#!/usr/sbin/dtrace -Zs /* * pl_calldist.d - measure Perl elapsed times for subroutines. * Written for the Perl DTrace provider. * * $Id: pl_calldist.d,v 1.1.1.1 2015/09/30 22:01:06 christos Exp $ * * This traces Perl activity from all programs running on the system with * Perl provider support. * * USAGE: pl_calldist.d # hit Ctrl-C to end * * This script prints distribution plots of elapsed time for Perl subroutines. * Use pl_calltime.d for summary reports. * * FIELDS: * 1 Filename of the Perl program * 2 Type of call (sub) * 3 Name of call * * 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 { self->depth++; self->exclude[self->depth] = 0; self->sub[self->depth] = timestamp; } perl*:::sub-return /self->sub[self->depth]/ { this->elapsed_incl = timestamp - self->sub[self->depth]; this->elapsed_excl = this->elapsed_incl - self->exclude[self->depth]; self->sub[self->depth] = 0; self->exclude[self->depth] = 0; this->file = basename(copyinstr(arg1)); this->name = copyinstr(arg0); @types_incl[this->file, "sub", this->name] = quantize(this->elapsed_incl / 1000); @types_excl[this->file, "sub", this->name] = quantize(this->elapsed_excl / 1000); self->depth--; self->exclude[self->depth] += this->elapsed_incl; } dtrace:::END { printf("\nExclusive subroutine elapsed times (us),\n"); printa(" %s, %s, %s %@d\n", @types_excl); printf("\nInclusive subroutine elapsed times (us),\n"); printa(" %s, %s, %s %@d\n", @types_incl); }