From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Cc: Stephen Hemminger <stephen@networkplumber.org>,
Thomas Monjalon <thomas@monjalon.net>,
Ferruh Yigit <ferruh.yigit@amd.com>,
Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Subject: [PATCH v10 2/8] ethdev: add common counters for statistics
Date: Wed, 22 May 2024 09:12:26 -0700 [thread overview]
Message-ID: <20240522161427.64568-3-stephen@networkplumber.org> (raw)
In-Reply-To: <20240522161427.64568-1-stephen@networkplumber.org>
Introduce common helper routines for keeping track of per-queue
statistics in SW PMD's. The code in several drivers had
copy/pasted the same code for this, but had common issues
with 64 bit counters on 32 bit platforms.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
lib/ethdev/ethdev_swstats.c | 102 +++++++++++++++++++++++++++++++
lib/ethdev/ethdev_swstats.h | 117 ++++++++++++++++++++++++++++++++++++
lib/ethdev/meson.build | 2 +
lib/ethdev/version.map | 3 +
4 files changed, 224 insertions(+)
create mode 100644 lib/ethdev/ethdev_swstats.c
create mode 100644 lib/ethdev/ethdev_swstats.h
diff --git a/lib/ethdev/ethdev_swstats.c b/lib/ethdev/ethdev_swstats.c
new file mode 100644
index 0000000000..e5560d2310
--- /dev/null
+++ b/lib/ethdev/ethdev_swstats.c
@@ -0,0 +1,102 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) Stephen Hemminger <stephen@networkplumber.org>
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include <rte_config.h>
+#include <rte_counter.h>
+#include <rte_ethdev.h>
+
+#include "ethdev_driver.h"
+#include "ethdev_swstats.h"
+
+int
+rte_eth_counters_stats_get(const struct rte_eth_dev *dev,
+ size_t tx_offset, size_t rx_offset,
+ struct rte_eth_stats *stats)
+{
+ uint64_t packets, bytes, errors;
+ unsigned int i;
+
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ const void *txq = dev->data->tx_queues[i];
+ const struct rte_eth_counters *counters;
+
+ if (txq == NULL)
+ continue;
+
+ counters = (const struct rte_eth_counters *)((const char *)txq + tx_offset);
+ packets = rte_counter64_read(&counters->packets);
+ bytes = rte_counter64_read(&counters->bytes);
+ errors = rte_counter64_read(&counters->errors);
+
+ stats->opackets += packets;
+ stats->obytes += bytes;
+ stats->oerrors += errors;
+
+ if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
+ stats->q_opackets[i] = packets;
+ stats->q_obytes[i] = bytes;
+ }
+ }
+
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ const void *rxq = dev->data->rx_queues[i];
+ const struct rte_eth_counters *counters;
+
+ if (rxq == NULL)
+ continue;
+
+ counters = (const struct rte_eth_counters *)((const char *)rxq + rx_offset);
+ packets = rte_counter64_read(&counters->packets);
+ bytes = rte_counter64_read(&counters->bytes);
+ errors = rte_counter64_read(&counters->errors);
+
+ stats->ipackets += packets;
+ stats->ibytes += bytes;
+ stats->ierrors += errors;
+
+ if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
+ stats->q_ipackets[i] = packets;
+ stats->q_ibytes[i] = bytes;
+ }
+ }
+
+ stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
+ return 0;
+}
+
+int
+rte_eth_counters_reset(struct rte_eth_dev *dev, size_t tx_offset, size_t rx_offset)
+{
+ struct rte_eth_counters *counters;
+ unsigned int i;
+
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ void *txq = dev->data->tx_queues[i];
+
+ if (txq == NULL)
+ continue;
+
+ counters = (struct rte_eth_counters *)((char *)txq + tx_offset);
+ rte_counter64_reset(&counters->packets);
+ rte_counter64_reset(&counters->bytes);
+ rte_counter64_reset(&counters->errors);
+ }
+
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ void *rxq = dev->data->rx_queues[i];
+
+ if (rxq == NULL)
+ continue;
+
+ counters = (struct rte_eth_counters *)((char *)rxq + rx_offset);
+ rte_counter64_reset(&counters->packets);
+ rte_counter64_reset(&counters->bytes);
+ rte_counter64_reset(&counters->errors);
+ }
+
+ return 0;
+}
diff --git a/lib/ethdev/ethdev_swstats.h b/lib/ethdev/ethdev_swstats.h
new file mode 100644
index 0000000000..c149b7697e
--- /dev/null
+++ b/lib/ethdev/ethdev_swstats.h
@@ -0,0 +1,117 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) Stephen Hemminger <stephen@networkplumber.org>
+ */
+
+#ifndef _RTE_ETHDEV_SWSTATS_H_
+#define _RTE_ETHDEV_SWSTATS_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @file
+ *
+ * Internal statistics counters for software based devices.
