From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Oleg Nesterov <oleg@redhat.com>, Jiri Olsa <jolsa@redhat.com>,
Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org,
Stephane Eranian <eranian@google.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: [RFC][PATCH 7/9] perf: Collect the schedule in rules in one function
Date: Sat, 09 Apr 2011 21:17:46 +0200 [thread overview]
Message-ID: <20110409192141.979862055@chello.nl> (raw)
In-Reply-To: 20110409191739.813727025@chello.nl
[-- Attachment #1: perf-sched_in.patch --]
[-- Type: text/plain, Size: 2011 bytes --]
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
kernel/perf_event.c | 27 +++++++++++++++------------
1 file changed, 15 insertions(+), 12 deletions(-)
Index: linux-2.6/kernel/perf_event.c
===================================================================
--- linux-2.6.orig/kernel/perf_event.c
+++ linux-2.6/kernel/perf_event.c
@@ -1483,6 +1483,18 @@ ctx_sched_in(struct perf_event_context *
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
*
@@ -1530,12 +1542,7 @@ static int __perf_install_in_context(vo
/*
* 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);
@@ -2114,9 +2121,7 @@ static void perf_event_context_sched_in(
*/
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;
@@ -2354,9 +2359,7 @@ static void perf_rotate_context(struct p
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)
next prev parent reply other threads:[~2011-04-09 19:23 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-09 19:17 [RFC][PATCH 0/9] perf: Rework event scheduling Peter Zijlstra
2011-04-09 19:17 ` [RFC][PATCH 1/9] perf: Optimize ctx_sched_out Peter Zijlstra
2011-05-28 16:38 ` [tip:perf/core] perf: Optimize ctx_sched_out() tip-bot for Peter Zijlstra
2011-04-09 19:17 ` [RFC][PATCH 2/9] perf: Clean up ctx reference counting Peter Zijlstra
2011-04-11 6:05 ` Lin Ming
2011-04-11 8:35 ` Peter Zijlstra
2011-05-28 16:39 ` [tip:perf/core] perf: Clean up 'ctx' " tip-bot for Peter Zijlstra
2011-04-09 19:17 ` [RFC][PATCH 3/9] perf: Change event scheduling locking Peter Zijlstra
2011-05-28 16:39 ` [tip:perf/core] perf: Optimize " tip-bot for Peter Zijlstra
2011-04-09 19:17 ` [RFC][PATCH 4/9] perf: Remove task_ctx_sched_in Peter Zijlstra
2011-05-28 16:39 ` [tip:perf/core] perf: Remove task_ctx_sched_in() tip-bot for Peter Zijlstra
2011-04-09 19:17 ` [RFC][PATCH 5/9] perf: Simplify and fix __perf_install_in_context Peter Zijlstra
2011-04-10 8:13 ` Peter Zijlstra
2011-04-11 8:44 ` Lin Ming
2011-04-11 8:50 ` Peter Zijlstra
2011-04-11 8:12 ` Lin Ming
2011-05-28 16:40 ` [tip:perf/core] perf: Simplify and fix __perf_install_in_context() tip-bot for Peter Zijlstra
2011-04-09 19:17 ` [RFC][PATCH 6/9] perf: Change ctx::is_active semantics Peter Zijlstra
2011-05-28 16:40 ` [tip:perf/core] perf: Change and simplify " tip-bot for Peter Zijlstra
2011-04-09 19:17 ` Peter Zijlstra [this message]
2011-05-28 16:41 ` [tip:perf/core] perf: Collect the schedule-in rules in one function tip-bot for Peter Zijlstra
2011-04-09 19:17 ` [RFC][PATCH 8/9] perf: Change close() semantics for group events Peter Zijlstra
2011-05-28 16:41 ` [tip:perf/core] " tip-bot for Peter Zijlstra
2011-04-09 19:17 ` [RFC][PATCH 9/9] perf: De-schedule a task context when removing the last event Peter Zijlstra
2011-05-28 16:42 ` [tip:perf/core] " tip-bot for Peter Zijlstra
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