summaryrefslogtreecommitdiffstats
path: root/testsuite/systemtap.examples/small_demos/top.stp
diff options
context:
space:
mode:
authorFrank Ch. Eigler <fche@elastic.org>2008-04-25 16:33:24 -0400
committerFrank Ch. Eigler <fche@elastic.org>2008-04-25 16:33:24 -0400
commit76d647dc1fdf1d6bb4397f4a3b819003492dfda6 (patch)
tree51b9d7a1f0ee75a41c487828d5e62c6a70b7fd28 /testsuite/systemtap.examples/small_demos/top.stp
parentc47ccf304e6560cb50c86c2a5213c8de56678449 (diff)
parent9f99b110fbee8a6935ca60c152cc3c7cd809461b (diff)
downloadsystemtap-steved-76d647dc1fdf1d6bb4397f4a3b819003492dfda6.tar.gz
systemtap-steved-76d647dc1fdf1d6bb4397f4a3b819003492dfda6.tar.xz
systemtap-steved-76d647dc1fdf1d6bb4397f4a3b819003492dfda6.zip
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
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 ()
+}
+