From: Gioh Kim <gi-oh.kim@ionos.com>
To: linux-rdma@vger.kernel.org
Cc: bvanassche@acm.org, leon@kernel.org, dledford@redhat.com,
jgg@ziepe.ca, haris.iqbal@ionos.com, jinpu.wang@ionos.com,
Gioh Kim <gi-oh.kim@ionos.com>
Subject: [PATCHv3 for-next 4/4] Documentation/ABI/rtrs-clt: Add descriptions for min-latency policy
Date: Wed, 7 Apr 2021 13:34:44 +0200 [thread overview]
Message-ID: <20210407113444.150961-5-gi-oh.kim@ionos.com> (raw)
In-Reply-To: <20210407113444.150961-1-gi-oh.kim@ionos.com>
describe new multipath policy min-latency of the RTRS client.
Signed-off-by: Gioh Kim <gi-oh.kim@ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
---
Documentation/ABI/testing/sysfs-class-rtrs-client | 12 ++++++++++++
1 file changed, 12 insertions(+)
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
--
2.25.1
next prev parent reply other threads:[~2021-04-07 11:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-07 11:34 [PATCHv3 for-next 0/4] New multipath policy for RTRS client Gioh Kim
2021-04-07 11:34 ` [PATCHv3 for-next 1/4] RDMA/rtrs-clt: Add a minimum latency multipath policy Gioh Kim
2021-04-07 11:34 ` [PATCHv3 for-next 2/4] RDMA/rtrs-clt: new sysfs attribute to print the latency of each path Gioh Kim
2021-04-07 11:34 ` [PATCHv3 for-next 3/4] RDMA/rtrs-clt: Check state of the rtrs_clt_sess before reading its stats Gioh Kim
2021-04-07 11:34 ` Gioh Kim [this message]
2021-04-13 22:47 ` [PATCHv3 for-next 0/4] New multipath policy for RTRS client Jason Gunthorpe
2021-04-14 4:59 ` Gioh Kim
2021-04-27 18:59 ` Jason Gunthorpe
2021-04-28 4:59 ` Gioh Kim
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