trace: Add an option for boot clock as trace clock
authorJoel Fernandes <joelaf@google.com>
Mon, 28 Nov 2016 22:35:23 +0000 (14:35 -0800)
committerThomas Gleixner <tglx@linutronix.de>
Tue, 29 Nov 2016 17:02:59 +0000 (18:02 +0100)
commit80ec3552107ac16a836dbff4cf3c23fdd3256ee3
tree17e749f1f40fb67e5ce4ff41b707108919e27408
parent948a5312f41658f7b76a598a139ef1f4dea09ca9
trace: Add an option for boot clock as trace clock

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.

Signed-off-by: Joel Fernandes <joelaf@google.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Link: http://lkml.kernel.org/r/1480372524-15181-7-git-send-email-john.stultz@linaro.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
kernel/trace/trace.c