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// SPDX-License-Identifier: GPL-2.0
#include "arch-tests.h"
#include "linux/perf_event.h"
#include "tests/tests.h"
#include "pmu.h"
#include "pmus.h"
#include "../perf-sys.h"
#include "debug.h"
#define NR_SUB_TESTS 5
static struct sub_tests {
int type;
unsigned long config;
bool valid;
} sub_tests[NR_SUB_TESTS] = {
{ PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES, true },
{ PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS, false },
{ PERF_TYPE_RAW, 0x076, true },
{ PERF_TYPE_RAW, 0x0C1, true },
{ PERF_TYPE_RAW, 0x012, false },
};
static int event_open(int type, unsigned long config)
{
struct perf_event_attr attr;
memset(&attr, 0, sizeof(struct perf_event_attr));
attr.type = type;
attr.size = sizeof(struct perf_event_attr);
attr.config = config;
attr.disabled = 1;
attr.precise_ip = 1;
attr.sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID;
attr.sample_period = 100000;
return sys_perf_event_open(&attr, -1, 0, -1, 0);
}
int test__amd_ibs_via_core_pmu(struct test_suite *test __maybe_unused,
int subtest __maybe_unused)
{
struct perf_pmu *ibs_pmu;
int ret = TEST_OK;
int fd, i;
ibs_pmu = perf_pmus__find("ibs_op");
if (!ibs_pmu)
return TEST_SKIP;
for (i = 0; i < NR_SUB_TESTS; i++) {
fd = event_open(sub_tests[i].type, sub_tests[i].config);
pr_debug("type: 0x%x, config: 0x%lx, fd: %d - ", sub_tests[i].type,
sub_tests[i].config, fd);
if ((sub_tests[i].valid && fd == -1) ||
(!sub_tests[i].valid && fd > 0)) {
pr_debug("Fail\n");
ret = TEST_FAIL;
} else {
pr_debug("Pass\n");
}
if (fd > 0)
close(fd);
}
return ret;
}
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