On 18/06/2021 10:25, wangqia...@sugon.com wrote:
1. Is it a bug?
static inline CPU_Counter_ticks _CPU_Counter_difference(
CPU_Counter_ticks second,
CPU_Counter_ticks first)
{
return second - first;
}
The CPU_Counter_ticks is an unsigned integer, so t
Hello,
When reading profiling code, I found function
'_CPU_Counter_difference' may overflow, and it will result in
'per_cpu->max_interrupt_time' become a wrong larger value.
If a cpu counter is 32bit, and it's resolution is 800ns, the counter
will overflow every 3436 seconds(_CPU_Counte
