Merge branch 'master' of ssh://sources.redhat.com/git/systemtap into pr6429-comp-unwindsyms

* 'master' of ssh://sources.redhat.com/git/systemtap:
  simplify systemtap.spec configuration vars
  Handles markers with no format string.
  Fixed task_finder.c kernel 2.6.25 change.
  PR6454: fix "stap -l" listing of space-laden probe point names
  Move examples to testsuite/systemtap.examples.
  PR6451: avoid one class of staprun shutdown deadlock (module/.ctl filehandle = 0)
  Made kernel 2.6.25 changes in task_finder.c.
  Move examples to testsuite/systemtap.examples
  PR6416: extend probing blacklist with more init/exit sections

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")
+}