Tag Archives: UIforETW

Bulk ETW Trace Analysis in C#

Posted on January 5, 2020 by brucedawson

ETW traces record a wealth of information about how a Windows system is behaving. When analyzing a new and unknown problem there is no replacement for loading the trace into WPA and following the clues to a solution. The thrill … Continue reading →

Posted in uiforetw, xperf | Tagged , | 11 Comments

Power Wastage On An Idle Laptop

Posted on March 8, 2016 by brucedawson

Ever since I upgraded to Windows 10 it’s felt like my battery life is worse. My suspicion was various scanning tasks that were springing to life more frequently, but it was just a hunch. So, I did what I do … Continue reading →

Posted in Investigative Reporting, Performance, Programming, uiforetw, xperf | Tagged , | 37 Comments

ETW Central

Posted on September 24, 2015 by brucedawson

Over the last few years I’ve written over forty blog posts that discuss ETW/xperf profiling. I’ve done this because it’s one of the best profilers I’ve ever used, and it’s been woefully undersold and under documented by Microsoft. My goal … Continue reading →

Posted in uiforetw, xperf | Tagged , , , , | 41 Comments

Xperf Basics: Recording a Trace (the ultimate easy way)

Posted on September 1, 2015 by brucedawson

This post can be found through https://tinyurl.com/etwtracing, and an alternate version of these instructions can be found here. If your Windows computer is running slowly – if a program takes a long time to launch, if a game has a … Continue reading →

Posted in Performance, Programming, uiforetw, xperf | Tagged , , | 41 Comments

New Xperf and new WPA in the new WPT

Posted on August 10, 2015 by brucedawson

A new version of Windows means a new version of the Windows Performance Toolkit (WPT), the ship vehicle for xperf, WPA and other Event Tracing for Windows (ETW) tools. I’m a huge fan of xperf/ETW (just look at some of … Continue reading →

Posted in Symbols, xperf | Tagged , , , | 4 Comments

Graph All the Things (Using WPT 10)

Posted on August 3, 2015 by brucedawson

Event Tracing for Windows (ETW) has always recorded a rich set of data and allowed graphing it all on the same timeline. With the creation of UIforETW (which records more data) and the new* ETW trace viewer (which can graph … Continue reading →

Posted in Performance, Programming, xperf | Tagged , , , , , , | 15 Comments

UIforETW – Windows Performance Made Easier

Posted on April 14, 2015 by brucedawson

Event Tracing for Windows (ETW) aka xperf is an amazing tool for investigating the performance of Windows machines – I’ve blogged about it many times and it’s helped me find some amazing issues. But recording ETW traces has always been … Continue reading →

Posted in xperf | Tagged , , | 64 Comments