1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/compiler.h> 3 #include <linux/bitmap.h> 4 #include <perf/cpumap.h> 5 #include <internal/cpumap.h> 6 #include "tests.h" 7 #include "debug.h" 8 9 #define NBITS 100 10 11 static unsigned long *get_bitmap(const char *str, int nbits) 12 { 13 struct perf_cpu_map *map = perf_cpu_map__new(str); 14 unsigned long *bm; 15 16 bm = bitmap_zalloc(nbits); 17 18 if (map && bm) { 19 int i; 20 struct perf_cpu cpu; 21 22 perf_cpu_map__for_each_cpu(cpu, i, map) 23 __set_bit(cpu.cpu, bm); 24 } 25 26 perf_cpu_map__put(map); 27 return bm; 28 } 29 30 static int test_bitmap(const char *str) 31 { 32 unsigned long *bm = get_bitmap(str, NBITS); 33 char buf[100]; 34 int ret; 35 36 bitmap_scnprintf(bm, NBITS, buf, sizeof(buf)); 37 pr_debug("bitmap: %s\n", buf); 38 39 ret = !strcmp(buf, str); 40 free(bm); 41 return ret; 42 } 43 44 static int test__bitmap_print(struct test_suite *test __maybe_unused, int subtest __maybe_unused) 45 { 46 TEST_ASSERT_VAL("failed to convert map", test_bitmap("1")); 47 TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,5")); 48 TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3,5,7,9,11,13,15,17,19,21-40")); 49 TEST_ASSERT_VAL("failed to convert map", test_bitmap("2-5")); 50 TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3-6,8-10,24,35-37")); 51 TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3-6,8-10,24,35-37")); 52 TEST_ASSERT_VAL("failed to convert map", test_bitmap("1-10,12-20,22-30,32-40")); 53 return 0; 54 } 55 56 DEFINE_SUITE("Print bitmap", bitmap_print); 57