63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _FS_CEPH_MDS_METRIC_H
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#define _FS_CEPH_MDS_METRIC_H
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#include <linux/types.h>
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#include <linux/percpu_counter.h>
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#include <linux/ktime.h>
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/* This is the global metrics */
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struct ceph_client_metric {
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atomic64_t total_dentries;
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struct percpu_counter d_lease_hit;
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struct percpu_counter d_lease_mis;
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struct percpu_counter i_caps_hit;
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struct percpu_counter i_caps_mis;
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spinlock_t read_latency_lock;
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u64 total_reads;
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ktime_t read_latency_sum;
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ktime_t read_latency_sq_sum;
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ktime_t read_latency_min;
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ktime_t read_latency_max;
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spinlock_t write_latency_lock;
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u64 total_writes;
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ktime_t write_latency_sum;
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ktime_t write_latency_sq_sum;
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ktime_t write_latency_min;
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ktime_t write_latency_max;
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spinlock_t metadata_latency_lock;
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u64 total_metadatas;
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ktime_t metadata_latency_sum;
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ktime_t metadata_latency_sq_sum;
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ktime_t metadata_latency_min;
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ktime_t metadata_latency_max;
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};
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extern int ceph_metric_init(struct ceph_client_metric *m);
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extern void ceph_metric_destroy(struct ceph_client_metric *m);
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static inline void ceph_update_cap_hit(struct ceph_client_metric *m)
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{
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percpu_counter_inc(&m->i_caps_hit);
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}
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static inline void ceph_update_cap_mis(struct ceph_client_metric *m)
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{
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percpu_counter_inc(&m->i_caps_mis);
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}
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extern void ceph_update_read_latency(struct ceph_client_metric *m,
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ktime_t r_start, ktime_t r_end,
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int rc);
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extern void ceph_update_write_latency(struct ceph_client_metric *m,
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ktime_t r_start, ktime_t r_end,
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int rc);
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extern void ceph_update_metadata_latency(struct ceph_client_metric *m,
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ktime_t r_start, ktime_t r_end,
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int rc);
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#endif /* _FS_CEPH_MDS_METRIC_H */
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