Suppose there's a bug in software (linux stuff) you need to use. You don't know if there are newer/older version of program without this bug. How do you find it out?
This question occurred after the next issue: my program worked for a long time, and I didn't know what code causes it. I used
gprof to find it out but it shows that most of time took
index % time self children called name <spontaneous>  98.0 204.58 4.77 etext 
There is a stackoverflow
pprof question that looks related and answer is bug in
pprof. I suppose
gprof has the same bug and I need to get "right" version of
grof. How do I do it?
I ask the generic question about getting suitable program version, but your help in solving particular case is also appreciated :)
UPD1. Changelog is good but what to do if it doesn't contain information needed?
$ apt-get changelog gprof E: Unable to locate packa
web page of changelogs for ubuntu doesn't contain changelogs of