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| author | Jin Yao <yao.jin@linux.intel.com> | 2021-04-27 15:01:23 +0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-04-29 10:30:59 -0300 |
| commit | 94da591b1c7913880957c3477f6abff563783b33 (patch) | |
| tree | 6cc8c7334d199c230ae2f6e2c962f4e57c0ba43c /tools/perf/util/parse-events-hybrid.c | |
| parent | 30def61f64bac5f5cfe2a3cf96bae5b889403b4c (diff) | |
| download | linux-94da591b1c7913880957c3477f6abff563783b33.tar.gz linux-94da591b1c7913880957c3477f6abff563783b33.tar.xz | |
perf parse-events: Create two hybrid raw events
On hybrid platform, same raw event is possible to be available
on both cpu_core pmu and cpu_atom pmu. It's supported to create
two raw events for one event encoding. For raw events, the
attr.type is PMU type.
# perf stat -e r3c -a -vv -- sleep 1
Control descriptor is not initialized
------------------------------------------------------------
perf_event_attr:
type 4
size 120
config 0x3c
sample_type IDENTIFIER
read_format TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING
disabled 1
inherit 1
exclude_guest 1
------------------------------------------------------------
sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 3
------------------------------------------------------------
...
------------------------------------------------------------
perf_event_attr:
type 4
size 120
config 0x3c
sample_type IDENTIFIER
read_format TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING
disabled 1
inherit 1
exclude_guest 1
------------------------------------------------------------
sys_perf_event_open: pid -1 cpu 15 group_fd -1 flags 0x8 = 19
------------------------------------------------------------
perf_event_attr:
type 8
size 120
config 0x3c
sample_type IDENTIFIER
read_format TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING
disabled 1
inherit 1
exclude_guest 1
------------------------------------------------------------
sys_perf_event_open: pid -1 cpu 16 group_fd -1 flags 0x8 = 20
------------------------------------------------------------
...
------------------------------------------------------------
perf_event_attr:
type 8
size 120
config 0x3c
sample_type IDENTIFIER
read_format TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING
disabled 1
inherit 1
exclude_guest 1
------------------------------------------------------------
sys_perf_event_open: pid -1 cpu 23 group_fd -1 flags 0x8 = 27
r3c: 0: 434449 1001412521 1001412521
r3c: 1: 173162 1001482031 1001482031
r3c: 2: 231710 1001524974 1001524974
r3c: 3: 110012 1001563523 1001563523
r3c: 4: 191517 1001593221 1001593221
r3c: 5: 956458 1001628147 1001628147
r3c: 6: 416969 1001715626 1001715626
r3c: 7: 1047527 1001596650 1001596650
r3c: 8: 103877 1001633520 1001633520
r3c: 9: 70571 1001637898 1001637898
r3c: 10: 550284 1001714398 1001714398
r3c: 11: 1257274 1001738349 1001738349
r3c: 12: 107797 1001801432 1001801432
r3c: 13: 67471 1001836281 1001836281
r3c: 14: 286782 1001923161 1001923161
r3c: 15: 815509 1001952550 1001952550
r3c: 0: 95994 1002071117 1002071117
r3c: 1: 105570 1002142438 1002142438
r3c: 2: 115921 1002189147 1002189147
r3c: 3: 72747 1002238133 1002238133
r3c: 4: 103519 1002276753 1002276753
r3c: 5: 121382 1002315131 1002315131
r3c: 6: 80298 1002248050 1002248050
r3c: 7: 466790 1002278221 1002278221
r3c: 6821369 16026754282 16026754282
r3c: 1162221 8017758990 8017758990
Performance counter stats for 'system wide':
6,821,369 cpu_core/r3c/
1,162,221 cpu_atom/r3c/
1.002289965 seconds time elapsed
Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210427070139.25256-11-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/parse-events-hybrid.c')
| -rw-r--r-- | tools/perf/util/parse-events-hybrid.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/tools/perf/util/parse-events-hybrid.c b/tools/perf/util/parse-events-hybrid.c index 7a7e065d2b5f..e27b747080e1 100644 --- a/tools/perf/util/parse-events-hybrid.c +++ b/tools/perf/util/parse-events-hybrid.c @@ -77,6 +77,41 @@ static int add_hw_hybrid(struct parse_events_state *parse_state, return 0; } +static int create_raw_event_hybrid(int *idx, struct list_head *list, + struct perf_event_attr *attr, char *name, + struct list_head *config_terms, + struct perf_pmu *pmu) +{ + struct evsel *evsel; + + attr->type = pmu->type; + evsel = parse_events__add_event_hybrid(list, idx, attr, name, + pmu, config_terms); + if (evsel) + evsel->pmu_name = strdup(pmu->name); + else + return -ENOMEM; + + return 0; +} + +static int add_raw_hybrid(struct parse_events_state *parse_state, + struct list_head *list, struct perf_event_attr *attr, + char *name, struct list_head *config_terms) +{ + struct perf_pmu *pmu; + int ret; + + perf_pmu__for_each_hybrid_pmu(pmu) { + ret = create_raw_event_hybrid(&parse_state->idx, list, attr, + name, config_terms, pmu); + if (ret) + return ret; + } + + return 0; +} + int parse_events__add_numeric_hybrid(struct parse_events_state *parse_state, struct list_head *list, struct perf_event_attr *attr, @@ -96,7 +131,8 @@ int parse_events__add_numeric_hybrid(struct parse_events_state *parse_state, config_terms); } - return -1; + return add_raw_hybrid(parse_state, list, attr, name, + config_terms); } int parse_events__add_cache_hybrid(struct list_head *list, int *idx, |