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Groups > linux.kernel > #1552016
| From | David Howells <dhowells@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH net-next 3/3] rxrpc: Show a call's hard-ACK cursors in /proc/net/rxrpc_calls |
| Date | 2017-01-05 15:40 +0100 |
| Message-ID | <sWhmW-4hV-13@gated-at.bofh.it> (permalink) |
| References | <sWhmV-4hV-7@gated-at.bofh.it> |
| Organization | Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 |
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>
---
net/rxrpc/proc.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c
index 65cd980767fa..b9bcfbfb095c 100644
--- a/net/rxrpc/proc.c
+++ b/net/rxrpc/proc.c
@@ -52,6 +52,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
struct rxrpc_sock *rx;
struct rxrpc_peer *peer;
struct rxrpc_call *call;
+ rxrpc_seq_t tx_hard_ack, rx_hard_ack;
char lbuff[50], rbuff[50];
if (v == &rxrpc_calls) {
@@ -82,9 +83,11 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
else
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,
"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,
rbuff,
call->service_id,
@@ -94,7 +97,9 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
atomic_read(&call->usage),
rxrpc_call_states[call->state],
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;
}
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[PATCH net-next 3/3] rxrpc: Show a call's hard-ACK cursors in /proc/net/rxrpc_calls David Howells <dhowells@redhat.com> - 2017-01-05 15:40 +0100
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