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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2011-04-09 21:17:46 +0200
committerIngo Molnar <mingo@elte.hu>2011-05-28 18:01:19 +0200
commitdce5855bba5df9e87bb04584d505c1f1b103c652 (patch)
tree167312131a85a176ec71775fa81ddbf14a33dcb6 /kernel/events
parentdb24d33e08b88e990991760a44d72006a5dc6102 (diff)
perf: Collect the schedule-in rules in one function
This was scattered out - refactor it into a single function. No change in functionality. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20110409192141.979862055@chello.nl Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/events')
-rw-r--r--kernel/events/core.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 71c2d44ff95..802f3b24eee 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -1476,6 +1476,18 @@ ctx_sched_in(struct perf_event_context *ctx,
enum event_type_t event_type,
struct task_struct *task);
+static void perf_event_sched_in(struct perf_cpu_context *cpuctx,
+ struct perf_event_context *ctx,
+ struct task_struct *task)
+{
+ cpu_ctx_sched_in(cpuctx, EVENT_PINNED, task);
+ if (ctx)
+ ctx_sched_in(ctx, cpuctx, EVENT_PINNED, task);
+ cpu_ctx_sched_in(cpuctx, EVENT_FLEXIBLE, task);
+ if (ctx)
+ ctx_sched_in(ctx, cpuctx, EVENT_FLEXIBLE, task);
+}
+
/*
* Cross CPU call to install and enable a performance event
*
@@ -1523,12 +1535,7 @@ static int __perf_install_in_context(void *info)
/*
* Schedule everything back in
*/
- cpu_ctx_sched_in(cpuctx, EVENT_PINNED, task);
- if (task_ctx)
- ctx_sched_in(task_ctx, cpuctx, EVENT_PINNED, task);
- cpu_ctx_sched_in(cpuctx, EVENT_FLEXIBLE, task);
- if (task_ctx)
- ctx_sched_in(task_ctx, cpuctx, EVENT_FLEXIBLE, task);
+ perf_event_sched_in(cpuctx, task_ctx, task);
perf_pmu_enable(cpuctx->ctx.pmu);
perf_ctx_unlock(cpuctx, task_ctx);
@@ -2107,9 +2114,7 @@ static void perf_event_context_sched_in(struct perf_event_context *ctx,
*/
cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE);
- ctx_sched_in(ctx, cpuctx, EVENT_PINNED, task);
- cpu_ctx_sched_in(cpuctx, EVENT_FLEXIBLE, task);
- ctx_sched_in(ctx, cpuctx, EVENT_FLEXIBLE, task);
+ perf_event_sched_in(cpuctx, ctx, task);
cpuctx->task_ctx = ctx;
@@ -2347,9 +2352,7 @@ static void perf_rotate_context(struct perf_cpu_context *cpuctx)
if (ctx)
rotate_ctx(ctx);
- cpu_ctx_sched_in(cpuctx, EVENT_FLEXIBLE, current);
- if (ctx)
- ctx_sched_in(ctx, cpuctx, EVENT_FLEXIBLE, current);
+ perf_event_sched_in(cpuctx, ctx, current);
done:
if (remove)