#!/usr/sbin/dtrace -Zs /* * pl_subcalls.d - measure Perl subroutine calls using DTrace. * Written for the Perl DTrace provider. * * $Id: pl_subcalls.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $ * * 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); }