Commit 192a798f authored by Venkat Venkatsubra's avatar Venkat Venkatsubra Committed by Santosh Shilimkar
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RDS: add stat for socket recv memory usage 



Tracks the receive side memory added to scokets and removed from sockets.

Signed-off-by: default avatarVenkat Venkatsubra <venkat.x.venkatsubra@oracle.com>
Signed-off-by: default avatarSantosh Shilimkar <santosh.shilimkar@oracle.com>
parent cf657269

net/rds/rds.h

+3 −0
Original line number Diff line number Diff line
@@ -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 */

net/rds/recv.c

+4 −0
Original line number Diff line number Diff line
@@ -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 "