[CentOS] Is oprofile still working?
Hywel Richards
hywelbr at googlemail.com
Mon Aug 16 08:54:04 UTC 2010
Peter Kjellstrom wrote:
> I guess that means that there is a problem with the data collected.
> All the
> warnings about vdso ranges that can't be found is strange (I don't get that
> here). Are the tgids in that list special in any way?
>
I'm not sure what would make tgids special - as I'm not exactly sure
what they are in the first place (some sort of special thread id's?).
> Is this on a single machine or on several?
>
Seems to be happening on two separate machines - both 32bit, though.
> Do you know if this strange behaviour persists over reboots?
>
Yes, a reboot doesn't seem to make any difference.
> Anything strange in ~/.oprofile? If you don't have customizations remove it
> and let oprofile re-create it.
>
I've tried that now - again, doesn't seem to make any difference.
I also uninstalled oprofile, did a "rm -r /var/lib/oprofile", and a
reinstall, but I still get the same behaviour.
> I notice that you're on 32-bit while I'm on x86_64. That may or may
> not be
> relevant. I don't have any 32-bit machines around to test on though.
>
>
Maybe this is the problem then.
What we need is someone else to report that oprofile works on a 32-bit
machine to confirm that I'm totally jinxed :-)
Hywel.
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