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| 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 | b015424695f03a9fa5862d09c267ed458e256300 (patch) | |
| tree | 5a9dfc7aaf5028ea5639bac6a58999b562cf17da /net/rxrpc/ar-internal.h | |
| parent | 589a0c1e0ac31ccba49b214762e444dc015ee1e2 (diff) | |
| download | lwn-b015424695f03a9fa5862d09c267ed458e256300.tar.gz lwn-b015424695f03a9fa5862d09c267ed458e256300.zip | |
rxrpc: Add stats procfile and DATA packet stats
Add a procfile, /proc/net/rxrpc/stats, to display some statistics about
what rxrpc has been doing. Writing a blank line to the stats file will
clear the increment-only counters. Allocated resource counters don't get
cleared.
Add some counters to count various things about DATA packets, including the
number created, transmitted and retransmitted and the number received, the
number of ACK-requests markings and the number of jumbo packets received.
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/ar-internal.h')
| -rw-r--r-- | net/rxrpc/ar-internal.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index 6c93a2fa9628..ed406a5f939b 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -93,6 +93,14 @@ struct rxrpc_net { struct list_head peer_keepalive_new; struct timer_list peer_keepalive_timer; struct work_struct peer_keepalive_work; + + atomic_t stat_tx_data; + atomic_t stat_tx_data_retrans; + atomic_t stat_tx_data_send; + atomic_t stat_tx_data_send_frag; + atomic_t stat_rx_data; + atomic_t stat_rx_data_reqack; + atomic_t stat_rx_data_jumbo; }; /* @@ -1093,6 +1101,15 @@ void rxrpc_free_skb(struct sk_buff *, enum rxrpc_skb_trace); void rxrpc_purge_queue(struct sk_buff_head *); /* + * stats.c + */ +int rxrpc_stats_show(struct seq_file *seq, void *v); +int rxrpc_stats_clear(struct file *file, char *buf, size_t size); + +#define rxrpc_inc_stat(rxnet, s) atomic_inc(&(rxnet)->s) +#define rxrpc_dec_stat(rxnet, s) atomic_dec(&(rxnet)->s) + +/* * sysctl.c */ #ifdef CONFIG_SYSCTL |