diff options
| author | Xiubo Li <xiubli@redhat.com> | 2020-03-19 23:45:02 -0400 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2020-06-01 13:22:51 +0200 |
| commit | 70c948206f0616c7e46130a26165b6a5d98bade4 (patch) | |
| tree | e494d909a6cff5bbffd2404ba5188ed46af2fbd8 /fs/ceph/debugfs.c | |
| parent | 97e27aaa9a2cbd6238c66b3251d397e0eacc9968 (diff) | |
ceph: add metadata perf metric support
Add a new "r_ended" field to struct ceph_mds_request and use that to
maintain the average latency of MDS requests.
URL: https://tracker.ceph.com/issues/43215
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/debugfs.c')
| -rw-r--r-- | fs/ceph/debugfs.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c index 30acbc7f9acd..070ed8481340 100644 --- a/fs/ceph/debugfs.c +++ b/fs/ceph/debugfs.c @@ -171,6 +171,16 @@ static int metric_show(struct seq_file *s, void *p) spin_unlock(&m->write_latency_lock); CEPH_METRIC_SHOW("write", total, avg, min, max, sq); + spin_lock(&m->metadata_latency_lock); + total = m->total_metadatas; + sum = m->metadata_latency_sum; + avg = total > 0 ? DIV64_U64_ROUND_CLOSEST(sum, total) : 0; + min = m->metadata_latency_min; + max = m->metadata_latency_max; + sq = m->metadata_latency_sq_sum; + spin_unlock(&m->metadata_latency_lock); + CEPH_METRIC_SHOW("metadata", total, avg, min, max, sq); + seq_printf(s, "\n"); seq_printf(s, "item total miss hit\n"); seq_printf(s, "-------------------------------------------------\n"); |