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Profile the build system

18,066 bytes added, 14:26, 11 November 2008
m
November 2008
Resources: ted
 
=== Bugzilla ===
A bug has been submitted for enhancement on [[https://bugzilla.mozilla.org/show_bug.cgi?id=459891 Bugzilla]].
== Leader(s) ==
== Project Contributor(s) ==
* Ted Mielczarek
* [[User:twlai1 | Tony Lai]]
* [[User:Zghansar|Zaid Ghansar]]
* [[User:Nadavers|Nino D'Aversa]]
* [[User:jtarka | Jason Tarka]]
* [[User:AaronMT | Aaron Train]]
* [[User:cbishop2 | Chris Bishop]]
* [[User:cdpatel1 | Chinmay Patel]]
* [[User:Evmarbella | Ezadkiel V. Marbella]]
* [[User:Scott | Scott Lunel]]
* [[User:kwpark1 | Park,KiWon]]
* [[User:Felis | Irina Shoykher]]
* [[User:JesseV| Jesse Valianes]]
== Project Details ==
 
* Get where time is spent during the build
** 1 set of data from scratch builds and 1 set of data from rebuilds
 
 
* Collect Data
** Get build time info from others
*** Build From Scratch, Rebuild with no changes, using/not using -j4 option, hardware info (RAM, CPU, RPM):   * The -j4 option is used in the .mozconfig file* -j specifies how many concurrent jobs you can run, so for some parts of the tree you get more makes going at once** mk_add_options MOZ_MAKE_FLAGS=-j4 == Releases ===== Release 0.1 - Oct 13 ======= Goal ====* Try out different build options** See how they affect built* Try profiling the run-time build** Time how long it takes on each file/directory during the build ==== Results for Rebuilds with No Changes====* Looking at the breakdown of the time, it can be seen that dom, browser, content, toolkit, netwerk, and xpcom take up a large portion of the build time* The remaining 39.3% of the build time is divided into layout, intl, embedding and other 23 different directories ===== Charts =====''Data from 10 Rebuilds were used to create the following charts:'' [[Image:TimeChartCondensed.jpg]][[Image:TimeChartAll.jpg]] ===== Data ====={| class="mediawiki sortable" border="1" cellpadding="5" cellspacing="0"|+ Rebuild Profile Data|-| style="background:#DDDDDD;" align="center" | Folders| style="background:#DDDDDD;" align="center" | 1 (sec)| style="background:#DDDDDD;" align="center" | 2 (sec)| style="background:#DDDDDD;" align="center" | 3 (sec)| style="background:#DDDDDD;" align="center" | 4 (sec)| style="background:#DDDDDD;" align="center" | 5 (sec)| style="background:#DDDDDD;" align="center" | 6 (sec)| style="background:#DDDDDD;" align="center" | 7 (sec)| style="background:#DDDDDD;" align="center" | 8 (sec)| style="background:#DDDDDD;" align="center" | 9 (sec)| style="background:#DDDDDD;" align="center" | 10 (sec)| style="background:#DDDDDD;" align="center" | AVG (sec)| style="background:#DDDDDD;" align="center" | %|-| dom| 100.359 | 78.483 | 78.530 | 83.454 | 85.608 | 105.346 | 121.647 | 94.457 | 86.579 | 81.220 | 91.568 | 12.46%|-| content| 107.504 | 72.521 | 76.064 | 72.693 | 72.175 | 84.936 | 101.252 | 75.230 | 76.487 | 70.748 | 80.961 | 11.02%|-| browser| 79.352 | 78.662 | 85.827 | 73.574 | 75.665 | 79.911 | 82.024 | 71.726 | 72.534 | 71.356 | 77.063 | 10.49%|-| netwerk| 73.646 | 58.749 | 68.171 | 61.736 | 61.747 | 77.301 | 89.820 | 66.909 | 65.089 | 59.837 | 68.301 | 9.30%|-| toolkit| 67.833 | 63.092 | 70.699 | 64.975 | 66.265 | 72.723 | 76.762 | 67.938 | 67.456 | 63.604 | 68.135 | 9.27%|-| xpcom| 63.494 | 57.616 | 54.563 | 50.040 | 51.008 | 71.673 | 77.560 | 61.735 | 