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82 lines
3.1 KiB
Plaintext
82 lines
3.1 KiB
Plaintext
Pageload Test Component
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=======================
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Usage:
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./firefox -tp file:///path/to/manifest.txt [-tpargs...]
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See ./firefox -help for other arguments.
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Manifest file format
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====================
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Comments in the manifest file start with a #. Each line may be:
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* a URL (absolute or relative to the manifest)
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This URL is added to the list of tests.
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* one or more flags, followed by whitespace, followed by a URL
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The only flag supported currently is '%', which indicates that
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a test will do its own timing. (See Self-timing Tests below.)
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* "include" followed by whitespace, followed by a URL
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Parse the given manifest file.
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Self-timing Tests
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=================
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Most timing tests are interested in timing how long it takes the page
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to load; that is, from the start of page loading until the 'load'
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event is dispatched. By default, this is what the pageloader will
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time. However, if a test URL has the % flag, the test is expected to
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report its own timing. For this purpose, the pageloader will provide
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a function named "tpRecordTime" in the test's global object that it
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should call once it has performed whatever timing it wants to do.
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The given value will be used as the timing result for this test.
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Output format
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=============
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The result is a dump to stdout via dump() --
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browser.dom.window.dump.enabled must be set to true in the profile. A
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number of output formats can be specified via the -tpformat command
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line option, currently 'js', 'text', and 'tinderbox' are supported.
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Sample 'js' format output:
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([({page:"1280x1024-PNG/index.html", value:133, stddev:20.049937655763422}),({page:"bugzilla.mozilla.org/index.html", value:233, stddev:36.66606060105176}),({page:"espn.go.com/index.html", value:117.6, stddev:1.2}),({page:"home.netscape.com/index.html", value:97.8, stddev:47.41898354035017}),])
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Sample 'text' format output:
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============================================================
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Page mean stdd min max raw
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0 1280x1024-PNG/index.html 133 20 121 297 297,173,122,121,124,125
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1 bugzilla.mozilla.org/index.html 233 37 192 395 395,273,223,192,198,279
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2 espn.go.com/index.html 118 1 116 254 254,117,116,119,119,117
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3 home.netscape.com/index.html 98 47 3 124 3,121,120,124,124,121
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============================================================
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Sample 'tinderbox' format output:
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__start_tp_report
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_x_x_mozilla_page_load,778.5,NaN,NaN
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_x_x_mozilla_page_load_details,avgmedian|778.5|average|766.75|minimum|NaN|maximum|NaN|stddev|NaN|0;file:///c:/proj/mozilla-cvs/perf/tp2/base/www.cnn.com/index.html;778.5;766.75;722;1027;1027;788;777;722;780|...
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__end_tp_report
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Note that the minimum, maximum, stddev are not calculated; they're
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always reported as NaN. (They were the minimum and maximum values of
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any sampled value, and the standard deviation across all sampled
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values -- not very useful.)
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TODO
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====
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* Command line option to choose whether to run with or without browser chrome. Currently runs without.
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* Tinderbox-dropping style output
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* better yet would be to teach tinderbox about JSON
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