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[Bug runtime/2725] New: Attempting to probe all kernel functions hangs FC5
- From: "ldimaggi at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 1 Jun 2006 18:45:25 -0000
- Subject: [Bug runtime/2725] New: Attempting to probe all kernel functions hangs FC5
- Reply-to: sourceware-bugzilla at sourceware dot org
Attempting to probe all kernel.function's hangs FC5
I'm not sure how realistic a test this is - but it is 100% reproducible on my
Fedora Core 5 system.
Invoking stap with this command hangs the system - power cycle required to clear:
stap -v -p5 -e 'probe kernel.function("*") { printf ("%s %s %d %s ",
"test-> ", execname(), pid(), probefunc() ) }'
I'm not yet sure if one probe is causing the hang - or the accumulation of 10K+
probes.
Systemtap version (built from CVS head 20060601):
SystemTap translator/driver (version 0.5.7 built 2006-06-01)
(Using Red Hat elfutils 0.120 libraries.)
Kernel installed:
kernel-devel-2.6.16-1.2122_FC5
kernel-debuginfo-2.6.16-1.2122_FC5
kernel-2.6.16-1.2122_FC5
--
Summary: Attempting to probe all kernel functions hangs FC5
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: runtime
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: ldimaggi at redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=2725
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