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