#!/usr/sbin/dtrace -Zs
/*
* pl_subcalls.d - measure Perl subroutine calls using DTrace.
* Written for the Perl DTrace provider.
*
* $Id: pl_subcalls.d 25 2007-09-12 09:51:58Z brendan $
*
* This traces Perl activity from all running programs on the system
* which support the Perl DTrace provider.
*
* USAGE: pl_subcalls.d # hit Ctrl-C to end
*
* FIELDS:
* FILE Filename that contained the subroutine
* SUB Perl subroutine name
* CALLS Subroutine calls during this sample
*
* Filename and subroutine names 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
{
@subs[basename(copyinstr(arg1)), copyinstr(arg0)] = count();
}
dtrace:::END
{
printf(" %-32s %-32s %8s\n", "FILE", "SUB", "CALLS");
printa(" %-32s %-32s %@8d\n", @subs);
}