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authorXiubo Li <xiubli@redhat.com>2021-05-13 04:40:53 +0300
committerIlya Dryomov <idryomov@gmail.com>2021-06-29 01:15:51 +0300
commit903f4fec78dd05a48fdccdf4539c040fb2d5bbf4 (patch)
treee6fdd3498a0a70896d7768b76518f42c61c0931f /fs/ceph/metric.h
parentfc123d5f504bfb26d5947c68c5eb1b164d069509 (diff)
downloadlinux-903f4fec78dd05a48fdccdf4539c040fb2d5bbf4.tar.xz
ceph: add IO size metrics support
This will collect IO's total size and then calculate the average size, and also will collect the min/max IO sizes. The debugfs will show the size metrics in bytes and will let the userspace applications to switch to what they need. URL: https://tracker.ceph.com/issues/49913 Signed-off-by: Xiubo Li <xiubli@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/metric.h')
-rw-r--r--fs/ceph/metric.h30
1 files changed, 27 insertions, 3 deletions
diff --git a/fs/ceph/metric.h b/fs/ceph/metric.h
index 1bdc45409daa..0133955a3c6a 100644
--- a/fs/ceph/metric.h
+++ b/fs/ceph/metric.h
@@ -17,8 +17,10 @@ enum ceph_metric_type {
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_MAX = CLIENT_METRIC_TYPE_OPENED_INODES,
+ CLIENT_METRIC_TYPE_MAX = CLIENT_METRIC_TYPE_WRITE_IO_SIZES,
};
/*
@@ -34,6 +36,8 @@ enum ceph_metric_type {
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_MAX, \
}
@@ -103,6 +107,20 @@ struct ceph_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;
@@ -119,6 +137,9 @@ struct ceph_client_metric {
spinlock_t read_metric_lock;
u64 total_reads;
+ u64 read_size_sum;
+ u64 read_size_min;
+ u64 read_size_max;
ktime_t read_latency_sum;
ktime_t read_latency_sq_sum;
ktime_t read_latency_min;
@@ -126,6 +147,9 @@ struct ceph_client_metric {
spinlock_t write_metric_lock;
u64 total_writes;
+ u64 write_size_sum;
+ u64 write_size_min;
+ u64 write_size_max;
ktime_t write_latency_sum;
ktime_t write_latency_sq_sum;
ktime_t write_latency_min;
@@ -173,10 +197,10 @@ static inline void ceph_update_cap_mis(struct ceph_client_metric *m)
extern void ceph_update_read_metrics(struct ceph_client_metric *m,
ktime_t r_start, ktime_t r_end,
- int rc);
+ unsigned int size, int rc);
extern void ceph_update_write_metrics(struct ceph_client_metric *m,
ktime_t r_start, ktime_t r_end,
- int rc);
+ unsigned int size, int rc);
extern void ceph_update_metadata_metrics(struct ceph_client_metric *m,
ktime_t r_start, ktime_t r_end,
int rc);