diff options
| author |   Clark Williams <williams@redhat.com> | 2009-11-08 09:01:37 -0600 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2009-11-08 18:01:34 +0100 |
| commit | afe61f677866ffc484e69c4ecca2d316d564d78b (patch) | |
| tree | 1eddb3be74799743b9de6b2a8eb4a3c26c02069c /tools/perf/util/debugfs.h | |
| parent | perf symbols: Use the buildids if present (diff) | |
| download | linux-dev-afe61f677866ffc484e69c4ecca2d316d564d78b.tar.xz linux-dev-afe61f677866ffc484e69c4ecca2d316d564d78b.zip | |
perf tools: Add debugfs utility routines for perf
Add routines to locate the debugfs mount point and to manage the
mounting and unmounting of the debugfs.
Signed-off-by: Clark Williams <williams@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20091101155621.2b3503ee@torg>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/debugfs.h')
| -rw-r--r-- | tools/perf/util/debugfs.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/perf/util/debugfs.h b/tools/perf/util/debugfs.h new file mode 100644 index 000000000000..3cd14f9ae784 --- /dev/null +++ b/tools/perf/util/debugfs.h @@ -0,0 +1,25 @@ +#ifndef __DEBUGFS_H__ +#define __DEBUGFS_H__ + +#include <sys/mount.h> + +#ifndef MAX_PATH +# define MAX_PATH 256 +#endif + +#ifndef STR +# define _STR(x) #x +# define STR(x) _STR(x) +#endif + +extern const char *debugfs_find_mountpoint(void); +extern int debugfs_valid_mountpoint(const char *debugfs); +extern int debugfs_valid_entry(const char *path); +extern int debugfs_mount(const char *mountpoint); +extern int debugfs_umount(void); +extern int debugfs_write(const char *entry, const char *value); +extern int debugfs_read(const char *entry, char *buffer, size_t size); +extern void debugfs_force_cleanup(void); +extern int debugfs_make_path(const char *element, char *buffer, int size); + +#endif /* __DEBUGFS_H__ */ |