[FFmpeg-user] Zeranoe Windows builds spiking CPU to 100% randomly

[Roger Pack]

> (in fact the latest...). I am seeing cpu spiking to 100% randomly on the
> first pass of an x264 encode. When this happens the counters freeze and
> ...
> libs (see below). The ONLY thing that is different is a newer version of
> the ffmpeg tree (git-7f83db3 vs git-f514695)

Might be interesting to do a git-bisect on it and see which commit is
the culprit.  Looks like there were a number of changes...
https://github.com/FFmpeg/FFmpeg/compare/f514695...7f83db3
You "can" also tell where a thread is currently at (i.e. "its call
stack when hanging") by using process explorer.  I think you can,
anyway.
GL!
-roger-