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