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