diff options
author | Gaetan Nadon <memsize@videotron.ca> | 2011-05-14 13:30:18 -0400 |
---|---|---|
committer | Keith Packard <keithp@keithp.com> | 2011-05-14 11:22:17 -0700 |
commit | dbe26634e4f12eba905540666783c9879aa3a49a (patch) | |
tree | 871ce452298a87ec2fc8a32807c8ce07c7376770 /doc/xml | |
parent | 221507e3bf6fcaa4a4c2e1bc264a1f806b4362c0 (diff) |
doc: add external doc references support to Xserver-DTrace
This makefile is used to build the 60+ docbooks in xorg.
Dtrace is a user document and should be located under doc subdir.
This user document can now refer to external user/specs docs
or can be referred to by such documnets.
Reviewed-by Jeremy Huddleston <jeremyhu@apple.com>
Signed-off-by: Gaetan Nadon <memsize@videotron.ca>
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'doc/xml')
-rw-r--r-- | doc/xml/Makefile.am | 1 | ||||
-rw-r--r-- | doc/xml/dtrace/.gitignore | 3 | ||||
-rw-r--r-- | doc/xml/dtrace/Makefile.am | 36 | ||||
-rw-r--r-- | doc/xml/dtrace/Xserver-DTrace.xml | 579 |
4 files changed, 0 insertions, 619 deletions
diff --git a/doc/xml/Makefile.am b/doc/xml/Makefile.am index b793e7bf0..b35ceec48 100644 --- a/doc/xml/Makefile.am +++ b/doc/xml/Makefile.am @@ -21,7 +21,6 @@ # DEALINGS IN THE SOFTWARE. # -SUBDIRS = dtrace doc_sources = Xserver-spec.xml Xinput.xml # Developer's documentation is not installed diff --git a/doc/xml/dtrace/.gitignore b/doc/xml/dtrace/.gitignore deleted file mode 100644 index e2a21d1e2..000000000 --- a/doc/xml/dtrace/.gitignore +++ /dev/null @@ -1,3 +0,0 @@ -Xserver-DTrace.html -Xserver-DTrace.pdf -Xserver-DTrace.txt diff --git a/doc/xml/dtrace/Makefile.am b/doc/xml/dtrace/Makefile.am deleted file mode 100644 index 1a5ad1511..000000000 --- a/doc/xml/dtrace/Makefile.am +++ /dev/null @@ -1,36 +0,0 @@ -# -# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. -# -# Permission is hereby granted, free of charge, to any person obtaining a -# copy of this software and associated documentation files (the "Software"), -# to deal in the Software without restriction, including without limitation -# the rights to use, copy, modify, merge, publish, distribute, sublicense, -# and/or sell copies of the Software, and to permit persons to whom the -# Software is furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice (including the next -# paragraph) shall be included in all copies or substantial portions of the -# Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL -# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING -# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER -# DEALINGS IN THE SOFTWARE. -# - -doc_sources = Xserver-DTrace.xml - -if ENABLE_DOCS - -# This user's documentation is installed only if tracing is available -if XSERVER_DTRACE -include $(top_srcdir)/doc/xml/xmlrules-inst.in -else -include $(top_srcdir)/doc/xml/xmlrules-noinst.in -endif - -endif - diff --git a/doc/xml/dtrace/Xserver-DTrace.xml b/doc/xml/dtrace/Xserver-DTrace.xml deleted file mode 100644 index 290f0d3eb..000000000 --- a/doc/xml/dtrace/Xserver-DTrace.xml +++ /dev/null @@ -1,579 +0,0 @@ -<?xml version="1.0" encoding="ISO-8859-1"?> -<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" - "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [ - <!ENTITY % defs SYSTEM "/xserver/doc/xml/xserver.ent"> %defs; -]> - -<article id="Xserver-DTrace"> - <articleinfo> - <title>Xserver provider for DTrace</title> - <author> - <firstname>Alan</firstname><surname>Coopersmith</surname> - <affiliation> - <orgname>Oracle Corporation</orgname> - <orgdiv>Solaris Engineering</orgdiv> - </affiliation> - </author> - <releaseinfo>X.Org Xserver version &xserver.version;</releaseinfo> - <legalnotice> - <para> -Copyright (c) 2005, 2006, 2007, 2010, Oracle and/or its affiliates. -All rights reserved. - </para><para> -Permission is hereby granted, free of charge, to any person obtaining a -copy of this software and associated documentation files (the "Software"), -to deal in the Software without