summaryrefslogblamecommitdiff
path: root/fs/ceph/metric.h
blob: ccd81285a450fd172d8d9a351d1481d58c5ef82e (plain) (tree) 
f9009efac49c ^






97e27aaa9a2c ^

f9009efac49c ^






1af16d547f30 ^



97e27aaa9a2c ^














70c948206f06 ^







f9009efac49c ^




1af16d547f30 ^










97e27aaa9a2c ^







70c948206f06 ^



f9009efac49c ^

1
2
3
4
5
6

7

8
9
10
11
12
13

14
15
16

17
18
19
20
21
22
23
24
25
26
27
28
29
30

31
32
33
34
35
36
37

38
39
40
41

42
43
44
45
46
47
48
49
50
51

52
53
54
55
56
57
58

59
60
61

62






                                      
                        





                                             


                                         













                                      






                                         



                                                              









                                                                    






                                                                     


                                                                        
                                  
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _FS_CEPH_MDS_METRIC_H
#define _FS_CEPH_MDS_METRIC_H

#include <linux/types.h>
#include <linux/percpu_counter.h>
#include <linux/ktime.h>

/* This is the global metrics */
struct ceph_client_metric {
	atomic64_t            total_dentries;
	struct percpu_counter d_lease_hit;
	struct percpu_counter d_lease_mis;

	struct percpu_counter i_caps_hit;
	struct percpu_counter i_caps_mis;

	spinlock_t read_latency_lock;
	u64 total_reads;
	ktime_t read_latency_sum;
	ktime_t read_latency_sq_sum;
	ktime_t read_latency_min;
	ktime_t read_latency_max;

	spinlock_t write_latency_lock;
	u64 total_writes;
	ktime_t write_latency_sum;
	ktime_t write_latency_sq_sum;
	ktime_t write_latency_min;
	ktime_t write_latency_max;

	spinlock_t metadata_latency_lock;
	u64 total_metadatas;
	ktime_t metadata_latency_sum;
	ktime_t metadata_latency_sq_sum;
	ktime_t metadata_latency_min;
	ktime_t metadata_latency_max;
};

extern int ceph_metric_init(struct ceph_client_metric *m);
extern void ceph_metric_destroy(struct ceph_client_metric *m);

static inline void ceph_update_cap_hit(struct ceph_client_metric *m)
{
	percpu_counter_inc(&m->i_caps_hit);
}

static inline void ceph_update_cap_mis(struct ceph_client_metric *m)
{
	percpu_counter_inc(&m->i_caps_mis);
}

extern void ceph_update_read_latency(struct ceph_client_metric *m,
				     ktime_t r_start, ktime_t r_end,
				     int rc);
extern void ceph_update_write_latency(struct ceph_client_metric *m,
				      ktime_t r_start, ktime_t r_end,
				      int rc);
extern void ceph_update_metadata_latency(struct ceph_client_metric *m,
				         ktime_t r_start, ktime_t r_end,
					 int rc);
#endif /* _FS_CEPH_MDS_METRIC_H */