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#!/usr/sbin/dtrace -Zs
/*
* pl_who.d - trace Perl subroutine execution by process using DTrace.
* Written for the Perl DTrace provider.
*
* $Id: pl_who.d 25 2007-09-12 09:51:58Z brendan $
*
* This traces Perl activity from all Perl programs on the system that are
* running with Perl provider support.
*
* USAGE: pl_who.d # hit Ctrl-C to end
*
* FIELDS:
* PID Process ID of Perl
* UID User ID of the owner
* SUBS Number of subroutine calls
* FILE Pathname of the Perl program
*
* Filenames are printed if available.
*
* COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at Docs/cddl1.txt
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* CDDL HEADER END
*
* 09-Sep-2007 Brendan Gregg Created this.
*/
#pragma D option quiet
dtrace:::BEGIN
{
printf("Tracing... Hit Ctrl-C to end.\n");
}
perl*:::sub-entry
{
@lines[pid, uid, copyinstr(arg1)] = count();
}
dtrace:::END
{
printf(" %6s %6s %6s %s\n", "PID", "UID", "SUBS", "FILE");
printa(" %6d %6d %@6d %s\n", @lines);
}
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