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oeAware-collector/0001-add-netif_rx-counting-pmu-instance.patch
LHesperus 3191187b34 add netif_rx counting pmu instance 
(cherry picked from commit 41e243fb3927419fe87e41aa73f435676001d6a3)
2024-06-22 14:26:16 +08:00

314 lines
7.7 KiB
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From d01d15a19173bf61127c1c0d5a7ae6945a991673 Mon Sep 17 00:00:00 2001
From: LHesperus <2639350497@qq.com>
Date: Thu, 20 Jun 2024 10:19:10 +0800
Subject: [PATCH] add netif_rx counting pmu instance
---
include/pmu_plugin.h | 1 +
pmu/CMakeLists.txt | 1 +
pmu/plugin/plugin.c | 16 ++++
pmu/plugin/plugin_comm.h | 1 +
pmu/plugin/plugin_netif_rx.c | 170 +++++++++++++++++++++++++++++++++++
pmu/plugin/plugin_netif_rx.h | 35 ++++++++
6 files changed, 224 insertions(+)
create mode 100644 pmu/plugin/plugin_netif_rx.c
create mode 100644 pmu/plugin/plugin_netif_rx.h
diff --git a/include/pmu_plugin.h b/include/pmu_plugin.h
index 20c7ef7..ca0777d 100644
--- a/include/pmu_plugin.h
+++ b/include/pmu_plugin.h
@@ -20,6 +20,7 @@ extern "C" {
#define PMU_CYCLES_SAMPLING "pmu_cycles_sampling"
#define PMU_UNCORE "pmu_uncore_counting"
#define PMU_SPE "pmu_spe_sampling"
+#define PMU_NETIF_RX "pmu_netif_rx_counting"
#ifdef __cplusplus
}
diff --git a/pmu/CMakeLists.txt b/pmu/CMakeLists.txt
index 9da7622..50c4cef 100644
--- a/pmu/CMakeLists.txt
+++ b/pmu/CMakeLists.txt
@@ -22,6 +22,7 @@ set(pmu_src
plugin/plugin_spe.c
plugin/plugin_uncore.c
plugin/pmu_uncore.c
+ plugin/plugin_netif_rx.c
plugin/plugin_comm.c
plugin/plugin.c
)
diff --git a/pmu/plugin/plugin.c b/pmu/plugin/plugin.c
index d231c26..2c2e933 100644
--- a/pmu/plugin/plugin.c
+++ b/pmu/plugin/plugin.c
@@ -14,6 +14,7 @@
#include "plugin_counting.h"
#include "plugin_uncore.h"
#include "plugin_spe.h"
+#include "plugin_netif_rx.h"
#define INS_COLLECTOR_MAX 10
@@ -75,6 +76,20 @@ struct Interface spe_collector = {
.run = spe_run,
};
+struct Interface netif_rx_collector = {
+ .get_version = netif_rx_get_version,
+ .get_description = netif_rx_get_description,
+ .get_priority = netif_rx_get_priority,
+ .get_type = netif_rx_get_type,
+ .get_dep = netif_rx_get_dep,
+ .get_name = netif_rx_get_name,
+ .get_period = netif_rx_get_period,
+ .enable = netif_rx_enable,
+ .disable = netif_rx_disable,
+ .get_ring_buf = netif_rx_get_ring_buf,
+ .run = netif_rx_run,
+};
+
int get_instance(struct Interface **interface)
{
int ins_count = 0;
@@ -83,6 +98,7 @@ int get_instance(struct Interface **interface)
ins_collector[ins_count++] = counting_collector;
ins_collector[ins_count++] = uncore_collector;
ins_collector[ins_count++] = spe_collector;
+ ins_collector[ins_count++] = netif_rx_collector;
*interface = &ins_collector[0];
return ins_count;
diff --git a/pmu/plugin/plugin_comm.h b/pmu/plugin/plugin_comm.h
index 20acb12..4ce0ef6 100644
--- a/pmu/plugin/plugin_comm.h
+++ b/pmu/plugin/plugin_comm.h
@@ -20,6 +20,7 @@ extern "C" {
#define CYCLES_SAMPLING_BUF_SIZE 10
#define UNCORE_BUF_SIZE 10
#define SPE_BUF_SIZE 10
+#define NETIF_RX_BUF_SIZE 10
struct DataRingBuf;
struct PmuData;
diff --git a/pmu/plugin/plugin_netif_rx.c b/pmu/plugin/plugin_netif_rx.c
new file mode 100644
index 0000000..717f091
--- /dev/null
+++ b/pmu/plugin/plugin_netif_rx.c
@@ -0,0 +1,170 @@
+/******************************************************************************
+ * Copyright (c) 2024 Huawei Technologies Co., Ltd. All rights reserved.
