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Add a facility for automated performance measurement

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We want to be able to summarize the behavior of the shell's
performance in a series of "metrics", like the latency between
clicking on the Activities button and seeing a response.

This patch adds the ability to create a script under perf/
in a special format that automates a series of actions in the
shell, writing events to the performance log, then collects
statistics as the log as replayed and turns them into a set
of metrics.

The script is then executed by running as gnome-shell
--perf=<script>.

The 'core' script which is added here will be the primary
performance measurement script that we use for shell performance
regression testing; right now it has a couple of placeholder
metrics.

https://bugzilla.gnome.org/show_bug.cgi?id=618189
This commit is contained in:
Owen W. Taylor
2010-05-09 13:42:35 -04:00
parent a97b8c1947
commit 98c2247c1b
4 changed files with 283 additions and 0 deletions
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8
js/ui/main.js
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@ -29,6 +29,7 @@ const RunDialog = imports.ui.runDialog;
const LookingGlass = imports.ui.lookingGlass;
const NotificationDaemon = imports.ui.notificationDaemon;
const WindowAttentionHandler = imports.ui.windowAttentionHandler;
const Scripting = imports.ui.scripting;
const ShellDBus = imports.ui.shellDBus;
const TelepathyClient = imports.ui.telepathyClient;
const WindowManager = imports.ui.windowManager;
@ -180,6 +181,13 @@ function start() {
log('GNOME Shell started at ' + _startDate);
Mainloop.idle_add(_removeUnusedWorkspaces);
let perfModuleName = GLib.getenv("SHELL_PERF_MODULE");
if (perfModuleName) {
let perfOutput = GLib.getenv("SHELL_PERF_OUTPUT");
let module = eval('imports.perf.' + perfModuleName + ';');
Scripting.runPerfScript(module, perfOutput);
}
}
/**