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Subject[PATCH v3 04/68] netfs: Display the netfs inode number in the netfs_read tracepoint
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Date
Display the netfs inode number in the netfs_read tracepoint so that this
can be used to correlate with the cachefiles_prep_read tracepoint.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-cachefs@redhat.com
Link: https://lore.kernel.org/r/163819581097.215744.17476611915583897051.stgit@warthog.procyon.org.uk/ # v1
Link: https://lore.kernel.org/r/163906885903.143852.12229407815154182247.stgit@warthog.procyon.org.uk/ # v2
---

include/trace/events/netfs.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/trace/events/netfs.h b/include/trace/events/netfs.h
index 4d470bffd9f1..e6f4ebbb4c69 100644
--- a/include/trace/events/netfs.h
+++ b/include/trace/events/netfs.h
@@ -135,6 +135,7 @@ TRACE_EVENT(netfs_read,
__field(loff_t, start )
__field(size_t, len )
__field(enum netfs_read_trace, what )
+ __field(unsigned int, netfs_inode )
),

TP_fast_assign(
@@ -143,12 +144,14 @@ TRACE_EVENT(netfs_read,
__entry->start = start;
__entry->len = len;
__entry->what = what;
+ __entry->netfs_inode = rreq->inode->i_ino;
),

- TP_printk("R=%08x %s c=%08x s=%llx %zx",
+ TP_printk("R=%08x %s c=%08x ni=%x s=%llx %zx",
__entry->rreq,
__print_symbolic(__entry->what, netfs_read_traces),
__entry->cookie,
+ __entry->netfs_inode,
__entry->start, __entry->len)
);


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