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| author | William Cohen <wcohen@localhost.localdomain> | 2008-04-24 12:20:13 -0400 |
|---|---|---|
| committer | William Cohen <wcohen@localhost.localdomain> | 2008-04-24 12:20:13 -0400 |
| commit | 7f79ea13a0f64573ce13353257d322ae49ef0c27 (patch) | |
| tree | 60de8da5af4c2bcc26abfb9430fdca66bdc20b98 /testsuite/systemtap.examples/small_demos/keyhack.stp | |
| parent | f90f92615df6ff2a62282359281889597e5dbf17 (diff) | |
| download | systemtap-steved-7f79ea13a0f64573ce13353257d322ae49ef0c27.tar.gz systemtap-steved-7f79ea13a0f64573ce13353257d322ae49ef0c27.tar.xz systemtap-steved-7f79ea13a0f64573ce13353257d322ae49ef0c27.zip | |
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") +} |
