| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #include <stdlib.h> |
| 3 | #include <linux/compiler.h> |
| 4 | #include "../tests.h" |
| 5 | |
| 6 | /* We want to check these symbols in perf script */ |
| 7 | noinline void leaf(volatile int b); |
| 8 | noinline void parent(volatile int b); |
| 9 | |
| 10 | static volatile int a; |
| 11 | |
| 12 | noinline void leaf(volatile int b) |
| 13 | { |
| 14 | for (;;) |
| 15 | a += b; |
| 16 | } |
| 17 | |
| 18 | noinline void parent(volatile int b) |
| 19 | { |
| 20 | leaf(b); |
| 21 | } |
| 22 | |
| 23 | static int leafloop(int argc, const char **argv) |
| 24 | { |
| 25 | int c = 1; |
| 26 | |
| 27 | if (argc > 0) |
| 28 | c = atoi(argv[0]); |
| 29 | |
| 30 | parent(b: c); |
| 31 | return 0; |
| 32 | } |
| 33 | |
| 34 | DEFINE_WORKLOAD(leafloop); |
| 35 |