15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# The contents of this file are subject to the terms of the
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# Common Development and Distribution License (the "License").
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# You may not use this file except in compliance with the License.
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# or http://www.opensolaris.org/os/licensing.
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# See the License for the specific language governing permissions
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# and limitations under the License.
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# When distributing Covered Code, include this CDDL HEADER in each
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# If applicable, add the following below this CDDL HEADER, with the
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# fields enclosed by brackets "[]" replaced with your own identifying
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# information: Portions Copyright [yyyy] [name of copyright owner]
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# Copyright (c) 2008-2009, Intel Corporation.
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# All Rights Reserved.
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# LatencyTOP 1.0 configuration
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# D <priority> <probe 1> <probe 2> ... <probe n> <Cause>
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# ; <special_command> <option value>
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# D: We use dtrace probes to tag latency to different causes. The entry probe
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# pushes the cause and the priority to a thread local stack, and the return
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# probe pops them. These probes are transformed into:
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# TRANSLATE(entryprobe, returnprobe, cause, priority)
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# and are append to the embedded D script.
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# <special_command>:
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun Microsystems# disable_category <category name> : do not count and display <category name>
15db28971f91c98efb449aebf46024ac72779fa3Krishnendu Sadhukhan - Sun MicrosystemsD 60 sdt:zfs:zil_commit_writer:zil-cw1 sdt:zfs:zil_commit_writer:zil-cw4 ZFS ZIL writer I/O