TestEngineering/Performance/Talos/Tests: Difference between revisions

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= At a glance =
= At a glance =
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* Tests are defined in [https://searchfox.org/mozilla-central/source/testing/talos/talos/test.py testing/talos/talos/test.py]
* Tests are defined in [https://searchfox.org/mozilla-central/source/testing/talos/talos/test.py testing/talos/talos/test.py]
* Treeherder abbreviations are defined in [https://searchfox.org/mozilla-central/source/taskcluster/ci/test/talos.yml taskcluster/ci/test/talos.yml]
* Treeherder abbreviations are defined in [https://searchfox.org/mozilla-central/source/taskcluster/ci/test/talos.yml taskcluster/ci/test/talos.yml]
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= Test lifecycle =
= Test lifecycle =
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* Taskcluster schedules [https://searchfox.org/mozilla-central/source/taskcluster/ci/test/talos.yml talos jobs]
* Taskcluster schedules [https://searchfox.org/mozilla-central/source/taskcluster/ci/test/talos.yml talos jobs]
* Taskcluster runs a Talos job on a hardware machine when one is available - this is bootstrapped by [https://searchfox.org/mozilla-central/source/testing/mozharness/mozharness/mozilla/testing/talos.py mozharness]
* Taskcluster runs a Talos job on a hardware machine when one is available - this is bootstrapped by [https://searchfox.org/mozilla-central/source/testing/mozharness/mozharness/mozilla/testing/talos.py mozharness]
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= Test types =
= Test types =
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There are two different species of Talos tests:
There are two different species of Talos tests:
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== Startup ==
== Startup ==
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[https://dxr.mozilla.org/mozilla-central/source/testing/talos/talos/startup_test Startup tests] launch Firefox and measure the time to the onload or paint events. We run this in a series of cycles (default to 20) to generate a full set of data.  Tests that currently are startup tests are:
[https://dxr.mozilla.org/mozilla-central/source/testing/talos/talos/startup_test Startup tests] launch Firefox and measure the time to the onload or paint events. We run this in a series of cycles (default to 20) to generate a full set of data.  Tests that currently are startup tests are:
* [[#ts_paint]]
* [[#ts_paint]]
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== Page load ==
== Page load ==
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Many of the talos tests use the page loader to load a manifest of pages.
Many of the talos tests use the page loader to load a manifest of pages.
These are tests that load a specific page and measure the time it takes to load the page, scroll the page, draw the page etc.  In order to run a page load test, you need a manifest of pages to run.  The manifest is simply a list of URLs of pages to load, separated by carriage returns, e.g.:
These are tests that load a specific page and measure the time it takes to load the page, scroll the page, draw the page etc.  In order to run a page load test, you need a manifest of pages to run.  The manifest is simply a list of URLs of pages to load, separated by carriage returns, e.g.:
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== Heavy ==
== Heavy ==
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All our testing is done with empty blank profiles, this is not ideal for finding issues for end users.  We recently undertook a task to create a daily update to a profile so it is modern and relevant.  It browses a variety of web pages, and have history and cache to give us a more realistic scenario.
All our testing is done with empty blank profiles, this is not ideal for finding issues for end users.  We recently undertook a task to create a daily update to a profile so it is modern and relevant.  It browses a variety of web pages, and have history and cache to give us a more realistic scenario.


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== Web extension ==
== Web extension ==
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Web Extensions are what Firefox has switched to and there are different code paths and APIs used vs addons.  Historically we don't test with addons (other than our test addons) and are missing out on common slowdowns.  In 2017 we started running some startup and basic pageload tests with a web extension in the profile ({{bug|1398974}}).  We have updated the Extension to be more real world and will continue to do that.
Web Extensions are what Firefox has switched to and there are different code paths and APIs used vs addons.  Historically we don't test with addons (other than our test addons) and are missing out on common slowdowns.  In 2017 we started running some startup and basic pageload tests with a web extension in the profile ({{bug|1398974}}).  We have updated the Extension to be more real world and will continue to do that.


