lkml.org 
[lkml]   [2011]   [May]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[PATCH 1/3] export some perf interfaces
From
Date

Export perf interfaces.

Needed by the next patch, which exports the
Package/Core/Uncore/DRAM energy consumption via perf tool.

Singed-off-by: Zhang Rui <rui.zhang@intel.com>
---
include/linux/perf_event.h | 3 +++
kernel/events/core.c | 11 ++++++++---
2 files changed, 11 insertions(+), 3 deletions(-)

Index: linux-2.6/include/linux/perf_event.h
===================================================================
--- linux-2.6.orig/include/linux/perf_event.h
+++ linux-2.6/include/linux/perf_event.h
@@ -1153,6 +1153,9 @@ extern void perf_swevent_put_recursion_c
extern void perf_event_enable(struct perf_event *event);
extern void perf_event_disable(struct perf_event *event);
extern void perf_event_task_tick(void);
+extern void perf_swevent_init_hrtimer(struct perf_event *event);
+extern void perf_swevent_start_hrtimer(struct perf_event *event);
+extern void perf_swevent_cancel_hrtimer(struct perf_event *event);
#else
static inline void
perf_event_task_sched_in(struct task_struct *task) { }
Index: linux-2.6/kernel/events/core.c
===================================================================
--- linux-2.6.orig/kernel/events/core.c
+++ linux-2.6/kernel/events/core.c
@@ -5648,7 +5648,7 @@ static enum hrtimer_restart perf_swevent
return ret;
}

-static void perf_swevent_start_hrtimer(struct perf_event *event)
+void perf_swevent_start_hrtimer(struct perf_event *event)
{
struct hw_perf_event *hwc = &event->hw;
s64 period;
@@ -5669,8 +5669,9 @@ static void perf_swevent_start_hrtimer(s
ns_to_ktime(period), 0,
HRTIMER_MODE_REL_PINNED, 0);
}
+EXPORT_SYMBOL_GPL(perf_swevent_start_hrtimer);

-static void perf_swevent_cancel_hrtimer(struct perf_event *event)
+void perf_swevent_cancel_hrtimer(struct perf_event *event)
{
struct hw_perf_event *hwc = &event->hw;

@@ -5681,8 +5682,9 @@ static void perf_swevent_cancel_hrtimer(
hrtimer_cancel(&hwc->hrtimer);
}
}
+EXPORT_SYMBOL_GPL(perf_swevent_cancel_hrtimer);

-static void perf_swevent_init_hrtimer(struct perf_event *event)
+void perf_swevent_init_hrtimer(struct perf_event *event)
{
struct hw_perf_event *hwc = &event->hw;

@@ -5705,6 +5707,7 @@ static void perf_swevent_init_hrtimer(st
event->attr.freq = 0;
}
}
+EXPORT_SYMBOL_GPL(perf_swevent_init_hrtimer);

/*
* Software event: cpu wall time clock
@@ -6077,6 +6080,7 @@ free_pdc:
free_percpu(pmu->pmu_disable_count);
goto unlock;
}
+EXPORT_SYMBOL_GPL(perf_pmu_register);

void perf_pmu_unregister(struct pmu *pmu)
{
@@ -6098,6 +6102,7 @@ void perf_pmu_unregister(struct pmu *pmu
put_device(pmu->dev);
free_pmu_context(pmu);
}
+EXPORT_SYMBOL_GPL(perf_pmu_unregister);

struct pmu *perf_init_event(struct perf_event *event)
{



\
 
 \ /
  Last update: 2011-05-26 10:39    [W:0.017 / U:0.064 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site