restriction, including without limitation -the rights to use, copy, modify, merge, publish, distribute, sublicense, -and/or sell copies of the Software, and to permit persons to whom the -Software is furnished to do so, subject to the following conditions: - </para><para> -The above copyright notice and this permission notice (including the next -paragraph) shall be included in all copies or substantial portions of the -Software. - </para><para> -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL -THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING -FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER -DEALINGS IN THE SOFTWARE. - </para> - </legalnotice> - </articleinfo> - - <sect1 id="introduction"> - <title>Introduction</title> - <para> - This page provides details on a - <ulink url="http://wikis.sun.com/display/DTrace/Statically+Defined+Tracing+for+User+Applications">statically defined user application tracing provider</ulink> - for the - <ulink url="http://hub.opensolaris.org/bin/view/Community+Group+dtrace/">DTrace</ulink> - facility in <productname>Solaris</productname> 10, - <productname>MacOS X</productname> 10.5, and later releases. This - provider instruments various points in the X server, to allow - tracing what client applications are up to. - </para> - - <para> - The provider was integrated into the X.Org git master repository - with Solaris 10 & OpenSolaris support for the Xserver 1.4 release, - released in 2007 with X11R7.3. Support for DTrace on MacOS X - was added in Xserver 1.7. - </para> - - <para> - These probes expose the request and reply structure of the X protocol - between clients and the X server, so an understanding of that basic - nature will aid in learning how to use these probes. - </para> - </sect1> - - <sect1 id="probes"> - <title>Available probes</title> - - <para> - Due to the way User-Defined DTrace probes work, arguments to - these probes all bear undistinguished names of - <parameter>arg0</parameter>, <parameter>arg1</parameter>, - <parameter>arg2</parameter>, etc. These tables should help you - determine what the real data is for each of the probe arguments. - - <table> - <title>Probes and their arguments</title> - <tgroup cols='7'> - <colspec colname="probe" colwidth="2*"/> - <colspec colname="desc" colwidth="3*"/> - <colspec colname="arg0" colwidth="1*"/> - <colspec colname="arg1" colwidth="1*"/> - <colspec colname="arg2" colwidth="1*"/> - <colspec colname="arg3" colwidth="1*"/> - <colspec colname="arg4" colwidth="1*"/> - <spanspec spanname="all" namest="probe" nameend="arg4"/> - <thead> - <row> - <entry>Probe name</entry> - <entry>Description</entry> - <entry>arg0</entry> - <entry>arg1</entry> - <entry>arg2</entry> - <entry>arg3</entry> - <entry>arg4</entry> - </row> - </thead> - <tbody> - <row> - <entry spanname="all" class="grouphead">Request Probes</entry> - </row> - <row> - <entry>request-start</entry> - <entry>Called just before processing each client request.</entry> - <entry><parameter>requestName</parameter></entry> - <entry><parameter>requestCode</parameter></entry> - <entry><parameter>requestLength</parameter></entry> - <entry><parameter>clientId</parameter></entry> - <entry><parameter>requestBuffer</parameter></entry> - </row> - <row> - <entry>request-done</entry> - <entry>Called just after processing each client request.</entry> - <entry><parameter>requestName</parameter></entry> - <entry><parameter>requestCode</parameter></entry> - <entry><parameter>sequenceNumber</parameter></entry> - <entry><parameter>clientId</parameter></entry> - <entry><parameter>resultCode</parameter></entry> - </row> - <row> - <entry spanname="all" class="grouphead">Event Probes</entry> - </row> - <row> - <entry>send-event</entry> - <entry>Called just before send each event to a client.