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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /dom/serviceworkers/test/performance/perfutils.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/serviceworkers/test/performance/perfutils.js')
-rw-r--r-- | dom/serviceworkers/test/performance/perfutils.js | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/dom/serviceworkers/test/performance/perfutils.js b/dom/serviceworkers/test/performance/perfutils.js new file mode 100644 index 0000000000..d7edbe2fe7 --- /dev/null +++ b/dom/serviceworkers/test/performance/perfutils.js @@ -0,0 +1,46 @@ +"use strict"; + +/** + * Given a map from test names to arrays of results, report perfherder metrics + * and log full results. + */ +function reportMetrics(journal) { + let metrics = {}; + let text = "\nResults (ms)\n"; + + const names = Object.keys(journal); + const prefixLen = 1 + Math.max(...names.map(str => str.length)); + + for (const name in journal) { + const med = median(journal[name]); + text += (name + ":").padEnd(prefixLen, " ") + stringify(journal[name]); + text += " median " + med + "\n"; + metrics[name] = med; + } + + dump(text); + info("perfMetrics", JSON.stringify(metrics)); +} + +function median(arr) { + arr = [...arr].sort((a, b) => a - b); + const mid = Math.floor(arr.length / 2); + + if (arr.length % 2) { + return arr[mid]; + } + + return (arr[mid - 1] + arr[mid]) / 2; +} + +function stringify(arr) { + function pad(num) { + let s = num.toString().padStart(5, " "); + if (s[0] != " ") { + s = " " + s; + } + return s; + } + + return arr.reduce((acc, elem) => acc + pad(elem), ""); +} |