Buildbot/Talos/Profiling: Difference between revisions

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Revision as of 20:29, 26 January 2015

1,066 bytes removed ,  26 January 2015
Talos changes have landed
(update for bug 1121571)
(Talos changes have landed)
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= How to Run Talos in Profiling Mode =
= How to Run Talos in Profiling Mode =


{{warning|We're currently working on some major improvements to Talos profiling in bug 1121571. You'll want to use the in-progress patches from there (or just clone http://hg.mozilla.org/users/mstange_themasta.com/talos-sps-profiling at revision 1a737105cc43), otherwise the results won't be very useful. This work will hopefully land within the next few days. }}
{{warning|Major improvements to Talos profiling from bug 1121571 are about to be turned on on mozilla-central in bug 1123852. The Talos update change has landed on inbound, it'll be on central after the next merge. }}


When profiling is enabled, we use the [https://developer.mozilla.org/en-US/docs/Mozilla/Performance/Profiling_with_the_Built-in_Profiler Gecko Profiler] to capture profiles that can then be displayed by Cleopatra. When running in profiling mode, captured profiles are copied to the upload directory.
When profiling is enabled, we use the [https://developer.mozilla.org/en-US/docs/Mozilla/Performance/Profiling_with_the_Built-in_Profiler Gecko Profiler] to capture profiles that can then be displayed by Cleopatra. When running in profiling mode, captured profiles are copied to the upload directory.
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== On [https://wiki.mozilla.org/Build:TryServer TryServer] ==
== On [https://wiki.mozilla.org/Build:TryServer TryServer] ==


0. Apply this patch to your Gecko repository in order to use the good stuff from [https://bugzilla.mozilla.org/show_bug.cgi?id=1121571 bug 1121571] before it lands (which should happen on Jan 22 2015 at the latest):
0. Make sure your Gecko repository contains [https://hg.mozilla.org/integration/mozilla-inbound/rev/babd56077826 inbound revision babd56077826] so you'll get the good stuff from [https://bugzilla.mozilla.org/show_bug.cgi?id=1121571 bug 1121571] before it's merged to mozilla-central (which should happen some time today):


--- a/testing/talos/talos.json
+++ b/testing/talos/talos.json
@@ -1,16 +1,16 @@
  {
      "talos.zip": {
          "url": "http://talos-bundles.pvt.build.mozilla.org/zips/talos.f3179facd945.zip",
          "path": ""
      },
      "global": {
-        "talos_repo": "https://hg.mozilla.org/build/talos",
-        "talos_revision": "ebc4327b8cb8"
+        "talos_repo": "http://hg.mozilla.org/users/mstange_themasta.com/talos-sps-profiling",
+        "talos_revision": "1a737105cc43"
      },
      "extra_options": {
          "android": [ "--apkPath=%(apk_path)s" ]
      },
      "suites": {
          "chromez": {
              "tests": ["tresize", "tcanvasmark"]
          },
1. When you push to try, add "mozharness: --spsProfile" after "try: ..." to your commit message. Example:
1. When you push to try, add "mozharness: --spsProfile" after "try: ..." to your commit message. Example:


  try: -b o -p linux,linux64,macosx64,win32,win64 -u none -t all[Ubuntu,10.6,10.8,Windows XP,Windows 7,Windows 8] mozharness: --spsProfile
  try: -b o -p linux,linux64,macosx64,win32,win64 -u none -t all[Ubuntu,10.6,10.8,Windows XP,Windows 7,Windows 8] mozharness: --spsProfile


2. When the tests finishes and you view the log, you will see something like
2. When the tests finishes and you select the run in treeherder, you'll see links to open the collect profiles in cleopatra. Click those links.
 
<pre>TinderboxPrint: Uploaded profile_tcanvasmark.sps.zip to http://mozilla-releng-blobs.s3.amazonaws.com/blobs/...</pre>
 
3. Download the zip file from this URL, extract it and see [https://developer.mozilla.org/en-US/docs/Mozilla/Performance/Profiling_with_the_Built-in_Profiler#Upload_and_Share_the_Profile_to_Cleopatra this] page for info about how to open profiles in cleopatra.


== When running Talos locally ==
== When running Talos locally ==
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1. Set the upload folder (make sure it exists):
1. Set the upload folder (make sure it exists):


<pre>export MOZ_UPLOAD_DIR=/home/username/talos/upload</pre>
export MOZ_UPLOAD_DIR=/home/username/talos/upload


2. Run talos with --spsProfile
2. Run talos with --spsProfile


<pre>talos -n -d --develop --executablePath ~/work/gecko-dev/obj-x86_64-unknown-linux-gnu/dist/bin/firefox --activeTests ts --spsProfile</pre>
talos -n -d --develop --executablePath ~/work/gecko-dev/obj-x86_64-unknown-linux-gnu/dist/bin/firefox --activeTests ts --spsProfile


3. You will have one zip file per test in your upload folder. See [https://developer.mozilla.org/en-US/docs/Mozilla/Performance/Profiling_with_the_Built-in_Profiler#Upload_and_Share_the_Profile_to_Cleopatra this] page for info about how to open profiles in cleopatra.  
3. You will have one zip file per test in your upload folder. See [https://developer.mozilla.org/en-US/docs/Mozilla/Performance/Profiling_with_the_Built-in_Profiler#Upload_and_Share_the_Profile_to_Cleopatra this] page for info about how to open profiles in cleopatra.  
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