155714Skris#!/usr/sbin/dtrace -Zs 255714Skris/* 355714Skris * tcl_who.d - trace Tcl calls by process using DTrace. 455714Skris * Written for the Tcl DTrace provider. 555714Skris * 655714Skris * $Id: tcl_who.d 63 2007-10-04 04:34:38Z brendan $ 755714Skris * 855714Skris * This traces activity from all Tcl processes on the system with DTrace 955714Skris * provider support (tcl8.4.16). 1055714Skris * 1155714Skris * USAGE: tcl_who.d # hit Ctrl-C to end 1255714Skris * 1355714Skris * FIELDS: 1455714Skris * PID Process ID of Tcl 1555714Skris * UID User ID of the owner 1655714Skris * CALLS Number of calls made (proc + cmd) 1755714Skris * ARGS Process name and arguments 1855714Skris * 1955714Skris * Calls is a measure of activity, and is a count of the procedures and 2055714Skris * commands that Tcl called. 2155714Skris * 2255714Skris * The argument list is truncated at 55 characters (up to 80 is easily 2355714Skris * available). To easily read the full argument list, use other system tools; 2455714Skris * on Solaris use "pargs PID". 2555714Skris * 2655714Skris * COPYRIGHT: Copyright (c) 2007 Brendan Gregg. 2755714Skris * 2855714Skris * CDDL HEADER START 2955714Skris * 3055714Skris * The contents of this file are subject to the terms of the 3155714Skris * Common Development and Distribution License, Version 1.0 only 3255714Skris * (the "License"). You may not use this file except in compliance 3355714Skris * with the License. 3455714Skris * 3555714Skris * You can obtain a copy of the license at Docs/cddl1.txt 3655714Skris * or http://www.opensolaris.org/os/licensing. 3755714Skris * See the License for the specific language governing permissions 3855714Skris * and limitations under the License. 3955714Skris * 4055714Skris * CDDL HEADER END 4155714Skris * 4255714Skris * 09-Sep-2007 Brendan Gregg Created this. 4355714Skris */ 4455714Skris 4555714Skris#pragma D option quiet 4655714Skris 4755714Skrisdtrace:::BEGIN 4855714Skris{ 4955714Skris printf("Tracing... Hit Ctrl-C to end.\n"); 5055714Skris} 5155714Skris 5255714Skristcl*:::proc-entry, 5355714Skristcl*:::cmd-entry 5455714Skris{ 5555714Skris @calls[pid, uid, curpsinfo->pr_psargs] = count(); 5655714Skris} 5755714Skris 5855714Skrisdtrace:::END 5959191Skris{ 6055714Skris printf(" %6s %6s %6s %-55s\n", "PID", "UID", "CALLS", "ARGS"); 6155714Skris printa(" %6d %6d %@6d %-55.55s\n", @calls); 6255714Skris} 6355714Skris