1 /* 2 * Copyright (c) 2009-2022 Huawei Technologies Co., Ltd. All rights reserved. 3 * 4 * UniProton is licensed under Mulan PSL v2. 5 * You can use this software according to the terms and conditions of the Mulan PSL v2. 6 * You may obtain a copy of Mulan PSL v2 at: 7 * http://license.coscl.org.cn/MulanPSL2 8 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, 9 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, 10 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. 11 * See the Mulan PSL v2 for more details. 12 * Create: 2009-12-22 13 * Description: CPU占用率模块的C文件 14 */ 15 #include "prt_cpup_internal.h" 16 #include "prt_cpup_thread_internal.h" 17 18 /* 数据定义放到XXX.c中是为了解决SAI报Data Module */ 19 #if defined(OS_OPTION_CPUP_WARN) 20 /* CPUP告警检测函数钩子 */ 21 OS_SEC_BSS CpupWarnFunc g_cpupWarnCheck; 22 #endif 23 24 OS_SEC_BSS CpupNowFunc g_cpupNow; 25 /* 系统级CPUP一个计算周期的的tick数 */ 26 OS_SEC_BSS U32 g_ticksPerSample; 27 /* 当前系统级CPUP计数 */ 28 OS_SEC_BSS U32 g_cpupIndex; 29 /* 线程级CPU占用率结构体指针 */ 30 OS_SEC_BSS struct TagCpupThread *g_cpup; 31 32 /* 一个采样周期内，当前Tick计数值 */ 33 OS_SEC_BSS U32 g_tickCount; 34 /* CPU占用率采样周期值 */ 35 OS_SEC_BSS U64 g_baseValue; 36 OsCpupRegister(struct CpupModInfo * modInfo)37OS_SEC_L4_TEXT U32 OsCpupRegister(struct CpupModInfo *modInfo) 38 { 39 U32 ret; 40 41 ret = OsCpupReg(modInfo); 42 if (ret != OS_OK) { 43 return ret; 44 } 45 46 #if defined(OS_OPTION_CPUP_WARN) 47 if (modInfo->cpupWarnFlag == TRUE) { 48 ret = OsCpupWarnReg(modInfo); 49 if (ret != OS_OK) { 50 return ret; 51 } 52 } 53 #endif 54 55 return OS_OK; 56 } 57 58 /* 59 * 描述：模块间接口，获取CPUP是否已经初始化。 60 */ OsCpupInitIsDone(void)61OS_SEC_L4_TEXT bool OsCpupInitIsDone(void) 62 { 63 if (g_cpupNow == NULL) { 64 return FALSE; 65 } 66 return TRUE; 67 } 68 69 /* 70 * 描述：根据g_cpupThreadInitFlag判断是否已经初始化CPUP模块如果没有，则进行初始化 71 */ OsCpupLazyInit(void)72OS_SEC_L2_TEXT U32 OsCpupLazyInit(void) 73 { 74 if (g_cpupNow == NULL) { 75 return OS_ERRNO_CPUP_NOT_INITED; 76 } 77 return OS_OK; 78 } 79