== Real-world WebExtensions ==
== Real-world WebExtensions ==
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We've added a variation on our test suite that automatically downloads, installs and enables 5 popular WebExtensions. This is used to measure things like the impact of real-world WebExtensions on start-up time.
We've added a variation on our test suite that automatically downloads, installs and enables 5 popular WebExtensions. This is used to measure things like the impact of real-world WebExtensions on start-up time.


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== Paint ==
== Paint ==
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Paint tests are measuring the time to receive both the [https://developer.mozilla.org/en-US/docs/Web/Events/MozAfterPaint MozAfterPaint] and OnLoad event instead of just the OnLoad event.  Most tests now look for this unless they are an ASAP test, or an internal benchmark
Paint tests are measuring the time to receive both the [https://developer.mozilla.org/en-US/docs/Web/Events/MozAfterPaint MozAfterPaint] and OnLoad event instead of just the OnLoad event.  Most tests now look for this unless they are an ASAP test, or an internal benchmark


== ASAP ==
== ASAP ==
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We have a variety of tests which we now run in ASAP mode where we render as fast as possible (disabling vsync and letting the rendering iterate as fast as it can using `requestAnimationFrame`).  In fact we have replaced some original tests with the 'x' versions to make them measure.  We do this with RequestAnimationFrame().
We have a variety of tests which we now run in ASAP mode where we render as fast as possible (disabling vsync and letting the rendering iterate as fast as it can using `requestAnimationFrame`).  In fact we have replaced some original tests with the 'x' versions to make them measure.  We do this with RequestAnimationFrame().


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== Benchmarks ==
== Benchmarks ==
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Many tests have internal benchmarks which we report as accurately as possible.  These are the exceptions to the general rule of calculating the suite score as a geometric mean of the subtest values (which are median values of the raw data from the subtests).
Many tests have internal benchmarks which we report as accurately as possible.  These are the exceptions to the general rule of calculating the suite score as a geometric mean of the subtest values (which are median values of the raw data from the subtests).


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== Row major vs. column major ==
== Row major vs. column major ==
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To get more stable numbers, tests are run multiple times. There are two ways that we do this: row major and column major. Row major means each test is run multiple times and then we move to the next test (and run it multiple times). Column major means that each test is run once one after the other and then the whole sequence of tests is run again.
To get more stable numbers, tests are run multiple times. There are two ways that we do this: row major and column major. Row major means each test is run multiple times and then we move to the next test (and run it multiple times). Column major means that each test is run once one after the other and then the whole sequence of tests is run again.


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= Page sets =
= Page sets =
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We run our tests 100% offline, but serve pages via a webserver.  Knowing this we need to store and make available the offline pages we use for testing.
We run our tests 100% offline, but serve pages via a webserver.  Knowing this we need to store and make available the offline pages we use for testing.


== tp5pages ==
== tp5pages ==
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Some tests make use of a set of 50 "real world" pages, known as the tp5n set. These pages are not part of the talos repository, but without them the tests which use them won't run.
Some tests make use of a set of 50 "real world" pages, known as the tp5n set. These pages are not part of the talos repository, but without them the tests which use them won't run.
* To add these pages to your local setup, download the latest tp5n zip from [https://mozilla-releng.net/tooltool/ tooltool], and extract it such that `'''tp5n'''` ends up as `testing/talos/talos/tests/'''tp5n'''`. You can also obtain it by running a talos test locally to get the zip into `testing/talos/talos/tests/`, i.e <tt>./mach talos-test --suite damp</tt>
* To add these pages to your local setup, download the latest tp5n zip from [https://mozilla-releng.net/tooltool/ tooltool], and extract it such that `'''tp5n'''` ends up as `testing/talos/talos/tests/'''tp5n'''`. You can also obtain it by running a talos test locally to get the zip into `testing/talos/talos/tests/`, i.e <tt>./mach talos-test --suite damp</tt>
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= Test definitions =
= Test definitions =
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'''Please keep these in alphabetical order'''
'''Please keep these in alphabetical order'''


== a11y ==
== a11y ==
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'''Test Name'''
'''Test Name'''
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== about-newtab ==
== about-newtab ==
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'''Test Name'''
'''Test Name'''
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== about-preferences ==
== about-preferences ==
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'''Test Name'''
'''Test Name'''
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== ARES-6 ==
== ARES-6 ==
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'''Test Name'''
'''Test Name'''
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== Basic compositor video ==
== Basic compositor video ==
 
