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[v2,09/10] powerpc/hv-24x7: Define update_event_count()

Message ID 1427766828-771-10-git-send-email-sukadev@linux.vnet.ibm.com (mailing list archive)
State Accepted
Delegated to: Michael Ellerman
Headers show

Commit Message

Sukadev Bhattiprolu March 31, 2015, 1:53 a.m. UTC 
Move the code to update an event count into a new function,
update_event_count().

Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
---
 arch/powerpc/perf/hv-24x7.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)
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Patch

diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c
index 676fb2f9..cf82026 100644
--- a/arch/powerpc/perf/hv-24x7.c
+++ b/arch/powerpc/perf/hv-24x7.c
@@ -1172,16 +1172,22 @@  static u64 h_24x7_get_value(struct perf_event *event)
 	return ct;
 }
 
-static void h_24x7_event_read(struct perf_event *event)
+static void update_event_count(struct perf_event *event, u64 now)
 {
 	s64 prev;
-	u64 now;
 
-	now = h_24x7_get_value(event);
 	prev = local64_xchg(&event->hw.prev_count, now);
 	local64_add(now - prev, &event->count);
 }
 
+static void h_24x7_event_read(struct perf_event *event)
+{
+	u64 now;
+
+	now = h_24x7_get_value(event);
+	update_event_count(event, now);
+}
+
 static void h_24x7_event_start(struct perf_event *event, int flags)
 {
 	if (flags & PERF_EF_RELOAD)