diff options
| author | Steven Rostedt <srostedt@redhat.com> | 2009-03-12 21:12:46 -0400 |
|---|---|---|
| committer | Steven Rostedt <srostedt@redhat.com> | 2009-03-12 21:12:46 -0400 |
| commit | 51b643b404827d8fde60d7953773a42d46ca87e0 (patch) | |
| tree | ae71fcbd8b3640b68fc11e1dca620a8ee96bac5f /kernel/trace/trace_clock.c | |
| parent | 554f786e284a6ce859d51f62240d615603944c8e (diff) | |
| parent | 480c93df5b99699390f93a7024c9f60d09da0e96 (diff) | |
Merge branch 'tracing/ftrace' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into trace/tip/tracing/ftrace-merge
Diffstat (limited to 'kernel/trace/trace_clock.c')
| -rw-r--r-- | kernel/trace/trace_clock.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c index 2d4953f9356..05b176abfd3 100644 --- a/kernel/trace/trace_clock.c +++ b/kernel/trace/trace_clock.c @@ -27,12 +27,19 @@ */ u64 notrace trace_clock_local(void) { + unsigned long flags; + u64 clock; + /* * sched_clock() is an architecture implemented, fast, scalable, * lockless clock. It is not guaranteed to be coherent across * CPUs, nor across CPU idle events. */ - return sched_clock(); + raw_local_irq_save(flags); + clock = sched_clock(); + raw_local_irq_restore(flags); + + return clock; } /* |