</entry> - <entry><parameter>clientId</parameter></entry> - <entry><parameter>eventCode</parameter></entry> - <entry><parameter>eventBuffer</parameter></entry> - <entry nameend="arg4" class="unused"/> - </row> - <row> - <entry spanname="all" class="grouphead">Client Connection Probes</entry> - </row> - <row> - <entry>client-connect</entry> - <entry>Called when a new connection is opened from a client</entry> - <entry><parameter>clientId</parameter></entry> - <entry><parameter>clientFD</parameter></entry> - <entry nameend="arg4" class="unused"/> - </row> - <row> - <entry>client-auth</entry> - <entry>Called when client authenticates (normally just after connection opened)</entry> - <entry><parameter>clientId</parameter></entry> - <entry><parameter>clientAddr</parameter></entry> - <entry><parameter>clientPid</parameter></entry> - <entry><parameter>clientZoneId</parameter></entry> - <entry nameend="arg4" class="unused"/> - </row> - <row> - <entry>client-disconnect</entry> - <entry>Called when a client connection is closed</entry> - <entry><parameter>clientId</parameter></entry> - <entry nameend="arg4" class="unused"/> - </row> - <row> - <entry spanname="all" class="grouphead">Resource Allocation Probes</entry> - </row> - <row> - <entry>resource-alloc</entry> - <entry>Called when a new resource (pixmap, gc, colormap, etc.) is allocated</entry> - <entry><parameter>resourceId</parameter></entry> - <entry><parameter>resourceTypeId</parameter></entry> - <entry><parameter>resourceValue</parameter></entry> - <entry><parameter>resourceTypeName</parameter></entry> - <entry nameend="arg4" class="unused"/> - </row> - <row> - <entry>resource-free</entry> - <entry>Called when a resource is freed</entry> - <entry><parameter>resourceId</parameter></entry> - <entry><parameter>resourceTypeId</parameter></entry> - <entry><parameter>resourceValue</parameter></entry> - <entry><parameter>resourceTypeName</parameter></entry> - <entry nameend="arg4" class="unused"/> - </row> - </tbody> - </tgroup> - </table> - </para> - </sect1> - - <sect1 id="arguments"> - <title>Data Available in Probe Arguments</title> - - <para> - To access data in arguments of type <type>string</type>, you will need - to use <ulink url="http://wikis.sun.com/display/DTrace/Actions+and+Subroutines#ActionsandSubroutines-{{copyinstr}}"><function>copyinstr()</function></ulink>. - To access data buffers referenced via <type>uintptr_t</type>'s, you will - need to use <ulink url="http://wikis.sun.com/display/DTrace/Actions+and+Subroutines#ActionsandSubroutines-{{copyin}}"><function>copyin()</function></ulink>. - - <table> - <title>Probe Arguments</title> - <tgroup cols='3'> - <colspec colname="arg" colwidth="2*"/> - <colspec colname="type" colwidth="1*"/> - <colspec colname="desc" colwidth="7*"/> - <thead> - <row> - <entry>Argument name</entry> - <entry>Type</entry> - <entry>Description</entry> - </row> - </thead> - <tbody> - <row> - <entry><parameter>clientAddr</parameter></entry> - <entry><type>string</type></entry> - <entry>String representing address client connected from</entry> - </row> - <row> - <entry><parameter>clientFD</parameter></entry> - <entry><type>int</type></entry> - <entry>X server's file descriptor for server side of each connection</entry> - </row> - <row> - <entry><parameter>clientId</parameter></entry> - <entry><type>int</type></entry> - <entry>Unique integer identifier for each connection to the - X server</entry> - </row> - <row> - <entry><parameter>clientPid</parameter></entry> - <entry><type>pid_t</type></entry> - <entry>Process id of client, if connection is local - (from <function>getpeerucred()</function>)</entry> - </row> - <row> - <entry><parameter>clientZoneId</parameter></entry> - <entry><type>zoneid_t</type></entry> - <entry>Solaris: Zone id of client, if connection is local - (from <function>getpeerucred()</function>)</entry> - </row> - <row> - <entry><parameter>eventBuffer</parameter></entry> - <entry><type>uintptr_t</type></entry> - <entry>Pointer to buffer containing X event - decode using - structures in - <<ulink url="http://cgit.freedesktop.org/xorg/proto/xproto/tree/Xproto.h"><filename