| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * coda_statis.h |
| 3 | * |
| 4 | * CODA operation statistics |
| 5 | * |
| 6 | * (c) March, 1998 |
| 7 | * by Michihiro Kuramochi, Zhenyu Xia and Zhanyong Wan |
| 8 | * zhanyong.wan@yale.edu |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #ifndef _CODA_PROC_H |
| 13 | #define _CODA_PROC_H |
| 14 | |
| 15 | void coda_sysctl_init(void); |
| 16 | void coda_sysctl_clean(void); |
| 17 | |
| 18 | #include <linux/sysctl.h> |
| 19 | #include <linux/coda_fs_i.h> |
| 20 | #include <linux/coda.h> |
| 21 | |
| 22 | /* these four files are presented to show the result of the statistics: |
| 23 | * |
| 24 | * /proc/fs/coda/vfs_stats |
| 25 | * cache_inv_stats |
| 26 | * |
| 27 | * these four files are presented to reset the statistics to 0: |
| 28 | * |
| 29 | * /proc/sys/coda/vfs_stats |
| 30 | * cache_inv_stats |
| 31 | */ |
| 32 | |
| 33 | /* VFS operation statistics */ |
| 34 | struct coda_vfs_stats |
| 35 | { |
| 36 | /* file operations */ |
| 37 | int open; |
| 38 | int flush; |
| 39 | int release; |
| 40 | int fsync; |
| 41 | |
| 42 | /* dir operations */ |
| 43 | int readdir; |
| 44 | |
| 45 | /* inode operations */ |
| 46 | int create; |
| 47 | int lookup; |
| 48 | int link; |
| 49 | int unlink; |
| 50 | int symlink; |
| 51 | int mkdir; |
| 52 | int rmdir; |
| 53 | int rename; |
| 54 | int permission; |
| 55 | |
| 56 | /* symlink operatoins*/ |
| 57 | int follow_link; |
| 58 | int readlink; |
| 59 | }; |
| 60 | |
| 61 | /* cache invalidation statistics */ |
| 62 | struct coda_cache_inv_stats |
| 63 | { |
| 64 | int flush; |
| 65 | int purge_user; |
| 66 | int zap_dir; |
| 67 | int zap_file; |
| 68 | int zap_vnode; |
| 69 | int purge_fid; |
| 70 | int replace; |
| 71 | }; |
| 72 | |
| 73 | /* these global variables hold the actual statistics data */ |
| 74 | extern struct coda_vfs_stats coda_vfs_stat; |
| 75 | |
| 76 | #endif /* _CODA_PROC_H */ |