Re: tickless/dynticks + cpufreq = tsc unstable

view
thread

!MAILaRCHIVE_VOTE_RePLACE

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

[view in full thread]

From: Lee Revell <rlrevell@...>

To: Michael Tokarev <mjt@...>

Cc: Linux-kernel <linux-kernel@...>

Subject: Re: tickless/dynticks + cpufreq = tsc unstable

Date: Friday, January 25, 2008 - 7:29 pm

On Jan 25, 2008 6:02 PM, Michael Tokarev <mjt@tls.msk.ru> wrote:
quoted text> Is it normal that once I enable cpufreq on
> a tickless system, it spews a warning:
>
> Clocksource tsc unstable (delta = -288201154 ns)
>
> ?

Yes, it's normal.  Dual core AMD64 machines really do have unstable TSC.

Lee
--
unsubscribe noticeTo unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:

tickless/dynticks + cpufreq = tsc unstable, Michael Tokarev, (Fri Jan 25, 7:02 pm)

Re: tickless/dynticks + cpufreq = tsc unstable, Lee Revell, (Fri Jan 25, 7:29 pm)

Navigation

Popular discussions


linux-kernel:
david	Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3
David Miller	Re: Announce: Linux-next (Or Andrew's dream :-))
Andrea Arcangeli	[PATCH 04 of 12] Moves all mmu notifier methods outside the PT lock (first and not...
Greg Kroah-Hartman	[PATCH 004/196] Chinese: add translation of SubmittingPatches
git:

linux-netdev:
Jarek Poplawski	Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
Gerrit Renker	[PATCH 27/37] dccp: Integration of dynamic feature activation - part 2 (server side)
Arjan van de Ven	Re: [GIT]: Networking
Frans Pop	svc: failed to register lockdv1 RPC service (errno 97).
openbsd-misc:

Colocation donated by:

Online users

Syndicate