Messages in this thread | | | Date | Mon, 28 Nov 2016 18:05:51 -0500 | From | Steven Rostedt <> | Subject | Re: [PATCH 6/7] trace: Add an option for boot clock as trace clock |
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On Mon, 28 Nov 2016 14:35:23 -0800 John Stultz <john.stultz@linaro.org> wrote:
> From: Joel Fernandes <joelaf@google.com> > > Unlike monotonic clock, boot clock as a trace clock will account for > time spent in suspend useful for tracing suspend/resume. This uses > earlier introduced infrastructure for using the fast boot clock. >
Acked-by: Steven Rostedt <rostedt@goodmis.org>
-- Steve
> Cc: Steven Rostedt <rostedt@goodmis.org> > Cc: Thomas Gleixner <tglx@linutronix.de> > Cc: Ingo Molnar <mingo@redhat.com> > Cc: Richard Cochran <richardcochran@gmail.com> > Cc: Prarit Bhargava <prarit@redhat.com> > Reviewed-by: Thomas Gleixner <tglx@linutronix.de> > Signed-off-by: Joel Fernandes <joelaf@google.com> > Signed-off-by: John Stultz <john.stultz@linaro.org> > --- > kernel/trace/trace.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c > index 8696ce6..f7b64db 100644 > --- a/kernel/trace/trace.c > +++ b/kernel/trace/trace.c > @@ -1125,6 +1125,7 @@ static struct { > { trace_clock, "perf", 1 }, > { ktime_get_mono_fast_ns, "mono", 1 }, > { ktime_get_raw_fast_ns, "mono_raw", 1 }, > + { ktime_get_boot_fast_ns, "boot", 1 }, > ARCH_TRACE_CLOCKS > }; >
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