Re: [PATCH v4 00/18] nfsd: observability improvements

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On Sat, 2025-05-03 at 15:59 -0400, cel@xxxxxxxxxx wrote:
> From: Chuck Lever <chuck.lever@xxxxxxxxxx>
> 
> These needed enough cosmetic changes that a v4 posting is warranted.
> 

Thanks for the cleanups. Your changes look fine to me.

> Some of these could add a few more arguments, but the basic
> infrastructure is solid enough to run with.
> 
> Changes in v4:
> - Replace usage of __array/memcpy for capturing sockaddrs
> - Add NFSD_TRACE_PROC_CALL macros instead of re-using SVC_RQST_ENDPOINT
> - Const-ify tracepoint pointer arguments
> - Rename nfsd_setattr and nfsd_lookup_dentry tracepoints to include _vfs_
> - Restructure the new READDIR tracepoint to capture the "count" argument
> - Add non-empty patch descriptions to silence checkpatch.pl
> - Link to v3: https://lore.kernel.org/r/20250503-nfsd-tracepoints-v3-0-d89f445969af@xxxxxxxxxx
> 
> Changes in v3:
> - move most of the tracepoints into non-version specific nfsd/vfs.c calls
> - rename them with a nfsd_vfs_* prefix
> - remove the dprintks in separate patches
> - Link to v2: https://lore.kernel.org/r/20250409-nfsd-tracepoints-v2-0-cf4e084fdd9c@xxxxxxxxxx
> 
> Changes in v2:
> - Break tracepoints out into multiple patches
> - Flesh out the tracepoints in these locations to display the same info
>   as legacy dprintks.
> - have all the tracepoints SVC_XPRT_ENDPOINT_* info
> - update svc_xprt_dequeue tracepoint to show how long xprt was on queue
> - Link to v1: https://lore.kernel.org/r/20250306-nfsd-tracepoints-v1-0-4405bf41b95f@xxxxxxxxxx
> 
> Chuck Lever (2):
>   NFSD: Use sockaddr instead of a generic array
>   NFSD: Add a Call equivalent to the NFSD_TRACE_PROC_RES macros
> 
> Jeff Layton (16):
>   nfsd: add a tracepoint for nfsd_setattr
>   nfsd: add a tracepoint to nfsd_lookup_dentry
>   nfsd: add nfsd_vfs_create tracepoints
>   nfsd: add tracepoint to nfsd_symlink
>   nfsd: add tracepoint to nfsd_link()
>   nfsd: add tracepoints for unlink events
>   nfsd: add tracepoint to nfsd_rename
>   nfsd: add tracepoint to nfsd_readdir
>   nfsd: add tracepoint for getattr and statfs events
>   nfsd: remove old v2/3 create path dprintks
>   nfsd: remove old v2/3 SYMLINK dprintks
>   nfsd: remove old LINK dprintks
>   nfsd: remove REMOVE/RMDIR dprintks
>   nfsd: remove dprintks for v2/3 RENAME events
>   nfsd: remove legacy READDIR dprintks
>   nfsd: remove legacy dprintks from GETATTR and STATFS codepaths
> 
>  fs/nfsd/nfs3proc.c      |  63 +--------
>  fs/nfsd/nfs4proc.c      |   5 +
>  fs/nfsd/nfsproc.c       |  35 +----
>  fs/nfsd/trace.h         | 300 ++++++++++++++++++++++++++++++++++++++--
>  fs/nfsd/vfs.c           |  16 ++-
>  include/trace/misc/fs.h |  21 +++
>  6 files changed, 336 insertions(+), 104 deletions(-)

-- 
Jeff Layton <jlayton@xxxxxxxxxx>





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