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-rw-r--r--fs/ceph/metric.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/ceph/metric.h b/fs/ceph/metric.h
index 098ee8a9adaf..ab1543c70a75 100644
--- a/fs/ceph/metric.h
+++ b/fs/ceph/metric.h
@@ -4,6 +4,7 @@
#include <linux/types.h>
#include <linux/percpu_counter.h>
+#include <linux/ktime.h>
/* This is the global metrics */
struct ceph_client_metric {
@@ -13,6 +14,20 @@ struct ceph_client_metric {
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;
};
extern int ceph_metric_init(struct ceph_client_metric *m);
@@ -27,4 +42,11 @@ 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);
#endif /* _FS_CEPH_MDS_METRIC_H */