[null,null,["最后更新时间 (UTC):2025-07-29。"],[],[],null,["# Overview\n\nThe [`ProfilingManager`](/reference/android/os/ProfilingManager) Android API lets you collect real user performance\nprofiles, such as [system traces](/topic/performance/tracing), programmatically. The `ProfilingManager` API\nsupports two types of trace collections: traces that you explicitly start and\nevent-based traces.\n\nThis section focuses on traces that you explicitly start and covers the following\ntopics:\n\n- How to collect traces with `ProfilingManager`.\n- How to retrieve those traces.\n- How to visualize traces in Perfetto UI.\n- Important details about how `ProfilingManager` works.\n\n| **Key Point:** This guide is for developers who want to set up a way to collect end-user performance profiles."]]