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| author | Gioh Kim <gi-oh.kim@ionos.com> | 2021-04-07 13:34:44 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-04-14 00:44:54 +0200 |
| commit | abdeef3b2388385e142d90f1d0359aa3b11ac5e6 (patch) | |
| tree | fd11107ce3b7e775e6889f09228f1791cdd5e1ed /Documentation/ABI/testing/sysfs-class-rtrs-client | |
| parent | RDMA/rtrs-clt: New sysfs attribute to print the latency of each path (diff) | |
| download | linux-abdeef3b2388385e142d90f1d0359aa3b11ac5e6.tar.xz linux-abdeef3b2388385e142d90f1d0359aa3b11ac5e6.zip | |
Documentation/ABI/rtrs-clt: Add descriptions for min-latency policy
Describe new multipath policy min-latency of the RTRS client.
Link: https://lore.kernel.org/r/20210407113444.150961-5-gi-oh.kim@ionos.com
Signed-off-by: Gioh Kim <gi-oh.kim@ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'Documentation/ABI/testing/sysfs-class-rtrs-client')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-rtrs-client | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-rtrs-client b/Documentation/ABI/testing/sysfs-class-rtrs-client index 0f7165aab251..49a4157c7bf1 100644 --- a/Documentation/ABI/testing/sysfs-class-rtrs-client +++ b/Documentation/ABI/testing/sysfs-class-rtrs-client @@ -34,6 +34,9 @@ Description: Multipath policy specifies which path should be selected on each IO min-inflight (1): select path with minimum inflights. + min-latency (2): + select path with minimum latency. + What: /sys/class/rtrs-client/<session-name>/paths/ Date: Feb 2020 KernelVersion: 5.7 @@ -95,6 +98,15 @@ KernelVersion: 5.7 Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> Description: RO, Contains the destination address of the path +What: /sys/class/rtrs-client/<session-name>/paths/<src@dst>/cur_latency +Date: Feb 2020 +KernelVersion: 5.7 +Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> +Description: RO, Contains the latency time calculated by the heart-beat messages. + Whenever the client sends heart-beat message, it checks the time gap + between sending the heart-beat message and receiving the ACK. + This value can be changed regularly. + What: /sys/class/rtrs-client/<session-name>/paths/<src@dst>/stats/reset_all Date: Feb 2020 KernelVersion: 5.7 |