class="headerfile">X11/Xproto.h</filename></ulink>> - and similar headers for each extension</entry> - </row> - <row> - <entry><parameter>eventCode</parameter></entry> - <entry><type>uint8_t</type></entry> - <entry>Event number of X event</entry> - </row> - <row> - <entry><parameter>resourceId</parameter></entry> - <entry><type>uint32_t</type></entry> - <entry>X resource id (XID)</entry> - </row> - <row> - <entry><parameter>resourceTypeId</parameter></entry> - <entry><type>uint32_t</type></entry> - <entry>Resource type id</entry> - </row> - <row> - <entry><parameter>resourceTypeName</parameter></entry> - <entry><type>string</type></entry> - <entry>String representing X resource type - (<literal>"PIXMAP"</literal>, etc.)</entry> - </row> - <row> - <entry><parameter>resourceValue</parameter></entry> - <entry><type>uintptr_t</type></entry> - <entry>Pointer to data for X resource</entry> - </row> - <row> - <entry><parameter>resultCode</parameter></entry> - <entry><type>int</type></entry> - <entry>Integer code representing result status of request</entry> - </row> - <row> - <entry><parameter>requestBuffer</parameter></entry> - <entry><type>uintptr_t</type></entry> - <entry>Pointer to buffer containing X request - decode using - structures in - <<ulink url="http://cgit.freedesktop.org/xorg/proto/xproto/tree/Xproto.h"><filename class="headerfile">X11/Xproto.h</filename></ulink>> - and similar headers for each extension</entry> - </row> - <row> - <entry><parameter>requestCode</parameter></entry> - <entry><type>uint8_t</type></entry> - <entry>Request number of X request or Extension</entry> - </row> - <row> - <entry><parameter>requestName</parameter></entry> - <entry><type>string</type></entry> - <entry>Name of X request or Extension</entry> - </row> - <row> - <entry><parameter>requestLength</parameter></entry> - <entry><type>uint16_t</type></entry> - <entry>Length of X request</entry> - </row> - <row> - <entry><parameter>sequenceNumber</parameter></entry> - <entry><type>uint32_t</type></entry> - <entry>Number of X request in in this connection</entry> - </row> - </tbody> - </tgroup> - </table> - </para> - </sect1> - - <sect1 id="examples"> - <title>Examples</title> - - <example> - <title>Counting requests by request name</title> - - <para> - This script simply increments a counter for each different request - made, and when you exit the script (such as by hitting - <keycombo action='simul'><keycap>Control</keycap><keycap>C</keycap> - </keycombo>) prints the counts. - - <programlisting> -#!/usr/sbin/dtrace -s - -Xserver*:::request-start -{ - @counts[copyinstr(arg0)] = count(); -} - </programlisting> - - The output from a short run may appear as: - <screen> - QueryPointer 1 - CreatePixmap 2 - FreePixmap 2 - PutImage 2 - ChangeGC 10 - CopyArea 10 - CreateGC 14 - FreeGC 14 - RENDER 28 - SetClipRectangles 40 - </screen> - </para> - - <para> - This can be rewritten slightly to cache the string containing the name - of the request since it will be reused many times, instead of copying - it over and over from the kernel: - - <programlisting> -#!/usr/sbin/dtrace -s - -string Xrequest[uintptr_t]; - -Xserver*:::request-start -/Xrequest[arg0] == ""/ -{ - Xrequest[arg0] = copyinstr(arg0); -} - -Xserver*:::request-start -{ - @counts[Xrequest[arg0]] = count(); -} - </programlisting> - </para> - </example> - - <example> - <title>Get average CPU time per request</title> - - <para>This script records the CPU time used between the probes at - the start and end of each request and aggregates it per request type. - - <programlisting> -#!