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author | Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> | 2015-03-31 01:53:46 (GMT) |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2015-04-11 10:49:26 (GMT) |
commit | 529ce8c9ddd00bd1ee77727f7a83c02dff0684f8 (patch) | |
tree | 88e3d4f42c22997810d4c19c2f7a2a4d608d3afc /arch/powerpc/perf/hv-24x7.c | |
parent | 3ca4ea71cb27b4de781dd86f06e322ee11c82975 (diff) | |
download | linux-529ce8c9ddd00bd1ee77727f7a83c02dff0684f8.tar.xz |
powerpc/perf/hv-24x7: Define update_event_count()
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>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/perf/hv-24x7.c')
-rw-r--r-- | arch/powerpc/perf/hv-24x7.c | 12 |
1 files changed, 9 insertions, 3 deletions
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) |