+ * Hardware PMD's should use the hardware counters instead.
+ *
+ * This provides a library for PMD's to keep track of packets and bytes.
+ * It is assumed that this will be used per queue and queues are not
+ * shared by lcores.
+ */
+#include <stddef.h>
+#include <stdint.h>
+
+#include <rte_compat.h>
+#include <rte_counter.h>
+
+struct rte_eth_dev;
+struct rte_eth_stats;
+
+/**
+ * A structure to be embedded in the device driver per-queue data.
+ */
+struct rte_eth_counters {
+ rte_counter64_t packets; /**< Total number of packets. */
+ rte_counter64_t bytes; /**< Total number of bytes. */
+ rte_counter64_t errors; /**< Total number of packets with errors. */
+};
+
+/**
+ * @internal
+ * Increment counters for a single packet.
+ *
+ * @param counters
+ * Pointer to queue structure containing counters.
+ * @param packets
+ * Number of packets to count
+ * @param bytes
+ * Total size of all packet in bytes.
+ */
+__rte_internal
+static inline void
+rte_eth_count_packets(struct rte_eth_counters *counters,
+ uint16_t packets, uint32_t bytes)
+{
+ rte_counter64_add(&counters->packets, packets);
+ rte_counter64_add(&counters->bytes, bytes);
+}
+
+/**
+ * @internal
+ * Increment error counter.
+ *
+ * @param counters
+ * Pointer to queue structure containing counters.
+ */
+__rte_internal
+static inline void
+rte_eth_count_error(struct rte_eth_counters *counters)
+{
+ rte_counter64_add(&counters->errors, 1);
+}
+
+/**
+ * @internal
+ * Retrieve the general statistics for all queues.
+ * @see rte_eth_stats_get.
+ *
+ * @param dev
+ * Pointer to the Ethernet device structure.
+ * @param tx_offset
+ * Offset from the tx_queue structure where stats are located.
+ * @param rx_offset
+ * Offset from the rx_queue structure where stats are located.
+ * @param stats
+ * A pointer to a structure of type *rte_eth_stats* to be filled
+ * @return
+ * Zero if successful. Non-zero otherwise.
+ */
+__rte_internal
+int rte_eth_counters_stats_get(const struct rte_eth_dev *dev,
+ size_t tx_offset, size_t rx_offset,
+ struct rte_eth_stats *stats);
+
+/**
+ * @internal
+ * Reset the statistics for all queues.
+ * @see rte_eth_stats_reset.
+ *
+ * @param dev
+ * Pointer to the Ethernet device structure.
+ * @param tx_offset
+ * Offset from the tx_queue structure where stats are located.
+ * @param rx_offset
+ * Offset from the rx_queue structure where stats are located.
+ * @return
+ * Zero if successful. Non-zero otherwise.
