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From: Jack Wang <jinpuwang@gmail.com>
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> (raw)
In-Reply-To: <20200116125915.14815-1-jinpuwang@gmail.com>

From: Jack Wang <jinpu.wang@cloud.ionos.com>

This introduces set of functions used on server side to account
statistics of RDMA data sent/received.

Signed-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
---
 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;
+}
-- 
2.17.1


  parent reply index

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-16 12:58 [PATCH v7 00/25] RTRS (former IBTRS) RDMA Transport Library and RNBD (former IBNBD) RDMA Network Block Device Jack Wang
2020-01-16 12:58 ` [PATCH v7 01/25] sysfs: export sysfs_remove_file_self() Jack Wang
2020-01-16 12:58 ` [PATCH v7 02/25] RDMA/rtrs: public interface header to establish RDMA connections Jack Wang
2020-01-16 12:58 ` [PATCH v7 03/25] RDMA/rtrs: private headers with rtrs protocol structs and helpers Jack Wang
2020-01-16 12:58 ` [PATCH v7 04/25] RDMA/rtrs: core: lib functions shared between client and server modules Jack Wang
2020-01-19 14:48   ` Leon Romanovsky
2020-01-20 11:32     ` Jinpu Wang
2020-01-20 13:30       ` Leon Romanovsky
2020-01-20 14:08         ` Jinpu Wang
2020-01-16 12:58 ` [PATCH v7 05/25] RDMA/rtrs: client: private header with client structs and functions Jack Wang
2020-01-16 12:58 ` [PATCH v7 06/25] RDMA/rtrs: client: main functionality Jack Wang
2020-01-16 14:53   ` Leon Romanovsky
2020-01-16 15:43     ` Jinpu Wang
2020-01-16 15:53       ` Jason Gunthorpe
2020-01-16 16:48         ` Jinpu Wang
2020-01-16 15:58       ` Leon Romanovsky
2020-01-16 16:24         ` Jinpu Wang
2020-01-18 10:12           ` Leon Romanovsky
2020-01-20 11:24             ` Jinpu Wang
2020-01-16 12:58 ` [PATCH v7 07/25] RDMA/rtrs: client: statistics functions Jack Wang
2020-01-16 12:58 ` [PATCH v7 08/25] RDMA/rtrs: client: sysfs interface functions Jack Wang
2020-01-16 12:58 ` [PATCH v7 09/25] RDMA/rtrs: server: private header with server structs and functions Jack Wang
2020-01-16 12:59 ` [PATCH v7 10/25] RDMA/rtrs: server: main functionality Jack Wang
2020-01-16 12:59 ` Jack Wang [this message]
2020-01-16 12:59 ` [PATCH v7 12/25] RDMA/rtrs: server: sysfs interface functions Jack Wang
2020-01-16 12:59 ` [PATCH v7 13/25] RDMA/rtrs: include client and server modules into kernel compilation Jack Wang
2020-01-16 12:59 ` [PATCH v7 14/25] RDMA/rtrs: a bit of documentation Jack Wang
2020-01-16 12:59 ` [PATCH v7 15/25] block/rnbd: private headers with rnbd protocol structs and helpers Jack Wang
2020-01-16 12:59 ` [PATCH v7 16/25] block/rnbd: client: private header with client structs and functions Jack Wang
2020-01-16 12:59 ` [PATCH v7 17/25] block/rnbd: client: main functionality Jack Wang
2020-01-20 13:48   ` Leon Romanovsky
2020-01-20 17:30     ` Jinpu Wang
2020-01-22 12:31       ` Leon Romanovsky
2020-01-22 12:52         ` Jinpu Wang
2020-01-22 11:22     ` Jinpu Wang
2020-01-22 12:25       ` Leon Romanovsky
2020-01-22 13:12         ` Jinpu Wang
2020-01-22 14:07           ` Leon Romanovsky
2020-01-22 14:18             ` Jinpu Wang
2020-01-16 12:59 ` [PATCH v7 18/25] block/rnbd: client: sysfs interface functions Jack Wang
2020-01-16 12:59 ` [PATCH v7 19/25] block/rnbd: server: private header with server structs and functions Jack Wang
2020-01-16 12:59 ` [PATCH v7 20/25] block/rnbd: server: main functionality Jack Wang
2020-01-16 12:59 ` [PATCH v7 21/25] block/rnbd: server: functionality for IO submission to file or block dev Jack Wang
2020-01-16 12:59 ` [PATCH v7 22/25] block/rnbd: server: sysfs interface functions Jack Wang
2020-01-16 12:59 ` [PATCH v7 23/25] block/rnbd: include client and server modules into kernel compilation Jack Wang
2020-01-16 14:40   ` Leon Romanovsky
2020-01-16 14:54     ` Jinpu Wang
2020-01-16 15:59       ` Leon Romanovsky
2020-01-16 16:53         ` Jinpu Wang
2020-01-16 12:59 ` [PATCH v7 24/25] block/rnbd: a bit of documentation Jack Wang
2020-01-16 12:59 ` [PATCH v7 25/25] MAINTAINERS: Add maintainers for RNBD/RTRS modules Jack Wang

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