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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/proc_snoop.stp
parentc47ccf304e6560cb50c86c2a5213c8de56678449 (diff)
parent9f99b110fbee8a6935ca60c152cc3c7cd809461b (diff)
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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/proc_snoop.stp')
-rwxr-xr-xtestsuite/systemtap.examples/small_demos/proc_snoop.stp55
1 files changed, 55 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/small_demos/proc_snoop.stp b/testsuite/systemtap.examples/small_demos/proc_snoop.stp
new file mode 100755
index 00000000..24499b4b
--- /dev/null
+++ b/testsuite/systemtap.examples/small_demos/proc_snoop.stp
@@ -0,0 +1,55 @@
+#!/usr/bin/env stap
+
+global start_ts
+
+probe begin {
+ start_ts = gettimeofday_us()
+ printf("%12s %5s %5s %-16s ACTION\n",
+ "TIMESTAMP", "PID", "TID", "EXECNAME")
+}
+
+function report(action:string) {
+ printf("%12d %5d %5d %-16s %s\n", gettimeofday_us() - start_ts,
+ pid(), tid(), execname(), action)
+}
+
+function id:string(task:long) {
+ return sprintf("p:%d t:%d n:%s", task_pid(task), task_tid(task),
+ task_execname(task))
+}
+
+probe process.create {
+ report(sprintf("create %s", id(task)))
+}
+
+probe process.start {
+ report("start")
+}
+
+probe process.exec {
+ report(sprintf("exec %s", filename))
+}
+
+probe process.exec_complete {
+ if (success)
+ report("exec success")
+ else
+ report(sprintf("exec failed %d (%s)", errno, errno_str(errno)))
+}
+
+probe process.exit {
+ report(sprintf("exit %d", code))
+}
+
+probe process.release {
+ report(sprintf("remove %s", id(task)))
+}
+
+probe signal.send {
+ report(sprintf("sigsend %d (%s) to %s%s", sig, sig_name, id(task),
+ shared? " [SHARED]" : ""))
+}
+
+probe signal.handle {
+ report(sprintf("sighandle %d (%s)", sig, sig_name))
+}