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Subject[PATCH 01/19] perf ftrace: trace system wide if no target is given
Date
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>
---
tools/perf/builtin-ftrace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c
index d5adc417a4ca..11fc02037899 100644
--- a/tools/perf/builtin-ftrace.c
+++ b/tools/perf/builtin-ftrace.c
@@ -493,7 +493,7 @@ 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) {
--
2.25.1
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