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[Bug uprobes/6841] system-wide utrace syscall tracing script don't respond signal
- From: "dsmith at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 14 Aug 2008 21:08:16 -0000
- Subject: [Bug uprobes/6841] system-wide utrace syscall tracing script don't respond signal
- References: <20080813164019.6841.mhiramat@redhat.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From dsmith at redhat dot com 2008-08-14 21:08 -------
Here's a somewhat unrelated issue. Here's the output of the original script
after 5 seconds on a system not really doing anything:
audispd(1526) issues syscall 2 times
rsyslogd(1547) issues syscall 11 times
hald-addon-stor(1794) issues syscall 7 times
automount(1814) issues syscall 20 times
setroubleshootd(1832) issues syscall 6 times
sendmail(1969) issues syscall 10 times
kerneloops(2005) issues syscall 5 times
stapio(4070) issues syscall 53 times
Here's the same output with the timer set to 30 seconds:
auditd(1524) issues syscall 2 times
audispd(1526) issues syscall 3 times
rsyslogd(1547) issues syscall 11 times
rpcbind(1565) issues syscall 3 times
hald(1698) issues syscall 4 times
hald-addon-stor(1794) issues syscall 13 times
automount(1814) issues syscall 120 times
setroubleshootd(1832) issues syscall 31 times
ntpd(1949) issues syscall 40 times
sendmail(1969) issues syscall 55 times
crond(1996) issues syscall 28 times
kerneloops(2005) issues syscall 13 times
stapio(4288) issues syscall 303 times
Over 5 and 30 seconds, stapio was the biggest issuer of system calls by far.
stapio may be polling too often.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=6841
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