/usr/sbin/dtrace -s - -Xserver*:::request-start -{ - reqstart = vtimestamp; -} - -Xserver*:::request-done -{ - @times[copyinstr(arg0)] = avg(vtimestamp - reqstart); -} - </programlisting> - - The output from a sample run might look like: - - <screen> - ChangeGC 889 - MapWindow 907 - SetClipRectangles 1319 - PolyPoint 1413 - PolySegment 1434 - PolyRectangle 1828 - FreeCursor 1895 - FreeGC 1950 - CreateGC 2244 - FreePixmap 2246 - GetInputFocus 2249 - TranslateCoords 8508 - QueryTree 8846 - GetGeometry 9948 - CreatePixmap 12111 - AllowEvents 14090 - GrabServer 14791 - MIT-SCREEN-SAVER 16747 - ConfigureWindow 22917 - SetInputFocus 28521 - PutImage 240841 - - </screen> - </para> - </example> - - <example> - <title>Monitoring clients that connect and disconnect</title> - - <para> - This script simply prints information about each client that - connects or disconnects from the server while it is running. - Since the provider is specified as <code>Xserver$1</code> instead - of <code>Xserver*</code> like previous examples, it won't monitor - all Xserver processes running on the machine, but instead expects - the process id of the X server to monitor to be specified as the - argument to the script. - - <programlisting> -#!/usr/sbin/dtrace -s - -Xserver$1:::client-connect -{ - printf("** Client Connect: id %d\n", arg0); -} - -Xserver$1:::client-auth -{ - printf("** Client auth'ed: id %d => %s pid %d\n", - arg0, copyinstr(arg1), arg2); -} - -Xserver$1:::client-disconnect -{ - printf("** Client Disconnect: id %d\n", arg0); -} - </programlisting> - - A sample run: - - <screen> -<prompt>#</prompt> <userinput>./foo.d 5790</userinput> -<computeroutput>dtrace: script './foo.d' matched 4 probes -CPU ID FUNCTION:NAME - 0 15774 CloseDownClient:client-disconnect ** Client Disconnect: id 65 - - 2 15774 CloseDownClient:client-disconnect ** Client Disconnect: id 64 - - 0 15773 EstablishNewConnections:client-connect ** Client Connect: id 64 - - 0 15772 AuthAudit:client-auth ** Client auth'ed: id 64 => local host pid 2034 - - 0 15773 EstablishNewConnections:client-connect ** Client Connect: id 65 - - 0 15772 AuthAudit:client-auth ** Client auth'ed: id 65 => local host pid 2034 - - 0 15774 CloseDownClient:client-disconnect ** Client Disconnect: id 64 - </computeroutput> - </screen> - - </para> - </example> - - <example> - <title>Monitoring clients creating Pixmaps</title> - - <para> - This script can be used to determine which clients are creating - pixmaps in the X server, printing information about each client - as it connects to help trace it back to the program on the other - end of the X connection. - - <programlisting> -#!/usr/sbin/dtrace -qs - -string Xrequest[uintptr_t]; -string Xrestype[uintptr_t]; - -Xserver$1:::request-start -/Xrequest[arg0] == ""/ -{ - Xrequest[arg0] = copyinstr(arg0); -} - -Xserver$1:::resource-alloc -/arg3 != 0 && Xrestype[arg3] == ""/ -{ - Xrestype[arg3] = copyinstr(arg3); -} - - -Xserver$1:::request-start -/Xrequest[arg0] == "X_CreatePixmap"/ -{ - printf("-> %s: client %d\n", Xrequest[arg0], arg3); -} - -Xserver$1:::request-done -/Xrequest[arg0] == "X_CreatePixmap"/ -{ - printf("<- %s: client %d\n", Xrequest[arg0], arg3); -} - -Xserver$1:::resource-alloc -/Xrestype[arg3] == "PIXMAP"/ -{ - printf("** Pixmap alloc: %08x\n", arg0); -} - - -Xserver$1:::resource-free -/Xrestype[arg3] == "PIXMAP"/ -{ - printf("** Pixmap free: %08x\n", arg0); -} - -Xserver$1:::client-connect -{ - printf("** Client Connect: id %d\n", arg0); -} - -Xserver$1:::client-auth -{ - printf("** Client auth'ed: id %d => %s pid %d\n", - arg0, copyinstr(arg1), arg2); -} - -Xserver$1:::client-disconnect -{ - printf("** Client Disconnect: id %d\n", arg0); -} - </programlisting> - - Sample output from a run of this script: - <screen><computeroutput> -** Client Connect: id 17 -** Client auth'ed: id 17 => local host pid 20273 --> X_CreatePixmap: client 17 -** Pixmap alloc: 02200009 -<- X_CreatePixmap: client 17 --> X_CreatePixmap: client 15 -** Pixmap alloc: 01e00180 -<- X_CreatePixmap: client 15 --> X_CreatePixmap: client 15 -** Pixmap alloc: 01e00181 -<- X_CreatePixmap: client 15 --> X_CreatePixmap: client 14 -** Pixmap alloc: 01c004c8 -<- X_CreatePixmap: client 14 -** Pixmap free: 02200009 -** Client Disconnect: id 17 -** Pixmap free: 01e00180 -** Pixmap free: 01e00181 - </computeroutput></screen> - - </para> - - </example> - - - </sect1> - -</article> - |