nfsclienttime (b652778e426d00b6a1df29bbd86869db86f36e25) nfsclienttime (a223d3ed90bfe313ce5987d468a25a915d7d1254)
1#!/bin/sh
2#
3# Copyright (c) 2012 Robert N. M. Watson
4# All rights reserved.
5#
6# This software was developed at the University of Cambridge Computer
7# Laboratory with support from a grant from Google, Inc.
8#
9# Redistribution and use in source and binary forms, with or without
10# modification, are permitted provided that the following conditions
11# are met:
12# 1. Redistributions of source code must retain the above copyright
13# notice, this list of conditions and the following disclaimer.
14# 2. Redistributions in binary form must reproduce the above copyright
15# notice, this list of conditions and the following disclaimer in the
16# documentation and/or other materials provided with the distribution.
17#
18# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28# SUCH DAMAGE.
29#
30# $FreeBSD$
31#
32# This script measures all time spent waiting on RPC replies for each
33# system call, and then generates a histogram of those times sorted by
34# system call name.
35#
36# Currently only supports NFSv3
37#
38# Usage: nfsclienttime
39#
40# Press Ctrl-C to exit and display statistics.
41#
1#!/usr/sbin/dtrace -s
2/*
3 * Copyright (c) 2012 Robert N. M. Watson
4 * All rights reserved.
5 *
6 * This software was developed at the University of Cambridge Computer
7 * Laboratory with support from a grant from Google, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD$
31 *
32 * This script measures all time spent waiting on RPC replies for each
33 * system call, and then generates a histogram of those times sorted by
34 * system call name.
35 *
36 * Currently only supports NFSv3
37 *
38 * Usage: nfsclienttime
39 *
40 * Press Ctrl-C to exit and display statistics.
41 */
42
42
43/usr/sbin/dtrace -n '
44#pragma D option quiet
45
46dtrace:::BEGIN
47{
48 printf("Collecting data...press Ctrl-C to exit.\n");
49}
50
51syscall:::entry

--- 14 unchanged lines hidden (view full) ---

66 self->count += (timestamp - self->timestamp);
67}
68
69syscall:::return
70/self->count != 0/ {
71
72 @syscalls[probefunc] = quantize(self->count);
73}
43#pragma D option quiet
44
45dtrace:::BEGIN
46{
47 printf("Collecting data...press Ctrl-C to exit.\n");
48}
49
50syscall:::entry

--- 14 unchanged lines hidden (view full) ---

65 self->count += (timestamp - self->timestamp);
66}
67
68syscall:::return
69/self->count != 0/ {
70
71 @syscalls[probefunc] = quantize(self->count);
72}
74'