[Bug 740149] rtspsrc, rtpjitterbuffer: cpu optimization

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=740149
  GStreamer | gst-plugins-good | 1.4.4

--- Comment #13 from Eloi BAIL <eloi.bail at savoirfairelinux.com> 2014-11-25 20:48:39 UTC ---
(In reply to comment #11)
> From perf, you're bottleneck is "unknown"
> 27.93%  gst-launch-1.0  [unknown]                        [k] 0x7ffff936 
> 
> I think it may be in kernel, have you installed kernel debug info ? Also,
> install debug info for Gst/GLib and libc. You can run "per top -g" to get call
> graph. That will give you the origin of the calls.

Yep. My vmlinux file is 62mo and perform nm on it list symbols. 0x7ffff936 is
not part of my System.map file. I used perf report -k <path to vmlinux>

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