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authorDavid Howells <dhowells@redhat.com>2022-02-25 19:24:03 +0300
committerDavid Howells <dhowells@redhat.com>2022-03-18 12:24:00 +0300
commit5c88705e2aeaee5521b8586e68bef47aab359914 (patch)
treea0a39bce0078f3f34a863b661980af57d9392664 /include/trace
parent6cd3d6fd1fe2feae5ff9f6a821081569bb140bf4 (diff)
downloadlinux-5c88705e2aeaee5521b8586e68bef47aab359914.tar.xz
netfs: Adjust the netfs_failure tracepoint to indicate non-subreq lines
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 <dhowells@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> 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 Link: https://lore.kernel.org/r/164692903233.2099075.15414355147237641274.stgit@warthog.procyon.org.uk/ # v3
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/netfs.h8
1 files 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,