Profiling under Linux

Profiling under Linux

Post by Jan Wie » Sat, 08 Dec 2001 00:15:02


    I  had  the  same  problem  with gprof(1) that all the timing
    information is zero. Today I found out what's going on.

    Under Linux  fork(2)  resets  the  ITIMER_PROF.  Getting  the
    itimer  before  the  fork(2)  with getitimer(2) and if pid==0
    setting it with setitimer(2) to what it was  makes  profiling



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