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stap blocked (at stapio)
- From: "Peter Teoh" <htmldeveloper at gmail dot com>
- To: systemtap at sources dot redhat dot com
- Date: Wed, 16 Apr 2008 11:02:31 +0800
- Subject: stap blocked (at stapio)
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stapio:send_unwind_data:64 module sd_mod
stapio:get_module_unwind_data:52 module sd_mod returns 3896
stapio:send_unwind_data:64 module sg
stapio:get_module_unwind_data:52 module sg returns 3288
stapio:send_unwind_data:64 module sky2
stapio:get_module_unwind_data:52 module sky2 returns 4416
When running many of the stap scripts, it blocked here as above. What
are the possible reason? This is git-updated up to latest.
(8a49d1d23c77033bf98fc7b139b37f83e3e0eb49).
This blocked:
probe kernel.function("schedule")
{
printf("Called %s\n", probefunc());
print_backtrace();
}
But not this:
probe begin
{
print ("hello world\n")
exit ()
}
and the latter executed fine.
--
Regards,
Peter Teoh