AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

perf: Don't schedule out/in pinned events on task tick

Browse Source 
We don't need to schedule in/out pinned events on task tick,
now that pinned and flexible groups can be scheduled separately.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
This commit is contained in:
Frederic Weisbecker 2010-01-17 12:15:31 +01:00
parent 5b0311e1f2
commit 7defb0f879
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
kernel/perf_event.c
View File

@ -1525,17 +1525,17 @@ void perf_event_task_tick(struct task_struct *curr)
if (ctx)
perf_ctx_adjust_freq(ctx);
cpu_ctx_sched_out(cpuctx, EVENT_ALL);
cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE);
if (ctx)
task_ctx_sched_out(ctx, EVENT_ALL);
task_ctx_sched_out(ctx, EVENT_FLEXIBLE);
rotate_ctx(&cpuctx->ctx);
if (ctx)
rotate_ctx(ctx);
cpu_ctx_sched_in(cpuctx, EVENT_ALL);
cpu_ctx_sched_in(cpuctx, EVENT_FLEXIBLE);
if (ctx)
task_ctx_sched_in(curr, EVENT_ALL);
task_ctx_sched_in(curr, EVENT_FLEXIBLE);
}
static int event_enable_on_exec(struct perf_event *event,