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[Bug tapsets/6972] vfs tapset broken on older kernels


------- Additional Comments From dsmith at redhat dot com  2008-10-22 17:00 -------
(In reply to comment #2)
> The changes look fine to me, athough I'm unsure if all the warning messages
> shown in the logs disappear as a result of the proposed patch.

They didn't.  However, after investigating the "read-only local variable"
warnings and making a few changes, the warnings have decreased.

Here's the output with the updated vfs tapset:

#  stap -p4 testsuite/buildok/vfs-all-probes.stp 
WARNING: side-effect-free probe 'probe_1419': identifier 'vfs' at
testsuite/buildok/vfs-all-probes.stp:5:7
 source: probe vfs.*, 
               ^
WARNING: side-effect-free probe 'probe_1425': identifier 'vfs' at :5:7
 source: probe vfs.*, 
               ^
WARNING: side-effect-free probe 'probe_1429': identifier 'vfs' at :6:7
 source:       vfs.*.*, 
               ^
WARNING: side-effect-free probe 'probe_1431': identifier 'vfs' at :6:7
 source:       vfs.*.*, 
               ^
WARNING: side-effect-free probe 'probe_1433': identifier 'vfs' at :6:7
 source:       vfs.*.*, 
               ^
WARNING: side-effect-free probe 'probe_1435': identifier 'vfs' at :6:7
 source:       vfs.*.*, 
               ^
WARNING: side-effect-free probe 'probe_1437': identifier 'vfs' at :6:7
 source:       vfs.*.*, 
               ^
WARNING: side-effect-free probe 'probe_1451': identifier 'vfs' at :6:7
 source:       vfs.*.*, 
               ^
WARNING: side-effect-free probe 'probe_1485': identifier 'generic' at :8:7
 source:       generic.*.*.* {}
               ^
WARNING: side-effect-free probe 'probe_1499': identifier 'generic' at :8:7
 source:       generic.*.*.* {}
               ^
WARNING: side-effect-free probe 'probe_1501': identifier 'generic' at :8:7
 source:       generic.*.*.* {}
               ^
WARNING: side-effect-free probe 'probe_1503': identifier 'generic' at :8:7
 source:       generic.*.*.* {}
               ^
WARNING: side-effect-free probe 'probe_1505': identifier 'generic' at :8:7
 source:       generic.*.*.* {}
               ^
WARNING: side-effect-free probe 'probe_1513': identifier 'generic' at :8:7
 source:       generic.*.*.* {}
               ^
WARNING: side-effect-free probe 'probe_1415': identifier 'vfs' at :5:7
 source: probe vfs.*, 
               ^
/home/dsmith/.systemtap/cache/99/stap_994f975e538361b8c89320f9b4891499_41716.ko


-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=6972

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