From: Jin Yao <yao.jin@linux.intel.com>
To: acme@kernel.org, jolsa@kernel.org, peterz@infradead.org,
mingo@redhat.com, alexander.shishkin@linux.intel.com
Cc: Linux-kernel@vger.kernel.org, ak@linux.intel.com,
kan.liang@intel.com, yao.jin@intel.com,
Jin Yao <yao.jin@linux.intel.com>
Subject: [PATCH v2 13/27] perf evlist: Create two hybrid 'cycles' events by default
Date: Thu, 11 Mar 2021 15:07:28 +0800 [thread overview]
Message-ID: <20210311070742.9318-14-yao.jin@linux.intel.com> (raw)
In-Reply-To: <20210311070742.9318-1-yao.jin@linux.intel.com>
When evlist is empty, for example no '-e' specified in perf record,
one default 'cycles' event is added to evlist.
While on hybrid platform, it needs to create two default 'cycles'
events. One is for core, the other is for atom.
This patch actually calls evsel__new_cycles() two times to create
two 'cycles' events.
root@ssp-pwrt-002:~# ./perf record -vv -- sleep 1
...
------------------------------------------------------------
perf_event_attr:
type 6
size 120
config 0x400000000
{ sample_period, sample_freq } 4000
sample_type IP|TID|TIME|ID|PERIOD
read_format ID
disabled 1
inherit 1
mmap 1
comm 1
freq 1
enable_on_exec 1
task 1
precise_ip 3
sample_id_all 1
exclude_guest 1
mmap2 1
comm_exec 1
ksymbol 1
bpf_event 1
------------------------------------------------------------
sys_perf_event_open: pid 22300 cpu 0 group_fd -1 flags 0x8 = 5
sys_perf_event_open: pid 22300 cpu 1 group_fd -1 flags 0x8 = 6
sys_perf_event_open: pid 22300 cpu 2 group_fd -1 flags 0x8 = 7
sys_perf_event_open: pid 22300 cpu 3 group_fd -1 flags 0x8 = 9
sys_perf_event_open: pid 22300 cpu 4 group_fd -1 flags 0x8 = 10
sys_perf_event_open: pid 22300 cpu 5 group_fd -1 flags 0x8 = 11
sys_perf_event_open: pid 22300 cpu 6 group_fd -1 flags 0x8 = 12
sys_perf_event_open: pid 22300 cpu 7 group_fd -1 flags 0x8 = 13
sys_perf_event_open: pid 22300 cpu 8 group_fd -1 flags 0x8 = 14
sys_perf_event_open: pid 22300 cpu 9 group_fd -1 flags 0x8 = 15
sys_perf_event_open: pid 22300 cpu 10 group_fd -1 flags 0x8 = 16
sys_perf_event_open: pid 22300 cpu 11 group_fd -1 flags 0x8 = 17
sys_perf_event_open: pid 22300 cpu 12 group_fd -1 flags 0x8 = 18
sys_perf_event_open: pid 22300 cpu 13 group_fd -1 flags 0x8 = 19
sys_perf_event_open: pid 22300 cpu 14 group_fd -1 flags 0x8 = 20
sys_perf_event_open: pid 22300 cpu 15 group_fd -1 flags 0x8 = 21
------------------------------------------------------------
perf_event_attr:
type 6
size 120
config 0xa00000000
{ sample_period, sample_freq } 4000
sample_type IP|TID|TIME|ID|PERIOD
read_format ID
disabled 1
inherit 1
freq 1
enable_on_exec 1
precise_ip 3
sample_id_all 1
exclude_guest 1
------------------------------------------------------------
sys_perf_event_open: pid 22300 cpu 16 group_fd -1 flags 0x8 = 22
sys_perf_event_open: pid 22300 cpu 17 group_fd -1 flags 0x8 = 23
sys_perf_event_open: pid 22300 cpu 18 group_fd -1 flags 0x8 = 24
sys_perf_event_open: pid 22300 cpu 19 group_fd -1 flags 0x8 = 25
sys_perf_event_open: pid 22300 cpu 20 group_fd -1 flags 0x8 = 26
sys_perf_event_open: pid 22300 cpu 21 group_fd -1 flags 0x8 = 27
sys_perf_event_open: pid 22300 cpu 22 group_fd -1 flags 0x8 = 28
sys_perf_event_open: pid 22300 cpu 23 group_fd -1 flags 0x8 = 29
...
We can see one core 'cycles' (0x400000000) is enabled on cpu0-cpu15
and atom 'cycles' (0xa00000000) is enabled on cpu16-cpu23.
Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
---
tools/perf/builtin-record.c | 10 ++++++----
tools/perf/util/evlist.c | 32 +++++++++++++++++++++++++++++++-
tools/perf/util/evsel.c | 6 +++---
tools/perf/util/evsel.h | 2 +-
4 files changed, 41 insertions(+), 9 deletions(-)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 35465d1db6dd..363ea1047148 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -2786,10 +2786,12 @@ int cmd_record(int argc, const char **argv)
if (record.opts.overwrite)
record.opts.tail_synthesize = true;
- if (rec->evlist->core.nr_entries == 0 &&
- __evlist__add_default(rec->evlist, !record.opts.no_samples) < 0) {
- pr_err("Not enough memory for event selector list\n");
- goto out;
+ if (rec->evlist->core.nr_entries == 0) {
+ perf_pmu__scan(NULL);
+ if (__evlist__add_default(rec->evlist, !record.opts.no_samples) < 0) {
+ pr_err("Not enough memory for event selector list\n");
+ goto out;
+ }
}
if (rec->opts.target.tid && !rec->opts.no_inherit_set)
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 3ee12fcd0c9f..f139151b9433 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -244,10 +244,40 @@ void evlist__set_leader(struct evlist *evlist)
}
}
+static int __evlist__add_hybrid_default(struct evlist *evlist, bool precise)
+{
+ struct evsel *evsel;
+ struct perf_pmu *pmu;
+ __u64 config;
+ struct perf_cpu_map *cpus;
+
+ perf_pmu__for_each_hybrid_pmu(pmu) {
+ config = PERF_COUNT_HW_CPU_CYCLES |
+ ((__u64)pmu->type << PERF_PMU_TYPE_SHIFT);
+ evsel = evsel__new_cycles(precise, PERF_TYPE_HARDWARE_PMU,
+ config);
+ if (!evsel)
+ return -ENOMEM;
+
+ cpus = perf_cpu_map__get(pmu->cpus);
+ evsel->core.cpus = cpus;
+ evsel->core.own_cpus = perf_cpu_map__get(cpus);
+ evsel->pmu_name = strdup(pmu->name);
+ evlist__add(evlist, evsel);
+ }
+
+ return 0;
+}
+
int __evlist__add_default(struct evlist *evlist, bool precise)
{
- struct evsel *evsel = evsel__new_cycles(precise);
+ struct evsel *evsel;
+
+ if (perf_pmu__hybrid_exist())
+ return __evlist__add_hybrid_default(evlist, precise);
+ evsel = evsel__new_cycles(precise, PERF_TYPE_HARDWARE,
+ PERF_COUNT_HW_CPU_CYCLES);
if (evsel == NULL)
return -ENOMEM;
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 7ecbc8e2fbfa..e0b6227d263f 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -295,11 +295,11 @@ static bool perf_event_can_profile_kernel(void)
return perf_event_paranoid_check(1);
}
-struct evsel *evsel__new_cycles(bool precise)
+struct evsel *evsel__new_cycles(bool precise, __u32 type, __u64 config)
{
struct perf_event_attr attr = {
- .type = PERF_TYPE_HARDWARE,
- .config = PERF_COUNT_HW_CPU_CYCLES,
+ .type = type,
+ .config = config,
.exclude_kernel = !perf_event_can_profile_kernel(),
};
struct evsel *evsel;
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 69aadc52c1bd..8e9079505e96 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -204,7 +204,7 @@ static inline struct evsel *evsel__newtp(const char *sys, const char *name)
return evsel__newtp_idx(sys, name, 0);
}
-struct evsel *evsel__new_cycles(bool precise);
+struct evsel *evsel__new_cycles(bool precise, __u32 type, __u64 config);
struct tep_event *event_format__new(const char *sys, const char *name);
--
2.17.1
next prev parent reply other threads:[~2021-03-11 7:09 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-11 7:07 [PATCH v2 00/27] perf tool: AlderLake hybrid support series 1 Jin Yao
