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[Bug tapsets/12338] New: The 'softirq.entry' and 'softirq.exit' probes in tapset/irq.stp need to be updated
- From: "dsmith at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: Tue, 21 Dec 2010 17:06:32 +0000
- Subject: [Bug tapsets/12338] New: The 'softirq.entry' and 'softirq.exit' probes in tapset/irq.stp need to be updated
- Auto-submitted: auto-generated
http://sourceware.org/bugzilla/show_bug.cgi?id=12338
Summary: The 'softirq.entry' and 'softirq.exit' probes in
tapset/irq.stp need to be updated
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: tapsets
AssignedTo: systemtap@sources.redhat.com
ReportedBy: dsmith@redhat.com
The softirq tracepoints signature have been changed by the following kernel
commit:
commit f4bc6bb2d562703eafc895c37e7be20906de139d
Author: Thomas Gleixner <tglx@linutronix.de>
Date: Tue Oct 19 15:00:13 2010 +0200
tracing: Cleanup the convoluted softirq tracepoints
Originally:
# stap -L 'kernel.trace("softirq_entry")'
kernel.trace("softirq_entry") $h:struct softirq_action* $vec:struct
softirq_action*
# stap -L 'kernel.trace("softirq_exit")'
kernel.trace("softirq_exit") $h:struct softirq_action* $vec:struct
softirq_action*
After the above commit:
# stap -L 'kernel.trace("softirq_entry")'
kernel.trace("softirq_entry") $vec_nr:unsigned int
# stap -L 'kernel.trace("softirq_exit")'kernel.trace("softirq_exit")
$vec_nr:unsigned int
The 'softirq.entry' and 'softirq.exit' probes in tapset/irq.stp need to be
updated.
This problem can be seen in rawhide kernel 2.6.37-0.rc6.git5.1.fc15.x86_64.
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