Hi,

    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
    work.


Jan

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Thu, 6 Dec 2001 10:04:30 -0500 (EST)
Jan Wieck <janwieck@yahoo.com>
Profiling under Linux