hung_task_all_cpu_backtrace( topic related to CPUs dumping their backtraces )

ABOUT hung_task_all_cpu_backtrace If this option is set, the kernel will send an NMI to all CPUs to dump their backtraces when a hung task is detected. This file shows up if CONFIG_DETECT_HUNG_TASK and CONFIG_SMP are enabled. 0: Won’t show all CPUs backtraces when a hung task is detected. This is the default behavior 1: Will …

true and false

A UNIX Command $true $echo $? 0 $false $echo $? 1 $ UNIX Explanation true – do nothing, successfully exit with a status code indicating success. false – do nothing, unsuccessfully exit with a status code indicating failure. Related Source Code Exposition int main (int argc, char **argv) { if (argc == 2) { initialize_main …