1#!/usr/sbin/dtrace -Zs
2/*
3 * tcl_syscalls.d - count Tcl calls and syscalls using DTrace.
4 *                  Written for the Tcl DTrace provider.
5 *
6 * $Id: tcl_syscalls.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_syscalls.d { -p PID | -c cmd }	# hit Ctrl-C to end
12 *
13 * FIELDS:
14 *		PID		Process ID
15 *		TYPE		Type of call (method/syscall)
16 *		NAME		Name of call
17 *		COUNT		Number of calls during sample
18 *
19 * COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
20 *
21 * CDDL HEADER START
22 *
23 *  The contents of this file are subject to the terms of the
24 *  Common Development and Distribution License, Version 1.0 only
25 *  (the "License").  You may not use this file except in compliance
26 *  with the License.
27 *
28 *  You can obtain a copy of the license at Docs/cddl1.txt
29 *  or http://www.opensolaris.org/os/licensing.
30 *  See the License for the specific language governing permissions
31 *  and limitations under the License.
32 *
33 * CDDL HEADER END
34 *
35 * 09-Sep-2007	Brendan Gregg	Created this.
36 */
37
38#pragma D option quiet
39
40dtrace:::BEGIN
41{
42	printf("Tracing... Hit Ctrl-C to end.\n");
43}
44
45tcl$target:::proc-entry
46{
47	@calls[pid, "proc", copyinstr(arg0)] = count();
48}
49
50tcl$target:::cmd-entry
51{
52	@calls[pid, "cmd", copyinstr(arg0)] = count();
53}
54
55syscall:::entry
56/pid == $target/
57{
58	@calls[pid, "syscall", probefunc] = count();
59}
60
61
62dtrace:::END
63{
64	printf(" %6s %-8s %-52s %8s\n", "PID", "TYPE", "NAME", "COUNT");
65	printa(" %6d %-8s %-52s %@8d\n", @calls);
66}
67