From: Thomas Gleixner <tglx@linutronix.de>
To: Chris Friesen <cfriesen@nortel.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Ulrich Drepper <drepper@redhat.com>,
Roland McGrath <roland@redhat.com>
Subject: Re: linux missing support for _POSIX_THREAD_CPUTIME?
Date: Wed, 27 May 2009 18:56:15 +0200 (CEST) [thread overview]
Message-ID: <alpine.LFD.2.00.0905271855290.3397@localhost.localdomain> (raw)
In-Reply-To: <4A1D6E71.90602@nortel.com>
On Wed, 27 May 2009, Chris Friesen wrote:
That's more a question for the glibc folks. CC'ed.
> Hi all,
>
> POSIX defines optional support for clock ID values obtained by invoking
> pthread_getcpuclockid(). When passed to clock_gettime(), this allows
> the caller to request the CPU-time clock of an arbitrary thread within
> the same process as the caller.
>
> It appears that linux doesn't support this functionality--is that
> correct? Is there any plan to enable this?
>
> Is there any current way to obtain the runtime of a particular thread
> without knowing its tid (since the thread_id to tid mapping is known
> only to glibc)?
>
> Thanks,
>
> Chris
>
next prev parent reply other threads:[~2009-05-27 16:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-27 16:46 Chris Friesen
2009-05-27 16:56 ` Thomas Gleixner [this message]
2009-05-27 17:14 ` Chris Friesen
2009-05-27 17:36 ` Thomas Gleixner
2009-05-27 20:00 ` Chris Friesen
2009-05-27 17:49 ` Roland McGrath
2009-05-27 17:00 ` linux missing support for _POSIX_THREAD_CPUTIME ? Chris Friesen
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