From: Damien Wyart <damien.wyart@free.fr>
To: Nix <nix@esperi.org.uk>
Cc: Artur Skawina <art.08.09@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
Venkatesh Pallipadi <venki@google.com>,
John Drescher <drescherjm@gmail.com>,
linux-kernel@vger.kernel.org
Subject: Re: [BISECTED] 2.6.35.*: horrible (exponential? >linear) slowdown to unusability (HPET)
Date: Fri, 10 Sep 2010 09:47:22 +0200 [thread overview]
Message-ID: <20100910074722.GA17716@brouette> (raw)
In-Reply-To: <87eid282pj.fsf@spindle.srvr.nix>
> (hm, odd.
>
> spindle:~# cat /sys/devices/system/clocksource/clocksource0/current_clocksource
> tsc
>
> spindle:~# grep -i tsc /proc/timer_list
> spindle:~# grep -i hpet /proc/timer_list
> Clock Event Device: hpet
> set_next_event: hpet_legacy_next_event
> set_mode: hpet_legacy_set_mode
>
> I suspect current_clocksource doesn't do what we think it does, or the
> clocksource and 'clock event device' are not the same.)
Yes, same here. When saying I was using tsc in my previous mail, I had
run the first command only, but when running the other two, I get the
same results than you, so HPET seems to be used too.
--
Damien Wyart
next prev parent reply other threads:[~2010-09-10 7:47 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-05 0:51 2.6.35.*: horrible (exponential? >linear) slowdown to unusability (ACPI idle?) Nix
2010-09-06 5:32 ` Damien Wyart
2010-09-06 20:27 ` Nix
2010-09-07 5:36 ` Damien Wyart
2010-09-08 21:24 ` Nix
2010-09-08 21:35 ` John Drescher
2010-09-08 22:25 ` Nix
2010-09-09 22:34 ` [BISECTED] 2.6.35.*: horrible (exponential? >linear) slowdown to unusability (HPET) Nix
2010-09-09 23:44 ` John Drescher
2010-09-09 23:57 ` Nix
2010-09-10 0:08 ` John Drescher
2010-09-10 0:14 ` John Drescher
2010-09-10 0:59 ` Artur Skawina
2010-09-10 5:36 ` Damien Wyart
2010-09-10 7:42 ` Nix
2010-09-10 7:47 ` Damien Wyart [this message]
2010-09-10 8:37 ` Thomas Gleixner
2010-09-10 9:41 ` Jiri Slaby
2010-09-10 13:22 ` Artur Skawina
2010-09-10 20:13 ` Nix
2010-09-10 20:12 ` Nix
2010-09-14 10:09 ` Thomas Gleixner
2010-09-14 20:17 ` Nix
2010-09-14 22:18 ` Thomas Gleixner
2010-09-14 22:23 ` Artur Skawina
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