1 #include <sys/prctl.h>
2 
3 constexpr int LOOP_COUNT = 100000000;
4 
5 void Function1() {
6   for (volatile int i = 0; i < LOOP_COUNT; ++i) {
7   }
8 }
9 
10 int main() {
11   // Run the test in an infinite loop, so if we profile the test manually, the process
12   // doesn't exit before we attach to it. This scheme also allows simpleperf to control
13   // how long to profile.
14   while (true) {
15     prctl(PR_SET_NAME, reinterpret_cast<unsigned long>("RUN_COMM1"), 0, 0, 0); // NOLINT
16     Function1();
17     prctl(PR_SET_NAME, reinterpret_cast<unsigned long>("RUN_COMM2"), 0, 0, 0); // NOLINT
18     Function1();
19   }
20   return 0;
21 }
22