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| author | David Howells <dhowells@redhat.com> | 2018-07-23 17:18:36 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2018-08-01 13:28:23 +0100 |
| commit | 887763bbc34112f4126ec52d16072ba736c83a6f (patch) | |
| tree | 5d89b607d7a28d22cff4c5cb3a520cdb645cfbb7 /net/rxrpc/proc.c | |
| parent | f597a5792ada511e3c69ecf7201fc178c574d822 (diff) | |
| download | lwn-887763bbc34112f4126ec52d16072ba736c83a6f.tar.gz lwn-887763bbc34112f4126ec52d16072ba736c83a6f.zip | |
rxrpc: Display call expect-receive-by timeout in proc
Display in /proc/net/rxrpc/calls the timeout by which a call next expects
to receive a packet.
This makes it easier to debug timeout issues.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net/rxrpc/proc.c')
| -rw-r--r-- | net/rxrpc/proc.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c index d9fca8c4bcdc..bc6f27c8869d 100644 --- a/net/rxrpc/proc.c +++ b/net/rxrpc/proc.c @@ -63,6 +63,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v) struct rxrpc_peer *peer; struct rxrpc_call *call; struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq)); + unsigned long timeout = 0, nowj; rxrpc_seq_t tx_hard_ack, rx_hard_ack; char lbuff[50], rbuff[50]; @@ -71,7 +72,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v) "Proto Local " " Remote " " SvID ConnID CallID End Use State Abort " - " UserID\n"); + " UserID TxSeq TW RxSeq RW RxTimo\n"); return 0; } @@ -94,11 +95,17 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v) else strcpy(rbuff, "no_connection"); + if (call->state != RXRPC_CALL_SERVER_PREALLOC) { + timeout = READ_ONCE(call->expect_rx_by); + nowj = jiffies; + timeout -= jiffies; + } + tx_hard_ack = READ_ONCE(call->tx_hard_ack); rx_hard_ack = READ_ONCE(call->rx_hard_ack); seq_printf(seq, "UDP %-47.47s %-47.47s %4x %08x %08x %s %3u" - " %-8.8s %08x %lx %08x %02x %08x %02x\n", + " %-8.8s %08x %lx %08x %02x %08x %02x %06lx\n", lbuff, rbuff, call->service_id, @@ -110,7 +117,8 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v) call->abort_code, call->user_call_ID, tx_hard_ack, READ_ONCE(call->tx_top) - tx_hard_ack, - rx_hard_ack, READ_ONCE(call->rx_top) - rx_hard_ack); + rx_hard_ack, READ_ONCE(call->rx_top) - rx_hard_ack, + timeout); return 0; } |