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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2022, Athira Rajeev, IBM Corp.
*/
#include <stdio.h>
#include "../event.h"
#include <sys/prctl.h>
#include <limits.h>
#include "../sampling_tests/misc.h"
/*
* Testcase for group constraint check for
* Performance Monitor Counter 5 (PMC5) and also
* Performance Monitor Counter 6 (PMC6).
* Test that pmc5/6 is excluded from constraint
* check when scheduled along with group of events.
*/
static int group_pmc56_exclude_constraints(void)
{
struct event *e, events[3];
int i;
/* Check for platform support for the test */
SKIP_IF(platform_check_for_tests());
/*
* PMC5/6 is excluded from constraint bit
* check along with group of events. Use
* group of events with PMC5, PMC6 and also
* event with cache bit (dc_ic) set. Test expects
* this set of events to go in as a group.
*/
e = &events[0];
event_init(e, 0x500fa);
e = &events[1];
event_init(e, 0x600f4);
e = &events[2];
event_init(e, 0x22C040);
FAIL_IF(event_open(&events[0]));
/*
* The event_open will fail if constraint check fails.
* Since we are asking for events in a group and since
* PMC5/PMC6 is excluded from group constraints, even_open
* should pass.
*/
for (i = 1; i < 3; i++)
FAIL_IF(event_open_with_group(&events[i], events[0].fd));
for (i = 0; i < 3; i++)
event_close(&events[i]);
return 0;
}
int main(void)
{
return test_harness(group_pmc56_exclude_constraints, "group_pmc56_exclude_constraints");
}
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