lkml.org 
[lkml]   [2014]   [Jan]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/8] perf core: export swevent hrtimer helpers
Date
Export the swevent hrtimer helpers currently only used in events/core.c
to allow the addition of architecture specific sw-like pmus.

Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
---
include/linux/perf_event.h | 5 ++++-
kernel/events/core.c | 8 ++++----
2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 8646e33..c5bc71a 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -558,7 +558,10 @@ extern void perf_pmu_migrate_context(struct pmu *pmu,
int src_cpu, int dst_cpu);
extern u64 perf_event_read_value(struct perf_event *event,
u64 *enabled, u64 *running);
-
+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);
+extern int perf_swevent_event_idx(struct perf_event *event);

struct perf_sample_data {
u64 type;
diff --git a/kernel/events/core.c b/kernel/events/core.c
index f574401..d881d1e 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -5801,7 +5801,7 @@ static int perf_swevent_init(struct perf_event *event)
return 0;
}

-static int perf_swevent_event_idx(struct perf_event *event)
+int perf_swevent_event_idx(struct perf_event *event)
{
return 0;
}
@@ -6030,7 +6030,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
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;
@@ -6052,7 +6052,7 @@ static void perf_swevent_start_hrtimer(struct perf_event *event)
HRTIMER_MODE_REL_PINNED, 0);
}

-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;

@@ -6064,7 +6064,7 @@ static void perf_swevent_cancel_hrtimer(struct perf_event *event)
}
}

-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;

--
1.8.5.2


\
 
 \ /
  Last update: 2014-01-17 01:41    [W:0.142 / U:0.252 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site