1 #!/usr/sbin/dtrace -Zs 2 /* 3 * sh_calls.d - count Bourne calls (func/builtin/cmd/subsh) using DTrace. 4 * Written for the sh DTrace provider. 5 * 6 * $Id: sh_calls.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $ 7 * 8 * This traces shell activity from all Bourne shells on the system that are 9 * running with sh provider support. 10 * 11 * USAGE: sh_calls.d # hit Ctrl-C to end 12 * 13 * FIELDS: 14 * FILE Filename of the shell or shellscript 15 * TYPE Type of call (func/builtin/cmd/subsh) 16 * NAME Name of call 17 * COUNT Number of calls during sample 18 * 19 * Filename and function names are printed if available. 20 * 21 * COPYRIGHT: Copyright (c) 2007 Brendan Gregg. 22 * 23 * CDDL HEADER START 24 * 25 * The contents of this file are subject to the terms of the 26 * Common Development and Distribution License, Version 1.0 only 27 * (the "License"). You may not use this file except in compliance 28 * with the License. 29 * 30 * You can obtain a copy of the license at Docs/cddl1.txt 31 * or http://www.opensolaris.org/os/licensing. 32 * See the License for the specific language governing permissions 33 * and limitations under the License. 34 * 35 * CDDL HEADER END 36 * 37 * 09-Sep-2007 Brendan Gregg Created this. 38 */ 39 40 #pragma D option quiet 41 42 dtrace:::BEGIN 43 { 44 printf("Tracing... Hit Ctrl-C to end.\n"); 45 } 46 47 sh*:::function-entry 48 { 49 @calls[basename(copyinstr(arg0)), "func", copyinstr(arg1)] = count(); 50 } 51 52 sh*:::builtin-entry 53 { 54 @calls[basename(copyinstr(arg0)), "builtin", copyinstr(arg1)] = count(); 55 } 56 57 sh*:::command-entry 58 { 59 @calls[basename(copyinstr(arg0)), "cmd", copyinstr(arg1)] = count(); 60 } 61 62 sh*:::subshell-entry 63 /arg1 != 0/ 64 { 65 @calls[basename(copyinstr(arg0)), "subsh", "-"] = count(); 66 } 67 68 dtrace:::END 69 { 70 printf(" %-22s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "COUNT"); 71 printa(" %-22s %-10s %-32s %@8d\n", @calls); 72 } 73