1#!/usr/sbin/dtrace -ZCs
2/*
3 * tcl_calls.d - count Tcl calls (proc/cmd) using DTrace.
4 *               Written for the Tcl DTrace provider.
5 *
6 * $Id: tcl_calls.d 63 2007-10-04 04:34:38Z brendan $
7 *
8 * This traces activity from all Tcl processes on the system with DTrace
9 * provider support (tcl8.4.16).
10 *
11 * USAGE: tcl_calls.d 		# hit Ctrl-C to end
12 *
13 * FIELDS:
14 *		PID		Process ID
15 *		TYPE		Type of call (see below)
16 *		NAME		Name of proc or cmd call
17 *		COUNT		Number of calls during sample
18 *
19 * TYPEs:
20 *		proc		procedure
21 *		cmd		command
22 *
23 * PORTIONS: Copyright (c) 2007 Brendan Gregg.
24 *
25 * CDDL HEADER START
26 *
27 *  The contents of this file are subject to the terms of the
28 *  Common Development and Distribution License, Version 1.0 only
29 *  (the "License").  You may not use this file except in compliance
30 *  with the License.
31 *
32 *  You can obtain a copy of the license at Docs/cddl1.txt
33 *  or http://www.opensolaris.org/os/licensing.
34 *  See the License for the specific language governing permissions
35 *  and limitations under the License.
36 *
37 * CDDL HEADER END
38 *
39 * 09-Sep-2007	Brendan Gregg	Created this.
40 */
41
42#pragma D option quiet
43
44dtrace:::BEGIN
45{
46	printf("Tracing... Hit Ctrl-C to end.\n");
47}
48
49tcl*:::proc-entry
50{
51	@calls[pid, "proc", copyinstr(arg0)] = count();
52}
53
54tcl*:::cmd-entry
55{
56	@calls[pid, "cmd", copyinstr(arg0)] = count();
57}
58
59dtrace:::END
60{
61	printf(" %6s %-8s %-52s %8s\n", "PID", "TYPE", "NAME", "COUNT");
62	printa(" %6d %-8s %-52s %@8d\n", @calls);
63}
64