@
array++;
if (data->user_regs.abi) {
- u64 mask = evsel->attr.sample_regs_user;
+ u64 mask = evsel->core.attr.sample_regs_user;
- sz = hweight_long(mask) * sizeof(u64);
+ sz = hweight64(mask) * sizeof(u64);
OVERFLOW_CHECK(array, sz, max_size);
data->user_regs.mask = mask;
data->user_regs.regs = (u64 *)array;
@@ -2354,9 +2352,9 @@
array++;
if (data->intr_regs.abi != PERF_SAMPLE_REGS_ABI_NONE) {
- u64 mask = evsel->attr.sample_regs_intr;
+ u64 mask = evsel->core.attr.sample_regs_intr;
- sz = hweight_long(mask) * sizeof(u64);
+ sz = hweight64(mask) * sizeof(u64);
OVERFLOW_CHECK(array, sz, max_size);
data->intr_regs.mask = mask;
data->intr_regs.regs = (u64 *)array;
@@ -2370,15 +2368,33 @@
array++;
}
+ data->cgroup = 0;
+ if (type & PERF_SAMPLE_CGROUP) {
+ data->cgroup = *array;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_AUX) {
+ OVERFLOW_CHECK_u64(array);
+ sz = *array++;
+
+ OVERFLOW_CHECK(array, sz, max_size);
+ /* Undo swap of data */
+ if (swapped)
+ mem_bswap_64((char *)array, sz);
+ data->aux_sample.size = sz;
+ data->aux_sample.data = (char *)array;
+ array = (void *)array + sz;
+ }
+
return 0;
}
-int perf_evsel__parse_sample_timestamp(struct perf_evsel *evsel,
- union perf_event *event,
- u64 *timestamp)
+int evsel__parse_sample_timestamp(struct evsel *evsel, union perf_event *event,
+ u64 *timestamp)
{
- u64 type = evsel->attr.sample_type;
- const u64 *array;
+ u64 type = evsel->core.attr.sample_type;
+ const __u64 *array;
if (!(type & PERF_SAMPLE_TIME))
return -1;
@@ -2388,7 +2404,7 @@
.time = -1ULL,
};
- if (!evsel->attr.sample_id_all)
+ if (!evsel->core.attr.sample_id_all)
return -1;
if (perf_evsel__parse_id_sample(evsel, event, &data))
return -1;
@@ -2417,292 +2433,14 @@
return 0;
}
-size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
- u64 read_format)
-{
- size_t sz, result = sizeof(struct sample_event);
-
- if (type & PERF_SAMPLE_IDENTIFIER)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_IP)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_TID)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_TIME)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_ADDR)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_ID)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_STREAM_ID)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_CPU)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_PERIOD)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_READ) {
- result += sizeof(u64);
- if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
- result += sizeof(u64);
- if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
- result += sizeof(u64);
- /* PERF_FORMAT_ID is forced for PERF_SAMPLE_READ */
- if (read_format & PERF_FORMAT_GROUP) {
- sz = sample->read.group.nr *
- sizeof(struct sample_read_value);
- result += sz;
- } else {
- result += sizeof(u64);
- }
- }
-
- if (type & PERF_SAMPLE_CALLCHAIN) {
- sz = (sample->callchain->nr + 1) * sizeof(u64);
- result += sz;
- }
-
- if (type & PERF_SAMPLE_RAW) {
- result += sizeof(u32);
- result += sample->raw_size;
- }
-
- if (type & PERF_SAMPLE_BRANCH_STACK) {
- sz = sample->branch_stack->nr * sizeof(struct branch_entry);
- sz += sizeof(u64);
- result += sz;
- }
-
- if (type & PERF_SAMPLE_REGS_USER) {
- if (sample->user_regs.abi) {
- result += sizeof(u64);
- sz = hweight_long(sample->user_regs.mask) * sizeof(u64);
- result += sz;
- } else {
- result += sizeof(u64);
- }
- }
-
- if (type & PERF_SAMPLE_STACK_USER) {
- sz = sample->user_stack.size;
- result += sizeof(u64);
- if (sz) {
- result += sz;
- result += sizeof(u64);
- }
- }
-
- if (type & PERF_SAMPLE_WEIGHT)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_DATA_SRC)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_TRANSACTION)
- result += sizeof(u64);
-
- if (type & PERF_SAMPLE_REGS_INTR) {
- if (sample->intr_regs.abi) {
- result += sizeof(u64);
- sz = hweight_long(sample->intr_regs.mask) * sizeof(u64);
- result += sz;
- } else {
- result += sizeof(u64);
- }
- }
-
- if (type & PERF_SAMPLE_PHYS_ADDR)
- result += sizeof(u64);
-
- return result;
-}
-
-int perf_event__synthesize_sample(union perf_event *event, u64 type,
- u64 read_format,
- const struct perf_sample *sample)
-{
- u64 *array;
- size_t sz;
- /*
- * used for cross-endian analysis. See git commit 65014ab3
- * for why this goofiness is needed.
