From 192a798f52998a643cef84fce0204be56666b0bf Mon Sep 17 00:00:00 2001 From: Venkat Venkatsubra Date: Sat, 9 Jul 2016 17:36:20 -0700 Subject: [PATCH] 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 Signed-off-by: Santosh Shilimkar --- net/rds/rds.h | 3 +++ net/rds/recv.c | 4 ++++ 2 files changed, 7 insertions(+) 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 " -- 2.20.1