From 768a06e2ca49cdf72389208cfc056a36cf8bc5e3 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Tue, 22 Feb 2011 16:52:24 +0100 Subject: [PATCH] perf: Simplify task_clock_event_read() There is no point in us having different code paths for nmi and !nmi here, so remove the !nmi one. Signed-off-by: Peter Zijlstra Cc: Stephane Eranian LKML-Reference: Signed-off-by: Ingo Molnar --- kernel/perf_event.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/kernel/perf_event.c b/kernel/perf_event.c index dadeaea4b3fc..64a018e94fca 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -5810,16 +5810,9 @@ static void task_clock_event_del(struct perf_event *event, int flags) static void task_clock_event_read(struct perf_event *event) { - u64 time; - - if (!in_nmi()) { - update_context_time(event->ctx); - time = event->ctx->time; - } else { - u64 now = perf_clock(); - u64 delta = now - event->ctx->timestamp; - time = event->ctx->time + delta; - } + u64 now = perf_clock(); + u64 delta = now - event->ctx->timestamp; + u64 time = event->ctx->time + delta; task_clock_event_update(event, time); } -- 2.20.1