Messages in this thread Patch in this message | | | From | John Stultz <> | Subject | [PATCH 6/7] trace: Add an option for boot clock as trace clock | Date | Mon, 28 Nov 2016 14:35:23 -0800 |
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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.
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 }; -- 2.7.4
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