- */
- union u64_swap u;
-
- array = event->sample.array;
-
- if (type & PERF_SAMPLE_IDENTIFIER) {
- *array = sample->id;
- array++;
- }
-
- if (type & PERF_SAMPLE_IP) {
- *array = sample->ip;
- array++;
- }
-
- if (type & PERF_SAMPLE_TID) {
- u.val32[0] = sample->pid;
- u.val32[1] = sample->tid;
- *array = u.val64;
- array++;
- }
-
- if (type & PERF_SAMPLE_TIME) {
- *array = sample->time;
- array++;
- }
-
- if (type & PERF_SAMPLE_ADDR) {
- *array = sample->addr;
- array++;
- }
-
- if (type & PERF_SAMPLE_ID) {
- *array = sample->id;
- array++;
- }
-
- if (type & PERF_SAMPLE_STREAM_ID) {
- *array = sample->stream_id;
- array++;
- }
-
- if (type & PERF_SAMPLE_CPU) {
- u.val32[0] = sample->cpu;
- u.val32[1] = 0;
- *array = u.val64;
- array++;
- }
-
- if (type & PERF_SAMPLE_PERIOD) {
- *array = sample->period;
- array++;
- }
-
- if (type & PERF_SAMPLE_READ) {
- if (read_format & PERF_FORMAT_GROUP)
- *array = sample->read.group.nr;
- else
- *array = sample->read.one.value;
- array++;
-
- if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) {
- *array = sample->read.time_enabled;
- array++;
- }
-
- if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) {
- *array = sample->read.time_running;
- array++;
- }
-
- /* PERF_FORMAT_ID is forced for PERF_SAMPLE_READ */
- if (read_format & PERF_FORMAT_GROUP) {
- sz = sample->read.group.nr *
- sizeof(struct sample_read_value);
- memcpy(array, sample->read.group.values, sz);
- array = (void *)array + sz;
- } else {
- *array = sample->read.one.id;
- array++;
- }
- }
-
- if (type & PERF_SAMPLE_CALLCHAIN) {
- sz = (sample->callchain->nr + 1) * sizeof(u64);
- memcpy(array, sample->callchain, sz);
- array = (void *)array + sz;
- }
-
- if (type & PERF_SAMPLE_RAW) {
- u.val32[0] = sample->raw_size;
- *array = u.val64;
- array = (void *)array + sizeof(u32);
-
- memcpy(array, sample->raw_data, sample->raw_size);
- array = (void *)array + sample->raw_size;
- }
-
- if (type & PERF_SAMPLE_BRANCH_STACK) {
- sz = sample->branch_stack->nr * sizeof(struct branch_entry);
- sz += sizeof(u64);
- memcpy(array, sample->branch_stack, sz);
- array = (void *)array + sz;
- }
-
- if (type & PERF_SAMPLE_REGS_USER) {
- if (sample->user_regs.abi) {
- *array++ = sample->user_regs.abi;
- sz = hweight_long(sample->user_regs.mask) * sizeof(u64);
- memcpy(array, sample->user_regs.regs, sz);
- array = (void *)array + sz;
- } else {
- *array++ = 0;
- }
- }
-
- if (type & PERF_SAMPLE_STACK_USER) {
- sz = sample->user_stack.size;
- *array++ = sz;
- if (sz) {
- memcpy(array, sample->user_stack.data, sz);
- array = (void *)array + sz;
- *array++ = sz;
- }
- }
-
- if (type & PERF_SAMPLE_WEIGHT) {
- *array = sample->weight;
- array++;
- }
-
- if (type & PERF_SAMPLE_DATA_SRC) {
- *array = sample->data_src;
- array++;
- }
-
- if (type & PERF_SAMPLE_TRANSACTION) {
- *array = sample->transaction;
- array++;
- }
-
- if (type & PERF_SAMPLE_REGS_INTR) {
- if (sample->intr_regs.abi) {
- *array++ = sample->intr_regs.abi;
- sz = hweight_long(sample->intr_regs.mask) * sizeof(u64);
- memcpy(array, sample->intr_regs.regs, sz);
- array = (void *)array + sz;
- } else {
- *array++ = 0;
- }
- }
-
