diff options
| author | Kan Liang <kan.liang@linux.intel.com> | 2021-04-12 07:30:59 -0700 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-04-19 20:03:28 +0200 |
| commit | 3e9a8b219e4cc897dba20e19185d0471f129f6f3 (patch) | |
| tree | c3e7cda32c02a61c724f133959868cb7613c2fb0 | |
| parent | 58ae30c29a370c09eb49e0007d881a9aed13c5a3 (diff) | |
| download | linux-3e9a8b219e4cc897dba20e19185d0471f129f6f3.tar.gz | |
perf/x86: Support filter_match callback
Implement filter_match callback for X86, which check whether an event is schedulable on the current CPU. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Andi Kleen <ak@linux.intel.com> Link: https://lkml.kernel.org/r/1618237865-33448-20-git-send-email-kan.liang@linux.intel.com
| -rw-r--r-- | arch/x86/events/core.c | 10 | ||||
| -rw-r--r-- | arch/x86/events/perf_event.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index 37ab109a4108..4f6595ee6359 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -2641,6 +2641,14 @@ static int x86_pmu_aux_output_match(struct perf_event *event) return 0; } +static int x86_pmu_filter_match(struct perf_event *event) +{ + if (x86_pmu.filter_match) + return x86_pmu.filter_match(event); + + return 1; +} + static struct pmu pmu = { .pmu_enable = x86_pmu_enable, .pmu_disable = x86_pmu_disable, @@ -2668,6 +2676,8 @@ static struct pmu pmu = { .check_period = x86_pmu_check_period, .aux_output_match = x86_pmu_aux_output_match, + + .filter_match = x86_pmu_filter_match, }; void arch_perf_update_userpage(struct perf_event *event, diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h index e2be927158d5..606fb6e14419 100644 --- a/arch/x86/events/perf_event.h +++ b/arch/x86/events/perf_event.h @@ -879,6 +879,7 @@ struct x86_pmu { int (*aux_output_match) (struct perf_event *event); + int (*filter_match)(struct perf_event *event); /* * Hybrid support * |