summaryrefslogtreecommitdiff
path: root/net/rxrpc/proc.c
diff options
context:
space:
mode:
authorDavid Howells <dhowells@redhat.com>2022-08-18 11:52:36 +0100
committerDavid Howells <dhowells@redhat.com>2022-11-08 16:42:15 +0000
commitf7fa52421f76309c574f2575701660bc3ea3a705 (patch)
tree871000516269ad154b7693453203fe970b58dd05 /net/rxrpc/proc.c
parentf2a676d10038e8f3913dc576397b9c9efb190afd (diff)
rxrpc: Record stats for why the REQUEST-ACK flag is being set
Record stats for why the REQUEST-ACK flag is being set. Signed-off-by: David Howells <dhowells@redhat.com> cc: Marc Dionne <marc.dionne@auristor.com> cc: linux-afs@lists.infradead.org
Diffstat (limited to 'net/rxrpc/proc.c')
-rw-r--r--net/rxrpc/proc.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c
index 488c403f1d33..9bd357f39c39 100644
--- a/net/rxrpc/proc.c
+++ b/net/rxrpc/proc.c
@@ -446,6 +446,18 @@ int rxrpc_stats_show(struct seq_file *seq, void *v)
atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_DELAY]),
atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_IDLE]));
seq_printf(seq,
+ "Why-Req-A: acklost=%u already=%u mrtt=%u ortt=%u\n",
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_ack_lost]),
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_already_on]),
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_more_rtt]),
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_old_rtt]));
+ seq_printf(seq,
+ "Why-Req-A: nolast=%u retx=%u slows=%u smtxw=%u\n",
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_no_srv_last]),
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_retrans]),
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_slow_start]),
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_small_txwin]));
+ seq_printf(seq,
"Buffers : txb=%u rxb=%u\n",
atomic_read(&rxrpc_n_tx_skbs),
atomic_read(&rxrpc_n_rx_skbs));
@@ -476,5 +488,7 @@ int rxrpc_stats_clear(struct file *file, char *buf, size_t size)
atomic_set(&rxnet->stat_tx_ack_skip, 0);
memset(&rxnet->stat_tx_acks, 0, sizeof(rxnet->stat_tx_acks));
memset(&rxnet->stat_rx_acks, 0, sizeof(rxnet->stat_rx_acks));
+
+ memset(&rxnet->stat_why_req_ack, 0, sizeof(rxnet->stat_why_req_ack));
return size;
}