From: Steven Rostedt <rostedt@goodmis.org>
To: John Stultz <john.stultz@linaro.org>
Cc: lkml <linux-kernel@vger.kernel.org>,
Joel Fernandes <joelaf@google.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
Richard Cochran <richardcochran@gmail.com>,
Prarit Bhargava <prarit@redhat.com>
Subject: Re: [PATCH 6/7] trace: Add an option for boot clock as trace clock
Date: Mon, 28 Nov 2016 18:05:51 -0500 [thread overview]
Message-ID: <20161128180551.44b233d6@gandalf.local.home> (raw)
In-Reply-To: <1480372524-15181-7-git-send-email-john.stultz@linaro.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
> };
>
next prev parent reply other threads:[~2016-11-28 23:06 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-28 22:35 [GIT PULL][PATCH 0/7] Timekeeping changes for 4.10 (take 2) John Stultz
2016-11-28 22:35 ` [PATCH 1/7] selftests/timers: Fix spelling mistake "Asyncrhonous" -> "Asynchronous" John Stultz
2016-11-29 17:10 ` [tip:timers/core] " tip-bot for Colin Ian King
2016-11-28 22:35 ` [PATCH 2/7] timekeeping: Ignore the bogus sleep time if pm_trace is enabled John Stultz
2016-11-29 7:19 ` Ingo Molnar
2016-11-29 9:38 ` Chen Yu
2016-11-29 17:10 ` [tip:timers/core] " tip-bot for Chen Yu
2016-11-28 22:35 ` [PATCH 3/7] timekeeping: clocksource_cyc2ns: Document intended range limitation John Stultz
2016-11-29 17:11 ` [tip:timers/core] timekeeping/clocksource_cyc2ns: " tip-bot for Chris Metcalf
2016-11-28 22:35 ` [PATCH 4/7] time: alarmtimer: Add the tracepoints for alarmtimer John Stultz
2016-11-29 7:23 ` Ingo Molnar
2016-11-29 8:23 ` Baolin Wang
2016-11-29 9:12 ` Ingo Molnar
2016-11-29 11:52 ` Baolin Wang
2016-11-29 12:06 ` Thomas Gleixner
2016-11-30 11:43 ` Baolin Wang
2016-12-01 2:34 ` Baolin Wang
2016-12-01 13:52 ` [tip:timers/core] alarmtimer: Add tracepoints for alarm timers tip-bot for Baolin Wang
2016-11-28 22:35 ` [PATCH 5/7] timekeeping: Add a fast and NMI safe boot clock John Stultz
2016-11-29 17:11 ` [tip:timers/core] " tip-bot for Joel Fernandes
2016-11-28 22:35 ` [PATCH 6/7] trace: Add an option for boot clock as trace clock John Stultz
2016-11-28 23:05 ` Steven Rostedt [this message]
2016-11-29 17:12 ` [tip:timers/core] " tip-bot for Joel Fernandes
2016-11-28 22:35 ` [PATCH 7/7] trace: Update documentation for mono, mono_raw and boot clock John Stultz
2016-11-28 23:07 ` Steven Rostedt
2016-11-29 7:26 ` Ingo Molnar
2016-11-29 16:10 ` Joel Fernandes
2016-11-29 16:11 ` Thomas Gleixner
2016-11-29 17:13 ` [tip:timers/core] " tip-bot for Joel Fernandes
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