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
