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[Bug translator/2900] Using $return variable with return probe causes stap to exit probe on ppc64
- From: "guanglei at cn dot ibm dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 10 Jul 2006 23:16:17 -0000
- Subject: [Bug translator/2900] Using $return variable with return probe causes stap to exit probe on ppc64
- References: <20060710224849.2900.hien@us.ibm.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From guanglei at cn dot ibm dot com 2006-07-10 23:16 -------
(In reply to comment #0)
> I tried the new $return variable for return probe on ppc64, and found that it
> does not work.
>
> #stap -vv -e 'probe kernel.function("sys_read").return{ bytes=$return;
> printf("%d\n", bytes)}'
>
> [....]
I tried it on 2.6.17.4 and 2.6.16.22, using latest systemtap from cvs and
elfutils 0.121-0.1 rpm package, it works really well for me, no error was found.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=2900
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