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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2022, Athira Rajeev, IBM Corp.
*/
#include <stdio.h>
#include "../event.h"
#include "../sampling_tests/misc.h"
#define EventCode_1 0x35340401e0
#define EventCode_2 0x353c0101ec
#define EventCode_3 0x35340101ec
/*
* Test that using different sample bits in
* event code cause failure in schedule for
* group of events.
*/
static int group_constraint_mmcra_sample(void)
{
struct event event, leader;
SKIP_IF(platform_check_for_tests());
/*
* Events with different "sample" field values
* in a group will fail to schedule.
* Use event with load only sampling mode as
* group leader. Use event with store only sampling
* as sibling event.
*/
event_init(&leader, EventCode_1);
FAIL_IF(event_open(&leader));
event_init(&event, EventCode_2);
/* Expected to fail as sibling event doesn't use same sampling bits as leader */
FAIL_IF(!event_open_with_group(&event, leader.fd));
event_init(&event, EventCode_3);
/* Expected to pass as sibling event use same sampling bits as leader */
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_mmcra_sample, "group_constraint_mmcra_sample");
}
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