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'''Test Name'''
'''Test Name'''
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== cpstartup ==
== cpstartup ==
 
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'''Test Name'''
'''Test Name'''
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== DAMP ==
== DAMP ==
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'''Test Name'''
'''Test Name'''
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== displaylist_mutate ==
== displaylist_mutate ==
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'''Test Name'''
'''Test Name'''
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== Dromaeo ==
== Dromaeo ==
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Dromaeo suite of tests for JavaScript performance testing. See the [[Dromaeo|Dromaeo wiki]] for more information.
Dromaeo suite of tests for JavaScript performance testing. See the [[Dromaeo|Dromaeo wiki]] for more information.


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=== Dromaeo CSS ===
=== Dromaeo CSS ===
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'''Test Name'''
'''Test Name'''
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=== Dromaeo DOM (Linux64 only) ===
=== Dromaeo DOM (Linux64 only) ===
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'''Test Name'''
'''Test Name'''
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== glterrain ==
== glterrain ==
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'''Test Name'''
'''Test Name'''
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== glvideo ==
== glvideo ==
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'''Test Name'''
'''Test Name'''
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== jetstream ==
== jetstream ==
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'''Test Name'''
'''Test Name'''
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== kraken ==
== kraken ==
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'''Test Name'''
'''Test Name'''
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== motionmark_animometer ==
== motionmark_animometer ==
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'''Test Name'''
'''Test Name'''
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== motionmark_html ==
== motionmark_html ==
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'''Test Name'''
'''Test Name'''
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== motionmark_webgl ==
== motionmark_webgl ==
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'''Test Name'''
'''Test Name'''
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== pdfpaint ==
== pdfpaint ==
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'''Test Name'''
'''Test Name'''
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== perf-reftest ==
== perf-reftest ==
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'''Test Name'''
'''Test Name'''
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== perf-reftest-singletons ==
== perf-reftest-singletons ==
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'''Test Name'''
'''Test Name'''
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== rasterflood_gradient ==
== rasterflood_gradient ==
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'''Test Name'''
'''Test Name'''
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== rasterflood_svg ==
== rasterflood_svg ==
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'''Test Name'''
'''Test Name'''
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== sessionrestore ==
== sessionrestore ==
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'''Test Name'''
'''Test Name'''
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== sessionrestore_many_windows ==
== sessionrestore_many_windows ==
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'''Test Name'''
'''Test Name'''
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== sessionrestore_no_auto_restore ==
== sessionrestore_no_auto_restore ==
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'''Test Name'''
'''Test Name'''
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== startup_about_home_paint ==
== startup_about_home_paint ==
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'''Test Name'''
'''Test Name'''
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</pre>
</pre>
|}
|}


== startup_about_home_paint_cached ==
== startup_about_home_paint_cached ==
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'''Test Name'''
'''Test Name'''
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== startup_about_home_paint_realworld_webextensions ==
== startup_about_home_paint_realworld_webextensions ==
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'''Test Name'''
'''Test Name'''
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== stylebench ==
== stylebench ==
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'''Test Name'''
'''Test Name'''
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== tabpaint ==
== tabpaint ==
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'''Test Name'''
'''Test Name'''
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== tabswitch ==
== tabswitch ==
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'''Test Name'''
'''Test Name'''
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== tart ==
== tart ==
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'''Test Name'''
'''Test Name'''
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== tart_flex ==
== tart_flex ==
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'''Test Name'''
'''Test Name'''
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== tp5 ==
== tp5 ==
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Note that the tp5 test no longer exists (only talos-tp5o) though many tests still make use of this pageset. Here, we provide an overview of the tp5 pageset and some information about how data using the tp5 pageset might be used in various suites.
Note that the tp5 test no longer exists (only talos-tp5o) though many tests still make use of this pageset. Here, we provide an overview of the tp5 pageset and some information about how data using the tp5 pageset might be used in various suites.


