* [RFC PATCH 1/3] perf: export perf helper functions
@ 2010-08-18 7:59 Zhang Rui
2010-08-18 8:03 ` Zhang Rui
0 siblings, 1 reply; 2+ messages in thread
From: Zhang Rui @ 2010-08-18 7:59 UTC (permalink / raw)
To: perterz
Cc: LKML, mingo, "robert .richter", fweisbec, dzickus, acme,
paulus, gorcunov, Lin Ming, Brown, Len, Matthew Garrett,
Zhang, Rui
Make more perf helper functions global, so that we can write a
new pmu more easily.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
---
include/linux/perf_event.h | 2 ++
kernel/perf_event.c | 12 ++++++++++--
2 files changed, 12 insertions(+), 2 deletions(-)
Index: linux-2.6/kernel/perf_event.c
===================================================================
--- linux-2.6.orig/kernel/perf_event.c
+++ linux-2.6/kernel/perf_event.c
@@ -4572,7 +4572,7 @@ 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;
@@ -4595,7 +4595,9 @@ static void perf_swevent_start_hrtimer(s
}
}
-static void perf_swevent_cancel_hrtimer(struct perf_event *event)
+EXPORT_SYMBOL(perf_swevent_start_hrtimer);
+
+void perf_swevent_cancel_hrtimer(struct perf_event *event)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4607,6 +4609,8 @@ static void perf_swevent_cancel_hrtimer(
}
}
+EXPORT_SYMBOL(perf_swevent_cancel_hrtimer);
+
/*
* Software event: cpu wall time clock
*/
@@ -4815,6 +4819,8 @@ unlock:
return ret;
}
+EXPORT_SYMBOL(perf_pmu_register);
+
void perf_pmu_unregister(struct pmu *pmu)
{
mutex_lock(&pmus_lock);
@@ -4825,6 +4831,8 @@ void perf_pmu_unregister(struct pmu *pmu
synchronize_srcu(&pmus_srcu);
}
+EXPORT_SYMBOL(perf_pmu_unregister);
+
struct pmu *perf_init_event(struct perf_event *event)
{
struct pmu *pmu = NULL;
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
@@ -888,6 +888,8 @@ extern int perf_max_events;
extern int perf_pmu_register(struct pmu *pmu);
extern void perf_pmu_unregister(struct pmu *pmu);
+extern void perf_swevent_start_hrtimer(struct perf_event *event);
+extern void perf_swevent_cancel_hrtimer(struct perf_event *event);
extern void perf_event_task_sched_in(struct task_struct *task);
extern void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next);
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [RFC PATCH 1/3] perf: export perf helper functions
2010-08-18 7:59 [RFC PATCH 1/3] perf: export perf helper functions Zhang Rui
@ 2010-08-18 8:03 ` Zhang Rui
0 siblings, 0 replies; 2+ messages in thread
From: Zhang Rui @ 2010-08-18 8:03 UTC (permalink / raw)
To: peterz@infradead.org
Cc: LKML, mingo@elte.hu, "robert .richter"@amd.com,
fweisbec@gmail.com, dzickus@redhat.com, acme@redhat.com,
paulus@samba.org, gorcunov@gmail.com, Lin, Ming M, Brown, Len,
Matthew Garrett
resend with the correct email address. :p
Export some perf helper functions.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
---
include/linux/perf_event.h | 2 ++
kernel/perf_event.c | 12 ++++++++++--
2 files changed, 12 insertions(+), 2 deletions(-)
Index: linux-2.6/kernel/perf_event.c
===================================================================
--- linux-2.6.orig/kernel/perf_event.c
+++ linux-2.6/kernel/perf_event.c
@@ -4572,7 +4572,7 @@ 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;
@@ -4595,7 +4595,9 @@ static void perf_swevent_start_hrtimer(s
}
}
-static void perf_swevent_cancel_hrtimer(struct perf_event *event)
+EXPORT_SYMBOL(perf_swevent_start_hrtimer);
+
+void perf_swevent_cancel_hrtimer(struct perf_event *event)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4607,6 +4609,8 @@ static void perf_swevent_cancel_hrtimer(
}
}
+EXPORT_SYMBOL(perf_swevent_cancel_hrtimer);
+
/*
* Software event: cpu wall time clock
*/
@@ -4815,6 +4819,8 @@ unlock:
return ret;
}
+EXPORT_SYMBOL(perf_pmu_register);
+
void perf_pmu_unregister(struct pmu *pmu)
{
mutex_lock(&pmus_lock);
@@ -4825,6 +4831,8 @@ void perf_pmu_unregister(struct pmu *pmu
synchronize_srcu(&pmus_srcu);
}
+EXPORT_SYMBOL(perf_pmu_unregister);
+
struct pmu *perf_init_event(struct perf_event *event)
{
struct pmu *pmu = NULL;
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
@@ -888,6 +888,8 @@ extern int perf_max_events;
extern int perf_pmu_register(struct pmu *pmu);
extern void perf_pmu_unregister(struct pmu *pmu);
+extern void perf_swevent_start_hrtimer(struct perf_event *event);
+extern void perf_swevent_cancel_hrtimer(struct perf_event *event);
extern void perf_event_task_sched_in(struct task_struct *task);
extern void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next);
^ permalink raw reply [flat|nested] 2+ messages in thread
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