245 lines
6.1 KiB
C
245 lines
6.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _FS_CEPH_MDS_METRIC_H
|
|
#define _FS_CEPH_MDS_METRIC_H
|
|
|
|
#include <linux/ceph/types.h>
|
|
#include <linux/percpu_counter.h>
|
|
#include <linux/ktime.h>
|
|
|
|
extern bool disable_send_metrics;
|
|
|
|
enum ceph_metric_type {
|
|
CLIENT_METRIC_TYPE_CAP_INFO,
|
|
CLIENT_METRIC_TYPE_READ_LATENCY,
|
|
CLIENT_METRIC_TYPE_WRITE_LATENCY,
|
|
CLIENT_METRIC_TYPE_METADATA_LATENCY,
|
|
CLIENT_METRIC_TYPE_DENTRY_LEASE,
|
|
CLIENT_METRIC_TYPE_OPENED_FILES,
|
|
CLIENT_METRIC_TYPE_PINNED_ICAPS,
|
|
CLIENT_METRIC_TYPE_OPENED_INODES,
|
|
CLIENT_METRIC_TYPE_READ_IO_SIZES,
|
|
CLIENT_METRIC_TYPE_WRITE_IO_SIZES,
|
|
CLIENT_METRIC_TYPE_AVG_READ_LATENCY,
|
|
CLIENT_METRIC_TYPE_STDEV_READ_LATENCY,
|
|
CLIENT_METRIC_TYPE_AVG_WRITE_LATENCY,
|
|
CLIENT_METRIC_TYPE_STDEV_WRITE_LATENCY,
|
|
CLIENT_METRIC_TYPE_AVG_METADATA_LATENCY,
|
|
CLIENT_METRIC_TYPE_STDEV_METADATA_LATENCY,
|
|
|
|
CLIENT_METRIC_TYPE_MAX = CLIENT_METRIC_TYPE_STDEV_METADATA_LATENCY,
|
|
};
|
|
|
|
/*
|
|
* This will always have the highest metric bit value
|
|
* as the last element of the array.
|
|
*/
|
|
#define CEPHFS_METRIC_SPEC_CLIENT_SUPPORTED { \
|
|
CLIENT_METRIC_TYPE_CAP_INFO, \
|
|
CLIENT_METRIC_TYPE_READ_LATENCY, \
|
|
CLIENT_METRIC_TYPE_WRITE_LATENCY, \
|
|
CLIENT_METRIC_TYPE_METADATA_LATENCY, \
|
|
CLIENT_METRIC_TYPE_DENTRY_LEASE, \
|
|
CLIENT_METRIC_TYPE_OPENED_FILES, \
|
|
CLIENT_METRIC_TYPE_PINNED_ICAPS, \
|
|
CLIENT_METRIC_TYPE_OPENED_INODES, \
|
|
CLIENT_METRIC_TYPE_READ_IO_SIZES, \
|
|
CLIENT_METRIC_TYPE_WRITE_IO_SIZES, \
|
|
CLIENT_METRIC_TYPE_AVG_READ_LATENCY, \
|
|
CLIENT_METRIC_TYPE_STDEV_READ_LATENCY, \
|
|
CLIENT_METRIC_TYPE_AVG_WRITE_LATENCY, \
|
|
CLIENT_METRIC_TYPE_STDEV_WRITE_LATENCY, \
|
|
CLIENT_METRIC_TYPE_AVG_METADATA_LATENCY, \
|
|
CLIENT_METRIC_TYPE_STDEV_METADATA_LATENCY, \
|
|
\
|
|
CLIENT_METRIC_TYPE_MAX, \
|
|
}
|
|
|
|
struct ceph_metric_header {
|
|
__le32 type; /* ceph metric type */
|
|
__u8 ver;
|
|
__u8 compat;
|
|
__le32 data_len; /* length of sizeof(hit + mis + total) */
|
|
} __packed;
|
|
|
|
/* metric caps header */
|
|
struct ceph_metric_cap {
|
|
struct ceph_metric_header header;
|
|
__le64 hit;
|
|
__le64 mis;
|
|
__le64 total;
|
|
} __packed;
|
|
|
|
/* metric read latency header */
|
|
struct ceph_metric_read_latency {
|
|
struct ceph_metric_header header;
|
|
struct ceph_timespec lat;
|
|
struct ceph_timespec avg;
|
|
__le64 sq_sum;
|
|
__le64 count;
|
|
} __packed;
|
|
|
|
/* metric write latency header */
|
|
struct ceph_metric_write_latency {
|
|
struct ceph_metric_header header;
|
|
struct ceph_timespec lat;
|
|
struct ceph_timespec avg;
|
|
__le64 sq_sum;
|
|
__le64 count;
|
|
} __packed;
|
|
|
|
/* metric metadata latency header */
|
|
struct ceph_metric_metadata_latency {
|
|
struct ceph_metric_header header;
|
|
struct ceph_timespec lat;
|
|
struct ceph_timespec avg;
|
|
__le64 sq_sum;
|
|
__le64 count;
|
|
} __packed;
|
|
|
|
/* metric dentry lease header */
|
|
struct ceph_metric_dlease {
|
|
struct ceph_metric_header header;
|
|
__le64 hit;
|
|
__le64 mis;
|
|
__le64 total;
|
|
} __packed;
|
|
|
|
/* metric opened files header */
|
|
struct ceph_opened_files {
|
|
