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