ftrace: don't set buffer_size_kb on 'preserve_ftrace_buffer' When the ftrace config has 'preserve_ftrace_buffer: true', don't set buffer_size_kb to avoid data loss. Bug: 330267009 Change-Id: I2515c90555324a72375db19c68a07c1ff8c13e6f
Perfetto is a production-grade open-source stack for performance instrumentation and trace analysis. It offers services and libraries and for recording system-level and app-level traces, native + java heap profiling, a library for analyzing traces using SQL and a web-based UI to visualize and explore multi-GB traces.
See https://perfetto.dev/docs or the /docs/ directory for documentation.