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,v 1.1.1.1 2015/09/30 22:01:07 christos Exp $ 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 44 dtrace:::BEGIN 45 { 46 printf("Tracing... Hit Ctrl-C to end.\n"); 47 } 48 49 tcl*:::proc-entry 50 { 51 @calls[pid, "proc", copyinstr(arg0)] = count(); 52 } 53 54 tcl*:::cmd-entry 55 { 56 @calls[pid, "cmd", copyinstr(arg0)] = count(); 57 } 58 59 dtrace:::END 60 { 61 printf(" %6s %-8s %-52s %8s\n", "PID", "TYPE", "NAME", "COUNT"); 62 printa(" %6d %-8s %-52s %@8d\n", @calls); 63 } 64