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
11static 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
29static 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
63DEFINE_SUITE("Test data source output", mem);