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[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-263-g6ad1ef6
- From: fche at sourceware dot org
- To: systemtap-cvs at sourceware dot org
- Date: 29 Sep 2011 21:36:31 -0000
- Subject: [SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-263-g6ad1ef6
- Reply-to: systemtap at sourceware dot org
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- Log -----------------------------------------------------------------
commit 6ad1ef619bfd78c00c3fbe77376ce0ffbfc49e0d
Author: Frank Ch. Eigler <fche@redhat.com>
Date: Thu Sep 29 17:33:48 2011 -0400
tapset: remove result caching from __find_bdevname
This function is indirectly used from many vfs tapset probe points.
Since it sets/gets an internal script global variable, the current
optimizer does not elide this function, thus wasting time, space, and
risks @cast/kread runtime errors. Let's get rid of the cache, until
the optimizer can do this automagically.
* tapset/vfs.ftp (__find_bdevname): Simplify.
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Summary of changes:
tapset/vfs.stp | 8 +-------
1 files changed, 1 insertions(+), 7 deletions(-)
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systemtap: system-wide probe/trace tool