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List:       freedesktop-xorg
Subject:    Re: EXA
From:       Soeren Sandmann <sandmann () daimi ! au ! dk>
Date:       2007-08-07 16:47:43
Message-ID: ye88x8ncmvk.fsf () camel29 ! daimi ! au ! dk
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Lukas Hejtmanek <xhejtman@ics.muni.cz> writes:

> 3) really huge amount of cpu (more than 50 % actually) is spent in the syscall
>    clock_gettime. (The process is Xserver.) I wonder why? (unfortunately,
>    sysprof nor oprofile can track calls sequence including the kernel, or at
>    least I'm unable to do it with the tools.)

Actually the SVN trunk version of sysprof does track system calls back
into userspace. I have put up a tarball of a snapshot here:

    http://www.daimi.au.dk/~sandmann/sysprof/sysprof-1.1.0-2007-08-07.tar.gz


Soren
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