janne@tjalk src % opreport --demangle=smart --symbols gputrans --merge tgid
warning: /dev/zero could not be found.
CPU: AMD64 processors, speed 2000 MHz (estimated)
Counted CPU_CLK_UNHALTED events (Cycles outside of halt state) with a unit mask of 0x00 (No unit mask) count 100000
Samples on CPU 0
Samples on CPU 1
samples  %        samples  %        image name               symbol name
58989    20.4393  120655   17.5440  libc-2.3.6.so            (no symbols)
37262    12.9110  0              0  libavcodec.so.51.9.0     mpeg_decode_mb
30773    10.6626  481916   70.0737  zero                     (no symbols)
22166     7.6804  0              0  libavcodec.so.51.9.0     put_pixels16_mmx
18734     6.4912  0              0  libavcodec.so.51.9.0     MPV_decode_mb
16985     5.8852  0              0  libavcodec.so.51.9.0     ff_simple_idct_add_mmx
16908     5.8585  0              0  libavcodec.so.51.9.0     MPV_motion
15904     5.5106  0              0  libavcodec.so.51.9.0     put_pixels8_mmx
10940     3.7906  0              0  libavcodec.so.51.9.0     mpeg_decode_slice
10128     3.5093  0              0  libavcodec.so.51.9.0     put_pixels8_xy2_mmx
9012      3.1226  0              0  libavcodec.so.51.9.0     ff_simple_idct_put_mmx
8088      2.8024  0              0  libavcodec.so.51.9.0     ff_er_frame_end
4493      1.5568  71377    10.3787  libGLcore.so.1.0.8762    (no symbols)
3453      1.1964  0              0  libavcodec.so.51.9.0     put_pixels8_y2_mmx2