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(buf: failure, size: sizeof failure, fmt: "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(data_src: src, string: "N/AL4 hit" ); |
37 | |
38 | src.mem_remote = 1; |
39 | |
40 | ret |= check(data_src: src, string: "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(data_src: src, string: "N/APMEM miss" ); |
47 | |
48 | src.mem_remote = 1; |
49 | |
50 | ret |= check(data_src: src, string: "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(data_src: src , string: "FwdRemote RAM miss" ); |
56 | |
57 | return ret; |
58 | } |
59 | |
60 | DEFINE_SUITE("Test data source output" , mem); |
61 | |