1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #include <stdlib.h> 3 #include "../tests.h" 4 5 #define BENCH_RUNS 999999 6 7 static volatile int cnt; 8 9 static void brstack_bar(void) { 10 } /* return */ 11 12 static void brstack_foo(void) { 13 brstack_bar(); /* call */ 14 } /* return */ 15 16 static void brstack_bench(void) { 17 void (*brstack_foo_ind)(void) = brstack_foo; 18 19 if ((cnt++) % 3) /* branch (cond) */ 20 brstack_foo(); /* call */ 21 brstack_bar(); /* call */ 22 brstack_foo_ind(); /* call (ind) */ 23 } 24 25 static int brstack(int argc, const char **argv) 26 { 27 int num_loops = BENCH_RUNS; 28 29 if (argc > 0) 30 num_loops = atoi(argv[0]); 31 32 while (1) { 33 if ((cnt++) > num_loops) 34 break; 35 brstack_bench();/* call */ 36 } /* branch (uncond) */ 37 return 0; 38 } 39 40 DEFINE_WORKLOAD(brstack); 41