From: Peter Zijlstra <peterz@infradead.org>
To: Pawel Moll <pawel.moll@arm.com>
Cc: Richard Cochran <richardcochran@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ingo Molnar <mingo@redhat.com>, Paul Mackerras <paulus@samba.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
John Stultz <john.stultz@linaro.org>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Christopher Covington <cov@codeaurora.org>,
Namhyung Kim <namhyung@kernel.org>,
David Ahern <dsahern@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
Tomeu Vizoso <tomeu@tomeuvizoso.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-api@vger.kernel.org" <linux-api@vger.kernel.org>
Subject: Re: [PATCH v3 1/3] perf: Use monotonic clock as a source for timestamps
Date: Tue, 4 Nov 2014 16:30:09 +0100 [thread overview]
Message-ID: <20141104153009.GJ10501@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <1415114727.24819.8.camel@arm.com>
On Tue, Nov 04, 2014 at 03:25:27PM +0000, Pawel Moll wrote:
> Very good idea, should have came up with it myself :-)
>
> Does __setup("perf_use_local_clock") sound reasonable?
Would not the 'module' already prefix a perf.? I never quite know how
all that works out. But sure, that works.
> Then we have to
> decide whether to hide the sysctl "perf_sample_time_clk_id" (my
> preferred option, will see how difficult it is) or just provide an
> invalid clock_id (eg. -1) in it.
invalid clock id is fine with me, although I suppose the clock people
might have an oh-pinion ;-)
next prev parent reply other threads:[~2014-11-04 15:30 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-04 0:28 [PATCH v3 0/3] perf: User/kernel time correlation and event generation Pawel Moll
2014-11-04 0:28 ` [PATCH v3 1/3] perf: Use monotonic clock as a source for timestamps Pawel Moll
2014-11-04 7:23 ` Peter Zijlstra
2014-11-04 15:25 ` Pawel Moll
2014-11-04 15:30 ` Peter Zijlstra [this message]
2014-11-04 0:28 ` [PATCH v3 2/3] perf: Userspace event Pawel Moll
2014-11-04 6:33 ` Namhyung Kim
2014-11-04 16:42 ` Pawel Moll
2014-11-04 18:40 ` Peter Zijlstra
2014-11-05 6:36 ` Namhyung Kim
2014-11-04 0:28 ` [PATCH v3 3/3] perf: Sample additional clock value Pawel Moll
2014-11-04 0:58 ` [PATCH v3 0/3] perf: User/kernel time correlation and event generation Andy Lutomirski
2014-11-04 1:11 ` John Stultz
2014-11-04 1:25 ` Andy Lutomirski
2014-11-04 15:07 ` Pawel Moll
2014-11-04 8:01 ` Arnd Bergmann
2014-11-04 8:27 ` Richard Cochran
2014-11-04 10:49 ` Thomas Gleixner
2014-11-04 16:11 ` Arnd Bergmann
2014-11-04 16:04 ` John Stultz
2014-11-04 8:24 ` Richard Cochran
2014-11-04 9:24 ` Masami Hiramatsu
2014-11-04 15:51 ` Pawel Moll
2014-11-05 8:06 ` Masami Hiramatsu
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