[PATCH v2 2/2] trace: Add an option for boot clock as trace clock

From	Joel Fernandes <joelaf@google.com>
Newsgroups	linux.kernel
Subject	[PATCH v2 2/2] trace: Add an option for boot clock as trace clock
Date	2016-11-21 23:20 +0100
Message-ID	<sG56q-77c-3@gated-at.bofh.it> (permalink)
References	<sG56q-77c-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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: John Stultz <john.stultz@linaro.org>
Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Joel Fernandes <joelaf@google.com>
---
 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
 };
 
-- 
2.8.0.rc3.226.g39d4020

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[PATCH v2 2/2] trace: Add an option for boot clock as trace clock Joel Fernandes <joelaf@google.com> - 2016-11-21 23:20 +0100
  Re: [PATCH v2 2/2] trace: Add an option for boot clock as trace  clock Steven Rostedt <rostedt@goodmis.org> - 2016-11-21 23:30 +0100

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