diff options
Diffstat (limited to 'fs/ceph/metric.h')
| -rw-r--r-- | fs/ceph/metric.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/fs/ceph/metric.h b/fs/ceph/metric.h new file mode 100644 index 000000000000..ccd81285a450 --- /dev/null +++ b/fs/ceph/metric.h @@ -0,0 +1,62 @@ +/* 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 */ |