Merge branch 'master' of ssh://sources.redhat.com/git/systemtap into work

1 files changed, 28 insertions, 0 deletions

diff --git a/testsuite/systemtap.examples/process/syscalls_by_pid.stp b/testsuite/systemtap.examples/process/syscalls_by_pid.stp
new file mode 100755
index 00000000..47aa4955
--- /dev/null
+++ b/testsuite/systemtap.examples/process/syscalls_by_pid.stp
@@ -0,0 +1,28 @@
+#! /usr/bin/env stap
+
+# Copyright (C) 2006 IBM Corp.
+#
+# This file is part of systemtap, and is free software.  You can
+# redistribute it and/or modify it under the terms of the GNU General
+# Public License (GPL); either version 2, or (at your option) any
+# later version.
+
+#
+# Print the system call count by process ID in descending order.
+#
+
+global syscalls
+
+probe begin {
+	print ("Collecting data... Type Ctrl-C to exit and display results\n")
+}
+
+probe syscall.* {
+	syscalls[pid()]++
+}
+
+probe end {
+	printf ("%-10s %-s\n", "#SysCalls", "PID")
+	foreach (pid in syscalls-)
+		printf("%-10d %-d\n", syscalls[pid], pid)
+}