- if (type & PERF_SAMPLE_PHYS_ADDR) {
- *array = sample->phys_addr;
- array++;
- }
-
- return 0;
-}
-
-struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name)
+struct tep_format_field *evsel__field(struct evsel *evsel, const char *name)
{
return tep_find_field(evsel->tp_format, name);
}
-void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
- const char *name)
+void *evsel__rawptr(struct evsel *evsel, struct perf_sample *sample, const char *name)
{
- struct format_field *field = perf_evsel__field(evsel, name);
+ struct tep_format_field *field = evsel__field(evsel, name);
int offset;
if (!field)
@@ -2710,7 +2448,7 @@
offset = field->offset;
- if (field->flags & FIELD_IS_DYNAMIC) {
+ if (field->flags & TEP_FIELD_IS_DYNAMIC) {
offset = *(int *)(sample->raw_data + field->offset);
offset &= 0xffff;
}
@@ -2718,7 +2456,7 @@
return sample->raw_data + offset;
}
-u64 format_field__intval(struct format_field *field, struct perf_sample *sample,
+u64 format_field__intval(struct tep_format_field *field, struct perf_sample *sample,
bool needs_swap)
{
u64 value;
@@ -2757,10 +2495,9 @@
return 0;
}
-u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
- const char *name)
+u64 evsel__intval(struct evsel *evsel, struct perf_sample *sample, const char *name)
{
- struct format_field *field = perf_evsel__field(evsel, name);
+ struct tep_format_field *field = evsel__field(evsel, name);
if (!field)
return 0;
@@ -2768,14 +2505,13 @@
return field ? format_field__intval(field, sample, evsel->needs_swap) : 0;
}
-bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
- char *msg, size_t msgsize)
+bool evsel__fallback(struct evsel *evsel, int err, char *msg, size_t msgsize)
{
int paranoid;
if ((err == ENOENT || err == ENXIO || err == ENODEV) &&
- evsel->attr.type == PERF_TYPE_HARDWARE &&
- evsel->attr.config == PERF_COUNT_HW_CPU_CYCLES) {
+ evsel->core.attr.type == PERF_TYPE_HARDWARE &&
+ evsel->core.attr.config == PERF_COUNT_HW_CPU_CYCLES) {
/*
* If it's cycles then fall back to hrtimer based
* cpu-clock-tick sw counter, which is always available even if
@@ -2787,20 +2523,24 @@
scnprintf(msg, msgsize, "%s",
"The cycles event is not supported, trying to fall back to cpu-clock-ticks");
- evsel->attr.type = PERF_TYPE_SOFTWARE;
- evsel->attr.config = PERF_COUNT_SW_CPU_CLOCK;
+ evsel->core.attr.type = PERF_TYPE_SOFTWARE;
+ evsel->core.attr.config = PERF_COUNT_SW_CPU_CLOCK;
zfree(&evsel->name);
return true;
- } else if (err == EACCES && !evsel->attr.exclude_kernel &&
+ } else if (err == EACCES && !evsel->core.attr.exclude_kernel &&
(paranoid = perf_event_paranoid()) > 1) {
- const char *name = perf_evsel__name(evsel);
+ const char *name = evsel__name(evsel);
char *new_name;
const char *sep = ":";
+ /* If event has exclude user then don't exclude kernel. */
+ if (evsel->core.attr.exclude_user)
+ return false;
+
/* Is there already the separator in the name. */
if (strchr(name, '/') ||
- strchr(name, ':'))
+ (strchr(name, ':') && !evsel->is_libpfm_event))
sep = "";
if (asprintf(&new_name, "%s%su", name, sep) < 0)
@@ -2809,9 +2549,11 @@
if (evsel->name)
free(evsel->name);
evsel->name = new_name;
- scnprintf(msg, msgsize,