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== tp5o_scroll ==
== tp5o_scroll ==
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'''Test Name'''
'''Test Name'''
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== tp5o_webext ==
== tp5o_webext ==
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'''Test Name'''
'''Test Name'''
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== tpaint ==
== tpaint ==
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{{warning|This test no longer exists}}
{{warning|This test no longer exists}}
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== tresize ==
== tresize ==
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* contact: :jimm
* contact: :jimm
* source: [https://dxr.mozilla.org/mozilla-central/source/testing/talos/talos/startup_test/tresize/addon/content/tresize-test.html tresize-test.html]
* source: [https://dxr.mozilla.org/mozilla-central/source/testing/talos/talos/startup_test/tresize/addon/content/tresize-test.html tresize-test.html]
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== ts_paint ==
== ts_paint ==
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'''Test Name'''
'''Test Name'''
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== ts_paint_flex ==
== ts_paint_flex ==
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'''Test Name'''
'''Test Name'''
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== ts_paint_heavy ==
== ts_paint_heavy ==
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'''Test Name'''
'''Test Name'''
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== ts_paint_webext ==
== ts_paint_webext ==
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'''Test Name'''
'''Test Name'''
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== tscrollx ==
== tscrollx ==
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'''Test Name'''
'''Test Name'''
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== tsvg_static ==
== tsvg_static ==
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'''Test Name'''
'''Test Name'''
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== tsvgm ==
== tsvgm ==
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'''Test Name'''
'''Test Name'''
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== tsvgr_opacity ==
== tsvgr_opacity ==
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'''Test Name'''
'''Test Name'''
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== tsvgx ==
== tsvgx ==
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'''Test Name'''
'''Test Name'''
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== twinopen ==
== twinopen ==
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'''Test Name'''
'''Test Name'''
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== xperf (tp5n) ==
== xperf (tp5n) ==
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* contact: [mailto:fx-perf@mozilla.com fx-perf@mozilla.com]
* contact: [mailto:fx-perf@mozilla.com fx-perf@mozilla.com]
* source: [https://dxr.mozilla.org/mozilla-central/source/testing/talos/talos/xtalos xperf instrumentation]
* source: [https://dxr.mozilla.org/mozilla-central/source/testing/talos/talos/xtalos xperf instrumentation]
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= Build metrics =
= Build metrics =
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These are not part of the Talos code, but like Talos they are benchmarks that record data using the graphserver and are analyzed by the same scripts for regressions.
These are not part of the Talos code, but like Talos they are benchmarks that record data using the graphserver and are analyzed by the same scripts for regressions.


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= Platform microbenchmark =
= Platform microbenchmark =
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== IsASCII and IsUTF8 gtest microbenchmarks ==
== IsASCII and IsUTF8 gtest microbenchmarks ==
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== Microbench ==
== Microbench ==
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* contact: :bholley
* contact: :bholley
* source: [https://dxr.mozilla.org/mozilla-central/source/testing/gtest/mozilla/MozGTestBench.cpp MozGTestBench.cpp]
* source: [https://dxr.mozilla.org/mozilla-central/source/testing/gtest/mozilla/MozGTestBench.cpp MozGTestBench.cpp]
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== PerfStrip Tests ==
== PerfStrip Tests ==
{{delete|Content has been migrated to https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#perfstrip-tests|date=2021-03-16|section=yes}}
* contact: :davidb
* contact: :davidb
* source: https://dxr.mozilla.org/mozilla-central/source/xpcom/tests/gtest/TestStrings.cpp
* source: https://dxr.mozilla.org/mozilla-central/source/xpcom/tests/gtest/TestStrings.cpp
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== Stylo gtest microbenchmarks ==
== Stylo gtest microbenchmarks ==
{{delete|Content has been migrated to https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#stylo-gtest-microbenchmarks|date=2021-03-16|section=yes}}
* contact: :bholley, :SimonSapin
* contact: :bholley, :SimonSapin
* source: [https://dxr.mozilla.org/mozilla-central/source/layout/style/test/gtest]
* source: [https://dxr.mozilla.org/mozilla-central/source/layout/style/test/gtest]
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= History of tp tests =
= History of tp tests =
{{delete|Content has been migrated to https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#history-of-tp-tests|date=2021-03-16|section=yes}}


== tp ==
== tp ==
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