1N/A#!/usr/sbin/dtrace -Zs
1N/A/*
1N/A * js_calldist.d - measure JavaScript elapsed times for types of operation.
1N/A * Written for the JavaScript DTrace provider.
1N/A *
1N/A * $Id: js_calldist.d 63 2007-10-04 04:34:38Z brendan $
1N/A *
1N/A * This traces JavaScript activity from all browsers running on the system with
1N/A * JavaScript provider support.
1N/A *
1N/A * USAGE: js_calldist.d # hit Ctrl-C to end
1N/A *
1N/A * FIELDS:
1N/A * 1 Filename of the JavaScript program
1N/A * 2 Type of call (func/obj-new)
1N/A * 3 Name of call
1N/A *
1N/A * Filename and function names are printed if available.
1N/A *
1N/A * COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
1N/A *
1N/A * CDDL HEADER START
1N/A *
1N/A * The contents of this file are subject to the terms of the
1N/A * Common Development and Distribution License, Version 1.0 only
1N/A * (the "License"). You may not use this file except in compliance
1N/A * with the License.
1N/A *
1N/A * You can obtain a copy of the license at Docs/cddl1.txt
1N/A * or http://www.opensolaris.org/os/licensing.
1N/A * See the License for the specific language governing permissions
1N/A * and limitations under the License.
1N/A *
1N/A * CDDL HEADER END
1N/A *
1N/A * 09-Sep-2007 Brendan Gregg Created this.
1N/A */
1N/A
1N/A#pragma D option quiet
1N/A
1N/Adtrace:::BEGIN
1N/A{
1N/A printf("Tracing... Hit Ctrl-C to end.\n");
1N/A}
1N/A
1N/Ajavascript*:::function-entry
1N/A{
1N/A self->depth++;
1N/A self->exclude[self->depth] = 0;
1N/A self->function[self->depth] = timestamp;
1N/A}
1N/A
1N/Ajavascript*:::function-return
1N/A/self->function[self->depth]/
1N/A{
1N/A this->elapsed_incl = timestamp - self->function[self->depth];
1N/A this->elapsed_excl = this->elapsed_incl - self->exclude[self->depth];
1N/A self->function[self->depth] = 0;
1N/A self->exclude[self->depth] = 0;
1N/A this->file = basename(copyinstr(arg0));
1N/A this->name = copyinstr(arg2);
1N/A
1N/A @types_incl[this->file, "func", this->name] =
1N/A quantize(this->elapsed_incl / 1000);
1N/A @types_excl[this->file, "func", this->name] =
1N/A quantize(this->elapsed_excl / 1000);
1N/A
1N/A self->depth--;
1N/A self->exclude[self->depth] += this->elapsed_incl;
1N/A}
1N/A
1N/Ajavascript*:::object-create-start
1N/A{
1N/A self->object = timestamp;
1N/A}
1N/A
1N/Ajavascript*:::object-create-done
1N/A/self->object/
1N/A{
1N/A this->elapsed = timestamp - self->object;
1N/A self->object = 0;
1N/A this->file = basename(copyinstr(arg0));
1N/A this->name = copyinstr(arg1);
1N/A
1N/A @types[this->file, "obj-new", this->name] =
1N/A quantize(this->elapsed / 1000);
1N/A
1N/A self->exclude[self->depth] += this->elapsed;
1N/A}
1N/A
1N/Adtrace:::END
1N/A{
1N/A printf("\nElapsed times (us),\n");
1N/A printa(" %s, %s, %s %@d\n", @types);
1N/A
1N/A printf("\nExclusive function elapsed times (us),\n");
1N/A printa(" %s, %s, %s %@d\n", @types_excl);
1N/A
1N/A printf("\nInclusive function elapsed times (us),\n");
1N/A printa(" %s, %s, %s %@d\n", @types_incl);
1N/A}