diff options
Diffstat (limited to 'share/dtrace')
| -rw-r--r-- | share/dtrace/Makefile | 21 | ||||
| -rw-r--r-- | share/dtrace/README | 11 | ||||
| -rwxr-xr-x | share/dtrace/hotopen | 58 | ||||
| -rwxr-xr-x | share/dtrace/nfsattrstats | 74 | ||||
| -rwxr-xr-x | share/dtrace/nfsclienttime | 74 | ||||
| -rw-r--r-- | share/dtrace/toolkit/Makefile | 17 |
6 files changed, 255 insertions, 0 deletions
diff --git a/share/dtrace/Makefile b/share/dtrace/Makefile new file mode 100644 index 0000000..adbdc84 --- /dev/null +++ b/share/dtrace/Makefile @@ -0,0 +1,21 @@ +# $FreeBSD$ +# +# Hand installing our scripts and optionally (based on MK_CDDL) installing +# the DTraceToolkit. +# + +.include <bsd.own.mk> + +SUBDIR= ${_toolkit} + +.if ${MK_CDDL} != "no" +_toolkit= toolkit +.endif + +SCRIPTS= nfsclienttime hotopen + +SCRIPTSDIR= ${SHAREDIR}/dtrace + +NO_OBJ= + +.include <bsd.prog.mk> diff --git a/share/dtrace/README b/share/dtrace/README new file mode 100644 index 0000000..e446cee --- /dev/null +++ b/share/dtrace/README @@ -0,0 +1,11 @@ +$FreeBSD$ + +This directory contains scripts for use with the DTrace system. The +toolkit/ directory contains the latest vendor import of Brendan +Gregg's DTraceToolkit while all the other files and directories +contain code generated by the FreeBSD Project for use with DTrace on +FreeBSD. + +NOTE: Do not add new scripts to the DTraceToolkit contained in this +directory. New DTraceToolkit scripts should be send to the maintainer +of the toolkit and then brought back into FreeBSD via future vendor imports. diff --git a/share/dtrace/hotopen b/share/dtrace/hotopen new file mode 100755 index 0000000..1570006 --- /dev/null +++ b/share/dtrace/hotopen @@ -0,0 +1,58 @@ +#!/bin/sh +# +# Copyright (c) 2012 George V. Neville-Neil +# All rights reserved. +# +# 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. +# +# $FreeBSD$ +# +# The hotopen D script periodically outputs table of which UIDs +# are opening files. This is a very quick way to find out if +# a paritcular user is thrashing a system with rapid calls to +# open/close. +# +# Usage: hotopen +# + +/usr/sbin/dtrace -n ' +#pragma D option quiet +BEGIN +{ + printf("Files opened per UID in the last second.\n"); +} + +syscall::open:entry +{ + @files[uid] = count(); + output = 1; +} + +tick-1sec +/output != 0/ +{ + printf("%-20Y \n", walltimestamp); + printa("uid %d\tcount %@d\n", @files, @files); + trunc(@files); + output = 0; +} +' diff --git a/share/dtrace/nfsattrstats b/share/dtrace/nfsattrstats new file mode 100755 index 0000000..364a39a --- /dev/null +++ b/share/dtrace/nfsattrstats @@ -0,0 +1,74 @@ +#!/bin/sh +# +# 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 "-" + +/usr/sbin/dtrace -n ' +#pragma D option quiet + +dtrace:::BEGIN +{ + printf("probe\targ0\texecutable\tsyscall\n"); +} + +syscall:::entry +{ + + self->syscallname = probefunc; +} + +syscall:::return +{ + + self->syscallname = ""; +} + +nfsclient::: +/self->syscallname != 0 && self->syscallname != ""/ +{ + + printf("%s\t%s\t%s\t%s\n", probemod, stringof(arg0), execname, + self->syscallname); +} + +nfsclient::: +/self->syscallname == 0 || self->syscallname == ""/ +{ + + printf("%s\t%s\t%s\t%s\n", probemod, stringof(arg0), execname, + self->syscallname); +} +' diff --git a/share/dtrace/nfsclienttime b/share/dtrace/nfsclienttime new file mode 100755 index 0000000..335f067 --- /dev/null +++ b/share/dtrace/nfsclienttime @@ -0,0 +1,74 @@ +#!/bin/sh +# +# 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 measures all time spent waiting on RPC replies for each +# system call, and then generates a histogram of those times sorted by +# system call name. +# +# Currently only supports NFSv3 +# +# Usage: nfsclienttime +# +# Press Ctrl-C to exit and display statistics. +# + +/usr/sbin/dtrace -n ' +#pragma D option quiet + +dtrace:::BEGIN +{ + printf("Collecting data...press Ctrl-C to exit.\n"); +} + +syscall:::entry +{ + + self->count = 0; +} + +nfsclient:nfs3::start +{ + + self->timestamp = timestamp; +} + +nfsclient:nfs3::done +{ + + self->count += (timestamp - self->timestamp); +} + +syscall:::return +/self->count != 0/ { + + @syscalls[probefunc] = quantize(self->count); +} +' diff --git a/share/dtrace/toolkit/Makefile b/share/dtrace/toolkit/Makefile new file mode 100644 index 0000000..0eb7ff2 --- /dev/null +++ b/share/dtrace/toolkit/Makefile @@ -0,0 +1,17 @@ +#$FreeBSD$ +# +# Install scripts from the DTraceToolkit +# +DTRACETOOLKIT= ../../../cddl/contrib/dtracetoolkit + +SCRIPTS= ${DTRACETOOLKIT}/execsnoop \ + ${DTRACETOOLKIT}/hotuser \ + ${DTRACETOOLKIT}/hotkernel \ + ${DTRACETOOLKIT}/opensnoop \ + ${DTRACETOOLKIT}/procsystime \ + +SCRIPTSDIR= ${SHAREDIR}/dtrace/toolkit + +NO_OBJ= + +.include <bsd.prog.mk> |
