From: tip-bot for Joel Fernandes <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: mingo@kernel.org, richardcochran@gmail.com, tglx@linutronix.de,
rostedt@goodmis.org, joelaf@google.com, hpa@zytor.com,
prarit@redhat.com, john.stultz@linaro.org,
linux-kernel@vger.kernel.org
Subject: [tip:timers/core] trace: Add an option for boot clock as trace clock
Date: Tue, 29 Nov 2016 09:12:30 -0800 [thread overview]
Message-ID: <tip-80ec3552107ac16a836dbff4cf3c23fdd3256ee3@git.kernel.org> (raw)
In-Reply-To: <1480372524-15181-7-git-send-email-john.stultz@linaro.org>
Commit-ID: 80ec3552107ac16a836dbff4cf3c23fdd3256ee3
Gitweb: http://git.kernel.org/tip/80ec3552107ac16a836dbff4cf3c23fdd3256ee3
Author: Joel Fernandes <joelaf@google.com>
AuthorDate: Mon, 28 Nov 2016 14:35:23 -0800
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Tue, 29 Nov 2016 18:02:59 +0100
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 | 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:[~2016-11-29 17:12 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
2016-11-29 17:12 ` tip-bot for Joel Fernandes [this message]
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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