On Mon, 21 Nov 2016 14:12:50 -0800 Joel Fernandes <[email protected]> wrote:
> 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. > > Cc: Steven Rostedt <[email protected]> > Cc: Thomas Gleixner <[email protected]> > Cc: John Stultz <[email protected]> > Cc: Ingo Molnar <[email protected]> > Signed-off-by: Joel Fernandes <[email protected]> > --- > 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 > }; > I'm fine with this change, but can you please update Documentation/trace/ftrace.txt under trace_clock. I notice that mono and mono_raw are missing too. -- Steve
