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fix(benchpress): chrome - prevent trace buffer overflow

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This commit is contained in:
Tobias Bosch
2017-04-17 09:18:35 -07:00
parent 840cb3d69e
commit 2f442062d2
2 changed files with 26 additions and 4 deletions
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7
packages/benchpress/src/webdriver/chrome_driver_extension.ts
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@ -24,6 +24,7 @@ export class ChromeDriverExtension extends WebDriverExtension {
static PROVIDERS = [ChromeDriverExtension];
private _majorChromeVersion: number;
private _firstRun = true;
constructor(private _driver: WebDriverAdapter, @Inject(Options.USER_AGENT) userAgent: string) {
super();
@ -48,6 +49,12 @@ export class ChromeDriverExtension extends WebDriverExtension {
gc() { return this._driver.executeScript('window.gc()'); }
timeBegin(name: string): Promise<any> {
if (this._firstRun) {
this._firstRun = false;
// Before the first run, read out the existing performance logs
// so that the chrome buffer does not fill up.
this._driver.logs('performance');
}
return this._driver.executeScript(`console.time('${name}');`);
}