Gentle ping on my below doubt... Thanks, Best Regards, Dipen Patel On 3/31/21 7:06 PM, Dipen Patel wrote: > Hi, > > I was following https://rt.wiki.kernel.org/index.php/Threaded_RT-application_with_memory_locking_and_stack_handling_example with some below changes: > > 1. Added 8 threads > 2. Moved show_new_pagefault_count logic inside thread function once thread starts running as below: > > thread_fn { > > getrusage(RUSAGE_SELF, &usage); > > print and save usage.ruminflt; > > prove_thread_stack_use_is_safe > > getrusage(RUSAGE_SELF, &usage); > > print usage.ruminflt - last_saved_cnt; > } > > I observed there are still page faults (although not in big numbers as if there was no mlock), after touching stack in prove_thread_stack_use_is_safe call. I played around with MY_STACK_SIZE (from 1KB to 1MB) but still see minor page faults. > > I am running 4.9.201_rt134 kernel. Any idea what I will be missing? > > Best Regards, > Dipen Patel >
