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perf tools: Make perf aware of tracefs

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As tracefs may be mounted instead of debugfs to get to the event
directories, have perf know about tracefs, and use that file system over
debugfs if it is present.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/20150202193553.340946602@goodmis.org
[ Fixed up error messages about tracefs pointed out by Namhyung ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Steven Rostedt (Red Hat)
2015-02-02 14:35:07 -05:00
committed by Arnaldo Carvalho de Melo
parent dd6dda27a8
commit 23773ca18b
9 changed files with 91 additions and 25 deletions
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tools/perf/util/parse-events.h
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@@ -122,6 +122,6 @@ void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
int print_hwcache_events(const char *event_glob, bool name_only);
extern int is_valid_tracepoint(const char *event_string);
extern int valid_debugfs_mount(const char *debugfs);
int valid_event_mount(const char *eventfs);
#endif /* __PERF_PARSE_EVENTS_H */