From patchwork Thu Jan 16 12:59:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinpu Wang X-Patchwork-Id: 11336759 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 761091820 for ; Thu, 16 Jan 2020 12:59:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 53C022075B for ; Thu, 16 Jan 2020 12:59:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="VL25Yhch" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727015AbgAPM7g (ORCPT ); Thu, 16 Jan 2020 07:59:36 -0500 Received: from mail-ed1-f66.google.com ([209.85.208.66]:43021 "EHLO mail-ed1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727008AbgAPM7f (ORCPT ); Thu, 16 Jan 2020 07:59:35 -0500 Received: by mail-ed1-f66.google.com with SMTP id dc19so18818811edb.10; Thu, 16 Jan 2020 04:59:33 -0800 (PST) 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=YVjQi3swTQZaHX7BvuhI5SPAK3nHmXGIgLpzhc0EkUk=; b=VL25YhchKdS5equNQjq4rKmEvAV5GfcaCroUhozWbQwSPgyANwgLFjxxNtJaYwlf+P 28XcUO+Bey6tuxFaBemiZRMk+R15I6ZEFWDmRfEGLcBDS6PlEqDPLRkYWt0b7vFEqPT9 Ejy6wcApKwarQuJwcky8Qc/2nWylhOhcfwNE6BH08xLRsQj6sWQBX/MKSdqfCvNrjVQc SGOw3AHLs9a6NqCxLEEYRZhrf9+/2KUkfWQODaWxhbOE7szdKmhJH9h95VQCNrJHPzvY ec7l+pi9gZhBs6mowP1ixJnwBr8/6Z0ICT6myJaTg+elGgeV3SY6WMD5eiK0BLfBcjDE hDdA== 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=YVjQi3swTQZaHX7BvuhI5SPAK3nHmXGIgLpzhc0EkUk=; b=A+vINW4hrUdmIHJVlTxwg4Mh2jz8HwF8v78jFLeOonmHM7/HNOfquElNOn98qunHcO GC3QTaKWRgwuAGdjB2SvY+bCyc8ZLJmW4Omg6+5sFU2kCvcGN+6ZT8X5NqLFlapFyfKY KeBuBHFzwrvgMCk5jypYkaqqSomM18ag8Kqq4VcciRv7CReCJx13phCYOv6LCb7boxEB iSMzq2LG11+Z3Q6ic20x4f1Psa1Ty8rYtS0jvIOU5BgbOoAKiTrqgt3ppVlgMcXbcTTZ ehvTK+exaehhJfGm424eMyETOAUjGubfjdeMzwOpSpK1BqVg5YEYEmKBJZJR/59xh7hA UTBQ== X-Gm-Message-State: APjAAAU+kXizW3vEKfC3aKAiSMl3QDCUC7mr3rgIydmxOaLkz/bDSxo5 taohY2WslqRpO4CF1HOKMLoJzhRt X-Google-Smtp-Source: APXvYqxbhgTGe8D334gbcN9p6qHRxOEF9CaIY7GdoXdKFvFqM3vCa68+lmnvR+VOtUGo+XcaZRawhQ== X-Received: by 2002:a17:906:52d7:: with SMTP id w23mr2780770ejn.74.1579179572522; Thu, 16 Jan 2020 04:59:32 -0800 (PST) Received: from jwang-Latitude-5491.fritz.box ([2001:16b8:4956:1800:d464:b0ea:3ef4:abbb]) by smtp.gmail.com with ESMTPSA id b13sm697289ejl.5.2020.01.16.04.59.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Jan 2020 04:59:32 -0800 (PST) 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, leon@kernel.org, dledford@redhat.com, jgg@ziepe.ca, danil.kipnis@cloud.ionos.com, jinpu.wang@cloud.ionos.com, rpenyaev@suse.de Subject: [PATCH v7 11/25] RDMA/rtrs: server: statistics functions Date: Thu, 16 Jan 2020 13:59:01 +0100 Message-Id: <20200116125915.14815-12-jinpuwang@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200116125915.14815-1-jinpuwang@gmail.com> References: <20200116125915.14815-1-jinpuwang@gmail.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Jack Wang 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 --- drivers/infiniband/ulp/rtrs/rtrs-srv-stats.c | 91 ++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 drivers/infiniband/ulp/rtrs/rtrs-srv-stats.c diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv-stats.c b/drivers/infiniband/ulp/rtrs/rtrs-srv-stats.c new file mode 100644 index 000000000000..fe00c55719d6 --- /dev/null +++ b/drivers/infiniband/ulp/rtrs/rtrs-srv-stats.c @@ -0,0 +1,91 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * RDMA Transport Layer + * + * Copyright (c) 2014 - 2018 ProfitBricks GmbH. All rights reserved. + * + * Copyright (c) 2018 - 2019 1&1 IONOS Cloud GmbH. All rights reserved. + * + * Copyright (c) 2019 - 2020 1&1 IONOS SE. All rights reserved. + */ +#undef pr_fmt +#define pr_fmt(fmt) KBUILD_MODNAME " L" __stringify(__LINE__) ": " fmt + +#include "rtrs-srv.h" + +void rtrs_srv_update_rdma_stats(struct rtrs_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 rtrs_srv_update_wc_stats(struct rtrs_srv_stats *s) +{ + atomic64_inc(&s->wc_comp.calls); + atomic64_inc(&s->wc_comp.total_wc_cnt); +} + +int rtrs_srv_reset_rdma_stats(struct rtrs_srv_stats *stats, bool enable) +{ + if (enable) { + struct rtrs_srv_stats_rdma_stats *r = &stats->rdma_stats; + + memset(r, 0, sizeof(*r)); + return 0; + } + + return -EINVAL; +} + +ssize_t rtrs_srv_stats_rdma_to_str(struct rtrs_srv_stats *stats, + char *page, size_t len) +{ + struct rtrs_srv_stats_rdma_stats *r = &stats->rdma_stats; + struct rtrs_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 rtrs_srv_reset_wc_completion_stats(struct rtrs_srv_stats *stats, + bool enable) +{ + if (enable) { + memset(&stats->wc_comp, 0, sizeof(stats->wc_comp)); + return 0; + } + + return -EINVAL; +} + +int rtrs_srv_stats_wc_completion_to_str(struct rtrs_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 rtrs_srv_reset_all_help(struct rtrs_srv_stats *stats, + char *page, size_t len) +{ + return scnprintf(page, PAGE_SIZE, "echo 1 to reset all statistics\n"); +} + +int rtrs_srv_reset_all_stats(struct rtrs_srv_stats *stats, bool enable) +{ + if (enable) { + rtrs_srv_reset_wc_completion_stats(stats, enable); + rtrs_srv_reset_rdma_stats(stats, enable); + return 0; + } + + return -EINVAL; +}