Changes between Version 4 and Version 5 of Debugging/LowLevelProfiling/oprofile


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Timestamp:
May 9, 2011 9:28:08 PM (4 years ago)
Author:
dterei
Comment:

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  • Debugging/LowLevelProfiling/oprofile

    v4 v5  
    55OProfile does a system-wide profile using performance counters.  It can also generate annotated source/assembly just like VTune.  Unfortunately, because GHC can't export source-level debugging symbols, OProfile cannot do source-level annotation of GHC programs. 
    66 
    7 It can be installed from a package on Ubuntu, which is cool.  But beware: Ubuntu bug 172495: [[https://bugs.launchpad.net/ubuntu/+source/oprofile/+bug/172495/]] : change the `/bin/sh` to `/bin/bash` at the top of `/usr/bin/opcontrol`. 
     7It can be installed from a package on Ubuntu, which is cool. 
    88 
    99There seems to be a problem with the counters just stopping arbitrarily, requiring a restart of the daemon.