63.407 | 48.072 | 59.917 | 8.16%|-| layout| 67.544 | 41.636 | 43.673 | 43.222 | 44.494 | 49.144 | 76.850 | 45.768 | 43.555 | 42.665 | 49.855 | 6.79%|-| intl| 50.631 | 40.152 | 42.585 | 40.364 | 40.779 | 52.670 | 59.998 | 44.475 | 40.644 | 38.891 | 45.119 | 6.14%|-| embedding| 39.713 | 33.534 | 33.525 | 34.321 | 35.067 | 39.370 | 44.234 | 36.592 | 34.942 | 33.886 | 36.518 | 4.97%|-| editor| 26.544 | 20.365 | 23.146 | 20.031 | 20.868 | 22.450 | 26.921 | 21.583 | 22.397 | 19.463 | 22.377 | 3.05%|-| gfx | 22.279 | 14.212 | 14.587 | 14.673 | 16.167 | 17.449 | 26.159 | 15.635 | 14.128 | 14.231 | 16.952 | 2.31%|-| docshell | 15.935 | 12.512 | 13.759 | 13.092 | 13.857 | 15.978 | 19.985 | 14.177 | 12.954 | 12.567 | 14.482 | 1.97%|-| rdf | 15.287 | 12.746 | 12.636 | 13.285 | 13.497 | 15.735 | 19.098 | 14.593 | 13.312 | 12.964 | 14.315 | 1.95%|-| xpfe | 11.707 | 10.972 | 11.337 | 11.267 | 11.531 | 12.907 | 13.344 | 11.754 | 11.429 | 10.915 | 11.716 | 1.59%|-| widget | 14.399 | 9.812 | 10.078 | 10.383 | 10.472 | 12.203 | 14.493 | 10.947 | 12.513 | 10.354 | 11.565 | 1.57%|-| nsprpub | 9.411 | 8.017 | 7.098 | 7.356 | 7.802 | 16.656 | 10.980 | 7.587 | 7.347 | 7.373 | 8.963 | 1.22%|-| uriloader | 8.707 | 7.224 | 7.098 | 7.859 | 8.264 | 10.349 | 11.157 | 8.413 | 7.926 | 7.313 | 8.431 | 1.15%|-| storage | 7.811 | 6.412 | 6.708 | 6.909 | 6.848 | 7.746 | 9.900 | 7.387 | 6.413 | 6.513 | 7.265 | 0.99%|-| caps | 6.484 | 5.304 | 5.288 | 5.663 | 6.321 | 6.668 | 6.985 | 6.335 | 5.529 | 5.406 | 5.998 | 0.82%|-| profile | 5.775 | 5.461 | 5.897 | 5.449 | 5.604 | 6.239 | 6.266 | 5.755 | 5.404 | 5.317 | 5.717 | 0.78%|-| xpinstall | 4.772 | 4.072 | 4.570 | 4.243 | 4.264 | 5.161 | 5.592 | 4.349 | 4.183 | 4.068 | 4.527 | 0.62%|-| sun-java | 3.528 | 3.307 | 3.214 | 3.353 | 3.557 | 4.090 | 5.230 | 3.630 | 3.271 | 3.332 | 3.651 | 0.50%|-| extensions | 3.212 | 3.358 | 4.555 | 3.236 | 3.209 | 3.381 | 3.321 | 2.930 | 3.218 | 3.225 | 3.365 | 0.46%|-| chrome | 3.428 | 3.121 | 3.026 | 3.268 | 3.209 | 3.412 | 3.733 | 3.284 | 3.113 | 3.047 | 3.264 | 0.44%|-| db | 2.898 | 2.558 | 2.543 | 2.613 | 2.672 | 2.915 | 3.232 | 2.978 | 2.554 | 2.642 | 2.761 | 0.38%|-| view | 2.768 | 2.497 | 2.434 | 2.609 | 2.570 | 2.926 | 3.120 | 2.626 | 2.832 | 2.538 | 2.692 | 0.37%|-| webshell | 2.585 | 2.477 | 2.709 | 2.541 | 2.565 | 2.946 | 3.311 | 2.745 | 2.601 | 2.437 | 2.692 | 0.37%|-| build | 2.252 | 2.066 | 2.162 | 2.139 | 2.191 | 2.201 | 3.217 | 2.232 | 2.486 | 2.054 | 2.300 | 0.31%|-| jpeg | 3.053 | 1.529 | 2.110 | 1.651 | 1.617 | 2.396 | 2.641 | 1.647 | 1.526 | 1.573 | 1.974 | 0.27%|-| config | 2.131 | 1.373 | 1.466 | 1.489 | 1.422 | 2.659 | 2.424 | 1.425 | 2.003 | 1.364 | 1.776 | 0.24%|-| probes | 0.423 | 0.426 | 0.437 | 0.455 | 0.447 | 0.422 | 0.543 | 0.435 | 0.468 | 0.412 | 0.447 | 0.06%|-|}  * File with data used to generate charts and the charts can be found here: [[Media:RebuildAnalysis.zip | Rebuild Analysis xls]] * A copy of all the logs I used or generated for the results can be found here: [[Media:BuildLogs1.zip | Build Logs Part 1]] and [[Media:BuildLogs2.zip | Build Logs Part 2]] * A copy of the rules.mk I've edited from the config folder can be found here: [[Media:rules.zip | config/rules.mk]] * An interesting and note worthy point in the analysis, is that most of these folders are visited multiple times during the build === Release 0.2 - Nov 10 ======= Goal ====* Capture the processes being spawned during build along with its pid, ppid, time, duration, and working directory* Try identifying the cause for slow Windows build === Release 0.3 - Dec 1 ===* TBA
== Project Data ==
