From: compudj@krystal.dyndns.org (Mathieu Desnoyers)
Subject: [ltt-dev] gettimeofday vs clock_gettime
Date: Fri, 21 May 2010 08:19:45 -0400 [thread overview]
Message-ID: <20100521121945.GB27410@Krystal> (raw)
In-Reply-To: <Pine.GSO.4.58.1005210904080.4590@dexter.ludd.ltu.se>
* Nils Carlson (nils.carlson at ludd.ltu.se) wrote:
> Is there any reason UST uses gettimeofday and not clock_gettime with the
> monotonic clock?
Given that clock_gettime is available as a vDSO too, I see no reason not
to use it instead of gettimeofday. It's clearly closer to the intent.
Eventually, we'd like to create a TRACE_CLOCK version of clock_gettime
that would return the same time base as LTTng.
Thanks,
Mathieu
>
> I'm guessing this has been asked before, but the mailing list doesn't
> really lend itself to searching and there is no FAQ as far as I can tell.
>
> /Nils
>
>
>
> _______________________________________________
> ltt-dev mailing list
> ltt-dev at lists.casi.polymtl.ca
> http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
>
--
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com
next prev parent reply other threads:[~2010-05-21 12:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-21 7:26 Nils Carlson
2010-05-21 12:19 ` Mathieu Desnoyers [this message]
2010-05-21 15:52 ` Pierre-Marc Fournier
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