diff options
| author | David Howells <dhowells@redhat.com> | 2022-05-11 14:01:25 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2022-11-08 16:42:15 +0000 |
| commit | f2a676d10038e8f3913dc576397b9c9efb190afd (patch) | |
| tree | d67be5a8fe07204a50b9918461a65a8645be563c /net/rxrpc/output.c | |
| parent | b015424695f03a9fa5862d09c267ed458e256300 (diff) | |
| download | lwn-f2a676d10038e8f3913dc576397b9c9efb190afd.tar.gz lwn-f2a676d10038e8f3913dc576397b9c9efb190afd.zip | |
rxrpc: Record statistics about ACK types
Record statistics about the different types of ACKs that have been
transmitted and received and the number of ACKs that have been filled out
and transmitted or that have been skipped.
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/output.c')
| -rw-r--r-- | net/rxrpc/output.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c index 8fddad2f63fc..f350d39e3a60 100644 --- a/net/rxrpc/output.c +++ b/net/rxrpc/output.c @@ -83,8 +83,12 @@ static size_t rxrpc_fill_out_ack(struct rxrpc_connection *conn, tmp = atomic_xchg(&call->ackr_nr_unacked, 0); tmp |= atomic_xchg(&call->ackr_nr_consumed, 0); if (!tmp && (reason == RXRPC_ACK_DELAY || - reason == RXRPC_ACK_IDLE)) + reason == RXRPC_ACK_IDLE)) { + rxrpc_inc_stat(call->rxnet, stat_tx_ack_skip); return 0; + } + + rxrpc_inc_stat(call->rxnet, stat_tx_ack_fill); /* Barrier against rxrpc_input_data(). */ serial = call->ackr_serial; @@ -253,6 +257,7 @@ int rxrpc_send_ack_packet(struct rxrpc_call *call, bool ping, if (ping) rtt_slot = rxrpc_begin_rtt_probe(call, serial, rxrpc_rtt_tx_ping); + rxrpc_inc_stat(call->rxnet, stat_tx_ack_send); ret = kernel_sendmsg(conn->params.local->socket, &msg, iov, 2, len); conn->params.peer->last_tx_at = ktime_get_seconds(); if (ret < 0) |