From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0207C433FF for ; Wed, 7 Aug 2019 10:34:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C4D7E21E6E for ; Wed, 7 Aug 2019 10:34:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565174068; bh=/MlRzhpiMFdpyu3g3tg1PxXGCzxZQlzviI7RQn/UFWw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=xfpWTT82OhlBOrrGoZMibWVSYZFAj7H10CRk6i6oqBzU+jU7rgj6C6sVK/CLoNdL6 knQlBXzlevxn5N01LzLevs2H6Q7kdlLLX2Vryl5l7pL8wrUpzKf+cjNE3WN9ZrRoLC YXdeDHl6XXyE62rNJlS4vdL79aYD2z/lECXv6cFk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726734AbfHGKe2 (ORCPT ); Wed, 7 Aug 2019 06:34:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:41932 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726731AbfHGKe2 (ORCPT ); Wed, 7 Aug 2019 06:34:28 -0400 Received: from localhost (unknown [77.137.115.125]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C954A2086D; Wed, 7 Aug 2019 10:34:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565174067; bh=/MlRzhpiMFdpyu3g3tg1PxXGCzxZQlzviI7RQn/UFWw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RHu5788aRLmW4RXsmwqr0LyGp00VI3qMXLB41Dvha2jNypCoNs/lQv5NL17EfOjxt aS+00lEySI+XoyeO6T6TrX+bdayRtHxOAU7yzwMiEmE1BuAMfaY67fQtZTYg45/JhG YYVBnYTsLIeYripylPkdExkk/QOly0PWputpij7Y= From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: Leon Romanovsky , RDMA mailing list , Erez Alfasi Subject: [PATCH rdma-next 6/6] RDMA/nldev: Provide MR statistics Date: Wed, 7 Aug 2019 13:34:03 +0300 Message-Id: <20190807103403.8102-7-leon@kernel.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190807103403.8102-1-leon@kernel.org> References: <20190807103403.8102-1-leon@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Erez Alfasi Add RDMA nldev netlink interface for dumping MR statistics information. Output example: ereza@dev~$: ./ibv_rc_pingpong -o -P -s 500000000 local address: LID 0x0001, QPN 0x00008a, PSN 0xf81096, GID :: ereza@dev~$: rdma stat show mr dev mlx5_0 mrn 2 page_faults 122071 page_invalidations 0 prefetched_pages 122071 Signed-off-by: Erez Alfasi Signed-off-by: Leon Romanovsky --- drivers/infiniband/core/nldev.c | 51 +++++++++++++++++++++++++++++++-- 1 file changed, 49 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 694ded552687..23a686dbc7cd 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -756,6 +756,47 @@ static int fill_stat_hwcounter_entry(struct sk_buff *msg, return -EMSGSIZE; } +static int fill_stat_mr_entry(struct sk_buff *msg, bool has_cap_net_admin, + struct rdma_restrack_entry *res, uint32_t port) +{ + struct ib_mr *mr = container_of(res, struct ib_mr, res); + struct ib_device *dev = mr->pd->device; + struct ib_umem_odp *umem_odp; + struct nlattr *table_attr; + + if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_MRN, res->id)) + goto err; + + if (fill_res_entry(dev, msg, res)) + goto err; + + if (!mr->umem->is_odp) + return 0; + + umem_odp = to_ib_umem_odp(mr->umem); + table_attr = nla_nest_start(msg, + RDMA_NLDEV_ATTR_STAT_HWCOUNTERS); + + if (!table_attr) + return -EMSGSIZE; + + if (fill_stat_hwcounter_entry(msg, "page_faults", + umem_odp->odp_stats.faults)) + goto err; + if (fill_stat_hwcounter_entry(msg, "page_invalidations", + umem_odp->odp_stats.invalidations)) + goto err; + if (fill_stat_hwcounter_entry(msg, "prefetched_pages", + umem_odp->odp_stats.prefetched)) + goto err; + + nla_nest_end(msg, table_attr); + + return 0; + +err: return -EMSGSIZE; +} + static int fill_stat_counter_hwcounters(struct sk_buff *msg, struct rdma_counter *counter) { @@ -2012,7 +2053,10 @@ static int nldev_stat_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, case RDMA_NLDEV_ATTR_RES_QP: ret = stat_get_doit_qp(skb, nlh, extack, tb); break; - + case RDMA_NLDEV_ATTR_RES_MR: + ret = res_get_common_doit(skb, nlh, extack, RDMA_RESTRACK_MR, + fill_stat_mr_entry); + break; default: ret = -EINVAL; break; @@ -2036,7 +2080,10 @@ static int nldev_stat_get_dumpit(struct sk_buff *skb, case RDMA_NLDEV_ATTR_RES_QP: ret = nldev_res_get_counter_dumpit(skb, cb); break; - + case RDMA_NLDEV_ATTR_RES_MR: + ret = res_get_common_dumpit(skb, cb, RDMA_RESTRACK_MR, + fill_stat_mr_entry); + break; default: ret = -EINVAL; break; -- 2.20.1