Re: [PATCH 6/7] trace: Add an option for boot clock as trace clock

[Steven Rostedt <rostedt@goodmis.org>]

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
>  };
>