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authorDave Brolley <brolley@redhat.com>2009-04-21 11:11:02 -0400
committerDave Brolley <brolley@redhat.com>2009-04-21 11:11:02 -0400
commit09fd19d66b9e3318e9e33f604eb2dbe623955123 (patch)
tree073dc18e4ca3ca4bac674c7225a9a54e5fafc7f7 /testsuite/systemtap.examples/general/grapher.stp
parentd4935c2f80122827a02d9f66c020d7e8ef6d6ade (diff)
parent9a6d143c6e2c79cee1082d0455da92cfa78b03c7 (diff)
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Merge branch 'master' of git://sources.redhat.com/git/systemtap
Conflicts: aclocal.m4 configure
Diffstat (limited to 'testsuite/systemtap.examples/general/grapher.stp')
-rw-r--r--testsuite/systemtap.examples/general/grapher.stp32
1 files changed, 32 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/general/grapher.stp b/testsuite/systemtap.examples/general/grapher.stp
new file mode 100644
index 00000000..04463979
--- /dev/null
+++ b/testsuite/systemtap.examples/general/grapher.stp
@@ -0,0 +1,32 @@
+#! /usr/bin/stap
+
+probe begin
+{
+printf ("%s\n", "%Title:CPU utilization");
+printf ("%s\n", "%XAxisTitle:Time");
+printf ("%s\n", "%YAxisTitle:Percent");
+printf ("%s\n", "%DataSet:cpu 100 00ff00 bar");
+printf ("%s\n", "%DataSet:kbd 100 ff0000 dot");
+}
+
+# CPU utilization
+probe begin { qnames["cpu"] ++; qsq_start ("cpu") }
+probe scheduler.cpu_on { if (!idle) {qs_wait ("cpu") qs_run ("cpu") }}
+probe scheduler.cpu_off { if (!idle) qs_done ("cpu") }
+
+global qnames
+
+function qsq_util_reset(q) {
+ u=qsq_utilization (q, 100)
+ qsq_start (q)
+ return u
+}
+
+probe timer.ms(100) { # collect utilization percentages frequently
+ foreach (q in qnames)
+ printf("cpu %d %d\n", gettimeofday_ms(), qsq_util_reset(q))
+}
+
+probe kernel.function("kbd_event") {
+ printf("kbd %d %d\n", gettimeofday_ms(), 75)
+}