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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2022, Athira Rajeev, IBM Corp.
*/
#include <stdio.h>
#include <sys/prctl.h>
#include <limits.h>
#include "../event.h"
#include "../sampling_tests/misc.h"
/*
* Testcase to ensure that using invalid event in generic
* event for PERF_TYPE_HARDWARE should fail
*/
static int generic_events_valid_test(void)
{
struct event event;
/* Check for platform support for the test */
SKIP_IF(platform_check_for_tests());
/* generic events is different in compat_mode */
SKIP_IF(check_for_generic_compat_pmu());
/*
* Invalid generic events in power10:
* - PERF_COUNT_HW_BUS_CYCLES
* - PERF_COUNT_HW_STALLED_CYCLES_FRONTEND
* - PERF_COUNT_HW_STALLED_CYCLES_BACKEND
* - PERF_COUNT_HW_REF_CPU_CYCLES
*/
if (PVR_VER(mfspr(SPRN_PVR)) == POWER10) {
event_init_opts(&event, PERF_COUNT_HW_CPU_CYCLES, PERF_TYPE_HARDWARE, "event");
FAIL_IF(event_open(&event));
event_close(&event);
event_init_opts(&event, PERF_COUNT_HW_INSTRUCTIONS,
PERF_TYPE_HARDWARE, "event");
FAIL_IF(event_open(&event));
event_close(&event);
event_init_opts(&event, PERF_COUNT_HW_CACHE_REFERENCES,
PERF_TYPE_HARDWARE, "event");
FAIL_IF(event_open(&event));
event_close(&event);
event_init_opts(&event, PERF_COUNT_HW_CACHE_MISSES, PERF_TYPE_HARDWARE, "event");
FAIL_IF(event_open(&event));
event_close(&event);
event_init_opts(&event, PERF_COUNT_HW_BRANCH_INSTRUCTIONS,
PERF_TYPE_HARDWARE, "event");
FAIL_IF(event_open(&event));
event_close(&event);
event_init_opts(&event, PERF_COUNT_HW_BRANCH_MISSES, PERF_TYPE_HARDWARE, "event");
FAIL_IF(event_open(&event));
event_close(&event);
event_init_opts(&event, PERF_COUNT_HW_BUS_CYCLES, PERF_TYPE_HARDWARE, "event");
FAIL_IF(!event_open(&event));
event_init_opts(&event, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND,
PERF_TYPE_HARDWARE, "event");
FAIL_IF(!event_open(&event));
event_init_opts(&event, PERF_COUNT_HW_STALLED_CYCLES_BACKEND,
PERF_TYPE_HARDWARE, "event");
FAIL_IF(!event_open(&event));
event_init_opts(&event, PERF_COUNT_HW_REF_CPU_CYCLES, PERF_TYPE_HARDWARE, "event");
FAIL_IF(!event_open(&event));
} else if (PVR_VER(mfspr(SPRN_PVR)) == POWER9) {
/*
* Invalid generic events in power9:
* - PERF_COUNT_HW_BUS_CYCLES
* - PERF_COUNT_HW_REF_CPU_CYCLES
*/
event_init_opts(&event, PERF_COUNT_HW_CPU_CYCLES, PERF_TYPE_HARDWARE, "event");
FAIL_IF(event_open(&event));
event_close(&event);
event_init_opts(&event, PERF_COUNT_HW_INSTRUCTIONS, PERF_TYPE_HARDWARE, "event");
FAIL_IF(event_open(&event));
event_close(&event);
event_init_opts(&event, PERF_COUNT_HW_CACHE_REFERENCES,
PERF_TYPE_HARDWARE, "event");
FAIL_IF(event_open(&event));
event_close(&event);
event_init_opts(&event, PERF_COUNT_HW_CACHE_MISSES, PERF_TYPE_HARDWARE, "event");
FAIL_IF(event_open(&event));
event_close(&event);
event_init_opts(&event, PERF_COUNT_HW_BRANCH_INSTRUCTIONS,
PERF_TYPE_HARDWARE, "event");
FAIL_IF(event_open(&event));
event_close(&event);
event_init_opts(&event, PERF_COUNT_HW_BRANCH_MISSES, PERF_TYPE_HARDWARE, "event");
FAIL_IF(event_open(&event));
event_close(&event);
event_init_opts(&event, PERF_COUNT_HW_BUS_CYCLES, PERF_TYPE_HARDWARE, "event");
FAIL_IF(!event_open(&event));
event_init_opts(&event, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND,
PERF_TYPE_HARDWARE, "event");
FAIL_IF(event_open(&event));
event_close(&event);
event_init_opts(&event, PERF_COUNT_HW_STALLED_CYCLES_BACKEND,
PERF_TYPE_HARDWARE, "event");
FAIL_IF(event_open(&event));
event_close(&event);
event_init_opts(&event, PERF_COUNT_HW_REF_CPU_CYCLES, PERF_TYPE_HARDWARE, "event");
FAIL_IF(!event_open(&event));
}
return 0;
}
int main(void)
{
return test_harness(generic_events_valid_test, "generic_events_valid_test");
}
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