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incl critical-request-chains in traceprocessor example
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paulirish committed Jul 12, 2016
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Expand Up @@ -66,13 +66,14 @@ You can supply your own run configuration to customize what audits you want deta

## Trace processing

Lighthouse can be used to analyze trace and performance data collected from other tools (like WebPageTest and ChromeDriver). The `traceContents` and `performanceLog` artifact items can be provided using a string for the absolute path on disk. The perf log is captured from the Network domain (a la ChromeDriver's [`enableNetwork` option](https://sites.google.com/a/chromium.org/chromedriver/capabilities#TOC-perfLoggingPrefs-object) and reformatted slightly. As an example, here's a trace-only run that's also evaluating just user-timings:
Lighthouse can be used to analyze trace and performance data collected from other tools (like WebPageTest and ChromeDriver). The `traceContents` and `performanceLog` artifact items can be provided using a string for the absolute path on disk. The perf log is captured from the Network domain (a la ChromeDriver's [`enableNetwork` option](https://sites.google.com/a/chromium.org/chromedriver/capabilities#TOC-perfLoggingPrefs-object) and reformatted slightly. As an example, here's a trace-only run that's reporting on user timings and critical request chains:

##### `config.json`
```js
{
"audits": [
"user-timings"
"user-timings",
"critical-request-chains"
],

"artifacts": {
Expand All @@ -87,7 +88,8 @@ Lighthouse can be used to analyze trace and performance data collected from othe
"categorizable": false,
"items": [{
"criteria": {
"user-timings": { "rawValue": 0, "weight": 1 }
"user-timings": { "rawValue": 0, "weight": 1 },
"critical-request-chains": { "rawValue": 0, "weight": 1}
}
}]
}]
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