+ * oeAware is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ * http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ ******************************************************************************/
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include "pmu.h"
+#include "pcerrc.h"
+#include "interface.h"
+#include "pmu_plugin.h"
+#include "plugin_comm.h"
+
+static bool event_is_open = false;
+static int pmu_id = -1;
+static struct DataRingBuf *ring_buf = NULL;
+struct PmuData *pmu_data = NULL;
+
+static int init()
+{
+ ring_buf = init_buf(NETIF_RX_BUF_SIZE, PMU_NETIF_RX);
+ if (!ring_buf) {
+ return -1;
+ }
+
+ return 0;
+}
+
+static void finish()
+{
+ if (!ring_buf) {
+ return;
+ }
+
+ free_buf(ring_buf);
+ ring_buf = NULL;
+}
+
+static int open()
+{
+ struct PmuAttr attr;
+ char *evtList[1];
+ int pd;
+
+ evtList[0] = "net:netif_rx";
+
+ attr.evtList = evtList;
+ attr.numEvt = 1;
+ attr.pidList = NULL;
+ attr.numPid = 0;
+ attr.cpuList = NULL;
+ attr.numCpu = 0;
+
+ pd = PmuOpen(COUNTING, &attr);
+ if (pd == -1) {
+ printf("%s\n", Perror());
+ return pd;
+ }
+
+ event_is_open = true;
+ return pd;
+}
+
+static void netif_rx_close()
+{
+ PmuClose(pmu_id);
+ pmu_id = -1;
+ event_is_open = false;
+}
+
+bool netif_rx_enable()
+{
+ if (!ring_buf) {
+ int ret = init();
+ if (ret != 0) {
+ goto err;
+ }
+ }
+
+ if (!event_is_open) {
+ pmu_id = open();
+ if (pmu_id == -1) {
+ finish();
+ goto err;
+ }
+ }
+
+ return PmuEnable(pmu_id) == 0;
+
+err:
+ return false;
+}
+
+void netif_rx_disable()
+{
+ PmuDisable(pmu_id);
+ netif_rx_close();
+ finish();
+}
+
+const struct DataRingBuf *netif_rx_get_ring_buf()
+{
+ return (const struct DataRingBuf *)ring_buf;
+}
+
+static void reflash_ring_buf()
+{
+ struct DataRingBuf *data_ringbuf;
+ int len;
+
+ data_ringbuf = (struct DataRingBuf *)ring_buf;
+ if (!data_ringbuf) {
+ printf("ring_buf has not malloc\n");
+ return;
+ }
+
+ PmuDisable(pmu_id);
+ len = PmuRead(pmu_id, &pmu_data);
+ PmuEnable(pmu_id);
+
+ fill_buf(data_ringbuf, pmu_data, len);
+}
+
+void netif_rx_run(const struct Param *param)
+{
+ (void)param;
+ reflash_ring_buf();
+}
+
+const char *netif_rx_get_version()
+{
+ return NULL;
+}
+
+const char *netif_rx_get_name()
+{
+ return PMU_NETIF_RX;
+}
+
+const char *netif_rx_get_description()
+{
+ return NULL;
+}
+
+const char *netif_rx_get_dep()
+{
+ return NULL;
+}
+
+int netif_rx_get_priority()
+{
+ return 0;
+}
+
+int netif_rx_get_type()
+{
+ return -1;
+}
+
+int netif_rx_get_period()
+{
+ return 100;
+}
diff --git a/pmu/plugin/plugin_netif_rx.h b/pmu/plugin/plugin_netif_rx.h
new file mode 100644
index 0000000..0c82936
--- /dev/null
+++ b/pmu/plugin/plugin_netif_rx.h
@@ -0,0 +1,35 @@
+/******************************************************************************
+ * Copyright (c) 2024 Huawei Technologies Co., Ltd. All rights reserved.
+ * oeAware is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ * http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ ******************************************************************************/
+#ifndef __PLUGIN_NETIF_RX_H__
+#define __PLUGIN_NETIF_RX_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+const char *netif_rx_get_version();
+const char *netif_rx_get_name();
+const char *netif_rx_get_description();
+const char *netif_rx_get_dep();
+int netif_rx_get_priority();
+int netif_rx_get_type();
+int netif_rx_get_period();
+bool netif_rx_enable();
+void netif_rx_disable();
+const struct DataRingBuf *netif_rx_get_ring_buf();
+void netif_rx_run(const struct Param *param);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--
2.45.2.windows.1
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