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Registered in England and Wales under Company Registration No. 3798903 Subject: [PATCH v3 09/20] netfs: Adjust the netfs_failure tracepoint to indicate non-subreq lines From: David Howells To: linux-cachefs@redhat.com Cc: Jeff Layton , dhowells@redhat.com, Anna Schumaker , Steve French , Dominique Martinet , Jeff Layton , David Wysochanski , Ilya Dryomov , Jeffle Xu , Linus Torvalds , linux-afs@lists.infradead.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, ceph-devel@vger.kernel.org, v9fs-developer@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Date: Thu, 10 Mar 2022 16:17:12 +0000 Message-ID: <164692903233.2099075.15414355147237641274.stgit@warthog.procyon.org.uk> In-Reply-To: <164692883658.2099075.5745824552116419504.stgit@warthog.procyon.org.uk> References: <164692883658.2099075.5745824552116419504.stgit@warthog.procyon.org.uk> User-Agent: StGit/1.4 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Adjust the netfs_failure tracepoint to indicate a subrequest number of -1 when it's a full-request failure unrelated to any particular subrequest, such as a failure to encrypt its data buffer. Signed-off-by: David Howells Reviewed-by: Jeff Layton cc: linux-cachefs@redhat.com Link: https://lore.kernel.org/r/164623001948.3564931.2353852999649380059.stgit@warthog.procyon.org.uk/ # v1 Link: https://lore.kernel.org/r/164678204587.1200972.14893513018190383961.stgit@warthog.procyon.org.uk/ # v2 --- include/trace/events/netfs.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/include/trace/events/netfs.h b/include/trace/events/netfs.h index dcea5e888fd0..556859b0f107 100644 --- a/include/trace/events/netfs.h +++ b/include/trace/events/netfs.h @@ -222,7 +222,7 @@ TRACE_EVENT(netfs_failure, TP_STRUCT__entry( __field(unsigned int, rreq ) - __field(unsigned short, index ) + __field(short, index ) __field(short, error ) __field(unsigned short, flags ) __field(enum netfs_io_source, source ) @@ -234,17 +234,17 @@ TRACE_EVENT(netfs_failure, TP_fast_assign( __entry->rreq = rreq->debug_id; - __entry->index = sreq ? sreq->debug_index : 0; + __entry->index = sreq ? sreq->debug_index : -1; __entry->error = error; __entry->flags = sreq ? sreq->flags : 0; __entry->source = sreq ? sreq->source : NETFS_INVALID_READ; __entry->what = what; - __entry->len = sreq ? sreq->len : 0; + __entry->len = sreq ? sreq->len : rreq->len; __entry->transferred = sreq ? sreq->transferred : 0; __entry->start = sreq ? sreq->start : 0; ), - TP_printk("R=%08x[%u] %s f=%02x s=%llx %zx/%zx %s e=%d", + TP_printk("R=%08x[%d] %s f=%02x s=%llx %zx/%zx %s e=%d", __entry->rreq, __entry->index, __print_symbolic(__entry->source, netfs_sreq_sources), __entry->flags,