Performance Tools Newsletter (H1 2022)
As the Perf-Tools team, we are responsible for the Firefox Profiler. This newsletter gives an overview of the new features and improvements we’ve done in the first half of 2022. … Read more
As the Perf-Tools team, we are responsible for the Firefox Profiler. This newsletter gives an overview of the new features and improvements we’ve done in the first half of 2022. … Read more
Originally, we used a Web Extension for doing performance testing on Firefox in our Raptor test harness. But, we needed to add new features such as visual metrics, so in … Read more
Our visual metrics processing system used to use two separate machines to produce visual metrics from our pageload tests. In this post, I’ll describe how we moved to a single-machine … Read more
Introduction I have been a member of the performance test team for the past two and a half years. During that time, the performance team has had many discussions about … Read more
In bug 1734997, we prototyped the Prioritized Task Scheduling API. Having the API prototyped empowers us to experiment with the benefits of this API. It is enabled by default in … Read more
In March there were 175 alerts generated, resulting in 21 regression bugs being filed on average 5.4 days after the regressing change landed. Welcome to the March 2022 edition of … Read more
In February there were 122 alerts generated, resulting in 19 regression bugs being filed on average 4.3 days after the regressing change landed. Welcome to the February 2022 edition of … Read more
In January there were 161 alerts generated, resulting in 20 regression bugs being filed on average 13.4 days after the regressing change landed. Welcome to the January 2022 edition of … Read more
As the Perf-Tools team, we are responsible for the Firefox Profiler. This newsletter gives an overview of the new features and improvements we’ve done in Q4 2021. You can find … Read more
Firefox Profiler is a tool for analyzing the performance of both websites and Firefox itself. You can visit profiler.firefox.com to learn more about and enable it. Inside the Firefox codebase, … Read more
Background In a previous article, Kimberly Sereduck told us about Updates to Warm Page Load Tests and how we are continuously working to make our tests more representative of real … Read more
In December there were 159 alerts generated, resulting in 22 regression bugs being filed on average 5.1 days after the regressing change landed. Welcome to the December 2021 edition of … Read more