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netfs: Adjust the netfs_rreq tracepoint slightly

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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 <dhowells@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
cc: linux-cachefs@redhat.com

Link: https://lore.kernel.org/r/164622996715.3564931.4252319907990358129.stgit@warthog.procyon.org.uk/ # v1
Link: https://lore.kernel.org/r/164678199468.1200972.17275585970238114726.stgit@warthog.procyon.org.uk/ # v2
Link: https://lore.kernel.org/r/164692898684.2099075.12153225958137716567.stgit@warthog.procyon.org.uk/ # v3
This commit is contained in:
David Howells 2022-02-19 23:05:40 +00:00
parent 3a4a38e66d
commit 18b3ff9fe8
2 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/netfs/read_helper.c
View File

@ -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.

18
include/trace/events/netfs.h
View File

@ -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)