PIX on Windows

Performance tuning and debugging for DirectX 12 games on Windows

Usability improvements to the Timing Capture Metrics View

The 2104.20 release of PIX on Windows includes several usability improvements to the Metrics View in Timing Captures.  These usability improvements make it easier to manage the set of metrics that are currently graphed.  Metrics analysis is also improved through the ability to customize the minimum and maximum values for the y-axis for each...

New CPU Sampling Profiler C++ Source Code View

Starting with the 2104.20 release of PIX on Windows, the Sampling Profiler that is built into Timing Captures includes a C++ source code view. The source view uses coloring to attribute the collected CPU samples with source lines, thereby identifying the hot spots within a function. The source view is available when viewing Sampled ...

PIX Timing Captures require full PDBs

PIX Timing Captures require a title’s PDBs to be generated using the /DEBUG:FULL linker switch. PDBs generated with the /DEBUG:FASTLINK linker switch are not sufficient. Note that, depending on the version of Visual Studio you are using, the linker switch /DEBUG specified without the FULL or FASTLINK option, may default to FASTLINK...

Finding memory leaks using Timing Captures

PIX Timing Captures include several analysis features aimed at making it easy to find memory leaks in your title.  These features, coupled with the ability to take captures for extended periods of time, are a compelling combination for finding leaks, even those that can take a considerable amount of time to manifest themselves. To enable ...

WinPixEventRuntime 2102.09: Minor fixes and optimizations

It’s hard to believe it’s been over a year since our last update to WinPixEventRuntime! This update brings a couple of minor fixes and optimizations, which should hopefully lead to a slightly better quality of life when using the runtime 😊 You can download the new runtime here. Release notes: Known Issue...

Filtering CPU Samples by one or more PIX Events

The Sampling Profiler included in the 2101.27 release of PIX on Windows includes a novel new feature that allows you to filter the analysis of CPU samples down to just those samples that were collected during the time when one or more PIX events was running.  This capability is particularly useful for seeing which functions ran the most ...

Function Summary and Callgraph captures are now deprecated

Function Summary and Callgraph captures are deprecated starting with the 2102.27 release of PIX on Windows. The workflows supported by these legacy capture types have been replaced with enhancements we're recently made to the Sampling Profiler that is part of Timing Captures.  These enhancements include the ability to group the tree of ...