Date: Tue, 07 Jun 2005 22:23:16 +1200 From: Mark Kirkwood <markir@paradise.net.nz> To: freebsd-stable@freebsd.org Subject: 5.4R - gcc/gprof profile not showing %time information Message-ID: <42A57594.4030406@paradise.net.nz>
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I profiled a program today, and discovered that the end result seems to
be missing information in the '%time' column - it is always zero. Has
something changed with respect to obtaining a profile?
Any suggestions welcome :-)
A simple example follows...
$ gcc -g -pg -o test test.c
$ ./test
$ gprof ./test test.gmon> test.gprof
test.c:
int
main() {
int i;
for (i=0;i<1000000;i++) {
}
return 0;
}
test.gprof:
% cumulative self self total
time seconds seconds calls ms/call ms/call name
0.0 0.00 0.00 1 0.00 0.00 __cxa_finalize [236]
0.0 0.00 0.00 1 0.00 0.00 __sys___sysctl [237]
0.0 0.00 0.00 1 0.00 0.00 _mcleanup (238)
0.0 0.00 0.00 1 0.00 0.00 _profil [239]
0.0 0.00 0.00 1 0.00 0.00 exit [1]
0.0 0.00 0.00 1 0.00 0.00 moncontrol [2]
0.0 0.00 0.00 1 0.00 0.00 sysctl [3]
Index by function name
[236] __cxa_finalize [239] _profil [3] sysctl
[237] __sys___sysctl [1] exit
(238) _mcleanup [2] moncontrol
regards
Mark
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