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arm linux中如何获取某个函数执行的cycle数
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arm linux中如何获取某个函数执行的cycle数
siman
over 9 years ago
编写汇编后，我想对比想C和汇编的时间，网上查了下看了很多说是用clock_gettime(CLOCK_REALTIME, &time_start);获取时间，我想直接获取函数执行的周期数该怎么办？