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Commit 887763bb authored by David Howells's avatar David Howells
Browse files

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: default avatarDavid Howells <dhowells@redhat.com>
parent f597a579

net/rxrpc/proc.c

+11 −3
Original line number Diff line number Diff line
@@ -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;

}