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| author | Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> | 2016-07-10 03:36:20 +0300 |
|---|---|---|
| committer | Santosh Shilimkar <santosh.shilimkar@oracle.com> | 2017-01-03 01:02:56 +0300 |
| commit | 192a798f52998a643cef84fce0204be56666b0bf (patch) | |
| tree | a4db3cb8d4d45ea005c06bbb8e6298e3fa03faba | |
| parent | cf657269d311d575eb196c7045579b3443631b8b (diff) | |
| download | linux-192a798f52998a643cef84fce0204be56666b0bf.tar.xz | |
RDS: add stat for socket recv memory usage
Tracks the receive side memory added to scokets and removed from sockets.
Signed-off-by: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
| -rw-r--r-- | net/rds/rds.h | 3 | ||||
| -rw-r--r-- | net/rds/recv.c | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/net/rds/rds.h b/net/rds/rds.h index 0bb8213c7d0b..8ccd5a93e56c 100644 --- a/net/rds/rds.h +++ b/net/rds/rds.h @@ -631,6 +631,9 @@ struct rds_statistics { uint64_t s_cong_update_received; uint64_t s_cong_send_error; uint64_t s_cong_send_blocked; + uint64_t s_recv_bytes_added_to_socket; + uint64_t s_recv_bytes_removed_from_socket; + }; /* af_rds.c */ diff --git a/net/rds/recv.c b/net/rds/recv.c index 9d0666e5fe35..ba19eeeae85a 100644 --- a/net/rds/recv.c +++ b/net/rds/recv.c @@ -94,6 +94,10 @@ static void rds_recv_rcvbuf_delta(struct rds_sock *rs, struct sock *sk, return; rs->rs_rcv_bytes += delta; + if (delta > 0) + rds_stats_add(s_recv_bytes_added_to_socket, delta); + else + rds_stats_add(s_recv_bytes_removed_from_socket, -delta); now_congested = rs->rs_rcv_bytes > rds_sk_rcvbuf(rs); rdsdebug("rs %p (%pI4:%u) recv bytes %d buf %d " |