mirror of
https://github.com/zephyrproject-rtos/zephyr
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851c6f8f60
This patch enables defining microkernel events within source code. This is similar to other private kernel object patches. The test has been modified a little bit due to the fact that the event ID is now a memory address, instead of numeric ID. Change-Id: Ie3c8d4f4e459d9c631e50bb242cf7a05ca8ea82c Signed-off-by: Daniel Leung <daniel.leung@intel.com> Signed-off-by: Anas Nashif <anas.nashif@intel.com>
113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
/* k_task_monitor.c - microkernel task monitoring subsystem */
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/*
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* Copyright (c) 1997-2010, 2013-2015 Wind River Systems, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef CONFIG_TASK_MONITOR
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#include <micro_private.h>
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#include <microkernel/ticks.h>
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#include <drivers/system_timer.h>
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#include <toolchain.h>
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#include <sections.h>
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static struct k_mrec __noinit k_monitor_buff[CONFIG_TASK_MONITOR_CAPACITY];
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static const int k_monitor_capacity = CONFIG_TASK_MONITOR_CAPACITY;
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const int _k_monitor_mask = CONFIG_TASK_MONITOR_MASK;
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static struct k_mrec *k_monitor_wptr = k_monitor_buff;
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static int k_monitor_nrec;
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static int K_monitor_wind;
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k_task_monitor_hook_t _k_task_switch_callback;
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extern kevent_t _k_event_list_start[];
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extern kevent_t _k_event_list_end[];
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void task_monitor_hook_set(k_task_monitor_hook_t func)
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{
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_k_task_switch_callback = func;
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}
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void _k_task_monitor(struct k_task *X, uint32_t D)
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{
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#ifdef CONFIG_TASK_DEBUG
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if (!_k_debug_halt)
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#endif
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{
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k_monitor_wptr->time = _sys_clock_cycle_get();
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k_monitor_wptr->data1 = X->id;
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k_monitor_wptr->data2 = D;
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if (++K_monitor_wind == k_monitor_capacity) {
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K_monitor_wind = 0;
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k_monitor_wptr = k_monitor_buff;
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} else {
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++k_monitor_wptr;
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}
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if (k_monitor_nrec < k_monitor_capacity) {
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k_monitor_nrec++;
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}
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}
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if ((_k_task_switch_callback != NULL) && (D == 0)) {
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(_k_task_switch_callback)(X->id, _sys_clock_cycle_get());
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}
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}
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void _k_task_monitor_args(struct k_args *A)
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{
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#ifdef CONFIG_TASK_DEBUG
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if (!_k_debug_halt)
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#endif
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{
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k_monitor_wptr->time = _sys_clock_cycle_get();
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if (((kevent_t)A >= (kevent_t)_k_event_list_start) &&
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((kevent_t)A < (kevent_t)_k_event_list_end)) {
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k_monitor_wptr->data2 = MO_EVENT | (uint32_t)A;
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} else {
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k_monitor_wptr->data1 = _k_current_task->id;
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k_monitor_wptr->data2 = MO_LCOMM | A->Comm;
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}
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if (++K_monitor_wind == k_monitor_capacity) {
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K_monitor_wind = 0;
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k_monitor_wptr = k_monitor_buff;
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} else {
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++k_monitor_wptr;
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}
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if (k_monitor_nrec < k_monitor_capacity) {
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k_monitor_nrec++;
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}
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}
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}
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void _k_task_monitor_read(struct k_args *A)
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{
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A->args.z4.nrec = k_monitor_nrec;
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if (A->args.z4.rind < k_monitor_nrec) {
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int i = K_monitor_wind - k_monitor_nrec + A->args.z4.rind;
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if (i < 0) {
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i += k_monitor_capacity;
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}
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A->args.z4.mrec = k_monitor_buff[i];
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}
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}
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#endif /* CONFIG_TASK_MONITOR */
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