-"kernel.perf_event_paranoid=%d, trying to fall back to excluding kernel samples", paranoid);
- evsel->attr.exclude_kernel = 1;
+ scnprintf(msg, msgsize, "kernel.perf_event_paranoid=%d, trying "
+ "to fall back to excluding kernel and hypervisor "
+ " samples", paranoid);
+ evsel->core.attr.exclude_kernel = 1;
+ evsel->core.attr.exclude_hv = 1;
return true;
}
@@ -2855,39 +2597,48 @@
return ret ? false : true;
}
-int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,
- int err, char *msg, size_t size)
+int evsel__open_strerror(struct evsel *evsel, struct target *target,
+ int err, char *msg, size_t size)
{
char sbuf[STRERR_BUFSIZE];
- int printed = 0;
+ int printed = 0, enforced = 0;
switch (err) {
case EPERM:
case EACCES:
+ printed += scnprintf(msg + printed, size - printed,
+ "Access to performance monitoring and observability operations is limited.\n");
+
+ if (!sysfs__read_int("fs/selinux/enforce", &enforced)) {
+ if (enforced) {
+ printed += scnprintf(msg + printed, size - printed,
+ "Enforced MAC policy settings (SELinux) can limit access to performance\n"
+ "monitoring and observability operations. Inspect system audit records for\n"
+ "more perf_event access control information and adjusting the policy.\n");
+ }
+ }
+
if (err == EPERM)
- printed = scnprintf(msg, size,
- "No permission to enable %s event.\n\n",
- perf_evsel__name(evsel));
+ printed += scnprintf(msg, size,
+ "No permission to enable %s event.\n\n", evsel__name(evsel));
return scnprintf(msg + printed, size - printed,
- "You may not have permission to collect %sstats.\n\n"
- "Consider tweaking /proc/sys/kernel/perf_event_paranoid,\n"
- "which controls use of the performance events system by\n"
- "unprivileged users (without CAP_SYS_ADMIN).\n\n"
- "The current value is %d:\n\n"
+ "Consider adjusting /proc/sys/kernel/perf_event_paranoid setting to open\n"
+ "access to performance monitoring and observability operations for processes\n"
+ "without CAP_PERFMON, CAP_SYS_PTRACE or CAP_SYS_ADMIN Linux capability.\n"
+ "More information can be found at 'Perf events and tool security' document:\n"
+ "https://www.kernel.org/doc/html/latest/admin-guide/perf-security.html\n"
+ "perf_event_paranoid setting is %d:\n"
" -1: Allow use of (almost) all events by all users\n"
" Ignore mlock limit after perf_event_mlock_kb without CAP_IPC_LOCK\n"
- ">= 0: Disallow ftrace function tracepoint by users without CAP_SYS_ADMIN\n"
- " Disallow raw tracepoint access by users without CAP_SYS_ADMIN\n"
- ">= 1: Disallow CPU event access by users without CAP_SYS_ADMIN\n"
- ">= 2: Disallow kernel profiling by users without CAP_SYS_ADMIN\n\n"
- "To make this setting permanent, edit /etc/sysctl.conf too, e.g.:\n\n"
- " kernel.perf_event_paranoid = -1\n" ,
- target->system_wide ? "system-wide " : "",
- perf_event_paranoid());
+ ">= 0: Disallow raw and ftrace function tracepoint access\n"
+ ">= 1: Disallow CPU event access\n"
+ ">= 2: Disallow kernel profiling\n"
+ "To make the adjusted perf_event_paranoid setting permanent preserve it\n"
+ "in /etc/sysctl.conf (e.g. kernel.perf_event_paranoid = <setting>)",
+ perf_event_paranoid());
case ENOENT:
- return scnprintf(msg, size, "The %s event is not supported.",
