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linux/net/ceph
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Xiubo Li 97e27aaa9a ceph: add read/write latency metric support 
Calculate the latency for OSD read requests. Add a new r_end_stamp
field to struct ceph_osd_request that will hold the time of that
the reply was received. Use that to calculate the RTT for each call,
and divide the sum of those by number of calls to get averate RTT.

Keep a tally of RTT for OSD writes and number of calls to track average
latency of OSD writes.

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>
2020-06-01 13:22:51 +02:00
..
crush crush: fix using plain integer as NULL warning 2018-08-13 17:55:44 +02:00
armor.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
auth.c libceph: add authorizer challenge 2018-08-02 21:33:24 +02:00
auth_none.c ceph: fix whitespace 2018-08-02 21:33:21 +02:00
auth_none.h ceph: fix whitespace 2018-08-02 21:33:21 +02:00
auth_x.c libceph: weaken sizeof check in ceph_x_verify_authorizer_reply() 2018-08-02 21:33:26 +02:00
auth_x.h ceph: fix whitespace 2018-08-02 21:33:21 +02:00
auth_x_protocol.h libceph: add authorizer challenge 2018-08-02 21:33:24 +02:00
buffer.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ceph_common.c fs_parse: fold fs_parameter_desc/fs_parameter_spec 2020-02-07 14:48:37 -05:00
ceph_hash.c ceph: mark expected switch fall-throughs 2017-11-13 12:11:39 +01:00
ceph_strings.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cls_lock_client.c rbd: support for object-map and fast-diff 2019-07-08 14:01:45 +02:00
crypto.c libceph: don't call crypto_free_sync_skcipher() on a NULL tfm 2019-08-28 12:33:46 +02:00
crypto.h libceph: Remove VLA usage of skcipher 2018-09-28 12:46:07 +08:00
debugfs.c libceph: drop CEPH_DEFINE_SHOW_FUNC 2020-03-30 12:42:40 +02:00
decode.c libceph: use TYPE_LEGACY for entity addrs instead of TYPE_NONE 2019-07-08 14:01:43 +02:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile ceph: move net/ceph/ceph_fs.c to fs/ceph/util.c 2020-01-27 16:53:40 +01:00
messenger.c libceph: fix alloc_msg_with_page_vector() memory leaks 2020-03-23 13:07:08 +01:00
mon_client.c libceph: simplify ceph_monc_handle_map() 2020-03-30 12:42:41 +02:00
msgpool.c libceph: preallocate message data items 2018-10-22 10:28:22 +02:00
osd_client.c ceph: add read/write latency metric support 2020-06-01 13:22:51 +02:00
osdmap.c ceph: check POOL_FLAG_FULL/NEARFULL in addition to OSDMAP_FULL/NEARFULL 2020-03-23 13:07:08 +01:00
pagelist.c libceph: introduce ceph_pagelist_alloc() 2018-10-22 10:28:21 +02:00
pagevec.c libceph: remove ceph_get_direct_page_vector() 2019-07-08 14:01:40 +02:00
snapshot.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 268 2019-06-05 17:30:29 +02:00
string_table.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
striper.c rbd: support for object-map and fast-diff 2019-07-08 14:01:45 +02:00