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perf/x86: Install platform specific ->swap_task_ctx() adapter

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Bridge perf core and x86 swap_task_ctx() method calls.

Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Link: https://lkml.kernel.org/r/b157e97d-32c3-aeaf-13ba-47350c677906@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Alexey Budankov 2019-10-23 10:11:54 +03:00 committed by Ingo Molnar
parent fc1adfe306
commit a44399703b
1 changed files with 8 additions and 0 deletions
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8
arch/x86/events/core.c
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@ -2243,6 +2243,13 @@ static void x86_pmu_sched_task(struct perf_event_context *ctx, bool sched_in)
x86_pmu.sched_task(ctx, sched_in);
}
static void x86_pmu_swap_task_ctx(struct perf_event_context *prev,
struct perf_event_context *next)
{
if (x86_pmu.swap_task_ctx)
x86_pmu.swap_task_ctx(prev, next);
}
void perf_check_microcode(void)
{
if (x86_pmu.check_microcode)
@ -2297,6 +2304,7 @@ static struct pmu pmu = {
.event_idx = x86_pmu_event_idx,
.sched_task = x86_pmu_sched_task,
.task_ctx_size = sizeof(struct x86_perf_task_context),
.swap_task_ctx = x86_pmu_swap_task_ctx,
.check_period = x86_pmu_check_period,
.aux_output_match = x86_pmu_aux_output_match,