[PATCH 2/8] perf core: export swevent hrtimer helpers
From: Cody P Schafer <hidden>
Date: 2014-01-16 23:56:07
Also in:
lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
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 <redacted> --- 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