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rxrpc: Show a call's hard-ACK cursors in /proc/net/rxrpc_calls

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Show a call's hard-ACK cursors in /proc/net/rxrpc_calls so that a call's
progress can be more easily monitored.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2017-01-05 10:38:33 +00:00
parent b1d9f7fde0
commit 3e018daf04
1 changed files with 7 additions and 2 deletions
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9
net/rxrpc/proc.c
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@ -52,6 +52,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
struct rxrpc_sock *rx; struct rxrpc_sock *rx;
struct rxrpc_peer *peer; struct rxrpc_peer *peer;
struct rxrpc_call *call; struct rxrpc_call *call;
rxrpc_seq_t tx_hard_ack, rx_hard_ack;
char lbuff[50], rbuff[50]; char lbuff[50], rbuff[50];
if (v == &rxrpc_calls) { if (v == &rxrpc_calls) {
@ -82,9 +83,11 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
else else
strcpy(rbuff, "no_connection"); strcpy(rbuff, "no_connection");
tx_hard_ack = READ_ONCE(call->tx_hard_ack);
rx_hard_ack = READ_ONCE(call->rx_hard_ack);
seq_printf(seq, seq_printf(seq,
"UDP %-47.47s %-47.47s %4x %08x %08x %s %3u" "UDP %-47.47s %-47.47s %4x %08x %08x %s %3u"
" %-8.8s %08x %lx\n", " %-8.8s %08x %lx %08x %02x %08x %02x\n",
lbuff, lbuff,
rbuff, rbuff,
call->service_id, call->service_id,
@ -94,7 +97,9 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
atomic_read(&call->usage), atomic_read(&call->usage),
rxrpc_call_states[call->state], rxrpc_call_states[call->state],
call->abort_code, call->abort_code,
call->user_call_ID); 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);
return 0; return 0;
} }