1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
// SPDX-License-Identifier: GPL-2.0
#include "arch-tests.h"
#include "../util/topdown.h"
#include "evlist.h"
#include "parse-events.h"
#include "pmu.h"
#include "pmus.h"
static int event_cb(void *state, struct pmu_event_info *info)
{
char buf[256];
struct parse_events_error parse_err;
int *ret = state, err;
struct evlist *evlist = evlist__new();
struct evsel *evsel;
if (!evlist)
return -ENOMEM;
parse_events_error__init(&parse_err);
snprintf(buf, sizeof(buf), "%s/%s/", info->pmu->name, info->name);
err = parse_events(evlist, buf, &parse_err);
if (err) {
parse_events_error__print(&parse_err, buf);
*ret = TEST_FAIL;
}
parse_events_error__exit(&parse_err);
evlist__for_each_entry(evlist, evsel) {
bool fail = false;
bool p_core_pmu = evsel->pmu->type == PERF_TYPE_RAW;
const char *name = evsel__name(evsel);
if (strcasestr(name, "uops_retired.slots") ||
strcasestr(name, "topdown.backend_bound_slots") ||
strcasestr(name, "topdown.br_mispredict_slots") ||
strcasestr(name, "topdown.memory_bound_slots") ||
strcasestr(name, "topdown.bad_spec_slots") ||
strcasestr(name, "topdown.slots_p")) {
if (arch_is_topdown_slots(evsel) || arch_is_topdown_metrics(evsel))
fail = true;
} else if (strcasestr(name, "slots")) {
if (arch_is_topdown_slots(evsel) != p_core_pmu ||
arch_is_topdown_metrics(evsel))
fail = true;
} else if (strcasestr(name, "topdown")) {
if (arch_is_topdown_slots(evsel) ||
arch_is_topdown_metrics(evsel) != p_core_pmu)
fail = true;
} else if (arch_is_topdown_slots(evsel) || arch_is_topdown_metrics(evsel)) {
fail = true;
}
if (fail) {
pr_debug("Broken topdown information for '%s'\n", evsel__name(evsel));
*ret = TEST_FAIL;
}
}
evlist__delete(evlist);
return 0;
}
static int test__x86_topdown(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
{
int ret = TEST_OK;
struct perf_pmu *pmu = NULL;
if (!topdown_sys_has_perf_metrics())
return TEST_OK;
while ((pmu = perf_pmus__scan_core(pmu)) != NULL) {
if (perf_pmu__for_each_event(pmu, /*skip_duplicate_pmus=*/false, &ret, event_cb))
break;
}
return ret;
}
DEFINE_SUITE("x86 topdown", x86_topdown);
|
