Vance Morrison's Weblog

I have updated my blog entry on collecting ETW data on an ARM WinRT device . Previously I told you to use the WPR's 'GeneralProfile' to collect the data. This is OK for some investigations, but does not collect all the same events that PerfView would...

Do you have a windows store JavaScript/HTML applications that needs performance tuning? PerfView can handle JavaScript. In particular It automatically collects the necessary events so that it can decode the names of the JavaScript functions on...

In previous blocks on TraceEvent I shows you how easy it was to start up ETW sessions to collect information generated by System.Diagnnostics.Tracing.EventSource classes (typically logging that you yourself did). But I also mentioned in other blogs that...

If you have been following my blog at all, you have seen my articles about System.Diagnostics.Tracing.EventSource , a class that introduced in V4.5 of the .NET Runtime for production logging. This class replaces the System.Diagnostics.TraceSource class...

As part of a conference that I participated in this week, I have created a lab on using PerfView to investigate Memory issues. The lab covers both managed and unmanaged code techniques. The ZIP file below of two Visual Studio 2012 projects which...

For several years now, I have had code called the 'TraceEvent library' that allows you to access ETW files (ETL files) from C#. However for over a year now, I have not updated the public version of that library. Well, that time has ended. I updated...

This is a quick entry to warn about a pitfall that you are likely to run into sooner or later if you build or maintain EventSources. As I have blogged about, it is very easy to get started with EventSources. Here is some code that someone might write...

Yesterday's blog post was showing how you can use EventSource to generate ETW events and the TraceEvent library to read them in 'real time'. Today we will do a slight variation on that example. Instead of reading the events in real time, we will simply...

Performance analysis is my job, and so I answer a lot of questions about perf, and this blog is about a frequently asked question I get. When doing CPU analysis, many profilers, including the PerfView tool are sampling profilers. In particular, for...

I have already made a series of blogs about EventSource starting with my tutorial introduction to EventSource . This gives you enough information to generate events, and using the PerfView tool, lets you look at these events in a viewer. This is great...

If any of you have tried to run PerfView a Surface or other WinRT device, you will find that it does not work. Basically any program that is NOT a windows store application needs to be signed with a special key or it simply will fail to run on a ‘locked’...

ASP.NET applications are one of the more common uses of .NET code today, and the PerfView tool has some special support for profiling them. I created the video 'Wall Clock Analysis of ASP.NET Applications' as part of the PerfView tutorial video series...

By default when you collect data using PerfView you are collecting the right events to do a CPU time investigation. However there are other things that can slow your program down beside using too much CPU time. It is not uncommon to be disk bound (startup...

I have finished three new videos that are about doing .NET GC Heap memory investigations using the PerfView tool and have posted them to Channel Nine. Basics of .NET GC Snapshots Investigating Memory Leaks: Part 1 Collecting the data Investigating...

I have just posted the following 3 videos to the my Channel 9 PerfView Tutorial Series . Perfview Tutorial 6 - The Event Viewer Basics PerfView Tutorial 7 - Using the Event Viewer in ASP.NET Scenarios PerfView Tutorial 8 - Generating Your...

In my EventSource demo blog entry we defined an EventSource and turned on the logging with the command PerfView /OnlyProviders= *MinimalEventSource run eventSourceDemo.exe Which turned on all the events defined in the 'MinimalEventSource' we defined...

In my introduction to EventSource posting and my posting of the EventSource specification , I tried to give you the 'quick start' for using EventSource to generate ETW events from C# (or any .NET language). In this posting I would like to back a bit...

Charles Torre was very nice and made the PerfView tutorials into a Channel 9 series. http://channel9.msdn.com/Series/PerfView-Tutorial The content is the same, but now they are all gathered in one place for you.

Update: you can also see more complete set of videos here: http://channel9.msdn.com/Series/PerfView-Tutorial When I first published PerfView back in January, I talked about some tutorial videos that I said I would post. Well, deciding exactly where...

In my last blog entry I gave a 'Hello World' Style example of using the new .NET V4.5 class System.Diagnostics.Tracing.EventSource. This class lets you log ETW events from managed code easily. This is a quick follow on to give you access to more...

Event Tracing for Windows (ETW) is a fast, scalable logging mechanism built into the Windows operating system. It is powerful because of three reasons The operating system comes pre-wired with a bunch of useful events It can capture stack traces...

For those that don't know, PerfView is a performance profiling tool that can be used to diagnose a broad range of performance problems. We released a free copy of this to the web back in January. Well, it has been over 6 months since that release and...

Today I gave a talk entitled 'Best Practices for managed code investigations', but what it really is a overview of the PerfView tool. I have posted the slides below. Unfortunately, most of the talk was a demo which of course don't show up on the slides...

UPDATE : These (and other) videos are now on Channel 9 as part of the PerfView Tutorial Series . In my previous Post I posted a ZIP file containing 3 videos using the new PerfView tool. Here I add another 2 videos to the collecition. The should...

UPDATE : These (and other) videos are now on Channel 9 as part of the PerfView Tutorial Series . In my previous Post I mentioned the new PerfView tool, which is the tool that I use for most of my performance investigations. If you have clicked tried...