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=-8.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,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 D5D4BC48BE4 for ; Thu, 20 Jun 2019 15:03:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AEDD320673 for ; Thu, 20 Jun 2019 15:03:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YFRaoTBu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732066AbfFTPD4 (ORCPT ); Thu, 20 Jun 2019 11:03:56 -0400 Received: from mail-ed1-f65.google.com ([209.85.208.65]:35448 "EHLO mail-ed1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732025AbfFTPDz (ORCPT ); Thu, 20 Jun 2019 11:03:55 -0400 Received: by mail-ed1-f65.google.com with SMTP id p26so5214730edr.2; Thu, 20 Jun 2019 08:03:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=P/4+WJUF6wFlj/gINxWkXulMUA1zWaeQmx3yasj0RNI=; b=YFRaoTBu1nBvG8aRoO5sV11peZJlnLnA4VQoPKVqiNtAiskIeZUYfpCMbr2iXFteKt PDPPmut4L3B3QYKrGuCLjRFvvuQsXL1farWnhWvBusTOVRlFyNMImsXfb0EYtqXcIMEx pqBT2Vp68a48ItrrZmJO8ivLJY4LABYT9tdOHYgIv6LEJwKiNIkfMOWjJuP4TvXZkZWS xPaklmRVzAKkJ0xJjsyUjMD70JH/B+FQlq/StYIRo3CHaMzkDWa0+cpswnZNF8r8RtpY LVywdA/KpuduXTipXNejHgKhCacTH/QEYWBuOpOQkozYHBOu4yQz+Ya27iiN2O0g85m+ 2C5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=P/4+WJUF6wFlj/gINxWkXulMUA1zWaeQmx3yasj0RNI=; b=GLS6mA3M7aGquR7gFn2WoNw9WDJhc0d4yQeOLmb4aaedoSHeonSXnEdPcsbu6N1iNM hpMqINHCaSEzbjQANuEMcmAzg8FocXdl3e36+0af7XJssOZckrIWCitKOQJWzcho9YGo L5dyZoz6Mu/fvlcQpD3HR5TmjPEH5hFOFJmSLhj6S3cDv4tc0sCa45OQEHXK4Tfm6gYy MP6cyIng0EJ9nPCy2PyRE5eRCVWhkhhyEm2Ydtc3N7uNEvjXi8+K8BiqC0pg3WGM113e aJ9L1oHMCOGYx9GJJFhozmejZUvlDf6/XgsJp+HK9iJOrlUYJtEwEQU3gM6sr1dc1dNk UHpg== X-Gm-Message-State: APjAAAWyVSeZHohFDhJXGiotBsnCpOGvT79GLw8A3LJfz0CqwfbN6Ri+ EVP2iZK2AN/6C67UvJXKS9vJ3Gd7sug= X-Google-Smtp-Source: APXvYqw5ZWmxL0IjWStvi2NnoJhhAfW/5yzmqLWcrCXTczkyw5tr9D8SjNMV/tm3xicR2RXJggGtpw== X-Received: by 2002:a17:906:d549:: with SMTP id gk9mr94798483ejb.268.1561043033168; Thu, 20 Jun 2019 08:03:53 -0700 (PDT) Received: from jwang-Latitude-5491.pb.local ([62.217.45.26]) by smtp.gmail.com with ESMTPSA id a20sm3855817ejj.21.2019.06.20.08.03.52 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 20 Jun 2019 08:03:52 -0700 (PDT) From: Jack Wang To: linux-block@vger.kernel.org, linux-rdma@vger.kernel.org Cc: axboe@kernel.dk, hch@infradead.org, sagi@grimberg.me, bvanassche@acm.org, jgg@mellanox.com, dledford@redhat.com, danil.kipnis@cloud.ionos.com, rpenyaev@suse.de, Roman Pen , Jack Wang Subject: [PATCH v4 11/25] ibtrs: server: statistics functions Date: Thu, 20 Jun 2019 17:03:23 +0200 Message-Id: <20190620150337.7847-12-jinpuwang@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190620150337.7847-1-jinpuwang@gmail.com> References: <20190620150337.7847-1-jinpuwang@gmail.com> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org From: Roman Pen This introduces set of functions used on server side to account statistics of RDMA data sent/received. Signed-off-by: Danil Kipnis Signed-off-by: Jack Wang --- .../infiniband/ulp/ibtrs/ibtrs-srv-stats.c | 103 ++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 drivers/infiniband/ulp/ibtrs/ibtrs-srv-stats.c diff --git a/drivers/infiniband/ulp/ibtrs/ibtrs-srv-stats.c b/drivers/infiniband/ulp/ibtrs/ibtrs-srv-stats.c new file mode 100644 index 000000000000..47f8d6d2d88d --- /dev/null +++ b/drivers/infiniband/ulp/ibtrs/ibtrs-srv-stats.c @@ -0,0 +1,103 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * InfiniBand Transport Layer + * + * Copyright (c) 2014 - 2017 ProfitBricks GmbH. All rights reserved. + * Authors: Fabian Holler + * Jack Wang + * Kleber Souza + * Danil Kipnis + * Roman Penyaev + * Milind Dumbare + * + * Copyright (c) 2017 - 2018 ProfitBricks GmbH. All rights reserved. + * Authors: Danil Kipnis + * Roman Penyaev + * + * Copyright (c) 2018 - 2019 1&1 IONOS Cloud GmbH. All rights reserved. + * Authors: Roman Penyaev + * Jack Wang + * Danil Kipnis + */ + +#undef pr_fmt +#define pr_fmt(fmt) KBUILD_MODNAME " L" __stringify(__LINE__) ": " fmt + +#include "ibtrs-srv.h" + +void ibtrs_srv_update_rdma_stats(struct ibtrs_srv_stats *s, + size_t size, int d) +{ + atomic64_inc(&s->rdma_stats.dir[d].cnt); + atomic64_add(size, &s->rdma_stats.dir[d].size_total); +} + +void ibtrs_srv_update_wc_stats(struct ibtrs_srv_stats *s) +{ + atomic64_inc(&s->wc_comp.calls); + atomic64_inc(&s->wc_comp.total_wc_cnt); +} + +int ibtrs_srv_reset_rdma_stats(struct ibtrs_srv_stats *stats, bool enable) +{ + if (enable) { + struct ibtrs_srv_stats_rdma_stats *r = &stats->rdma_stats; + + memset(r, 0, sizeof(*r)); + return 0; + } + + return -EINVAL; +} + +ssize_t ibtrs_srv_stats_rdma_to_str(struct ibtrs_srv_stats *stats, + char *page, size_t len) +{ + struct ibtrs_srv_stats_rdma_stats *r = &stats->rdma_stats; + struct ibtrs_srv_sess *sess; + + sess = container_of(stats, typeof(*sess), stats); + + return scnprintf(page, len, "%lld %lld %lld %lld %u\n", + (s64)atomic64_read(&r->dir[READ].cnt), + (s64)atomic64_read(&r->dir[READ].size_total), + (s64)atomic64_read(&r->dir[WRITE].cnt), + (s64)atomic64_read(&r->dir[WRITE].size_total), + atomic_read(&sess->ids_inflight)); +} + +int ibtrs_srv_reset_wc_completion_stats(struct ibtrs_srv_stats *stats, + bool enable) +{ + if (enable) { + memset(&stats->wc_comp, 0, sizeof(stats->wc_comp)); + return 0; + } + + return -EINVAL; +} + +int ibtrs_srv_stats_wc_completion_to_str(struct ibtrs_srv_stats *stats, + char *buf, size_t len) +{ + return snprintf(buf, len, "%lld %lld\n", + (s64)atomic64_read(&stats->wc_comp.total_wc_cnt), + (s64)atomic64_read(&stats->wc_comp.calls)); +} + +ssize_t ibtrs_srv_reset_all_help(struct ibtrs_srv_stats *stats, + char *page, size_t len) +{ + return scnprintf(page, PAGE_SIZE, "echo 1 to reset all statistics\n"); +} + +int ibtrs_srv_reset_all_stats(struct ibtrs_srv_stats *stats, bool enable) +{ + if (enable) { + ibtrs_srv_reset_wc_completion_stats(stats, enable); + ibtrs_srv_reset_rdma_stats(stats, enable); + return 0; + } + + return -EINVAL; +} -- 2.17.1