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: Tick interrupt implementation 14 */ 15 #include "prt_tick_internal.h" 16 17 /* 任务检测Tick中断调用钩子 */ 18 OS_SEC_BSS TskmonTickHook g_tskMonHook; 19 /* 软件定时器扫描钩子 */ 20 OS_SEC_BSS SwitchScanFunc g_swtmrScanHook; 21 OS_SEC_BSS TickHandleFunc g_tickUsrHook; 22 23 /* 24 * 描述：Tick中断的处理函数。扫描任务超时链表、扫描超时软件定时器、扫描TSKMON等。 25 */ OsTickDispatcher(void)26OS_SEC_TEXT void OsTickDispatcher(void) 27 { 28 uintptr_t intSave; 29 30 intSave = OsIntLock(); 31 32 g_uniTicks++; 33 34 OS_TICK_COUNT_UPDATE(); 35 36 // 任务超时扫描 37 OS_TASK_SCAN(); 38 39 // tick模式下的cpu占用率采样 40 OS_TICK_TASK_ENTRY(); 41 42 OsIntRestore(intSave); 43 44 TICK_USER_HOOK_RUN(); 45 46 OS_SWTMR_SCAN(); 47 TSKMON_TICK_RUN(); 48 } 49 50