#!/usr/sbin/dtrace -Zs
/*
* pl_calltime.d - measure Perl elapsed times for subroutines.
* Written for the Perl DTrace provider.
*
* $Id: pl_calltime.d 41 2007-09-17 02:20:10Z brendan $
*
* 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);
}