Hi Shaopeng, On 9/13/2022 6:51 PM, Shaopeng Tan wrote: ... > @@ -218,11 +219,11 @@ int cat_perf_miss_val(int cpu_no, int n, char *cache_type) > } > } > close(pipefd[0]); > - kill(bm_pid, SIGKILL); > } > > - if (bm_pid) > - umount_resctrlfs(); > +out: > + kill(bm_pid, SIGKILL); > + umount_resctrlfs(); > >From what I can tell both parent and child will now run this code. So both will attempt to unmount resctrl fs and the child will attempt to kill PID 0? Reinette
