fche changed the topic of #systemtap to: http://sourceware.org/systemtap; email systemtap@sourceware.org if answers here not timely, conversations may be logged
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<CustosLimen> hi
<fche> what's Up?
<CustosLimen> this should print every process that starts right: stap -ve 'probe process.begin { printf("%6d %6d %s\n", pid(), ppid(), cmdline_str()); }' /
<CustosLimen> ah it works now
<fche> great, what was wrong?
<CustosLimen> fche, think it was missing debug symbols
<fche> yeah, that hits many (but not all!) scripts
<fche> e.g. probe syscall.execve may tell you almost as much, without debuginfo
<CustosLimen> I'm trying to find processes that return with non zero code
<fche> hm, probe syscall.exit { if (status != 0) ... } ?
<CustosLimen> but I want it only for exec return basically - will check though
<fche> exec doesn't return except for failure, I see what you mean
<fche> there is a probe syscall.execve.return {} curious how often that hits
<CustosLimen> cant process.end somehow work
<CustosLimen> actually, where can I find docs for it? it seems like it can work
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<fche> man -k process.end works for some probes, not all (-- depends on whether they have extractable documentation in the .stp file)
<fche> stap -L process.end gives you at least confirmation that the probe point exists and lists its $context vars
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