From: Peter Zijlstra <peterz@infradead.org>
To: John Stultz <john.stultz@linaro.org>
Cc: Pawel Moll <pawel.moll@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ingo Molnar <mingo@redhat.com>, Oleg Nesterov <oleg@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Mel Gorman <mgorman@suse.de>,
Andy Lutomirski <luto@amacapital.net>,
Stephen Boyd <sboyd@codeaurora.org>,
Baruch Siach <baruch@tkos.co.il>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org
Subject: Re: [RFC] sched_clock: Track monotonic raw clock
Date: Fri, 18 Jul 2014 21:06:02 +0200 [thread overview]
Message-ID: <20140718190602.GE3935@laptop> (raw)
In-Reply-To: <53C95E97.2020805@linaro.org>
On Fri, Jul 18, 2014 at 10:51:19AM -0700, John Stultz wrote:
> Very cool work! I've not been able to review it carefully, but one good
> stress test would be to pick a system where the hardware used for
> sched_clock is different from the hardware used for timekeeping.
>
> Probably easily done on x86 hardware that normally uses the TSC, but has
> HPET/ACPI PM hardware available. After the system boots, change the
> clocksource via:
> /sys/devices/system/clocksource/clocksource0/current_clocksource
Note that x86 uses none of the code patched.
next prev parent reply other threads:[~2014-07-18 19:06 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-18 17:43 [RFC] sched_clock: Track monotonic raw clock Pawel Moll
2014-07-18 17:51 ` John Stultz
2014-07-18 19:06 ` Peter Zijlstra [this message]
2014-07-22 16:17 ` Pawel Moll
2014-07-18 19:13 ` Peter Zijlstra
2014-07-18 19:25 ` John Stultz
2014-07-18 19:34 ` Peter Zijlstra
2014-07-18 19:46 ` John Stultz
2014-07-18 20:22 ` Peter Zijlstra
2014-07-18 22:41 ` Peter Zijlstra
2014-07-22 16:17 ` Pawel Moll
2014-07-22 16:29 ` Peter Zijlstra
2014-07-22 16:17 ` Pawel Moll
2014-07-19 5:02 ` Richard Cochran
2014-07-22 16:17 ` Pawel Moll
2014-07-22 16:34 ` Peter Zijlstra
2014-07-22 16:48 ` Pawel Moll
2014-07-22 19:39 ` Richard Cochran
2014-09-12 11:45 ` Pawel Moll
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20140718190602.GE3935@laptop \
--to=peterz@infradead.org \
--cc=akpm@linux-foundation.org \
--cc=baruch@tkos.co.il \
--cc=john.stultz@linaro.org \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@amacapital.net \
--cc=mgorman@suse.de \
--cc=mingo@redhat.com \
--cc=oleg@redhat.com \
--cc=pawel.moll@arm.com \
--cc=rostedt@goodmis.org \
--cc=sboyd@codeaurora.org \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.