+ */
+__rte_internal
+int rte_eth_counters_reset(struct rte_eth_dev *dev,
+ size_t tx_offset, size_t rx_offset);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_ETHDEV_SWSTATS_H_ */
diff --git a/lib/ethdev/meson.build b/lib/ethdev/meson.build
index f1d2586591..7ce29a46d4 100644
--- a/lib/ethdev/meson.build
+++ b/lib/ethdev/meson.build
@@ -3,6 +3,7 @@
sources = files(
'ethdev_driver.c',
+ 'ethdev_swstats.c',
'ethdev_private.c',
'ethdev_profile.c',
'ethdev_trace_points.c',
@@ -42,6 +43,7 @@ driver_sdk_headers += files(
'ethdev_driver.h',
'ethdev_pci.h',
'ethdev_vdev.h',
+ 'ethdev_swstats.h',
)
if is_linux
diff --git a/lib/ethdev/version.map b/lib/ethdev/version.map
index 79f6f5293b..fc595be278 100644
--- a/lib/ethdev/version.map
+++ b/lib/ethdev/version.map
@@ -358,4 +358,7 @@ INTERNAL {
rte_eth_switch_domain_alloc;
rte_eth_switch_domain_free;
rte_flow_fp_default_ops;
+
+ rte_eth_counters_reset;
+ rte_eth_counters_stats_get;
};
--
2.43.0
next prev parent reply other threads:[~2024-05-22 16:14 UTC|newest]
Thread overview: 179+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-25 17:46 [RFC] net/af_packet: make stats reset reliable Ferruh Yigit
2024-04-26 11:33 ` Morten Brørup
2024-04-26 13:37 ` Ferruh Yigit
2024-04-26 14:56 ` Morten Brørup
2024-04-28 15:42 ` Mattias Rönnblom
2024-04-26 14:38 ` [RFC v2] " Ferruh Yigit
2024-04-26 14:47 ` Morten Brørup
2024-04-28 15:11 ` Mattias Rönnblom
2024-05-01 16:19 ` Ferruh Yigit
2024-05-02 5:51 ` Mattias Rönnblom
2024-05-02 14:22 ` Ferruh Yigit
2024-05-02 15:59 ` Stephen Hemminger
2024-05-02 18:20 ` Ferruh Yigit
2024-05-02 17:37 ` Mattias Rönnblom
2024-05-02 18:26 ` Stephen Hemminger
2024-05-02 21:26 ` Mattias Rönnblom
2024-05-02 21:46 ` Stephen Hemminger
2024-05-07 7:23 ` Mattias Rönnblom
2024-05-07 13:49 ` Ferruh Yigit
2024-05-07 14:51 ` Stephen Hemminger
2024-05-07 16:00 ` Morten Brørup
2024-05-07 16:54 ` Ferruh Yigit
2024-05-07 18:47 ` Stephen Hemminger
2024-05-08 7:48 ` Mattias Rönnblom
2024-05-08 6:28 ` Mattias Rönnblom
2024-05-08 6:25 ` Mattias Rönnblom
2024-05-07 19:19 ` Morten Brørup
2024-05-08 6:34 ` Mattias Rönnblom
2024-05-08 7:10 ` Morten Brørup
2024-05-08 7:23 ` Mattias Rönnblom
2024-04-26 21:28 ` [RFC] " Patrick Robb
2024-05-03 15:45 ` [RFC v3] " Ferruh Yigit
2024-05-03 22:00 ` Stephen Hemminger
2024-05-07 13:48 ` Ferruh Yigit
2024-05-07 14:52 ` Stephen Hemminger
2024-05-07 17:27 ` Ferruh Yigit
2024-05-08 7:19 ` Mattias Rönnblom
2024-05-08 15:23 ` Stephen Hemminger
2024-05-08 19:48 ` Ferruh Yigit
2024-05-08 20:54 ` Stephen Hemminger
2024-05-09 7:43 ` Morten Brørup
2024-05-09 9:29 ` Bruce Richardson
2024-05-09 11:37 ` Morten Brørup
2024-05-09 14:19 ` Morten Brørup
2024-05-10 4:56 ` Stephen Hemminger
2024-05-10 9:14 ` Morten Brørup
2024-05-26 7:10 ` Mattias Rönnblom
2024-05-26 7:07 ` Mattias Rönnblom
2024-05-26 7:03 ` Mattias Rönnblom
2024-05-26 7:21 ` Mattias Rönnblom
2024-10-04 17:40 ` Stephen Hemminger
2024-05-07 15:27 ` Morten Brørup
2024-05-07 17:40 ` Ferruh Yigit
2024-05-10 5:01 ` [RFC 0/3] generic sw counters Stephen Hemminger
2024-05-10 5:01 ` [RFC 1/3] ethdev: add internal helper of SW driver statistics Stephen Hemminger
2024-05-10 5:01 ` [RFC 2/3] net/af_packet: use SW stats helper Stephen Hemminger
2024-05-10 5:01 ` [RFC 3/3] net/tap: use generic SW stats Stephen Hemminger
2024-05-10 17:29 ` [RFC 0/3] generic sw counters Morten Brørup
2024-05-10 19:30 ` Stephen Hemminger
2024-05-13 18:52 ` [RFC v2 0/7] generic SW counters Stephen Hemminger
2024-05-13 18:52 ` [RFC v2 1/7] eal: generic 64 bit counter Stephen Hemminger
2024-05-13 19:36 ` Morten Brørup
2024-05-13 18:52 ` [RFC v2 2/7] ethdev: add internal helper of SW driver statistics Stephen Hemminger
2024-05-13 18:52 ` [RFC v2 3/7] net/af_packet: use SW stats helper Stephen Hemminger
