Date: Fri, 19 Jan 2007 21:00:36 +0100 From: Roger Olofsson <raggen@passagen.se> To: freebsd-questions@freebsd.org Subject: How to catch a memory leak? Message-ID: <45B12364.903@passagen.se>
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Dear Mailing List,
The application vlc (found in ports) when run on FBSD 5.x and 6.x
behaves as if there's a memory leak somewhere hidden in it. This is
appearing when starting vlc from shell playing a playlist and streaming
video over udp to LAN like so:
vlc --loop playlist.m3u --sout
'#transcode{acodec=mpga,ab=192}:std{access=udp,mux=,dst=239.255.255.255}'
The memory of the machine slowly gets eaten until the application ends
with the message 'Killed' when the memory has run out.
I have adressed this on the vlc forum and I have begun glancing on the
massive source code of this very complex application.
Kris Kennaway has pointed out that it is most likely an issue with threads.
My question is how do I track down a possible memory leak and would
there be a tool to monitor (from outside the application) what process
that allocates memory and how much?
Running it through gdb breaks it and attaching gdp to it while running
breaks it.
Grateful for any pointers to get me in the right direction. Thanks In
Advance.
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