diff options
| author | Jiri Olsa <[email protected]> | 2015-09-02 09:56:40 +0200 | 
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2015-09-04 12:01:00 -0300 | 
| commit | c495afb4988dcbb8bae11b8f1bbb7e11f172672b (patch) | |
| tree | 4713244446ae1ce0ac9ad172bc0f10e6410ac370 /tools/lib/api/fs/fs.c | |
| parent | 8ccfabdb873df2e18b235bfaf2722f7528d220f1 (diff) | |
tools lib api fs: Add tracefs into fs.c object
Adding tracefs support into fs.c framework. It'll replace the tracefs
object functionality in following patches.
Signed-off-by: Jiri Olsa <[email protected]>
Cc: Raphael Beamonte <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Matt Fleming <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Steven Rostedt <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/lib/api/fs/fs.c')
| -rw-r--r-- | tools/lib/api/fs/fs.c | 28 | 
1 files changed, 28 insertions, 0 deletions
diff --git a/tools/lib/api/fs/fs.c b/tools/lib/api/fs/fs.c index 798052cbc7c0..ef16d2a83a27 100644 --- a/tools/lib/api/fs/fs.c +++ b/tools/lib/api/fs/fs.c @@ -28,6 +28,10 @@  #define DEBUGFS_MAGIC          0x64626720  #endif +#ifndef TRACEFS_MAGIC +#define TRACEFS_MAGIC          0x74726163 +#endif +  static const char * const sysfs__fs_known_mountpoints[] = {  	"/sys",  	0, @@ -48,6 +52,19 @@ static const char * const debugfs__known_mountpoints[] = {  	0,  }; + +#ifndef TRACEFS_DEFAULT_PATH +#define TRACEFS_DEFAULT_PATH "/sys/kernel/tracing" +#endif + +static const char * const tracefs__known_mountpoints[] = { +	TRACEFS_DEFAULT_PATH, +	"/sys/kernel/debug/tracing", +	"/tracing", +	"/trace", +	0, +}; +  struct fs {  	const char		*name;  	const char * const	*mounts; @@ -60,8 +77,13 @@ enum {  	FS__SYSFS   = 0,  	FS__PROCFS  = 1,  	FS__DEBUGFS = 2, +	FS__TRACEFS = 3,  }; +#ifndef TRACEFS_MAGIC +#define TRACEFS_MAGIC 0x74726163 +#endif +  static struct fs fs__entries[] = {  	[FS__SYSFS] = {  		.name	= "sysfs", @@ -78,6 +100,11 @@ static struct fs fs__entries[] = {  		.mounts	= debugfs__known_mountpoints,  		.magic	= DEBUGFS_MAGIC,  	}, +	[FS__TRACEFS] = { +		.name	= "tracefs", +		.mounts	= tracefs__known_mountpoints, +		.magic	= TRACEFS_MAGIC, +	},  };  static bool fs__read_mounts(struct fs *fs) @@ -197,6 +224,7 @@ const char *name##__mountpoint(void)	\  FS__MOUNTPOINT(sysfs,   FS__SYSFS);  FS__MOUNTPOINT(procfs,  FS__PROCFS);  FS__MOUNTPOINT(debugfs, FS__DEBUGFS); +FS__MOUNTPOINT(tracefs, FS__TRACEFS);  int filename__read_int(const char *filename, int *value)  {  |