[TAG] Diagnosing a "hung" process
thomas_adam16 at yahoo.com
Fri Oct 14 23:59:18 MSD 2005
--- Neil Youngman <ny at youngman.org.uk> wrote:
> There is a program that has mostly worked for years, but occasionally
> exhibits some very odd behaviour.
Out of interest, what language is it written in?
> The program monitors a "drop directory" and when files matching
> criteria are dropped in, it processes and deletes them. Occasionally
> process has been seen to stop processing the files for no apparent
> reason. If
> strace is attached to the process using "strace -p pid" the process
> normal activity.
I would use "ddd" (or "gdb") and run it through that, which would log
eveverything, rather than logging the process from the point it hung at
--- which won't capture the error.
-- Thomas Adam
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