tests/bench/atomic_add-bench.c

3 #include "qemu/host-utils.h"
28     " -n = number of threads\n"
29     " -m = use mutexes instead of atomic increments\n"
30     " -p = enable sync profiler\n"
31     " -d = duration in seconds\n"
32     " -r = range (will be rounded up to pow2)";
41  * From: https://en.wikipedia.org/wiki/Xorshift
42  * This is faster than rand_r(), and gives us a wider range (RAND_MAX is only
65         info->r = xorshift64star(info->r);  in thread_func()
66         index = info->r & (range - 1);  in thread_func()
110         info->r = (i + 1) ^ time(NULL);  in create_threads()