From 42145d71ddf369a536940a1b0d63b9aef6468516 Mon Sep 17 00:00:00 2001 From: Changbin Du Date: Sat, 8 Aug 2020 10:31:39 +0800 Subject: perf ftrace: Add option --tid to filter by thread id This allows us to trace single thread instead of the whole process. Signed-off-by: Changbin Du Acked-by: Namhyung Kim Cc: Jiri Olsa Cc: Peter Zijlstra Cc: Steven Rostedt (VMware) Link: http://lore.kernel.org/lkml/20200808023141.14227-17-changbin.du@gmail.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-ftrace.txt | 3 +++ 1 file changed, 3 insertions(+) (limited to 'tools/perf/Documentation') diff --git a/tools/perf/Documentation/perf-ftrace.txt b/tools/perf/Documentation/perf-ftrace.txt index 29c684b3b3fd..78358af9a1c4 100644 --- a/tools/perf/Documentation/perf-ftrace.txt +++ b/tools/perf/Documentation/perf-ftrace.txt @@ -39,6 +39,9 @@ OPTIONS --pid=:: Trace on existing process id (comma separated list). +--tid=:: + Trace on existing thread id (comma separated list). + -D:: --delay:: Time (ms) to wait before starting tracing after program start. -- cgit v1.2.3