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authorhunt <hunt>2007-04-05 19:46:39 +0000
committerhunt <hunt>2007-04-05 19:46:39 +0000
commitd357359ab12c1f6f87123e912d0dfc0954a6b8c8 (patch)
tree57812d2f7baec40533a6c27fb45d85faf0cd8bb7 /runtime/bench2/const.st
parent248ef2c66402533503afae602b73a24ef07d45a8 (diff)
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2007-04-05 Martin Hunt <hunt@redhat.com>
* bench2/var_bench, var.st, const.st: New test.
Diffstat (limited to 'runtime/bench2/const.st')
-rw-r--r--runtime/bench2/const.st31
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diff --git a/runtime/bench2/const.st b/runtime/bench2/const.st
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+# constant variable
+
+# This is a test of the translator's ability to detect
+# when variables are never modified and to optimize
+# reading of them.
+
+global a
+
+# You can put initialization in here
+probe begin {
+ a = 1
+}
+
+# This gets probed millions of times. TEST gets replaces
+# by the real probe point.
+probe TEST {
+ if (a == 0)
+ printf("a is ZERO\n")
+
+}
+
+# something rarely called. Just here to be
+# as close as possible to "var.st".
+probe kernel.function("sys_delete_module")
+{
+}
+
+probe end {
+ printf("a=%d\n", a)
+}
+