In the code, to calculate the cpu limit, if the value of /cgroup/cpu/cpu.cfs_period_us is 0, the program will generate the signal SIGFPE. Should we protect this by checking the value of period.first?

code:

The error information:

Program received signal SIGFPE, Arithmetic exception.
0x000000000042d2d5 in ParseCPUFromCGroup() () at ./src/util.cc:650
650       return quota.first / period.first;