Point to CT internal documentation
CT is accessible only by Googlers. New detailed internal documentation has been recently written for CT. This externally visible CT page is now obsolete and has been replaced by a link to the internal documentation.
Bug: skia:12960
Change-Id: I64f94405d6ddd35a94557909ad03a0a7308f287d
Reviewed-on: https://chromium-review.googlesource.com/c/website/+/3641265
Reviewed-by: Jesse McKenna <jessemckenna@google.com>
Reviewed-by: Deep Roy <dproy@chromium.org>
Commit-Queue: Ravi Mistry <rmistry@chromium.org>
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----
-breadcrumbs:
-- - /developers
- - For Developers
-page_name: cluster-telemetry
-title: Cluster Telemetry
----
-
-[Run on Cluster Telemetry!](http://ct.skia.org/) (Google only, sorry)
-
-**Cluster Telemetry 101**
-
-[Telemetry](https://github.com/catapult-project/catapult/tree/HEAD/telemetry)
-is Chrome's performance testing framework, using it you can perform arbitrary
-actions on a set of web pages and report metrics about it.
-
-**Cluster Telemetry** allows you to run telemetry's benchmarks using multiple
-repository patches through Alexa's top 10k and top 100k web pages.
-
-Developers can use the framework to:
-
-* Measure the performance of multi-repo patches against the top subset
- of the internet on Android devices, bare-metal linux machines, and
- GCE instances using the [perf
- page](https://ct.skia.org/chromium_perf/).
-* Gather metrics for analysis or for reports against 100k web pages on
- CT's VM farm (linux and windows) using the [analysis
- page](https://ct.skia.org/chromium_analysis/).
-* Compute metrics on an analysis run using the [metrics analysis
- page](https://ct.skia.org/metrics_analysis/).
-
-**Should I use CT?**
-
-If you would like to know how your patch impacts Chrome's performance or would
-like to do analysis against a large repository of real world web pages then you
-should try out Cluster Telemetry.
-
-CT has been used to gather analysis data for the following projects:
-
-* Web vitals performance
-* Ad tagging accuracy
-* UserCounter analysis
-* Real-world leak detector
-* Gather data for a language detector
-* TTI variability study
-* Analysis of 5M SVGs
-* Stat rare usages
-
-CT has been used to gather perf data for the following projects:
-
-* Slimming paint
-* Clustering top web sites for Chrome graphics
-* Performance data for layer squashing and compositing overlap map
-* SkPaint in Graphics Context
-* Culling
-* New paint dictionary
-
-**Which telemetry benchmarks does CT support?**
-
-CT supports all benchmarks listed in
-[tools/perf/contrib/cluster_telemetry](https://source.chromium.org/chromium/chromium/src/+/HEAD:tools/perf/contrib/cluster_telemetry/;l=1?q=contrib%2Fcluster&sq=&ss=chromium&originalUrl=https:%2F%2Fcs.chromium.org%2F).
-Many of these benchmarks exist outside of CT, but these are the corresponding CT
-compatible versions.
-
-CT also allows you to run against unlanded / modified benchmarks using the
-multi-repo patches supported in the UI.
-
-Can try out your benchmark's CT version locally with:
-
-`python tools/perf/run_benchmark ${YOUR_BENCHMARK} --also-run-disabled-tests
---user-agent=desktop
---urls-list=`[`http://www.google.com`](http://www.google.com/)`
---archive-data-file=/tmp/something --output-dir=/tmp/output/
---browser-executable=/usr/bin/google-chrome --browser=exact --pageset-repeat=1
---output-format=csv --use-live-sites`
-
-**How accurate are CT's results?**
-
-For an empty patch repaint run on Desktop, these are the results:
-
-<img alt="consistent-results.png"
-src="https://lh4.googleusercontent.com/WrHyPEmSptfgO28zEsnN5e1tM-SFXAtlsQoPnKEghkgSZye19OSoiER6CRoQ9D00dSLWT6Kwxhra3YY3aFx743Tl6rNRrkcmITmv23wQkiCouvLNBDwcoUPly9WWRADcraqWfSE"
-height=157px; width=624px;>
-
-The overall results from Cluster Telemetry runs are accurate within a percentage
-point.
-
-The per webpage results (visible when you click on a field) do have some
-variance, but this has been greatly improved due to efforts detailed
-[here](https://docs.google.com/a/chromium.org/document/d/1GhqosQcwsy6F-eBAmFn_ITDF7_Iv_rY9FhCKwAnk9qQ/edit#heading=h.lgvqzgu7bc4d).
-
-**Framework Code and Documentation**
-
-Cluster Telemetry is primarily written in Go with a few Python scripts. The
-frontend is written using Polymer. The framework lives in
-[main/ct](https://skia.googlesource.com/buildbot/+/main/ct).
-
-Here is more detailed documentation for the different pages:
-
-* [Perf
- page](https://docs.google.com/document/d/1GhqosQcwsy6F-eBAmFn_ITDF7_Iv_rY9FhCKwAnk9qQ/edit)
-* [Analysis
- page](https://docs.google.com/document/d/1ziof4lNwDFXyerVbEocdF3_DdUHVnD3FKYB9rShztuE/edit#)
-* [Metrics Analysis
- Page](https://docs.google.com/document/d/1MY95ULhEuKFznBQpF60_uhdhRco5bWzUVfVTp0M2hDw/)
-
-**Contact Us**
-
-If you have questions, please email rmistry@ or
-[cluster-telemetry@google.com](mailto:cluster-telemetry@google.com).
diff --git a/site/developers/index.md b/site/developers/index.md
index 3668365..22c64da 100644
--- a/site/developers/index.md
+++ b/site/developers/index.md
@@ -152,8 +152,8 @@
* [Adding Performance
Tests](/developers/testing/adding-performance-tests)
* [Telemetry: Performance testing framework](/developers/telemetry)
- * [Cluster Telemetry](/developers/cluster-telemetry): Run
- benchmarks against the top 10k web pages
+ * [Cluster Telemetry](https://sites.google.com/corp/google.com/cluster-telemetry/home): Run
+ benchmarks against the top 10k web pages (Googlers-only)
* [Memory](/Home/memory)
* [Profiling Tools](/developers/profiling-chromium-and-webkit):
* [Thread and Task Profiling and
