stdlib: Remove redundant devfreq calculation The JOIN for CPU4-7 LUTs were being done twice in the w_dsu_dependency code path. Bug: 350065024 Test: tools/diff_test_trace_processor.py out/linux/trace_processor_shell --name-filter '.*wattson.*' Change-Id: Iad7cc5b481245918c3a66a1074ca3e99d63eefeb Signed-off-by: Samuel Wu <wusamuel@google.com>
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.