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smb3: dump in_send and num_waiters stats counters by default

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Number of requests in_send and the number of waiters on sendRecv
are useful counters in various cases, move them from
CONFIG_CIFS_STATS2 to be on by default especially with multichannel

Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
This commit is contained in:
Steve French 2019-11-21 17:26:35 -06:00
parent 65a37a3414
commit 1ae9a5a551
2 changed files with 4 additions and 21 deletions
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3
fs/cifs/cifs_debug.c
View File

@ -365,11 +365,10 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
server->srv_count,
server->sec_mode, in_flight(server));
#ifdef CONFIG_CIFS_STATS2
seq_printf(m, " In Send: %d In MaxReq Wait: %d",
atomic_read(&server->in_send),
atomic_read(&server->num_waiters));
#endif
/* dump session id helpful for use with network trace */
seq_printf(m, " SessionId: 0x%llx", ses->Suid);
if (ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA)

22
fs/cifs/cifsglob.h
View File

@ -743,12 +743,12 @@ struct TCP_Server_Info {
/* Total size of this PDU. Only valid from cifs_demultiplex_thread */
unsigned int pdu_size;
unsigned int total_read; /* total amount of data read in this pass */
atomic_t in_send; /* requests trying to send */
atomic_t num_waiters; /* blocked waiting to get in sendrecv */
#ifdef CONFIG_CIFS_FSCACHE
struct fscache_cookie *fscache; /* client index cache cookie */
#endif
#ifdef CONFIG_CIFS_STATS2
atomic_t in_send; /* requests trying to send */
atomic_t num_waiters; /* blocked waiting to get in sendrecv */
atomic_t num_cmds[NUMBER_OF_SMB2_COMMANDS]; /* total requests by cmd */
atomic_t smb2slowcmd[NUMBER_OF_SMB2_COMMANDS]; /* count resps > 1 sec */
__u64 time_per_cmd[NUMBER_OF_SMB2_COMMANDS]; /* total time per cmd */
@ -1606,8 +1606,6 @@ struct close_cancelled_open {
/* Make code in transport.c a little cleaner by moving
update of optional stats into function below */
#ifdef CONFIG_CIFS_STATS2
static inline void cifs_in_send_inc(struct TCP_Server_Info *server)
{
atomic_inc(&server->in_send);
@ -1628,26 +1626,12 @@ static inline void cifs_num_waiters_dec(struct TCP_Server_Info *server)
atomic_dec(&server->num_waiters);
}
#ifdef CONFIG_CIFS_STATS2
static inline void cifs_save_when_sent(struct mid_q_entry *mid)
{
mid->when_sent = jiffies;
}
#else
static inline void cifs_in_send_inc(struct TCP_Server_Info *server)
{
}
static inline void cifs_in_send_dec(struct TCP_Server_Info *server)
{
}
static inline void cifs_num_waiters_inc(struct TCP_Server_Info *server)
{
}
static inline void cifs_num_waiters_dec(struct TCP_Server_Info *server)
{
}
static inline void cifs_save_when_sent(struct mid_q_entry *mid)
{
}