From 0c4e7337373821161e171057b081767a60c2f892 Mon Sep 17 00:00:00 2001
From: liukangcc <liukangcc@outlook.com>
Date: Wed, 15 Dec 2021 10:09:31 +0800
Subject: [update] remove RT_USING_TC

---
 examples/kernel/cpuusage.c | 78 ----------------------------------------------
 1 file changed, 78 deletions(-)
 delete mode 100644 examples/kernel/cpuusage.c

(limited to 'examples/kernel/cpuusage.c')

diff --git a/examples/kernel/cpuusage.c b/examples/kernel/cpuusage.c
deleted file mode 100644
index 5f9d480139..0000000000
--- a/examples/kernel/cpuusage.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
-#include <rtthread.h>
-#include <rthw.h>
-
-#define CPU_USAGE_CALC_TICK    10
-#define CPU_USAGE_LOOP        100
-
-static rt_uint8_t  cpu_usage_major = 0, cpu_usage_minor= 0;
-static rt_uint32_t total_count = 0;
-
-static void cpu_usage_idle_hook()
-{
-    rt_tick_t tick;
-    rt_uint32_t count;
-    volatile rt_uint32_t loop;
-
-    if (total_count == 0)
-    {
-        /* get total count */
-        rt_enter_critical();
-        tick = rt_tick_get();
-        while(rt_tick_get() - tick < CPU_USAGE_CALC_TICK)
-        {
-            total_count ++;
-            loop = 0;
-            while (loop < CPU_USAGE_LOOP) loop ++;
-        }
-        rt_exit_critical();
-    }
-
-    count = 0;
-    /* get CPU usage */
-    tick = rt_tick_get();
-    while (rt_tick_get() - tick < CPU_USAGE_CALC_TICK)
-    {
-        count ++;
-        loop  = 0;
-        while (loop < CPU_USAGE_LOOP) loop ++;
-    }
-
-    /* calculate major and minor */
-    if (count < total_count)
-    {
-        count = total_count - count;
-        cpu_usage_major = (count * 100) / total_count;
-        cpu_usage_minor = ((count * 100) % total_count) * 100 / total_count;
-    }
-    else
-    {
-        total_count = count;
-
-        /* no CPU usage */
-        cpu_usage_major = 0;
-        cpu_usage_minor = 0;
-    }
-}
-
-void cpu_usage_get(rt_uint8_t *major, rt_uint8_t *minor)
-{
-    RT_ASSERT(major != RT_NULL);
-    RT_ASSERT(minor != RT_NULL);
-
-    *major = cpu_usage_major;
-    *minor = cpu_usage_minor;
-}
-
-void cpu_usage_init()
-{
-    /* set idle thread hook */
-    rt_thread_idle_sethook(cpu_usage_idle_hook);
-}
-- 
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