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| author |   Changbin Du <changbin.du@gmail.com> | 2020-05-10 23:06:10 +0800 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-05-28 10:03:27 -0300 |
| commit | 452b0d160ad150c1b97982e438a2a69571d320f3 (patch) | |
| tree | 7c2075ad54c6dc0044ff144b4aec8fefb2364136 /tools/perf | |
| parent | perf branch: Replace zero-length array with flexible-array (diff) | |
| download | linux-dev-452b0d160ad150c1b97982e438a2a69571d320f3.tar.xz linux-dev-452b0d160ad150c1b97982e438a2a69571d320f3.zip | |
perf ftrace: Trace system wide if no target is given
This align ftrace to other perf sub-commands that if no target specified
then we trace all functions.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: http://lore.kernel.org/lkml/20200510150628.16610-2-changbin.du@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/builtin-ftrace.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c index 55eda54240fb..b7d3fb5fa8b1 100644 --- a/tools/perf/builtin-ftrace.c +++ b/tools/perf/builtin-ftrace.c @@ -494,7 +494,7 @@ int cmd_ftrace(int argc, const char **argv) argc = parse_options(argc, argv, ftrace_options, ftrace_usage, PARSE_OPT_STOP_AT_NON_OPTION); if (!argc && target__none(&ftrace.target)) - usage_with_options(ftrace_usage, ftrace_options); + ftrace.target.system_wide = true; ret = target__validate(&ftrace.target); if (ret) { |