[Bug translator/5667] Exploit kprobe.symbol_name for function boundary tracing
srinivasa at in dot ibm dot com
sourceware-bugzilla@sourceware.org
Fri Jan 25 13:01:00 GMT 2008
------- Additional Comments From srinivasa at in dot ibm dot com 2008-01-25 13:01 -------
Created an attachment (id=2214)
--> (http://sourceware.org/bugzilla/attachment.cgi?id=2214&action=view)
Patch to solve the problem
As Iam looking on this, I have a incomplete patch which collects the symbol
name and assigns it to "kp.symbol_name". There is lot of work is left to
complete
1) Like falling down from no debuginfo condition
2) Looks for kernel version.
3) If we have both symbol name and address, kprobe module doesn't load(Hence
this patch doesn't work). So we need to make sure that, function name is
collected only when there is no debuginfo.
Hope I haven't missed something, please remind me.
Please let me know your comments.
Thanks
Srinivasa DS
--
http://sourceware.org/bugzilla/show_bug.cgi?id=5667
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