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1// SPDX-License-Identifier: GPL-2.02#include "arch-tests.h"3#include "linux/perf_event.h"4#include "tests/tests.h"5#include "pmu.h"6#include "pmus.h"7#include "../perf-sys.h"8#include "debug.h"9 10#define NR_SUB_TESTS 511 12static struct sub_tests {13 int type;14 unsigned long config;15 bool valid;16} sub_tests[NR_SUB_TESTS] = {17 { PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES, true },18 { PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS, false },19 { PERF_TYPE_RAW, 0x076, true },20 { PERF_TYPE_RAW, 0x0C1, true },21 { PERF_TYPE_RAW, 0x012, false },22};23 24static int event_open(int type, unsigned long config)25{26 struct perf_event_attr attr;27 28 memset(&attr, 0, sizeof(struct perf_event_attr));29 attr.type = type;30 attr.size = sizeof(struct perf_event_attr);31 attr.config = config;32 attr.disabled = 1;33 attr.precise_ip = 1;34 attr.sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID;35 attr.sample_period = 100000;36 37 return sys_perf_event_open(&attr, -1, 0, -1, 0);38}39 40int test__amd_ibs_via_core_pmu(struct test_suite *test __maybe_unused,41 int subtest __maybe_unused)42{43 struct perf_pmu *ibs_pmu;44 int ret = TEST_OK;45 int fd, i;46 47 ibs_pmu = perf_pmus__find("ibs_op");48 if (!ibs_pmu)49 return TEST_SKIP;50 51 for (i = 0; i < NR_SUB_TESTS; i++) {52 fd = event_open(sub_tests[i].type, sub_tests[i].config);53 pr_debug("type: 0x%x, config: 0x%lx, fd: %d - ", sub_tests[i].type,54 sub_tests[i].config, fd);55 if ((sub_tests[i].valid && fd == -1) ||56 (!sub_tests[i].valid && fd > 0)) {57 pr_debug("Fail\n");58 ret = TEST_FAIL;59 } else {60 pr_debug("Pass\n");61 }62 63 if (fd > 0)64 close(fd);65 }66 67 return ret;68}69