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blocking
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disklatency
(2.18 KB)
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disklatencycmd
(2.41 KB)
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hotopen
(1.88 KB)
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nfsattrstats
(2.36 KB)
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nfsclienttime
(2.14 KB)
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siftr
(2.65 KB)
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tcpconn
(1.7 KB)
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tcpdebug
(5.83 KB)
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tcpstate
(1.71 KB)
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tcptrack
(2.58 KB)
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udptrack
(1.89 KB)
Editing: nfsattrstats
#!/usr/sbin/dtrace -s /* * Copyright (c) 2012 Robert N. M. Watson * All rights reserved. * * This software was developed at the University of Cambridge Computer * Laboratory with support from a grant from Google, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ * * This script creates a trace of NFS RPCs, NFS attribute cache * activity, and NFS access cache activity, along with the system call * that instigated the activity. Notice that NFS events may happen * outside of the context of a system call, most likely due to the VM * system paging from NFS, in which case the system call name is * reported as "-" */ #pragma D option quiet dtrace:::BEGIN { printf("probe\targ0\texecutable\tsyscall\n"); } syscall:::entry { self->syscallname = probefunc; } syscall:::return { self->syscallname = ""; } nfscl::: /self->syscallname != 0 && self->syscallname != ""/ { printf("%s\t%s\t%s\t%s\n", probemod, stringof(arg0), execname, self->syscallname); } nfscl::: /self->syscallname == 0 || self->syscallname == ""/ { printf("%s\t%s\t%s\t%s\n", probemod, stringof(arg0), execname, self->syscallname); }
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