![]() ![]() Statistical samples of your application at runtime Statistics about object and other memory-related allocations Information about graphics operations and performance Statistics relating to garbage-collected code Information about file system reads, writes, and other operations The performance of Core Data–based applications The data from all instruments is shown side-by-side, making it easier to correlate the data from one instrument to another and detect trends in your application’s behavior.Īmong the types of metrics you can gather with the Instruments application are the following: Rather than showing only one aspect of your program at a time, you configure each analysis session with one or more instruments, each of which gathers information about a particular performance metric. Instruments combines a set of powerful analysis tools with a graphical user interface to provide unprecedented information about the runtime behavior of your application. Key ApplicationsĪlthough Xcode comes with numerous applications for gathering performance data, there are a few that you will use more frequently than others. Others are available for download from the Apple Developer website. Some performance tools are installed with Xcode. ![]() There are several graphical applications and command-line tools available for gathering performance metrics.
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