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tools lib api fs: Add {tracefs,debugfs}_configured() functions

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Add tracefs_configured() to return true if tracefs is configured in the
kernel (succeeds to find tracefs), and debugfs_configured() if debugfs
is configured in the kernel (succeeds to find debugfs).

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/20150202193553.190606690@goodmis.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Steven Rostedt (Red Hat)
2015-02-02 14:35:06 -05:00
committed by Arnaldo Carvalho de Melo
parent a9edf60749
commit dd6dda27a8
5 changed files with 20 additions and 0 deletions
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tools/lib/api/fs/tracefs.h
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@@ -11,6 +11,7 @@
#define PERF_TRACEFS_ENVIRONMENT "PERF_TRACEFS_DIR"
#endif
bool tracefs_configured(void);
const char *tracefs_find_mountpoint(void);
int tracefs_valid_mountpoint(const char *debugfs);
char *tracefs_mount(const char *mountpoint);