xref: /OK3568_Linux_fs/kernel/tools/perf/tests/mem.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include "util/map_symbol.h"
3*4882a593Smuzhiyun #include "util/mem-events.h"
4*4882a593Smuzhiyun #include "util/symbol.h"
5*4882a593Smuzhiyun #include "linux/perf_event.h"
6*4882a593Smuzhiyun #include "util/debug.h"
7*4882a593Smuzhiyun #include "tests.h"
8*4882a593Smuzhiyun #include <string.h>
9*4882a593Smuzhiyun 
check(union perf_mem_data_src data_src,const char * string)10*4882a593Smuzhiyun static int check(union perf_mem_data_src data_src,
11*4882a593Smuzhiyun 		  const char *string)
12*4882a593Smuzhiyun {
13*4882a593Smuzhiyun 	char out[100];
14*4882a593Smuzhiyun 	char failure[100];
15*4882a593Smuzhiyun 	struct mem_info mi = { .data_src = data_src };
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun 	int n;
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun 	n = perf_mem__snp_scnprintf(out, sizeof out, &mi);
20*4882a593Smuzhiyun 	n += perf_mem__lvl_scnprintf(out + n, sizeof out - n, &mi);
21*4882a593Smuzhiyun 	scnprintf(failure, sizeof failure, "unexpected %s", out);
22*4882a593Smuzhiyun 	TEST_ASSERT_VAL(failure, !strcmp(string, out));
23*4882a593Smuzhiyun 	return 0;
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun 
test__mem(struct test * text __maybe_unused,int subtest __maybe_unused)26*4882a593Smuzhiyun int test__mem(struct test *text __maybe_unused, int subtest __maybe_unused)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun 	int ret = 0;
29*4882a593Smuzhiyun 	union perf_mem_data_src src;
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun 	memset(&src, 0, sizeof(src));
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun 	src.mem_lvl = PERF_MEM_LVL_HIT;
34*4882a593Smuzhiyun 	src.mem_lvl_num = 4;
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun 	ret |= check(src, "N/AL4 hit");
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun 	src.mem_remote = 1;
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun 	ret |= check(src, "N/ARemote L4 hit");
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun 	src.mem_lvl = PERF_MEM_LVL_MISS;
43*4882a593Smuzhiyun 	src.mem_lvl_num = PERF_MEM_LVLNUM_PMEM;
44*4882a593Smuzhiyun 	src.mem_remote = 0;
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun 	ret |= check(src, "N/APMEM miss");
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun 	src.mem_remote = 1;
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun 	ret |= check(src, "N/ARemote PMEM miss");
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun 	src.mem_snoopx = PERF_MEM_SNOOPX_FWD;
53*4882a593Smuzhiyun 	src.mem_lvl_num = PERF_MEM_LVLNUM_RAM;
54*4882a593Smuzhiyun 
55*4882a593Smuzhiyun 	ret |= check(src , "FwdRemote RAM miss");
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun 	return ret;
58*4882a593Smuzhiyun }
59