| same behavior if you strip away the function call and call syscall() directly inside the for() loop: for (i = 0; i < qtd; i++) { start = RDTSC(); syscall(SYS_getpid); end = RDTSC(); printf("%lld\n", (end - start)); } I do not have the source code for syscall() available ATM but I would look into that to see if something there looks like it may be caching information Enrico Granata Computer Science & Engineering Department (EBU3B) - Room 3240 office phone 858 534 9914 University of California, San Diego On Feb 25, 2011, at 2:06 PM, Daniel Baluta wrote:
|
_______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
