[Bug runtime/6432] use 2.6.26 probe_kernel_{read,write}
joshua dot i dot stone at intel dot com
sourceware-bugzilla@sourceware.org
Tue May 27 23:34:00 GMT 2008
------- Additional Comments From joshua dot i dot stone at intel dot com 2008-05-27 19:30 -------
Created an attachment (id=2758)
--> (http://sourceware.org/bugzilla/attachment.cgi?id=2758&action=view)
Test the overhead of dereferencing numbers
Run as 'stap -gt deref-long.stp', and add '-DTEST_DIRECT' for direct memory
access. My results on 2.6.26-rc3 x86_64:
OLD:
direct: 1057min/1268avg/10905max
deref: 1073min/1305avg/9405max
NEW:
direct: 1050min/1235avg/9443max
deref: 1238min/1473avg/8850max
--
http://sourceware.org/bugzilla/show_bug.cgi?id=6432
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