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authorWilliam Cohen <wcohen@localhost.localdomain>2008-04-24 12:20:13 -0400
committerWilliam Cohen <wcohen@localhost.localdomain>2008-04-24 12:20:13 -0400
commit7f79ea13a0f64573ce13353257d322ae49ef0c27 (patch)
tree60de8da5af4c2bcc26abfb9430fdca66bdc20b98 /testsuite/systemtap.examples/small_demos/top.stp
parentf90f92615df6ff2a62282359281889597e5dbf17 (diff)
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Move examples to testsuite/systemtap.examples
Diffstat (limited to 'testsuite/systemtap.examples/small_demos/top.stp')
-rwxr-xr-xtestsuite/systemtap.examples/small_demos/top.stp24
1 files changed, 24 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/small_demos/top.stp b/testsuite/systemtap.examples/small_demos/top.stp
new file mode 100755
index 00000000..b46b9940
--- /dev/null
+++ b/testsuite/systemtap.examples/small_demos/top.stp
@@ -0,0 +1,24 @@
+#!/usr/bin/env stap
+#
+# This script continuously lists the top 20 systemcalls on the system
+#
+
+global syscalls
+
+function print_top () {
+ printf ("SYSCALL\t\t\t\tCOUNT\n")
+ foreach ([name] in syscalls- limit 20)
+ printf("%-20s\t\t%5d\n",name, syscalls[name])
+ printf("--------------------------------------\n")
+ delete syscalls
+}
+
+probe syscall.* {
+ syscalls[probefunc()]++
+}
+
+# print top syscalls every 5 seconds
+probe timer.ms(5000) {
+ print_top ()
+}
+