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| author | Venky Shankar <vshankar@redhat.com> | 2022-03-08 07:42:18 -0500 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2022-03-21 13:35:16 +0100 |
| commit | 54d7b821a37fdb805ffc8545e536fb228c1113b2 (patch) | |
| tree | 360fd32929b7c9139fe74f8a729a22f69c13b059 /fs/ceph/metric.c | |
| parent | 367290e6355ce13c17d17f3ec1075beb7ca3224a (diff) | |
| download | linux-54d7b821a37fdb805ffc8545e536fb228c1113b2.tar.gz linux-54d7b821a37fdb805ffc8545e536fb228c1113b2.tar.bz2 linux-54d7b821a37fdb805ffc8545e536fb228c1113b2.zip | |
ceph: include average/stdev r/w/m latency in mds metrics
stdev is computed in `cephfs-top` tool - clients forward
square of sums and IO count required to calculate stdev.
Signed-off-by: Venky Shankar <vshankar@redhat.com>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/metric.c')
| -rw-r--r-- | fs/ceph/metric.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/fs/ceph/metric.c b/fs/ceph/metric.c index 14b6af48b611..c47347d2e84e 100644 --- a/fs/ceph/metric.c +++ b/fs/ceph/metric.c @@ -64,31 +64,40 @@ static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc, /* encode the read latency metric */ read = (struct ceph_metric_read_latency *)(cap + 1); read->header.type = cpu_to_le32(CLIENT_METRIC_TYPE_READ_LATENCY); - read->header.ver = 1; + read->header.ver = 2; read->header.compat = 1; read->header.data_len = cpu_to_le32(sizeof(*read) - header_len); sum = m->metric[METRIC_READ].latency_sum; ktime_to_ceph_timespec(&read->lat, sum); + ktime_to_ceph_timespec(&read->avg, m->metric[METRIC_READ].latency_avg); + read->sq_sum = cpu_to_le64(m->metric[METRIC_READ].latency_sq_sum); + read->count = cpu_to_le64(m->metric[METRIC_READ].total); items++; /* encode the write latency metric */ write = (struct ceph_metric_write_latency *)(read + 1); write->header.type = cpu_to_le32(CLIENT_METRIC_TYPE_WRITE_LATENCY); - write->header.ver = 1; + write->header.ver = 2; write->header.compat = 1; write->header.data_len = cpu_to_le32(sizeof(*write) - header_len); sum = m->metric[METRIC_WRITE].latency_sum; ktime_to_ceph_timespec(&write->lat, sum); + ktime_to_ceph_timespec(&write->avg, m->metric[METRIC_WRITE].latency_avg); + write->sq_sum = cpu_to_le64(m->metric[METRIC_WRITE].latency_sq_sum); + write->count = cpu_to_le64(m->metric[METRIC_WRITE].total); items++; /* encode the metadata latency metric */ meta = (struct ceph_metric_metadata_latency *)(write + 1); meta->header.type = cpu_to_le32(CLIENT_METRIC_TYPE_METADATA_LATENCY); - meta->header.ver = 1; + meta->header.ver = 2; meta->header.compat = 1; meta->header.data_len = cpu_to_le32(sizeof(*meta) - header_len); sum = m->metric[METRIC_METADATA].latency_sum; ktime_to_ceph_timespec(&meta->lat, sum); + ktime_to_ceph_timespec(&meta->avg, m->metric[METRIC_METADATA].latency_avg); + meta->sq_sum = cpu_to_le64(m->metric[METRIC_METADATA].latency_sq_sum); + meta->count = cpu_to_le64(m->metric[METRIC_METADATA].total); items++; /* encode the dentry lease metric */ |