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| author | Steve French <sfrench@us.ibm.com> | 2005-12-03 13:58:57 -0800 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2005-12-03 13:58:57 -0800 |
| commit | 4498eed50a114565debd38f173acd62cce6e7cb8 (patch) | |
| tree | 8a94482e9a7b98bb32aab518a0fce74075eabd2f | |
| parent | 84afc29b185334f489975a003b128e1b15e24a54 (diff) | |
| download | linux-4498eed50a114565debd38f173acd62cce6e7cb8.tar.bz2 | |
[CIFS] Add extended stats (STATS2) for total buffer allocations for
better performance debugging.
Signed-off-by: Steve French <sfrench@us.ibm.com>
| -rw-r--r-- | fs/cifs/cifs_debug.c | 4 | ||||
| -rw-r--r-- | fs/cifs/cifsfs.c | 6 | ||||
| -rw-r--r-- | fs/cifs/cifsglob.h | 8 | ||||
| -rw-r--r-- | fs/cifs/misc.c | 7 |
4 files changed, 23 insertions, 2 deletions
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index 22a444a3fe4c..7f19f2547d01 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -219,6 +219,10 @@ cifs_stats_write(struct file *file, const char __user *buffer, if (c == '1' || c == 'y' || c == 'Y' || c == '0') { read_lock(&GlobalSMBSeslock); +#ifdef CONFIG_CIFS_STATS2 + atomic_set(&totBufAllocCount, 0); + atomic_set(&totSmBufAllocCount, 0); +#endif /* CONFIG_CIFS_STATS2 */ list_for_each(tmp, &GlobalTreeConnectionList) { tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList); diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 2a13a2bac8f1..ba90903909a6 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -954,6 +954,12 @@ init_cifs(void) atomic_set(&tconInfoReconnectCount, 0); atomic_set(&bufAllocCount, 0); + atomic_set(&smBufAllocCount, 0); +#ifdef CONFIG_CIFS_STATS2 + atomic_set(&totBufAllocCount, 0); + atomic_set(&totSmBufAllocCount, 0); +#endif /* CONFIG_CIFS_STATS2 */ + atomic_set(&midCount, 0); GlobalCurrentXid = 0; GlobalTotalActiveXid = 0; diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 1ba08f8c5bc4..c011c278af4c 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -505,8 +505,12 @@ GLOBAL_EXTERN atomic_t tcpSesReconnectCount; GLOBAL_EXTERN atomic_t tconInfoReconnectCount; /* Various Debug counters to remove someday (BB) */ -GLOBAL_EXTERN atomic_t bufAllocCount; -GLOBAL_EXTERN atomic_t smBufAllocCount; +GLOBAL_EXTERN atomic_t bufAllocCount; /* current number allocated */ +#ifdef CONFIG_CIFS_STATS2 +GLOBAL_EXTERN atomic_t totBufAllocCount; /* total allocated over all time */ +GLOBAL_EXTERN atomic_t totSmBufAllocCount; +#endif +GLOBAL_EXTERN atomic_t smBufAllocCount; GLOBAL_EXTERN atomic_t midCount; /* Misc globals */ diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index 9af37f864688..ac5a72a299a3 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -161,6 +161,9 @@ cifs_buf_get(void) if (ret_buf) { memset(ret_buf, 0, sizeof(struct smb_hdr) + 3); atomic_inc(&bufAllocCount); +#ifdef CONFIG_CIFS_STATS2 + atomic_inc(&totBufAllocCount); +#endif /* CONFIG_CIFS_STATS2 */ } return ret_buf; @@ -195,6 +198,10 @@ cifs_small_buf_get(void) /* No need to clear memory here, cleared in header assemble */ /* memset(ret_buf, 0, sizeof(struct smb_hdr) + 27);*/ atomic_inc(&smBufAllocCount); +#ifdef CONFIG_CIFS_STATS2 + atomic_inc(&totSmBufAllocCount); +#endif /* CONFIG_CIFS_STATS2 */ + } return ret_buf; } |