=== Contribution Instructions ===
* Ideas on how to log the following during build time: pid, ppid, start time, end time, process name, current working directory
* <strike>Please feel free to fill in the table to help me collect more data</strike>
* <strike>YOU WILL BE CONSIDERED AS A PROJECT CONTRIBUTOR FOR PROVIDING DATA</strike>
* you can time your build by adding the "time" command in front of your build command like so:
** time make -f client.mk build
* Please feel free to fill in the table to help me collect more data* YOU WILL BE CONSIDER A PROJECT CONTRIBUTOR FOR PROVIDING DATA=== Sample Build Data ==={| class="mediawiki sortable" border="1" cellpadding="5" cellspacing="0"
|+'''Build Time Data'''
|-
! | style="background:#999999;" align="center" | Build From ScratchHH:MM:SS| style="background:#999999;" align="center" | Rebuilt No ChangesHH:MM:SS| style="background:#efefef999999;" colspanalign="2center" | with -j4j#| style="background:#999999;" align="center" | RAM ! (GB)| style="background:#efefef999999;" colspanalign="2center" | without -j4CPU (GHz)! | style="background:#efefef999999;" colspanalign="3center" | HardwareHD ! (rpm)| style="background:#efefef999999;" rowspanalign="2center" | OS! | style="background:#efefef999999;" rowspanalign="2center" | User| style="background:#999999;" align="center" | Mozconfig
|-
| style="background0:55:05| 0:20:#efefef;" align="center" 17| 5| 4 GB| 2.0 Duo| 7200| Build From ScratchVista Business| style="background[[User:#efefef;" align="center" Pplam3| Rebuilt No ChangesPatrick]]| style<pre>mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/../obj-@CONFIG_GUESS@ac_add_options --enable-application=browsermk_add_options MOZ_CO_PROJECT="background:#efefef;" alignbrowsermk_add_options MOZ_MAKE_FLAGS="center" -j5</pre>|-| Build From Scratch1:02:35| style="background0:20:#efefef;" align="center" 09| 5| 4 GB| 2.0 Duo| 7200| Rebuilt No ChangesVista Business| style="background[[User:#efefef;" align="center" Pplam3| RAMPatrick]]| style<pre>mk_add_options MOZ_OBJDIR="background:#efefef;" align@TOPSRCDIR@/../obj-@CONFIG_GUESS@ac_add_options --enable-application="center" | CPUbrowser| stylemk_add_options MOZ_CO_PROJECT="background:#efefef;" alignbrowsermk_add_options MOZ_MAKE_FLAGS="center" | HD (rpm)-j5ac_add_options --disable-vista-sdk-requirementsac_add_options --disable-testsac_add_options --disable-accessibilityac_add_options --disable-mochitest</pre>
|-
| 0:59:00
| 0:2120:45| 4| 4 GB| 2.0 Duo| 7200| Vista Business| [[User:Pplam3|Patrick]]| <pre>mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/../obj-@CONFIG_GUESS@ac_add_options --enable-application=browsermk_add_options MOZ_CO_PROJECT=browsermk_add_options MOZ_MAKE_FLAGS=-j4</pre>|-| 1:15:0025|0:21:22|N/A
| 4 GB
| 2.0 GHz Duo
| 7200
| VistaBusiness
| [[User:Pplam3|Patrick]]
| <pre>mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/../obj-@CONFIG_GUESS@
ac_add_options --enable-application=browser
mk_add_options MOZ_CO_PROJECT=browser
</pre>
|-
|
|
| 1:03:00
|0:18:14| N/A
| 1 GB
| 1.6 GHz Duo|-
| XP Media
| [[User:twlai1|Tony]]
|-
| 0:58:40
| -
| N/A
| 1 GB
| 1.6 Duo
| -
| Ubuntu (VirtualBox)
| [[User:twlai1|Tony]]
|-
| 0:55:00
| -
| 4
| 2.5 GB
| 1.6 AMD TurionX2
| -
