On Tue, 2022-03-08 at 23:26 +0000, David Howells wrote:
> Adjust the netfs_rreq tracepoint to include the origin of the request and
> to increase the size of the "what trace" output strings by a character so
> that "ENCRYPT" and "DECRYPT" will fit without abbreviation.
> 
> Signed-off-by: David Howells <dhowe...@redhat.com>
> cc: linux-cachefs@redhat.com
> 
> Link: 
> https://lore.kernel.org/r/164622996715.3564931.4252319907990358129.st...@warthog.procyon.org.uk/
>  # v1
> ---
> 
>  fs/netfs/read_helper.c       |    2 +-
>  include/trace/events/netfs.h |   18 +++++++++---------
>  2 files changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/fs/netfs/read_helper.c b/fs/netfs/read_helper.c
> index ef23ef9889d5..181aeda32649 100644
> --- a/fs/netfs/read_helper.c
> +++ b/fs/netfs/read_helper.c
> @@ -181,7 +181,7 @@ static void netfs_rreq_do_write_to_cache(struct 
> netfs_io_request *rreq)
>       struct iov_iter iter;
>       int ret;
>  
> -     trace_netfs_rreq(rreq, netfs_rreq_trace_write);
> +     trace_netfs_rreq(rreq, netfs_rreq_trace_copy);
>  
>       /* We don't want terminating writes trying to wake us up whilst we're
>        * still going through the list.
> diff --git a/include/trace/events/netfs.h b/include/trace/events/netfs.h
> index 2d0665b416bf..daf171de2142 100644
> --- a/include/trace/events/netfs.h
> +++ b/include/trace/events/netfs.h
> @@ -22,13 +22,13 @@
>       E_(netfs_read_trace_write_begin,        "WRITEBEGN")
>  
>  #define netfs_rreq_traces                                    \
> -     EM(netfs_rreq_trace_assess,             "ASSESS")       \
> -     EM(netfs_rreq_trace_done,               "DONE  ")       \
> -     EM(netfs_rreq_trace_free,               "FREE  ")       \
> -     EM(netfs_rreq_trace_resubmit,           "RESUBM")       \
> -     EM(netfs_rreq_trace_unlock,             "UNLOCK")       \
> -     EM(netfs_rreq_trace_unmark,             "UNMARK")       \
> -     E_(netfs_rreq_trace_write,              "WRITE ")
> +     EM(netfs_rreq_trace_assess,             "ASSESS ")      \
> +     EM(netfs_rreq_trace_copy,               "COPY   ")      \
> +     EM(netfs_rreq_trace_done,               "DONE   ")      \
> +     EM(netfs_rreq_trace_free,               "FREE   ")      \
> +     EM(netfs_rreq_trace_resubmit,           "RESUBMT")      \
> +     EM(netfs_rreq_trace_unlock,             "UNLOCK ")      \
> +     E_(netfs_rreq_trace_unmark,             "UNMARK ")
>  
>  #define netfs_sreq_sources                                   \
>       EM(NETFS_FILL_WITH_ZEROES,              "ZERO")         \
> @@ -134,7 +134,7 @@ TRACE_EVENT(netfs_rreq,
>  
>           TP_STRUCT__entry(
>                   __field(unsigned int,               rreq            )
> -                 __field(unsigned short,             flags           )
> +                 __field(unsigned int,               flags           )
>                   __field(enum netfs_rreq_trace,      what            )
>                            ),
>  
> @@ -182,8 +182,8 @@ TRACE_EVENT(netfs_sreq,
>  
>           TP_printk("R=%08x[%u] %s %s f=%02x s=%llx %zx/%zx e=%d",
>                     __entry->rreq, __entry->index,
> -                   __print_symbolic(__entry->what, netfs_sreq_traces),
>                     __print_symbolic(__entry->source, netfs_sreq_sources),
> +                   __print_symbolic(__entry->what, netfs_sreq_traces),
>                     __entry->flags,
>                     __entry->start, __entry->transferred, __entry->len,
>                     __entry->error)
> 
> 

Reviewed-by: Jeff Layton <jlay...@kernel.org>

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