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Server : Apache/2.2.17 (Unix) mod_ssl/2.2.17 OpenSSL/0.9.8e-fips-rhel5 DAV/2 PHP/5.2.17 System : Linux localhost 2.6.18-419.el5 #1 SMP Fri Feb 24 22:47:42 UTC 2017 x86_64 User : nobody ( 99) PHP Version : 5.2.17 Disable Function : NONE Directory : /usr/share/doc/systemtap-client-1.8/examples/profiling/ |
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#!/usr/bin/stap
global profile[20000], pcount
probe timer.profile {
pcount <<< 1
fn = user_mode() ?
("u:".umodname(uaddr()).":".usymname(uaddr())) :
("k:".modname(addr()).":".symname(addr()));
profile[fn] <<< 1
}
probe timer.ms(5000) {
printf ("\n--- %d samples recorded:\n", @count(pcount))
foreach (f in profile- limit 20) {
printf ("%-30s\t%6d\n", f, @count(profile[f]))
}
delete profile
delete pcount
}