| XP Professional
| [[User:zghansar|Zaid]]
|<pre>mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/../obj-@CONFIG_GUESS@
mk_add_options MOZ_MAKE_FLAGS=-j4
ac_add_options --enable-application=browser
ac_add_options --enable-libxul
ac_add_options --disable-tests
ac_add_options --disable-mochitest
ac_add_options --disable-vista-sdk-requirements
</pre>
|-
| real 0:44:29<br />user 0:13:16<br />sys 0:07:52
| real 0:07:48<br />user 0:05:42<br />sys 0:03:29
| 5
| 2.5 GB
| 1.6 AMD TurionX2
| -
| XP Professional
| [[User:zghansar|Zaid]]
|<pre>mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/../obj-@CONFIG_GUESS@
mk_add_options MOZ_MAKE_FLAGS=-j5
ac_add_options --enable-application=browser
ac_add_options --enable-libxul
ac_add_options --disable-tests
ac_add_options --disable-mochitest
ac_add_options --disable-vista-sdk-requirements
</pre>
|-
| real 0:66:34<br />user 0:13:15<br />sys 0:07:54
| real 0:09:00<br />user 0:05:46<br />sys 0:03:41
| N/A
| 2.5 GB
| 1.6 AMD TurionX2
| -
| XP Professional
| [[User:zghansar|Zaid]]
|<pre>mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/../obj-@CONFIG_GUESS@
ac_add_options --enable-application=browser
ac_add_options --enable-libxul
ac_add_options --disable-tests
ac_add_options --disable-mochitest
ac_add_options --disable-vista-sdk-requirements
</pre>
|-
| 1:17:44
| -
| 2
| 1.5 GB
| 1.8 AMD Mobile Sempron
| 5400
| Vista Business (32-bit)
| [[User:Nadavers|Nino]]
|-
| 0:24:15
| 0:01:07
| N/A
| 2 GB
| 2.66 Duo
| 7200
| Ubuntu 8.04 (64-bit)
| [[User:jtarka | Jason]]
|-
| 0:15:12
| 0:01:04
| 4
| 2 GB
| 2.66 Duo
| 7200
| Ubuntu 8.04 (64-bit)
| [[User:jtarka | Jason]]
|-
| 0:28:18
| 0:01:04
| 5
| 1.5 GB
| 1.66 Duo
| 5400
| Ubuntu 8.04 (32-bit)
| [[User:jtarka | Jason]]
|<pre>
mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/../obj-@CONFIG_GUESS@
ac_add_options --enable-application=browser
mk_add_options MOZ_CO_PROJECT=browser
ac_add_options --enable-optimize
ac_add_options --enable-default-toolkit=cairo-gtk2
ac_add_options --disable-tests
ac_add_options --disable-mochitest
mk_add_options AUTOCONF=autoconf2.13
</pre>
|-
| 0:43:14
| -
| -
| 2 GB
| 1.80 AMD Mobile Sempron
| 5400
| Ubuntu 8.04 (32-bit)
| [[User:AaronMT | Aaron T]]
||<pre>mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/../obj-@CONFIG_GUESS@
ac_add_options --disable-optimize
ac_add_options --disable-static --enable-shared
</pre>
|-
| real 0:18:16<br />user 0:10:34<br />sys 0:03:0
| real 0:02:59<br />user 0:04:15<br />sys 0:01:23
| 5
| 2 GB (Upgraded to more/faster rame)
| 2.0 Duo ( OC'd to 2.41 )
| 7200 (src) to External (dest) - speed bump doing this
| Windows XP Professional ( 32-bit) - Visual Studio 2005
| [[User:cbishop2 | Chris Bishop]]
<!-- I hope this is ok since the mozconfig can also affect performance -->
| <pre> . $topsrcdir/browser/config/mozconfig
mk_add_options MOZ_OBJDIR=/i/mozilla/ff-opt
mk_add_options MOZ_MAKE_FLAGS=-j5
ac_add_options --disable-vista-sdk-requirements
ac_add_options --disable-tests
ac_add_options --disable-debug
ac_add_options --disable-accessibility
</pre>
|-
| real 0:29:13<br />user 0:11:26<br />sys 0:03:47
| real 0:05:8<br />user 0:04:47<br />sys 0:01:43
| 5
| 1 GB
| 2.0 Duo ( OC'd to 2.41 )
| 7200
| Windows XP Professional ( 32-bit)
| [[User:cbishop2 | Chris Bishop]]
<!-- I hope this is ok since the mozconfig can also affect performance -->
| <pre>. $topsrcdir/browser/config/mozconfig
mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/ff-opt
mk_add_options MOZ_MAKE_FLAGS=-j5
ac_add_options --disable-tests
</pre>
|-
|real 0:36:50<br />user 0:10:44<br />sys 0:03:30
|real 0:05:7<br />user 0:04:17<br />sys 0:01:31
|5
|1 GB
|2.0 Duo ( OC'd to 2.41 )
|7200
|Windows XP Professional ( 32-bit) - VS 2008 - Vista SDK
|[[User:cbishop2 | Chris Bishop]]
|<pre>. $topsrcdir/browser/config/mozconfig
mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/ff-opt
ac_add_options --disable-vista-sdk-requirements
ac_add_options --disable-tests
ac_add_options --disable-accessibility
</pre>
|-
 
|-
|real 0:27:50<br />user 0:10:51<br />sys 0:03:42
|real 0:04:46<br />user 0:04:21<br />sys 0:01:32
|5
|1 GB
|2.0 Duo ( OC'd to 2.41 )
|7200
|Windows XP Professional ( 32-bit) - VS 2008 - Vista SDK
|[[User:cbishop2 | Chris Bishop]]
|<pre>. $topsrcdir/browser/config/mozconfig
mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/ff-opt
mk_add_options MOZ_MAKE_FLAGS=-j5
ac_add_options --disable-vista-sdk-requirements
ac_add_options --disable-tests
ac_add_options --disable-accessibility
</pre>
|-
| -
|
'''FireFox:'''<br />real 16m12.402s<br />user 2m23.381s<br />sys 5m11.815s <br />
'''ThunderBird'''<br / >real 16m26.193s<br />user 2m15.639s<br />sys 5m4.316s<br />
|5
|2 GB
|AMD turion 64x2
|
|Windows Vista Home ( 32-bit)
|[[User:cdpatel1 | Chinmay Patel]]
|<pre>.
ac_add_options --enable-application=mail
mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/tbird-debug
mk_add_options MOZ_CO_PROJECT=mail,calendar
ac_add_options --disable-optimize
ac_add_options --enable-debug
mk_add_options MOZ_MAKE_FLAGS=-j5
</pre>
|-
|real 33m57.475s<br />user 31m40.558s<br />sys 8m36.924s
|real 2m51.103s<br />user 0m49.142s<br />sys 1m3.305s
|4
|3 GB 667 MHz
|Intel Core 2 Duo 2.16 GHz
|7200
|Mac OSX 10.4.11
|[[User:Evmarbella | Ezadkiel V. Marbella]]
|<pre>. $topsrcdir/browser/config/mozconfig
export MOZCONFIG=~/mozilla/mozconfig-firefox
mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/../obj-@CONFIG_GUESS@
mk_add_options MOZ_MAKE_FLAGS=-j5
mk_add_options MOZ_CO_PROJECT=browser
ac_add_options --enable-debug
ac_add_options --enable-tests
ac_add_options --enable-application=browser
</pre>
|-
|53:43
|22:18
| None
|1 GB
|Intel 3.0 GHZ Single Core
|7200
|Microsoft Windows XP Service Pack 3
|[[User:Scott | Scott Lunel]]
|<pre>mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/obj-firefox
mk_add_options MOZ_CO_PROJECT=browser
ac_add_options --enable-application=browser
ac_add_options --disable-optimize
ac_add_options --enable-debug
ac_add_options --disable-tests
ac_add_options --disable-vista-sdk-requirements
</pre>
|-
|1Hr 15min
|_
| None
|1G
|Intel 1.8 GHZ Duo Core
|7200
|Microsoft Windows XP Service Pack 2
|[[User:kwpark1 | Park,KiWon]]
|<pre>
mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/obj-firefox
mk_add_options MOZ_CO_PROJECT=browser
ac_add_options --enable-application=browser
ac_add_options --disable-optimize
ac_add_options --enable-debug
ac_add_options --enable-tests
</pre>
|-
|1:05:32
|0:11:14
|8
|4G
|Quad-core 2.4
|7200
|Microsoft Windows XP Prof
|[[User:Felis| Irina Shoykher]]
|<pre>
ac_add_options --enable-application=browser
mk_add_options MOZ_CO_PROJECT=browser
ac_add_options --disable-vista-sdk-requirements
ac_add_options --enable-debug
ac_add_options --disable-optimize
ac_add_options --enable-libxul
ac_add_options --disable-tests
ac_add_options --disable-mochitest
