Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752435AbcLEHBF (ORCPT ); Mon, 5 Dec 2016 02:01:05 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:29322 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751702AbcLEG6P (ORCPT ); Mon, 5 Dec 2016 01:58:15 -0500 From: Santosh Shilimkar To: netdev@vger.kernel.org, davem@davemloft.net Cc: linux-kernel@vger.kernel.org, Santosh Shilimkar Subject: [net-next][PATCH 15/18] RDS: add stat for socket recv memory usage Date: Sun, 4 Dec 2016 22:57:50 -0800 Message-Id: <1480921073-9140-16-git-send-email-santosh.shilimkar@oracle.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1480921073-9140-1-git-send-email-santosh.shilimkar@oracle.com> References: <1480921073-9140-1-git-send-email-santosh.shilimkar@oracle.com> X-Source-IP: aserv0022.oracle.com [141.146.126.234] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1227 Lines: 42 From: Venkat Venkatsubra 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 0bb8213..8ccd5a9 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 9d0666e..ba19eee 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 " -- 1.9.1