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From: "Chris Friesen" <cfriesen@nortel.com>
To: linux-kernel@vger.kernel.org, tglx@linutronix.de
Subject: linux missing support for _POSIX_THREAD_CPUTIME?
Date: Wed, 27 May 2009 10:46:41 -0600	[thread overview]
Message-ID: <4A1D6E71.90602@nortel.com> (raw)

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

             reply	other threads:[~2009-05-27 16:46 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-27 16:46 Chris Friesen [this message]
2009-05-27 16:56 ` linux missing support for _POSIX_THREAD_CPUTIME? Thomas Gleixner
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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