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| author | Xiubo Li <xiubli@redhat.com> | 2020-03-20 06:45:02 +0300 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2020-06-01 14:22:51 +0300 |
| commit | 70c948206f0616c7e46130a26165b6a5d98bade4 (patch) | |
| tree | e494d909a6cff5bbffd2404ba5188ed46af2fbd8 /fs/ceph/mds_client.h | |
| parent | 97e27aaa9a2cbd6238c66b3251d397e0eacc9968 (diff) | |
| download | linux-70c948206f0616c7e46130a26165b6a5d98bade4.tar.xz | |
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/mds_client.h')
| -rw-r--r-- | fs/ceph/mds_client.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h index 605995ae3718..cceeb33f2ff9 100644 --- a/fs/ceph/mds_client.h +++ b/fs/ceph/mds_client.h @@ -10,6 +10,7 @@ #include <linux/spinlock.h> #include <linux/refcount.h> #include <linux/utsname.h> +#include <linux/ktime.h> #include <linux/ceph/types.h> #include <linux/ceph/messenger.h> @@ -299,6 +300,8 @@ struct ceph_mds_request { unsigned long r_timeout; /* optional. jiffies, 0 is "wait forever" */ unsigned long r_started; /* start time to measure timeout against */ + unsigned long r_start_latency; /* start time to measure latency */ + unsigned long r_end_latency; /* finish time to measure latency */ unsigned long r_request_started; /* start time for mds request only, used to measure lease durations */ |