- perf_evsel__name(evsel));
+ return scnprintf(msg, size, "The %s event is not supported.", evsel__name(evsel));
case EMFILE:
return scnprintf(msg, size, "%s",
"Too many events are opened.\n"
@@ -2908,15 +2659,19 @@
"No such device - did you specify an out-of-range profile CPU?");
break;
case EOPNOTSUPP:
- if (evsel->attr.sample_period != 0)
+ if (evsel->core.attr.aux_output)
+ return scnprintf(msg, size,
+ "%s: PMU Hardware doesn't support 'aux_output' feature",
+ evsel__name(evsel));
+ if (evsel->core.attr.sample_period != 0)
return scnprintf(msg, size,
"%s: PMU Hardware doesn't support sampling/overflow-interrupts. Try 'perf stat'",
- perf_evsel__name(evsel));
- if (evsel->attr.precise_ip)
+ evsel__name(evsel));
+ if (evsel->core.attr.precise_ip)
return scnprintf(msg, size, "%s",
"\'precise\' request may not be supported. Try removing 'p' modifier.");
#if defined(__i386__) || defined(__x86_64__)
- if (evsel->attr.type == PERF_TYPE_HARDWARE)
+ if (evsel->core.attr.type == PERF_TYPE_HARDWARE)
return scnprintf(msg, size, "%s",
"No hardware sampling interrupt available.\n");
#endif
@@ -2928,12 +2683,14 @@
"We found oprofile daemon running, please stop it and try again.");
break;
case EINVAL:
- if (evsel->attr.write_backward && perf_missing_features.write_backward)
+ if (evsel->core.attr.write_backward && perf_missing_features.write_backward)
return scnprintf(msg, size, "Reading from overwrite event is not supported by this kernel.");
if (perf_missing_features.clockid)
return scnprintf(msg, size, "clockid feature not supported.");
if (perf_missing_features.clockid_wrong)
return scnprintf(msg, size, "wrong clockid (%d).", clockid);
+ if (perf_missing_features.aux_output)
+ return scnprintf(msg, size, "The 'aux_output' feature is not supported, update the kernel.");
break;
default:
break;
@@ -2942,13 +2699,41 @@
return scnprintf(msg, size,
"The sys_perf_event_open() syscall returned with %d (%s) for event (%s).\n"
"/bin/dmesg | grep -i perf may provide additional information.\n",
- err, str_error_r(err, sbuf, sizeof(sbuf)),
- perf_evsel__name(evsel));
+ err, str_error_r(err, sbuf, sizeof(sbuf)), evsel__name(evsel));
}
-struct perf_env *perf_evsel__env(struct perf_evsel *evsel)
+struct perf_env *evsel__env(struct evsel *evsel)
{
if (evsel && evsel->evlist)
return evsel->evlist->env;
- return NULL;
+ return &perf_env;
+}
+
+static int store_evsel_ids(struct evsel *evsel, struct evlist *evlist)
+{
+ int cpu, thread;
+
+ for (cpu = 0; cpu < xyarray__max_x(evsel->core.fd); cpu++) {
+ for (thread = 0; thread < xyarray__max_y(evsel->core.fd);
+ thread++) {
+ int fd = FD(evsel, cpu, thread);
+
+ if (perf_evlist__id_add_fd(&evlist->core, &evsel->core,
+ cpu, thread, fd) < 0)
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+int evsel__store_ids(struct evsel *evsel, struct evlist *evlist)
+{
+ struct perf_cpu_map *cpus = evsel->core.cpus;
+ struct perf_thread_map *threads = evsel->core.threads;
+
+ if (perf_evsel__alloc_id(&evsel->core, cpus->nr, threads->nr))
+ return -ENOMEM;
+
+ return store_evsel_ids(evsel, evlist);
}
--
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