2021-03-11 7:07 ` [PATCH v2 01/27] tools headers uapi: Update tools's copy of linux/perf_event.h Jin Yao
2021-03-11 7:07 ` [PATCH v2 02/27] perf jevents: Support unit value "cpu_core" and "cpu_atom" Jin Yao
2021-03-11 7:07 ` [PATCH v2 03/27] perf pmu: Simplify arguments of __perf_pmu__new_alias Jin Yao
2021-03-11 7:07 ` [PATCH v2 04/27] perf pmu: Save pmu name Jin Yao
2021-03-15 23:03 ` Jiri Olsa
2021-03-16 0:59 ` Jin, Yao
2021-03-11 7:07 ` [PATCH v2 05/27] perf pmu: Save detected hybrid pmus to a global pmu list Jin Yao
2021-03-11 7:07 ` [PATCH v2 06/27] perf pmu: Add hybrid helper functions Jin Yao
2021-03-11 7:07 ` [PATCH v2 07/27] perf evlist: Hybrid event uses its own cpus Jin Yao
2021-03-12 19:15 ` Jiri Olsa
2021-03-15 1:25 ` Jin, Yao
2021-03-11 7:07 ` [PATCH v2 08/27] perf stat: Uniquify hybrid event name Jin Yao
2021-03-15 23:04 ` Jiri Olsa
2021-03-11 7:07 ` [PATCH v2 09/27] perf parse-events: Create two hybrid hardware events Jin Yao
2021-03-12 19:15 ` Jiri Olsa
2021-03-15 2:04 ` Jin, Yao
2021-03-15 17:34 ` Jiri Olsa
2021-03-15 23:05 ` Jiri Olsa
2021-03-16 3:13 ` Jin, Yao
2021-03-11 7:07 ` [PATCH v2 10/27] perf parse-events: Create two hybrid cache events Jin Yao
2021-03-15 23:05 ` Jiri Olsa
2021-03-16 3:51 ` Jin, Yao
2021-03-11 7:07 ` [PATCH v2 11/27] perf parse-events: Support hardware events inside PMU Jin Yao
2021-03-12 19:15 ` Jiri Olsa
2021-03-15 2:28 ` Jin, Yao
2021-03-15 17:37 ` Jiri Olsa
2021-03-16 1:49 ` Jin, Yao
2021-03-16 14:04 ` Jiri Olsa
2021-03-17 2:12 ` Jin, Yao
2021-03-17 10:06 ` Jiri Olsa
2021-03-17 12:17 ` Jin, Yao
2021-03-17 13:42 ` Arnaldo Carvalho de Melo
2021-03-18 12:16 ` Jiri Olsa
2021-03-18 13:21 ` Arnaldo Carvalho de Melo
2021-03-18 18:16 ` Liang, Kan
2021-03-19 2:48 ` Andi Kleen
2021-03-18 11:51 ` Jiri Olsa
2021-03-11 7:07 ` [PATCH v2 12/27] perf parse-events: Support hybrid raw events Jin Yao
2021-03-11 7:07 ` Jin Yao [this message]
2021-03-11 7:07 ` [PATCH v2 14/27] perf stat: Add default hybrid events Jin Yao
2021-03-11 7:07 ` [PATCH v2 15/27] perf stat: Filter out unmatched aggregation for hybrid event Jin Yao
2021-03-11 7:07 ` [PATCH v2 16/27] perf evlist: Warn as events from different hybrid PMUs in a group Jin Yao
2021-03-15 23:03 ` Jiri Olsa
2021-03-16 5:25 ` Jin, Yao
2021-03-18 11:52 ` Jiri Olsa
2021-03-11 7:07 ` [PATCH v2 17/27] perf evsel: Adjust hybrid event and global event mixed group Jin Yao
2021-03-15 23:04 ` Jiri Olsa
2021-03-16 4:39 ` Jin, Yao
2021-03-11 7:07 ` [PATCH v2 18/27] perf script: Support PERF_TYPE_HARDWARE_PMU and PERF_TYPE_HW_CACHE_PMU Jin Yao
2021-03-11 7:07 ` [PATCH v2 19/27] perf tests: Add hybrid cases for 'Parse event definition strings' test Jin Yao
2021-03-11 7:07 ` [PATCH v2 20/27] perf tests: Add hybrid cases for 'Roundtrip evsel->name' test Jin Yao
2021-03-11 7:07 ` [PATCH v2 21/27] perf tests: Skip 'Setup struct perf_event_attr' test for hybrid Jin Yao
2021-03-11 7:07 ` [PATCH v2 22/27] perf tests: Support 'Track with sched_switch' " Jin Yao
2021-03-11 7:07 ` [PATCH v2 23/27] perf tests: Support 'Parse and process metrics' " Jin Yao
2021-03-11 7:07 ` [PATCH v2 24/27] perf tests: Support 'Session topology' " Jin Yao
2021-03-11 7:07 ` [PATCH v2 25/27] perf tests: Support 'Convert perf time to TSC' " Jin Yao
2021-03-11 7:07 ` [PATCH v2 26/27] perf tests: Skip 'perf stat metrics (shadow stat) test' " Jin Yao
2021-03-11 7:07 ` [PATCH v2 27/27] perf Documentation: Document intel-hybrid support Jin Yao
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