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| author | Chuck Lever <chuck.lever@oracle.com> | 2018-03-27 10:52:27 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2018-04-03 15:08:13 -0400 |
| commit | 55f5088c22cc83dbc64394abfbf76cd1ff5e7cd0 (patch) | |
| tree | 229d0f82add5b8107c1a9ebe3890d43507a5dcc2 /fs/nfsd/vfs.c | |
| parent | aaba72cd4e793fbf1c04e06dee3d2c3710339678 (diff) | |
| download | linux-stable-55f5088c22cc83dbc64394abfbf76cd1ff5e7cd0.tar.gz linux-stable-55f5088c22cc83dbc64394abfbf76cd1ff5e7cd0.tar.bz2 linux-stable-55f5088c22cc83dbc64394abfbf76cd1ff5e7cd0.zip | |
svc: Report xprt dequeue latency
Record the time between when a rqstp is enqueued on a transport
and when it is dequeued. This includes how long the rqstp waits on
the queue and how long it takes the kernel scheduler to wake a
nfsd thread to service it.
The svc_xprt_dequeue trace point is altered to include the number
of microseconds between xprt_enqueue and xprt_dequeue.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/vfs.c')
0 files changed, 0 insertions, 0 deletions