134 lines
2.9 KiB
C
134 lines
2.9 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
|
/*
|
||
|
|
* Copyright 2014, Michael Ellerman, IBM Corp.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
#include "ebb.h"
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Test various attributes of the EBB event are enforced.
|
||
|
|
*/
|
||
|
|
int event_attributes(void)
|
||
|
|
{
|
||
|
|
struct event event, leader;
|
||
|
|
|
||
|
|
SKIP_IF(!ebb_is_supported());
|
||
|
|
|
||
|
|
event_init(&event, 0x1001e);
|
||
|
|
event_leader_ebb_init(&event);
|
||
|
|
/* Expected to succeed */
|
||
|
|
FAIL_IF(event_open(&event));
|
||
|
|
event_close(&event);
|
||
|
|
|
||
|
|
|
||
|
|
event_init(&event, 0x001e); /* CYCLES - no PMC specified */
|
||
|
|
event_leader_ebb_init(&event);
|
||
|
|
/* Expected to fail, no PMC specified */
|
||
|
|
FAIL_IF(event_open(&event) == 0);
|
||
|
|
|
||
|
|
|
||
|
|
event_init(&event, 0x2001e);
|
||
|
|
event_leader_ebb_init(&event);
|
||
|
|
event.attr.exclusive = 0;
|
||
|
|
/* Expected to fail, not exclusive */
|
||
|
|
FAIL_IF(event_open(&event) == 0);
|
||
|
|
|
||
|
|
|
||
|
|
event_init(&event, 0x3001e);
|
||
|
|
event_leader_ebb_init(&event);
|
||
|
|
event.attr.freq = 1;
|
||
|
|
/* Expected to fail, sets freq */
|
||
|
|
FAIL_IF(event_open(&event) == 0);
|
||
|
|
|
||
|
|
|
||
|
|
event_init(&event, 0x4001e);
|
||
|
|
event_leader_ebb_init(&event);
|
||
|
|
event.attr.sample_period = 1;
|
||
|
|
/* Expected to fail, sets sample_period */
|
||
|
|
FAIL_IF(event_open(&event) == 0);
|
||
|
|
|
||
|
|
|
||
|
|
event_init(&event, 0x1001e);
|
||
|
|
event_leader_ebb_init(&event);
|
||
|
|
event.attr.enable_on_exec = 1;
|
||
|
|
/* Expected to fail, sets enable_on_exec */
|
||
|
|
FAIL_IF(event_open(&event) == 0);
|
||
|
|
|
||
|
|
|
||
|
|
event_init(&event, 0x1001e);
|
||
|
|
event_leader_ebb_init(&event);
|
||
|
|
event.attr.inherit = 1;
|
||
|
|
/* Expected to fail, sets inherit */
|
||
|
|
FAIL_IF(event_open(&event) == 0);
|
||
|
|
|
||
|
|
|
||
|
|
event_init(&leader, 0x1001e);
|
||
|
|
event_leader_ebb_init(&leader);
|
||
|
|
FAIL_IF(event_open(&leader));
|
||
|
|
|
||
|
|
event_init(&event, 0x20002);
|
||
|
|
event_ebb_init(&event);
|
||
|
|
|
||
|
|
/* Expected to succeed */
|
||
|
|
FAIL_IF(event_open_with_group(&event, leader.fd));
|
||
|
|
event_close(&leader);
|
||
|
|
event_close(&event);
|
||
|
|
|
||
|
|
|
||
|
|
event_init(&leader, 0x1001e);
|
||
|
|
event_leader_ebb_init(&leader);
|
||
|
|
FAIL_IF(event_open(&leader));
|
||
|
|
|
||
|
|
event_init(&event, 0x20002);
|
||
|
|
|
||
|
|
/* Expected to fail, event doesn't request EBB, leader does */
|
||
|
|
FAIL_IF(event_open_with_group(&event, leader.fd) == 0);
|
||
|
|
event_close(&leader);
|
||
|
|
|
||
|
|
|
||
|
|
event_init(&leader, 0x1001e);
|
||
|
|
event_leader_ebb_init(&leader);
|
||
|
|
/* Clear the EBB flag */
|
||
|
|
leader.attr.config &= ~(1ull << 63);
|
||
|
|
|
||
|
|
FAIL_IF(event_open(&leader));
|
||
|
|
|
||
|
|
event_init(&event, 0x20002);
|
||
|
|
event_ebb_init(&event);
|
||
|
|
|
||
|
|
/* Expected to fail, leader doesn't request EBB */
|
||
|
|
FAIL_IF(event_open_with_group(&event, leader.fd) == 0);
|
||
|
|
event_close(&leader);
|
||
|
|
|
||
|
|
|
||
|
|
event_init(&leader, 0x1001e);
|
||
|
|
event_leader_ebb_init(&leader);
|
||
|
|
leader.attr.exclusive = 0;
|
||
|
|
/* Expected to fail, leader isn't exclusive */
|
||
|
|
FAIL_IF(event_open(&leader) == 0);
|
||
|
|
|
||
|
|
|
||
|
|
event_init(&leader, 0x1001e);
|
||
|
|
event_leader_ebb_init(&leader);
|
||
|
|
leader.attr.pinned = 0;
|
||
|
|
/* Expected to fail, leader isn't pinned */
|
||
|
|
FAIL_IF(event_open(&leader) == 0);
|
||
|
|
|
||
|
|
event_init(&event, 0x1001e);
|
||
|
|
event_leader_ebb_init(&event);
|
||
|
|
/* Expected to fail, not a task event */
|
||
|
|
SKIP_IF(require_paranoia_below(1));
|
||
|
|
FAIL_IF(event_open_with_cpu(&event, 0) == 0);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
return test_harness(event_attributes, "event_attributes");
|
||
|
|
}
|