[dpdk-dev] [PATCH 5/5] librte_ethdev: add to use apistats
Hideyuki Yamashita
yamashita.hideyuki at ntt-tx.co.jp
Fri Dec 4 08:51:09 CET 2020
This patch modifies to use apistats by librte_ethdev.
Signed-off-by: Hideyuki Yamashita <yamashtia.hideyuki at ntt-tx.co.jp>
---
lib/librte_ethdev/meson.build | 6 ++-
lib/librte_ethdev/rte_apistats.c | 64 ++++++++++++++++++++++++++++++++
lib/librte_ethdev/rte_apistats.h | 64 ++++++++++++++++++++++++++++++++
lib/librte_ethdev/rte_ethdev.h | 7 ++++
lib/librte_ethdev/version.map | 5 +++
5 files changed, 144 insertions(+), 2 deletions(-)
create mode 100644 lib/librte_ethdev/rte_apistats.c
create mode 100644 lib/librte_ethdev/rte_apistats.h
diff --git a/lib/librte_ethdev/meson.build b/lib/librte_ethdev/meson.build
index e4b6102..d03e784 100644
--- a/lib/librte_ethdev/meson.build
+++ b/lib/librte_ethdev/meson.build
@@ -8,7 +8,8 @@ sources = files('ethdev_private.c',
'rte_ethdev.c',
'rte_flow.c',
'rte_mtr.c',
- 'rte_tm.c')
+ 'rte_tm.c' ,
+ 'rte_apistats.c')
headers = files('rte_ethdev.h',
'rte_ethdev_driver.h',
@@ -24,6 +25,7 @@ headers = files('rte_ethdev.h',
'rte_mtr.h',
'rte_mtr_driver.h',
'rte_tm.h',
- 'rte_tm_driver.h')
+ 'rte_tm_driver.h',
+ 'rte_apistats.h')
deps += ['net', 'kvargs', 'meter', 'telemetry']
diff --git a/lib/librte_ethdev/rte_apistats.c b/lib/librte_ethdev/rte_apistats.c
new file mode 100644
index 0000000..c4bde34
--- /dev/null
+++ b/lib/librte_ethdev/rte_apistats.c
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 NTT TechnoCross Corporation
+ */
+
+
+#include <unistd.h>
+#include <sys/types.h>
+#include <string.h>
+#include <rte_log.h>
+#include <rte_memzone.h>
+#include <rte_lcore.h>
+
+#include "rte_apistats.h"
+
+/* Macros for printing using RTE_LOG */
+#define RTE_LOGTYPE_APISTATS RTE_LOGTYPE_USER1
+
+#define MZ_APISTATS "rte_apistats"
+
+struct rte_apistats *rte_apicounts;
+
+int rte_apistats_init(void)
+{
+ int i;
+ const struct rte_memzone *mz = NULL;
+ const unsigned int flags = 0;
+
+ /** Allocate stats in shared memory fo multi process support */
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
+ mz = rte_memzone_lookup(MZ_APISTATS);
+ if (mz == NULL) {
+ RTE_LOG(ERR, APISTATS, "Cannot get info structure\n");
+ return -1;
+ }
+ rte_apicounts = mz->addr;
+ } else {
+ /* RTE_PROC_PRIMARY */
+ mz = rte_memzone_reserve(MZ_APISTATS, sizeof(*rte_apicounts),
+ rte_socket_id(), flags);
+ if (mz == NULL) {
+ RTE_LOG(ERR, APISTATS, "Cannot reserve memory zone\n");
+ return -ENOMEM;
+ }
+ rte_apicounts = mz->addr;
+ memset(rte_apicounts, 0, sizeof(*rte_apicounts));
+ }
+
+ /* set up array for data */
+ RTE_LCORE_FOREACH(i) {
+ rte_apicounts->lcoreid_list[i] = 1;
+ RTE_LOG(INFO, APISTATS, "Enable core usage for lcore %u\n", i);
+ }
+ return 0;
+}
+
+int rte_apistats_uninit(void)
+{
+ const struct rte_memzone *mz = NULL;
+ /* free up the memzone */
+ mz = rte_memzone_lookup(MZ_APISTATS);
+ if (mz)
+ rte_memzone_free(mz);
+ return 0;
+}
diff --git a/lib/librte_ethdev/rte_apistats.h b/lib/librte_ethdev/rte_apistats.h
new file mode 100644
index 0000000..afea50e
--- /dev/null
+++ b/lib/librte_ethdev/rte_apistats.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 NTT TechnoCross Corporation
+ */
+
+#ifndef _RTE_APISTATS_H_
+#define _RTE_APISTATS_H_
+
+/**
+ * @file
+ * RTE apistats
+ *
+ * library to provide rte_rx_burst/tx_burst api stats.
+ */
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <rte_compat.h>
+#include <rte_lcore.h>
+
+/**
+ * A structure for rte_rx_burst/tx_burst api statistics.
+ */
+struct rte_apistats {
+ int lcoreid_list[RTE_MAX_LCORE]; /**< In use lcoreid list */
+ /**< Total rte_rx_burst call counts */
+ uint64_t rx_burst_counts[RTE_MAX_LCORE];
+
+ /**< Total rte_tx_burst call counts */
+ uint64_t tx_burst_counts[RTE_MAX_LCORE];
+};
+
+extern struct rte_apistats *rte_apicounts;
+
+/**
+ * Initialize rte_rx_burst/tx_burst call count area.
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * @return
+ * -1 : On error
+ * -ENOMEM: On error
+ * 0 : On success
+ */
+__rte_experimental
+int rte_apistats_init(void);
+
+/**
+ * Clean up and free memory.
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * @return
+ * -1: On error
+ * 0: On success
+ */
+__rte_experimental
+int rte_apistats_uninit(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_APISTATS_H_ */
diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
index f5f8919..bef9bc6 100644
--- a/lib/librte_ethdev/rte_ethdev.h
+++ b/lib/librte_ethdev/rte_ethdev.h
@@ -160,6 +160,7 @@ extern "C" {
#include "rte_ethdev_trace_fp.h"
#include "rte_dev_info.h"
+#include <rte_apistats.h>
extern int rte_eth_dev_logtype;
@@ -4849,6 +4850,9 @@ rte_eth_rx_burst(uint16_t port_id, uint16_t queue_id,
nb_rx = (*dev->rx_pkt_burst)(dev->data->rx_queues[queue_id],
rx_pkts, nb_pkts);
+ int lcore_id = rte_lcore_id();
+ rte_apicounts->rx_burst_counts[lcore_id]++;
+
#ifdef RTE_ETHDEV_RXTX_CALLBACKS
struct rte_eth_rxtx_callback *cb;
@@ -5124,6 +5128,9 @@ rte_eth_tx_burst(uint16_t port_id, uint16_t queue_id,
}
#endif
+ int lcore_id = rte_lcore_id();
+ rte_apicounts->tx_burst_counts[lcore_id]++;
+
#ifdef RTE_ETHDEV_RXTX_CALLBACKS
struct rte_eth_rxtx_callback *cb;
diff --git a/lib/librte_ethdev/version.map b/lib/librte_ethdev/version.map
index d3f5410..adea432 100644
--- a/lib/librte_ethdev/version.map
+++ b/lib/librte_ethdev/version.map
@@ -240,6 +240,11 @@ EXPERIMENTAL {
rte_flow_get_restore_info;
rte_flow_tunnel_action_decap_release;
rte_flow_tunnel_item_release;
+
+ # added in 21.02
+ rte_apistats_init;
+ rte_apistats_uninit;
+ rte_apicounts;
};
INTERNAL {
--
2.18.0
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