// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright 2022, Athira Rajeev, IBM Corp.
 */

#include <stdio.h>
#include "../event.h"
#include "../sampling_tests/misc.h"

/* The processor's L1 data cache was reloaded */
#define EventCode1 0x21C040
#define EventCode2 0x22C040

/*
 * Testcase for group constraint check
 * when using events with same PMC.
 * Multiple events in a group shouldn't
 * ask for same PMC. If so it should fail.
 */

static int group_constraint_repeat(void)
{
        struct event event, leader;

        /* Check for platform support for the test */
        SKIP_IF(platform_check_for_tests());

        /*
         * Two events in a group using same PMC
         * should fail to get scheduled. Usei same PMC2
         * for leader and sibling event which is expected
         * to fail.
         */
        event_init(&leader, EventCode1);
        FAIL_IF(event_open(&leader));

        event_init(&event, EventCode1);

        /* Expected to fail since sibling event is requesting same PMC as leader */
        FAIL_IF(!event_open_with_group(&event, leader.fd));

        event_init(&event, EventCode2);

        /* Expected to pass since sibling event is requesting different PMC */
        FAIL_IF(event_open_with_group(&event, leader.fd));

        event_close(&leader);
        event_close(&event);

        return 0;
}

int main(void)
{
        return test_harness(group_constraint_repeat, "group_constraint_repeat");
}