struct ceph_metric_header header;
|
|
__le64 opened_files;
|
|
__le64 total;
|
|
} __packed;
|
|
|
|
/* metric pinned i_caps header */
|
|
struct ceph_pinned_icaps {
|
|
struct ceph_metric_header header;
|
|
__le64 pinned_icaps;
|
|
__le64 total;
|
|
} __packed;
|
|
|
|
/* metric opened inodes header */
|
|
struct ceph_opened_inodes {
|
|
struct ceph_metric_header header;
|
|
__le64 opened_inodes;
|
|
__le64 total;
|
|
} __packed;
|
|
|
|
/* metric read io size header */
|
|
struct ceph_read_io_size {
|
|
struct ceph_metric_header header;
|
|
__le64 total_ops;
|
|
__le64 total_size;
|
|
} __packed;
|
|
|
|
/* metric write io size header */
|
|
struct ceph_write_io_size {
|
|
struct ceph_metric_header header;
|
|
__le64 total_ops;
|
|
__le64 total_size;
|
|
} __packed;
|
|
|
|
struct ceph_metric_head {
|
|
__le32 num; /* the number of metrics that will be sent */
|
|
} __packed;
|
|
|
|
enum metric_type {
|
|
METRIC_READ,
|
|
METRIC_WRITE,
|
|
METRIC_METADATA,
|
|
METRIC_COPYFROM,
|
|
METRIC_MAX
|
|
};
|
|
|
|
struct ceph_metric {
|
|
spinlock_t lock;
|
|
u64 total;
|
|
u64 size_sum;
|
|
u64 size_min;
|
|
u64 size_max;
|
|
ktime_t latency_sum;
|
|
ktime_t latency_avg;
|
|
ktime_t latency_sq_sum;
|
|
ktime_t latency_min;
|
|
ktime_t latency_max;
|
|
};
|
|
|
|
/* 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;
|
|
|
|
atomic64_t total_caps;
|
|
struct percpu_counter i_caps_hit;
|
|
struct percpu_counter i_caps_mis;
|
|
|
|
struct ceph_metric metric[METRIC_MAX];
|
|
|
|
/* The total number of directories and files that are opened */
|
|
atomic64_t opened_files;
|
|
|
|
/* The total number of inodes that have opened files or directories */
|
|
struct percpu_counter opened_inodes;
|
|
struct percpu_counter total_inodes;
|
|
|
|
struct ceph_mds_session *session;
|
|
struct delayed_work delayed_work; /* delayed work */
|
|
};
|
|
|
|
static inline void metric_schedule_delayed(struct ceph_client_metric *m)
|
|
{
|
|
if (disable_send_metrics)
|
|
return;
|
|
|
|
/* per second */
|
|
schedule_delayed_work(&m->delayed_work, round_jiffies_relative(HZ));
|
|
}
|
|
|
|
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_metrics(struct ceph_metric *m,
|
|
ktime_t r_start, ktime_t r_end,
|
|
unsigned int size, int rc);
|
|
|
|
static inline void ceph_update_read_metrics(struct ceph_client_metric *m,
|
|
ktime_t r_start, ktime_t r_end,
|
|
unsigned int size, int rc)
|
|
{
|
|
ceph_update_metrics(&m->metric[METRIC_READ],
|
|
r_start, r_end, size, rc);
|
|
}
|
|
static inline void ceph_update_write_metrics(struct ceph_client_metric *m,
|
|
ktime_t r_start, ktime_t r_end,
|
|
unsigned int size, int rc)
|
|
{
|
|
ceph_update_metrics(&m->metric[METRIC_WRITE],
|
|
r_start, r_end, size, rc);
|
|
}
|
|
static inline void ceph_update_metadata_metrics(struct ceph_client_metric *m,
|
|
ktime_t r_start, ktime_t r_end,
|
|
int rc)
|
|
{
|
|
ceph_update_metrics(&m->metric[METRIC_METADATA],
|
|
r_start, r_end, 0, rc);
|
|
}
|
|
static inline void ceph_update_copyfrom_metrics(struct ceph_client_metric *m,
|
|
ktime_t r_start, ktime_t r_end,
|
|
unsigned int size, int rc)
|
|
{
|
|
ceph_update_metrics(&m->metric[METRIC_COPYFROM],
|
|
r_start, r_end, size, rc);
|
|
}
|
|
#endif /* _FS_CEPH_MDS_METRIC_H */
|