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| author |   Changbin Du <changbin.du@gmail.com> | 2020-08-08 10:31:34 +0800 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-08-14 09:27:43 -0300 |
| commit | c81fc34e318503f28c571250d3434d8a788ca747 (patch) | |
| tree | 16d4440815f9bce7874e519b8558c86e899518e8 /tools/perf/Documentation/perf-ftrace.txt | |
| parent | perf ftrace: Add support for trace option funcgraph-irqs (diff) | |
| download | wireguard-linux-c81fc34e318503f28c571250d3434d8a788ca747.tar.xz wireguard-linux-c81fc34e318503f28c571250d3434d8a788ca747.zip | |
perf ftrace: Add support for tracing option 'irq-info'
This adds support to display irq context info for function tracer. To do
this, just specify a '--func-opts irq-info' option.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: http://lore.kernel.org/lkml/20200808023141.14227-12-changbin.du@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-ftrace.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-ftrace.txt | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-ftrace.txt b/tools/perf/Documentation/perf-ftrace.txt index fca55ac55ff3..37ea3ea97922 100644 --- a/tools/perf/Documentation/perf-ftrace.txt +++ b/tools/perf/Documentation/perf-ftrace.txt @@ -79,6 +79,7 @@ OPTIONS --func-opts:: List of options allowed to set: call-graph - Display kernel stack trace for function tracer. + irq-info - Display irq context info for function tracer. -G:: --graph-funcs=:: |