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-rw-r--r--arch/x86/kernel/cpu/perf_event.c7
-rw-r--r--arch/x86/kernel/cpu/perf_event.h2
2 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index b71a7f8..0efbd6c 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1914,6 +1914,12 @@ static const struct attribute_group *x86_pmu_attr_groups[] = {
NULL,
};
+static void x86_pmu_sched_task(struct perf_event_context *ctx, bool sched_in)
+{
+ if (x86_pmu.sched_task)
+ x86_pmu.sched_task(ctx, sched_in);
+}
+
static void x86_pmu_flush_branch_stack(void)
{
if (x86_pmu.flush_branch_stack)
@@ -1950,6 +1956,7 @@ static struct pmu pmu = {
.event_idx = x86_pmu_event_idx,
.flush_branch_stack = x86_pmu_flush_branch_stack,
+ .sched_task = x86_pmu_sched_task,
};
void arch_perf_update_userpage(struct perf_event *event,
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index 0c45b22..211b54c 100644
--- a/arch/x86/kernel/cpu/perf_event.h
+++ b/arch/x86/kernel/cpu/perf_event.h
@@ -473,6 +473,8 @@ struct x86_pmu {
void (*check_microcode)(void);
void (*flush_branch_stack)(void);
+ void (*sched_task)(struct perf_event_context *ctx,
+ bool sched_in);
/*
* Intel Arch Perfmon v2+