1 // SPDX-License-Identifier: GPL-2.0 2 #include "util/map_symbol.h" 3 #include "util/mem-events.h" 4 #include "util/mem-info.h" 5 #include "util/symbol.h" 6 #include "linux/perf_event.h" 7 #include "util/debug.h" 8 #include "tests.h" 9 #include <string.h> 10 11 static int check(union perf_mem_data_src data_src, 12 const char *string) 13 { 14 char out[100]; 15 char failure[100]; 16 struct mem_info *mi = mem_info__new(); 17 int n; 18 19 TEST_ASSERT_VAL("Memory allocation failed", mi); 20 *mem_info__data_src(mi) = data_src; 21 n = perf_mem__snp_scnprintf(out, sizeof out, mi); 22 n += perf_mem__lvl_scnprintf(out + n, sizeof out - n, mi); 23 mem_info__put(mi); 24 scnprintf(failure, sizeof failure, "unexpected %s", out); 25 TEST_ASSERT_VAL(failure, !strcmp(string, out)); 26 return 0; 27 } 28 29 static int test__mem(struct test_suite *text __maybe_unused, int subtest __maybe_unused) 30 { 31 int ret = 0; 32 union perf_mem_data_src src; 33 34 memset(&src, 0, sizeof(src)); 35 36 src.mem_lvl = PERF_MEM_LVL_HIT; 37 src.mem_lvl_num = 4; 38 39 ret |= check(src, "N/AL4 hit"); 40 41 src.mem_remote = 1; 42 43 ret |= check(src, "N/ARemote L4 hit"); 44 45 src.mem_lvl = PERF_MEM_LVL_MISS; 46 src.mem_lvl_num = PERF_MEM_LVLNUM_PMEM; 47 src.mem_remote = 0; 48 49 ret |= check(src, "N/APMEM miss"); 50 51 src.mem_remote = 1; 52 53 ret |= check(src, "N/ARemote PMEM miss"); 54 55 src.mem_snoopx = PERF_MEM_SNOOPX_FWD; 56 src.mem_lvl_num = PERF_MEM_LVLNUM_RAM; 57 58 ret |= check(src , "FwdRemote RAM miss"); 59 60 return ret; 61 } 62 63 DEFINE_SUITE("Test data source output", mem); 64