ac_add_options --disable-accessibility
mk_add_options MOZ_MAKE_FLAGS=-j8
</pre>
|-
|real 01:25:35<br />user 00:14:08<br />sys 00:18:37
|real 00:19:02<br />user 00:05:44<br />sys 00:07:58
|4
|1 GB
|Pentium 4 2.6C
|7200
|XP Professional
|[[User:JesseV| Jesse Valianes]]
|<pre>
mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/../obj-@CONFIG_GUESS@
mk_add_options MOZ_MAKE_FLAGS=-j4
ac_add_options --enable-application=browser
ac_add_options --enable-libxul
ac_add_options --disable-tests
ac_add_options --disable-mochitest
ac_add_options --disable-vista-sdk-requirements
</pre>
|-
|}
== Project News / Updates ==
=== November 2008 ===<i>11/11/2008 -</i>* Managed to get process duration<i>11/06/2008 -</i>* Captured processes from a "do-nothing rebuild"* Posted description of CSV log on [[https://bugzilla.mozilla.org/show_bug.cgi?id=459891 Bugzilla]]* Trying to get more accurate data for Benjamin<i>11/05/2008 -</i>* Found a similar app to [[http://technet.microsoft.com/en-us/sysinternals/bb896653.aspx Process Explorer]] called [[http://technet.microsoft.com/en-us/sysinternals/bb896645.aspx Process Monitor]]** Captures: pid, ppid, start time, end time, process name** Can build log file* Posted finding on [[https://bugzilla.mozilla.org/show_bug.cgi?id=459891 Bugzilla]]* Asking for further directions/hints for project<i>11/04/2008 -</i>* Played with [[http://technet.microsoft.com/en-us/sysinternals/bb896653.aspx Process Explorer]]** Captured: pid, ppid, start time, end time, process name** Finding ways to log it === October 2008 ===<i>10/20/2008 -</i>* Redo Pie Chart** Used all 10 Rebuild Data* Changed the app to generate better extractions from logs<i>10/17/2008 -</i>* Finished making app to extract times from log** App breaks down log into 3 files*** File with all lines starting with 'make' (directory path) and 'real' (time)*** File with just 1 'make' and 1 'real' line for each time - there are times for multiple 'make'*** File with just level 1 directory times* Adding times up for amount spent in each level 1 directory* Created diagram to illustrate time breakdown<i>10/15/2008 -</i>* Creating app to extract time from log* Timing the build multiple times for both scratch and rebuilds (aiming for 10 builds each)<i>10/13/2008 -</i>* Timed time spent in each directory* Working on extracting the data from log<i>10/02/2008 -</i>* Talked with Ted, guided me to look into rules.mk* Continuing testing for timing the build === September 2008 ===<i>09/30/2008 -</i>* Looked through many files and still haven't found where code for timing can go* Suspect most options don't affect build speed, except -j and optimize<i>09/25/2008 -</i>* After couple more testing with the build options, starting to notice they don't make a big difference<i>09/18/2008 -</i>
* Use time command to time build time
** ie. time make -f client.mk build
* Start collecting data<i>09/17/2008 -</i>
* Built the first time in 1h 20m
* Rebuilt second time in 35m with all apps off
** Understand what each part of the build is taking
** Collect win32 build times from colleagues
<i>09/16/2008 -</i>
* Talked with Ted Mielczarek, briefly discussed about where to start and how to approach this project.
** Start by timing how long each make file is
** Identify which make file takes a long time
<i>09/15/2008 -</i>
* Created Project page for this project.
 
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