Contributors: 11
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Amir Goldstein |
338 |
75.45% |
2 |
9.09% |
| Linus Torvalds (pre-git) |
44 |
9.82% |
9 |
40.91% |
| Chuck Lever |
18 |
4.02% |
2 |
9.09% |
| Dai Ngo |
17 |
3.79% |
1 |
4.55% |
| Christoph Hellwig |
10 |
2.23% |
2 |
9.09% |
| Shankar Anand |
8 |
1.79% |
1 |
4.55% |
| Trond Myklebust |
6 |
1.34% |
1 |
4.55% |
| Andreas Gruenbacher |
4 |
0.89% |
1 |
4.55% |
| Greg Kroah-Hartman |
1 |
0.22% |
1 |
4.55% |
| David Howells |
1 |
0.22% |
1 |
4.55% |
| Neil Brown |
1 |
0.22% |
1 |
4.55% |
| Total |
448 |
|
22 |
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Statistics for NFS server.
*
* Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
*/
#ifndef _NFSD_STATS_H
#define _NFSD_STATS_H
#include <uapi/linux/nfsd/stats.h>
#include <linux/percpu_counter.h>
enum {
NFSD_STATS_RC_HITS, /* repcache hits */
NFSD_STATS_RC_MISSES, /* repcache misses */
NFSD_STATS_RC_NOCACHE, /* uncached reqs */
NFSD_STATS_FH_STALE, /* FH stale error */
NFSD_STATS_IO_READ, /* bytes returned to read requests */
NFSD_STATS_IO_WRITE, /* bytes passed in write requests */
#ifdef CONFIG_NFSD_V4
NFSD_STATS_FIRST_NFS4_OP, /* count of individual nfsv4 operations */
NFSD_STATS_LAST_NFS4_OP = NFSD_STATS_FIRST_NFS4_OP + LAST_NFS4_OP,
#define NFSD_STATS_NFS4_OP(op) (NFSD_STATS_FIRST_NFS4_OP + (op))
NFSD_STATS_WDELEG_GETATTR, /* count of getattr conflict with wdeleg */
#endif
NFSD_STATS_COUNTERS_NUM
};
struct nfsd_stats {
struct percpu_counter counter[NFSD_STATS_COUNTERS_NUM];
atomic_t th_cnt; /* number of available threads */
};
extern struct nfsd_stats nfsdstats;
extern struct svc_stat nfsd_svcstats;
int nfsd_percpu_counters_init(struct percpu_counter *counters, int num);
void nfsd_percpu_counters_reset(struct percpu_counter *counters, int num);
void nfsd_percpu_counters_destroy(struct percpu_counter *counters, int num);
int nfsd_stat_init(void);
void nfsd_stat_shutdown(void);
static inline void nfsd_stats_rc_hits_inc(void)
{
percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_RC_HITS]);
}
static inline void nfsd_stats_rc_misses_inc(void)
{
percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_RC_MISSES]);
}
static inline void nfsd_stats_rc_nocache_inc(void)
{
percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_RC_NOCACHE]);
}
static inline void nfsd_stats_fh_stale_inc(struct svc_export *exp)
{
percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_FH_STALE]);
if (exp && exp->ex_stats)
percpu_counter_inc(&exp->ex_stats->counter[EXP_STATS_FH_STALE]);
}
static inline void nfsd_stats_io_read_add(struct svc_export *exp, s64 amount)
{
percpu_counter_add(&nfsdstats.counter[NFSD_STATS_IO_READ], amount);
if (exp && exp->ex_stats)
percpu_counter_add(&exp->ex_stats->counter[EXP_STATS_IO_READ], amount);
}
static inline void nfsd_stats_io_write_add(struct svc_export *exp, s64 amount)
{
percpu_counter_add(&nfsdstats.counter[NFSD_STATS_IO_WRITE], amount);
if (exp && exp->ex_stats)
percpu_counter_add(&exp->ex_stats->counter[EXP_STATS_IO_WRITE], amount);
}
static inline void nfsd_stats_payload_misses_inc(struct nfsd_net *nn)
{
percpu_counter_inc(&nn->counter[NFSD_NET_PAYLOAD_MISSES]);
}
static inline void nfsd_stats_drc_mem_usage_add(struct nfsd_net *nn, s64 amount)
{
percpu_counter_add(&nn->counter[NFSD_NET_DRC_MEM_USAGE], amount);
}
static inline void nfsd_stats_drc_mem_usage_sub(struct nfsd_net *nn, s64 amount)
{
percpu_counter_sub(&nn->counter[NFSD_NET_DRC_MEM_USAGE], amount);
}
#ifdef CONFIG_NFSD_V4
static inline void nfsd_stats_wdeleg_getattr_inc(void)
{
percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_WDELEG_GETATTR]);
}
#endif
#endif /* _NFSD_STATS_H */