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Old 10-17-2011, 12:23 PM
Clemens Eisserer
 
Default System-wide profiles don't seem to find debug information since Fedora 15

Hi,

I have been using Sysprof for quite some time, but with Fedora 15 it
stopped working properly.
Where it presented pretty stack-traces including timings in Fedora 14
when debuginfo-packages where installed, it just presents very cryptic
and less informative information since F15 - usually this was only the
case when debuginfo-packages were not installed.

Today I tried oprofile instead, but got the same results - I just get
results with binary granularity:

samples % image name app name symbol name
7712 14.6036 no-vmlinux no-vmlinux /no-vmlinux
7014 13.2818 libgobject-2.0.so.0.3000.0
libgobject-2.0.so.0.3000.0 /lib/libgobject-2.0.so.0.3000.0
6649 12.5907 libpangoft2-1.0.so.0.2904.0
libpangoft2-1.0.so.0.2904.0 /usr/lib/libpangoft2-1.0.so.0.2904.0
6131 11.6098 libglib-2.0.so.0.3000.0 libglib-2.0.so.0.3000.0
/lib/libglib-2.0.so.0.3000.0
4306 8.1539 libcairo.so.2.11000.2 libcairo.so.2.11000.2
/usr/lib/libcairo.so.2.11000.2
3610 6.8360 libpango-1.0.so.0.2904.0 libpango-1.0.so.0.2904.0
/usr/lib/libpango-1.0.so.0.2904.0
1092 2.0678 libpthread-2.14.90.so libpthread-2.14.90.so
pthread_mutex_lock
1044 1.9769 libpixman-1.so.0.22.2 libpixman-1.so.0.22.2
/usr/lib/libpixman-1.so.0.22.2
872 1.6512 libpthread-2.14.90.so libpthread-2.14.90.so
__pthread_mutex_unlock_usercnt
683 1.2933 Xorg Xorg
/usr/bin/Xorg
580 1.0983 libc-2.14.90.so libc-2.14.90.so _int_free
572 1.0831 libc-2.14.90.so libc-2.14.90.so _int_malloc


Any idea whats going wrong here?

Thank you in advance, Clemens
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Old 10-18-2011, 08:24 AM
Clemens Eisserer
 
Default System-wide profiles don't seem to find debug information since Fedora 15

Hi again,

Since it indeed seems to be a regression, I filed a bug-report about this:
https://bugzilla.redhat.com/show_bug.cgi?id=746823

Hopefully when its fixed, I can continue playing with firefox's
performance improvements ...

Thanks, Clemens

2011/10/17 Clemens Eisserer <linuxhippy@gmail.com>:
> Hi,
>
> I have been using Sysprof for quite some time, but with Fedora 15 it
> stopped working properly.
> Where it presented pretty stack-traces including timings in Fedora 14
> when debuginfo-packages where installed, it just presents very cryptic
> and less informative information since F15 - usually this was only the
> case when debuginfo-packages were not installed.
>
> Today I tried oprofile instead, but got the same results - I just get
> results with binary granularity:
>
> samples *% * * * *image name * * * * * * * app name * * * * * * * * symbol name
> 7712 * * 14.6036 *no-vmlinux * * * * * * * no-vmlinux * * * * * * * /no-vmlinux
> 7014 * * 13.2818 *libgobject-2.0.so.0.3000.0
> libgobject-2.0.so.0.3000.0 /lib/libgobject-2.0.so.0.3000.0
> 6649 * * 12.5907 *libpangoft2-1.0.so.0.2904.0
> libpangoft2-1.0.so.0.2904.0 /usr/lib/libpangoft2-1.0.so.0.2904.0
> 6131 * * 11.6098 *libglib-2.0.so.0.3000.0 *libglib-2.0.so.0.3000.0
> /lib/libglib-2.0.so.0.3000.0
> 4306 * * *8.1539 *libcairo.so.2.11000.2 * *libcairo.so.2.11000.2
> /usr/lib/libcairo.so.2.11000.2
> 3610 * * *6.8360 *libpango-1.0.so.0.2904.0 libpango-1.0.so.0.2904.0
> /usr/lib/libpango-1.0.so.0.2904.0
> 1092 * * *2.0678 *libpthread-2.14.90.so * *libpthread-2.14.90.so
> pthread_mutex_lock
> 1044 * * *1.9769 *libpixman-1.so.0.22.2 * *libpixman-1.so.0.22.2
> /usr/lib/libpixman-1.so.0.22.2
> 872 * * * 1.6512 *libpthread-2.14.90.so * *libpthread-2.14.90.so
> __pthread_mutex_unlock_usercnt
> 683 * * * 1.2933 *Xorg * * * * * * * * * * Xorg
> /usr/bin/Xorg
> 580 * * * 1.0983 *libc-2.14.90.so * * * * *libc-2.14.90.so * * * * *_int_free
> 572 * * * 1.0831 *libc-2.14.90.so * * * * *libc-2.14.90.so * * * * *_int_malloc
>
>
> Any idea whats going wrong here?
>
> Thank you in advance, Clemens
>
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