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Benchmark code

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jaseg 2017-08-15 15:57:33 +02:00
parent 9eb92caa6c
commit a18b197ac4
2 changed files with 24 additions and 7 deletions
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14
fw/main.c
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@ -245,12 +245,13 @@ int main(void) {
RCC->CFGR |= (2<<RCC_CFGR_SW_Pos);
SystemCoreClockUpdate();
SysTick_Config(SystemCoreClock/1000); /* 1ms interval */
NVIC_DisableIRQ(SysTick_IRQn);
//SysTick_Config(SystemCoreClock/1000); /* 1ms interval */
//NVIC_DisableIRQ(SysTick_IRQn);
SysTick->VAL = 0U;
SysTick->LOAD = 0x00FFFFFF;
SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | SysTick_CTRL_ENABLE_Msk;
while (42) {
static int tick __attribute__((used));
static int cvr __attribute__((used));
tick = sys_time;
static unsigned int cvr __attribute__((used));
cvr = SysTick->VAL;
//if (fb_op == FB_FORMAT) {
transpose_data(rx_buf, write_fb);
@ -259,8 +260,7 @@ int main(void) {
// while (fb_op == FB_UPDATE)
// ;
//}
tick = sys_time - tick;
cvr = SysTick->VAL - cvr;
cvr = cvr - SysTick->VAL;
asm volatile ("bkpt");
}
//LL_Init1msTick(SystemCoreClock);

17
fw/measure_transpose_performance.gdb Normal file
View file

@ -0,0 +1,17 @@
target remote localhost:3333
file main.elf
load
set print pretty on
set pagination off
cont
print cvr/50.0F
cont
print cvr/50.0F
cont
print cvr/50.0F
cont
print cvr/50.0F
cont
print cvr/50.0F
cont
quit