#!/usr/sbin/dtrace -Zs /* * pl_calltime.d - measure Perl elapsed times for subroutines. * Written for the Perl DTrace provider. * * $Id: pl_calltime.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $ * * This traces Perl activity from all programs running on the system with * Perl provider support. * * USAGE: pl_calltime.d # hit Ctrl-C to end * * FIELDS: * FILE Filename of the Perl program * TYPE Type of call (sub/total) * NAME Name of call * TOTAL Total elapsed time for calls (us) * * 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); @num[this->file, "sub", this->name] = count(); @num["-", "total", "-"] = count(); @types_incl[this->file, "sub", this->name] = sum(this->elapsed_incl); @types_excl[this->file, "sub", this->name] = sum(this->elapsed_excl); @types_excl["-", "total", "-"] = sum(this->elapsed_excl); self->depth--; self->exclude[self->depth] += this->elapsed_incl; } dtrace:::END { printf("\nCount,\n"); printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "COUNT"); printa(" %-20s %-10s %-32s %@8d\n", @num); normalize(@types_excl, 1000); printf("\nExclusive subroutine elapsed times (us),\n"); printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL"); printa(" %-20s %-10s %-32s %@8d\n", @types_excl); normalize(@types_incl, 1000); printf("\nInclusive subroutine elapsed times (us),\n"); printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL"); printa(" %-20s %-10s %-32s %@8d\n", @types_incl); }