From 0331c29e0e494d4c1e4fdd05e48a3f88a8caea0b Mon Sep 17 00:00:00 2001 From: Scott Lystig Fritchie Date: Thu, 17 Nov 2011 00:44:30 -0600 Subject: Add DTrace support for OS X, Solaris, and Linux (via SystemTap), 2/4 Add D scripts in the `lib/dtrace/examples` directory. Add SystemTap README and sample scripts, contributed by Andreas Schultz . --- lib/dtrace/examples/user-probe.systemtap | 46 ++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 lib/dtrace/examples/user-probe.systemtap (limited to 'lib/dtrace/examples/user-probe.systemtap') diff --git a/lib/dtrace/examples/user-probe.systemtap b/lib/dtrace/examples/user-probe.systemtap new file mode 100644 index 0000000000..c80bf94697 --- /dev/null +++ b/lib/dtrace/examples/user-probe.systemtap @@ -0,0 +1,46 @@ +/* + * %CopyrightBegin% + * + * Copyright Scott Lystig Fritchie and Andreas Schultz, 2011. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ +/* + * Note: This file assumes that you're using the non-SMP-enabled Erlang + * virtual machine, "beam". The SMP-enabled VM is called "beam.smp". + * Note that other variations of the virtual machine also have + * different names, e.g. the debug build of the SMP-enabled VM + * is "beam.debug.smp". + * + * To use a different virtual machine, replace each instance of + * "beam" with "beam.smp" or the VM name appropriate to your + * environment. + */ + +probe process("dtrace.so").mark("user_trace-s1") +{ + printf("%s\n", user_string($arg1)); +} + +probe process("dtrace.so").mark("user_trace-i4s4") +{ + printf("%s %s %d %d %d %d '%s' '%s' '%s' '%s'\n", + user_string($arg1), + $arg2 == NULL ? "" : user_string($arg2), + $arg3, $arg4, $arg5, $arg6, + $arg7 == NULL ? "" : user_string($arg7), + $arg8 == NULL ? "" : user_string($arg8), + $arg9 == NULL ? "" : user_string($arg9), + $arg9 == NULL ? "" : user_string($arg9)); +} -- cgit v1.2.3