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author | Frank Ch. Eigler <fche@elastic.org> | 2008-04-24 13:55:34 -0400 |
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committer | Frank Ch. Eigler <fche@elastic.org> | 2008-04-24 13:55:34 -0400 |
commit | fe44e686c32ccb684bd5ec6df57aed00532fc024 (patch) | |
tree | 260953c84c8679572d65bf83a65884050f91d2f7 /testsuite/systemtap.examples/small_demos/keyhack.stp | |
parent | f72154b33e67069cd7c308d24255574b9fbacb1d (diff) | |
parent | 478e10649195945adf7153fe5254932df1e2a902 (diff) | |
download | systemtap-steved-fe44e686c32ccb684bd5ec6df57aed00532fc024.tar.gz systemtap-steved-fe44e686c32ccb684bd5ec6df57aed00532fc024.tar.xz systemtap-steved-fe44e686c32ccb684bd5ec6df57aed00532fc024.zip |
Merge branch 'master' of ssh://sources.redhat.com/git/systemtap
* 'master' of ssh://sources.redhat.com/git/systemtap:
Made kernel 2.6.25 changes in task_finder.c.
Move examples to testsuite/systemtap.examples
Diffstat (limited to 'testsuite/systemtap.examples/small_demos/keyhack.stp')
-rwxr-xr-x | testsuite/systemtap.examples/small_demos/keyhack.stp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/small_demos/keyhack.stp b/testsuite/systemtap.examples/small_demos/keyhack.stp new file mode 100755 index 00000000..3137baad --- /dev/null +++ b/testsuite/systemtap.examples/small_demos/keyhack.stp @@ -0,0 +1,15 @@ +#! /usr/bin/env stap + +# This is not useful, but it demonstrates that +# Systemtap can modify variables in a running kernel. + +# Usage: ./keyhack.stp -g + +probe kernel.function("kbd_event") { + # Changes 'm' to 'b' . + if ($event_code == 50) $event_code = 48 +} + +probe end { + printf("\nDONE\n") +} |