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Diffstat (limited to 'site/dev/testing/ct.md')
-rw-r--r-- | site/dev/testing/ct.md | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/site/dev/testing/ct.md b/site/dev/testing/ct.md index 6c3c9e84c0..96744a3782 100644 --- a/site/dev/testing/ct.md +++ b/site/dev/testing/ct.md @@ -18,17 +18,16 @@ Overview Cluster Telemetry allows you to run [telemetry](https://www.chromium.org/developers/telemetry)'s benchmarks, lua scripts and other tasks using multiple repository patches through Alexa's [top 1 million](http://s3.amazonaws.com/alexa-static/top-1m.csv.zip) web pages. Developers can use the framework to measure the performance of their patch against the top subset of the internet on both Desktop and Android. -SKP files are a binary format for the draw commands Chromium sends to Skia for rasterization. The goal of the project started off with wanting to collect a large repository of 10k SKP files. This repository, after incremental changes in approaches, has since grown to ~900k and now supports running all telemetry benchmarks. The top level feature request of this project was [skia:1268](https://code.google.com/p/skia/issues/detail?id=1268). +SKP files are a binary format for the draw commands Chromium sends to Skia for rasterization. The goal of the project started off with wanting to collect a large repository of 10k SKP files. This repository, after incremental changes in approaches, has since grown to ~910k and now supports running all telemetry benchmarks. The top level feature request of this project was [skia:1268](https://code.google.com/p/skia/issues/detail?id=1268). -A web application has been created on App Engine that automates the process of capturing new archives and running telemetry benchmarks at a click of a button; results are emailed to the requester and the web application contains complete history of runs with links to results. You can run telemetry benchmarks at http://ct.skia.org. +A web application has been created on Google Compute Engine that automates the process of capturing new archives and running telemetry benchmarks at a click of a button; results are emailed to the requester and the web application contains complete history of runs with links to results. You can run telemetry benchmarks at http://ct.skia.org. -The framework also contains the ability to run lua scripts on the SKP repository to scrape web pages. It only takes a few minutes to run a lua scrapping script on ~900k SKP files. +The framework also contains the ability to run lua scripts on the SKP repository to scrape web pages. It only takes a few minutes to run a lua scraping script on ~900k SKP files. -These are the different parts of the framework: +Most users will use these two features: -* Chromium Perf Tryserver. Documentation [here](https://www.chromium.org/developers/cluster-telemetry). Webpage [here](http://skia-tree-status.appspot.com/skia-telemetry/chromium_try). -* Skia Correctness Tryserver. Documentation [here](http://goto/skiatryclustertelemetry). Webpage [here](http://skia-tree-status.appspot.com/skia-telemetry/skia_try). -* Run Lua Scripts. Documentation about lua bindings is [here](https://skia.org/user/special/lua). Webpage [here](http://skia-tree-status.appspot.com/skia-telemetry/lua_script). +* Chromium Perf. Documentation [here](https://www.chromium.org/developers/cluster-telemetry). Webpage [here](https://ct.skia.org/chromium_perf/). +* Run Lua Scripts. Documentation about lua bindings is [here](https://skia.org/user/special/lua). Webpage [here](https://ct.skia.org/lua_script/). <a name="framework_usage"></a> @@ -60,27 +59,27 @@ The framework has also been used to run multiple lua scripts to scrape the SKP r chars-vs-glyphs, bitmap transform types, gradient color counter, 3 color gradient checks, etc. This has been very useful for the Skia team to help determine which parts of the library to optimize and focus on. -All runs are recorded [here](http://skia-tree-status.appspot.com/skia-telemetry/all_tasks). +All runs are recorded [here](https://ct.skia.org/history/). <a name="system_architecture"></a> System Architecture ------------------- +------------------- <a name="system_diagram"></a> ### System Diagram -![CT System Diagram](ct-system.png) +![CT System Diagram](ct-system-diagram.svg) <a name="detailed_explanation"></a> ### Detailed explanation of steps -1. User submits an Admin task (rebuild chrome, recreate pagesets, recreate webpage archives), Lua script task, or Telemetry benchmark task using the App Engine web application [here](http://ct.skia.org). +1. User submits a Lua script task, a Performance task, or an Admin task (rebuild chrome, recreate pagesets, recreate webpage archives, capture SKPs) using the GCE web application [here](http://ct.skia.org). 2. Each task is exposed by the web application in JSON. The CT master polls the web application and picks up new tasks. -3. The master pushes new tasks to all the workers using the master scripts [here](https://skia.googlesource.com/buildbot/+/master/ct/go/master_scripts/) (in a new process so that the poller is not blocked). The master scripts then check to see when the workers are done with the requested task. +3. The master pushes new tasks to all the workers using the master scripts [here](https://skia.googlesource.com/buildbot/+/master/ct/go/master_scripts/). The master scripts then check to see when the workers are done with the requested task. 4. The workers execute the task using the worker scripts [here](https://skia.googlesource.com/buildbot/+/master/ct/go/worker_scripts/). All generated artifacts (CSV files, logs, SKP files, archives, etc) are then stored locally and copied to Google Storage. @@ -93,7 +92,7 @@ System Architecture Code ---- -Cluster Telemetry is primarily written in Go with a few python scripts. The framework lives in [master/ct](https://skia.googlesource.com/buildbot/+/master/ct) and the appengine code lives in [master/appengine_scripts](https://skia.googlesource.com/buildbot/+/master/appengine_scripts/skia-tree-status). +Cluster Telemetry is primarily written in Go with a few python scripts. The framework lives in [master/ct](https://skia.googlesource.com/buildbot/+/master/ct). <a name="contact_us"></a> Contact Us |