2024-05-13 18:52 ` [RFC v2 4/7] net/tap: use generic SW stats Stephen Hemminger
2024-05-13 18:52 ` [RFC v2 5/7] net/pcap: " Stephen Hemminger
2024-05-13 18:52 ` [RFC v2 6/7] net/af_xdp: " Stephen Hemminger
2024-05-13 18:52 ` [RFC v2 7/7] net/ring: " Stephen Hemminger
2024-05-14 15:35 ` [PATCH v3 0/7] Generic SW counters Stephen Hemminger
2024-05-14 15:35 ` [PATCH v3 1/7] eal: generic 64 bit counter Stephen Hemminger
2024-05-15 9:30 ` Morten Brørup
2024-05-15 15:03 ` Stephen Hemminger
2024-05-15 16:18 ` Morten Brørup
2024-05-26 7:34 ` Mattias Rönnblom
2024-05-26 6:45 ` Mattias Rönnblom
2024-05-14 15:35 ` [PATCH v3 2/7] ethdev: add internal helper of SW driver statistics Stephen Hemminger
2024-05-14 15:35 ` [PATCH v3 3/7] net/af_packet: use SW stats helper Stephen Hemminger
2024-05-14 15:35 ` [PATCH v3 4/7] net/af_xdp: use generic SW stats Stephen Hemminger
2024-05-14 15:35 ` [PATCH v3 5/7] net/pcap: " Stephen Hemminger
2024-05-14 15:35 ` [PATCH v3 6/7] net/ring: " Stephen Hemminger
2024-05-14 15:35 ` [PATCH v3 7/7] net/tap: " Stephen Hemminger
2024-05-15 23:40 ` [PATCH v4 0/8] Generic 64 bit counters for SW PMD's Stephen Hemminger
2024-05-15 23:40 ` [PATCH v4 1/8] eal: generic 64 bit counter Stephen Hemminger
2024-05-15 23:40 ` [PATCH v4 2/8] ethdev: add common counters for statistics Stephen Hemminger
2024-05-15 23:40 ` [PATCH v4 3/8] net/af_packet: use generic SW stats Stephen Hemminger
2024-05-15 23:40 ` [PATCH v4 4/8] net/af_xdp: " Stephen Hemminger
2024-05-15 23:40 ` [PATCH v4 5/8] net/pcap: " Stephen Hemminger
2024-05-15 23:40 ` [PATCH v4 6/8] net/ring: " Stephen Hemminger
2024-05-15 23:40 ` [PATCH v4 7/8] net/tap: " Stephen Hemminger
2024-05-15 23:41 ` [PATCH v4 8/8] net/null: " Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 0/9] Generic 64 bit counters Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 1/9] eal: generic 64 bit counter Stephen Hemminger
2024-05-16 18:22 ` Wathsala Wathawana Vithanage
2024-05-16 21:42 ` Stephen Hemminger
2024-05-17 2:39 ` Honnappa Nagarahalli
2024-05-17 3:29 ` Stephen Hemminger
2024-05-17 4:39 ` Honnappa Nagarahalli
2024-05-16 15:40 ` [PATCH v5 2/9] ethdev: add common counters for statistics Stephen Hemminger
2024-05-16 18:30 ` Wathsala Wathawana Vithanage
2024-05-17 0:19 ` Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 3/9] net/af_packet: use generic SW stats Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 4/9] net/af_xdp: " Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 5/9] net/pcap: " Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 6/9] test/pmd_ring: initialize mbufs Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 7/9] net/ring: use generic SW stats Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 8/9] net/tap: " Stephen Hemminger
2024-05-16 15:40 ` [PATCH v5 9/9] net/null: " Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 0/9] Generic 64 bit counters for SW drivers Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 1/9] eal: generic 64 bit counter Stephen Hemminger
2024-05-17 2:45 ` Honnappa Nagarahalli
2024-05-17 3:30 ` Stephen Hemminger
2024-05-17 4:26 ` Honnappa Nagarahalli
2024-05-17 6:44 ` Morten Brørup
2024-05-17 15:05 ` Stephen Hemminger
2024-05-17 16:18 ` Stephen Hemminger
2024-05-18 14:00 ` Morten Brørup
2024-05-19 15:13 ` Stephen Hemminger
2024-05-19 17:10 ` Morten Brørup
2024-05-19 22:49 ` Stephen Hemminger
2024-05-20 7:57 ` Morten Brørup
2024-05-17 15:07 ` Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 2/9] ethdev: add common counters for statistics Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 3/9] net/af_packet: use generic SW stats Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 4/9] net/af_xdp: " Stephen Hemminger
2024-05-17 13:34 ` Loftus, Ciara
