57 lines
1.4 KiB
D
Executable File
57 lines
1.4 KiB
D
Executable File
#!/usr/sbin/dtrace -Zs
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/*
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* js_who.d - trace JavaScript function execution by process using DTrace.
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* Written for the JavaScript DTrace provider.
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*
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* $Id: js_who.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $
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*
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* This traces JavaScript activity from all browsers on the system that are
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* running with JavaScript provider support.
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*
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* USAGE: js_who.d # hit Ctrl-C to end
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*
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* FIELDS:
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* PID Process ID of JavaScript
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* UID User ID of the owner
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* FUNCS Number of function calls
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* FILE Pathname of the JavaScript program
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*
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* Filenames are printed if available.
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*
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* COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
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*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at Docs/cddl1.txt
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* CDDL HEADER END
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*
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* 09-Sep-2007 Brendan Gregg Created this.
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*/
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#pragma D option quiet
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dtrace:::BEGIN
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{
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printf("Tracing... Hit Ctrl-C to end.\n");
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}
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javascript*:::function-entry
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{
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@funcs[pid, uid, copyinstr(arg0)] = count();
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}
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dtrace:::END
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{
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printf(" %6s %6s %6s %s\n", "PID", "UID", "FUNCS", "FILE");
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printa(" %6d %6d %@6d %s\n", @funcs);
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}
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