Open source system profiling, app tracing and analysis for Linux and Android

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System-wide profiling for Linux and Android

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Linux kernel tracing

Capture high frequency ftrace data: scheduling activity, task switching latency, CPU frequency and much more

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Userspace profilers and extra probes

Native heap profiling, Java heap profiling, pollers for /proc stat files

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Built into Android

Part of the platform since Android 9 Pie, runs on Linux as well

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App Tracing

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Efficient trace point instrumentation

Log your C++ app’s activity with high throughput, low overhead trace points

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Structured and configurable events

Define custom protobuf messages to represent strongly-typed app-specific information, trace only what you need

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Integrated with system-wide tracing

Correlate your app’s state with system-wide profiling data on the same timeline

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Trace Viewer

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Interactive trace exploration

Record, view and process trace data with the Perfetto UI

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Supports popular trace format files

TraceEvent JSON, Android systrace, ftrace text output

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Runs fully in your browser

No server interaction involved, works even if you are offline

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Trace Analysis

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SQL-based trace model

Trace processor ingests traces and exposes a SQLite-based interface to access the contents of the trace, both via shell and UI

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Large trace analysis

Supports traces up to tens of GBs

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Interoperable

Can import and export popular trace formats: Chromium JSON trace format, Android Systrace, ftrace, CSV

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