2024-05-17 14:54 ` Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 5/9] net/pcap: " Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 6/9] test/pmd_ring: initialize mbufs Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 7/9] net/ring: use generic SW stats Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 8/9] net/tap: " Stephen Hemminger
2024-05-17 0:12 ` [PATCH v6 9/9] net/null: " Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 0/9] Use weak atomic operations for SW PMD counters Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 1/9] eal: generic 64 bit counter Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 2/9] ethdev: add common counters for statistics Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 3/9] net/af_packet: use generic SW stats Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 4/9] net/af_xdp: " Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 5/9] net/pcap: " Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 6/9] test/pmd_ring: initialize mbufs Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 7/9] net/ring: use generic SW stats Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 8/9] net/tap: " Stephen Hemminger
2024-05-17 17:35 ` [PATCH v7 9/9] net/null: " Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 0/8] Common statistics routines for SW based PMD's Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 1/8] eal: generic 64 bit counter Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 2/8] ethdev: add common counters for statistics Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 3/8] net/af_packet: use generic SW stats Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 4/8] net/af_xdp: " Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 5/8] net/pcap: " Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 6/8] net/ring: " Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 7/8] net/tap: " Stephen Hemminger
2024-05-21 17:00 ` [PATCH v8 8/8] net/null: " Stephen Hemminger
2024-05-21 20:16 ` [PATCH v9 0/8] Common statistics for SW PMD's Stephen Hemminger
2024-05-21 20:16 ` [PATCH v9 1/8] eal: generic 64 bit counter Stephen Hemminger
2024-05-22 8:31 ` Morten Brørup
2024-05-22 15:33 ` Stephen Hemminger
2024-05-22 18:09 ` Morten Brørup
2024-05-22 19:53 ` Stephen Hemminger
2024-05-22 20:56 ` Morten Brørup
2024-05-22 15:37 ` Stephen Hemminger
2024-05-22 17:57 ` Morten Brørup
2024-05-22 19:01 ` Tyler Retzlaff
2024-05-22 19:51 ` Stephen Hemminger
2024-05-26 14:46 ` Mattias Rönnblom
2024-05-26 14:39 ` Mattias Rönnblom
2024-05-21 20:16 ` [PATCH v9 2/8] ethdev: add common counters for statistics Stephen Hemminger
2024-05-21 20:16 ` [PATCH v9 3/8] net/af_packet: use generic SW stats Stephen Hemminger
2024-05-21 20:16 ` [PATCH v9 4/8] net/af_xdp: " Stephen Hemminger
2024-05-21 20:16 ` [PATCH v9 5/8] net/pcap: " Stephen Hemminger
2024-05-21 20:16 ` [PATCH v9 6/8] net/ring: " Stephen Hemminger
2024-05-21 20:16 ` [PATCH v9 7/8] net/tap: " Stephen Hemminger
2024-05-21 20:16 ` [PATCH v9 8/8] net/null: " Stephen Hemminger
2024-05-22 16:12 ` [PATCH v10 0/8] Common statistics for software PMD's Stephen Hemminger
2024-05-22 16:12 ` [PATCH v10 1/8] eal: generic 64 bit counter Stephen Hemminger
2024-05-22 16:12 ` Stephen Hemminger [this message]
2024-05-22 16:12 ` [PATCH v10 3/8] net/af_packet: use generic SW stats Stephen Hemminger
2024-05-22 16:12 ` [PATCH v10 4/8] net/af_xdp: " Stephen Hemminger
2024-05-22 16:12 ` [PATCH v10 5/8] net/pcap: " Stephen Hemminger
2024-05-22 16:12 ` [PATCH v10 6/8] net/ring: " Stephen Hemminger
2024-05-22 16:12 ` [PATCH v10 7/8] net/tap: " Stephen Hemminger
2024-05-22 16:12 ` [PATCH v10 8/8] net/null: " Stephen Hemminger
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