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Diffstat (limited to 'apps/systemlib/cpuload.c')
| -rw-r--r-- | apps/systemlib/cpuload.c | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/apps/systemlib/cpuload.c b/apps/systemlib/cpuload.c deleted file mode 100644 index 20b711fa6..000000000 --- a/apps/systemlib/cpuload.c +++ /dev/null @@ -1,176 +0,0 @@ -/**************************************************************************** - * configs/px4fmu/src/up_leds.c - * arch/arm/src/board/up_leds.c - * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#include <stdint.h> -#include <stdbool.h> -#include <debug.h> - -#include <sys/time.h> -#include <sched.h> - -#include <arch/board/board.h> -#include <drivers/drv_hrt.h> - -#include "cpuload.h" - -#ifdef CONFIG_SCHED_INSTRUMENTATION - -/**************************************************************************** - * Definitions - ****************************************************************************/ - - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -__EXPORT void sched_note_start(FAR _TCB *tcb); -__EXPORT void sched_note_stop(FAR _TCB *tcb); -__EXPORT void sched_note_switch(FAR _TCB *pFromTcb, FAR _TCB *pToTcb); - -/**************************************************************************** - * Name: - ****************************************************************************/ - -__EXPORT struct system_load_s system_load; - -extern FAR _TCB *sched_gettcb(pid_t pid); - -void cpuload_initialize_once() -{ -// if (!system_load.initialized) -// { - system_load.start_time = hrt_absolute_time(); - int i; - - for (i = 0; i < CONFIG_MAX_TASKS; i++) { - system_load.tasks[i].valid = false; - } - - system_load.total_count = 0; - - uint64_t now = hrt_absolute_time(); - - /* initialize idle thread statically */ - system_load.tasks[0].start_time = now; - system_load.tasks[0].total_runtime = 0; - system_load.tasks[0].curr_start_time = 0; - system_load.tasks[0].tcb = sched_gettcb(0); - system_load.tasks[0].valid = true; - system_load.total_count++; - - /* initialize init thread statically */ - system_load.tasks[1].start_time = now; - system_load.tasks[1].total_runtime = 0; - system_load.tasks[1].curr_start_time = 0; - system_load.tasks[1].tcb = sched_gettcb(1); - system_load.tasks[1].valid = true; - /* count init thread */ - system_load.total_count++; - // } -} - -void sched_note_start(FAR _TCB *tcb) -{ - /* search first free slot */ - int i; - - for (i = 1; i < CONFIG_MAX_TASKS; i++) { - if (!system_load.tasks[i].valid) { - /* slot is available */ - system_load.tasks[i].start_time = hrt_absolute_time(); - system_load.tasks[i].total_runtime = 0; - system_load.tasks[i].curr_start_time = 0; - system_load.tasks[i].tcb = tcb; - system_load.tasks[i].valid = true; - system_load.total_count++; - break; - } - } -} - -void sched_note_stop(FAR _TCB *tcb) -{ - int i; - - for (i = 1; i < CONFIG_MAX_TASKS; i++) { - if (system_load.tasks[i].tcb->pid == tcb->pid) { - /* mark slot as fee */ - system_load.tasks[i].valid = false; - system_load.tasks[i].total_runtime = 0; - system_load.tasks[i].curr_start_time = 0; - system_load.tasks[i].tcb = NULL; - system_load.total_count--; - break; - } - } -} - -void sched_note_switch(FAR _TCB *pFromTcb, FAR _TCB *pToTcb) -{ - uint64_t new_time = hrt_absolute_time(); - - /* Kind of inefficient: find both tasks and update times */ - uint8_t both_found = 0; - - for (int i = 0; i < CONFIG_MAX_TASKS; i++) { - /* Task ending its current scheduling run */ - if (system_load.tasks[i].tcb->pid == pFromTcb->pid) { - //if (system_load.tasks[i].curr_start_time != 0) - { - system_load.tasks[i].total_runtime += new_time - system_load.tasks[i].curr_start_time; - } - both_found++; - - } else if (system_load.tasks[i].tcb->pid == pToTcb->pid) { - system_load.tasks[i].curr_start_time = new_time; - both_found++; - } - - /* Do only iterate as long as needed */ - if (both_found == 2) { - break; - } - } -} - -#endif /* CONFIG_SCHED_INSTRUMENTATION */ |