| commit | 4eb23ab57d289b03e8f92544ca1ea446e3502710 | [log] [tgz] |
|---|---|---|
| author | Luke Chang <lukechang@google.com> | Thu Jan 27 16:31:46 2022 +0800 |
| committer | Luke Chang <lukechang@google.com> | Mon Jan 31 23:49:06 2022 +0800 |
| tree | aef8469f868640e8dae3ab49b0a2c24eb5072434 | |
| parent | fc79cc503f0e1e9efd286d9017e8aff03a2a16d0 [diff] |
trace_processor: support tcp_retransmit_skb event
The tcp_retransmit_skb ftrace event could be used to track packet timeout
or fast retransmit. The patch parse the tcp_retransmit_skb event and show
the event as instant on async task tracker.
Bug: 215086208
Test: ui/run-dev-server & manaul check the UI behavior
Test: tools/diff_test_trace_processor.py <trace_processor_shell> \
--query-metric-filter='tcp_retransmit_skb'
Change-Id: I10c47e66ac66488ef883d5827d375ff6c7be63fc
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.