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18f473b384
linux/fs/ceph
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Xiubo Li 18f473b384 ceph: periodically send perf metrics to MDSes 
This will send the caps/read/write/metadata metrics to any available MDS
once per second, which will be the same as the userland client.  It will
skip the MDS sessions which don't support the metric collection, as the
MDSs will close socket connections when they get an unknown type
message.

We can disable the metric sending via the disable_send_metrics module
parameter.

[ jlayton: fix up endianness bug in ceph_mdsc_send_metrics() ]

URL: https://tracker.ceph.com/issues/43215
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2020-08-03 11:05:26 +02:00
..
acl.c ceph: add caps perf metric for each superblock 2020-06-01 13:22:51 +02:00
addr.c ceph: add read/write latency metric support 2020-06-01 13:22:51 +02:00
cache.c ceph: replace zero-length array with flexible-array member 2020-03-30 12:42:40 +02:00
cache.h libceph, rbd, ceph: convert to use the new mount API 2019-11-27 22:28:37 +01:00
caps.c ceph: clean up and optimize ceph_check_delayed_caps() 2020-08-03 11:05:21 +02:00
ceph_frag.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs.c ceph: add global total_caps to count the mdsc's total caps number 2020-08-03 11:05:15 +02:00
dir.c ceph: allow rename operation under different quota realms 2020-06-01 13:22:53 +02:00
export.c ceph: don't return -ESTALE if there's still an open file 2020-06-01 13:22:53 +02:00
file.c ceph: do not access the kiocb after aio requests 2020-08-03 11:05:25 +02:00
inode.c ceph: add caps perf metric for each superblock 2020-06-01 13:22:51 +02:00
io.c ceph: add buffered/direct exclusionary locking for reads and writes 2019-09-16 12:06:25 +02:00
io.h ceph: add buffered/direct exclusionary locking for reads and writes 2019-09-16 12:06:25 +02:00
ioctl.c ceph: consider inode's last read/write when calculating wanted caps 2020-03-30 12:42:42 +02:00
ioctl.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig libceph: replace HTTP links with HTTPS ones 2020-08-03 11:05:26 +02:00
locks.c ceph: check if file lock exists before sending unlock request 2020-03-30 12:42:40 +02:00
Makefile ceph: add dentry lease metric support 2020-06-01 13:22:51 +02:00
mds_client.c ceph: periodically send perf metrics to MDSes 2020-08-03 11:05:26 +02:00
mds_client.h ceph: periodically send perf metrics to MDSes 2020-08-03 11:05:26 +02:00
mdsmap.c ceph: add possible_max_rank and make the code more readable 2020-01-27 16:53:40 +01:00
metric.c ceph: periodically send perf metrics to MDSes 2020-08-03 11:05:26 +02:00
metric.h ceph: periodically send perf metrics to MDSes 2020-08-03 11:05:26 +02:00
quota.c ceph: allow rename operation under different quota realms 2020-06-01 13:22:53 +02:00
snap.c ceph: fix memory leak in ceph_cleanup_snapid_map() 2020-03-23 13:07:08 +01:00
strings.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
super.c ceph: periodically send perf metrics to MDSes 2020-08-03 11:05:26 +02:00
super.h ceph: periodically send perf metrics to MDSes 2020-08-03 11:05:26 +02:00
util.c ceph: move net/ceph/ceph_fs.c to fs/ceph/util.c 2020-01-27 16:53:40 +01:00
xattr.c ceph: remove unnecessary cast in kfree() 2020-08-03 11:05:26 +02:00