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
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