134 lines
2.9 KiB
C
134 lines
2.9 KiB
C
/*
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* Copyright 2014, Michael Ellerman, IBM Corp.
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* Licensed under GPLv2.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "ebb.h"
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/*
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* Test various attributes of the EBB event are enforced.
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*/
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int event_attributes(void)
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{
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struct event event, leader;
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SKIP_IF(!ebb_is_supported());
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event_init(&event, 0x1001e);
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event_leader_ebb_init(&event);
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/* Expected to succeed */
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FAIL_IF(event_open(&event));
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event_close(&event);
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event_init(&event, 0x001e); /* CYCLES - no PMC specified */
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event_leader_ebb_init(&event);
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/* Expected to fail, no PMC specified */
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FAIL_IF(event_open(&event) == 0);
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event_init(&event, 0x2001e);
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event_leader_ebb_init(&event);
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event.attr.exclusive = 0;
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/* Expected to fail, not exclusive */
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FAIL_IF(event_open(&event) == 0);
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event_init(&event, 0x3001e);
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event_leader_ebb_init(&event);
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event.attr.freq = 1;
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/* Expected to fail, sets freq */
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FAIL_IF(event_open(&event) == 0);
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event_init(&event, 0x4001e);
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event_leader_ebb_init(&event);
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event.attr.sample_period = 1;
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/* Expected to fail, sets sample_period */
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FAIL_IF(event_open(&event) == 0);
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event_init(&event, 0x1001e);
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event_leader_ebb_init(&event);
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event.attr.enable_on_exec = 1;
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/* Expected to fail, sets enable_on_exec */
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FAIL_IF(event_open(&event) == 0);
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event_init(&event, 0x1001e);
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event_leader_ebb_init(&event);
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event.attr.inherit = 1;
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/* Expected to fail, sets inherit */
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FAIL_IF(event_open(&event) == 0);
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event_init(&leader, 0x1001e);
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event_leader_ebb_init(&leader);
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FAIL_IF(event_open(&leader));
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event_init(&event, 0x20002);
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event_ebb_init(&event);
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/* Expected to succeed */
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FAIL_IF(event_open_with_group(&event, leader.fd));
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event_close(&leader);
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event_close(&event);
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event_init(&leader, 0x1001e);
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event_leader_ebb_init(&leader);
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FAIL_IF(event_open(&leader));
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event_init(&event, 0x20002);
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/* Expected to fail, event doesn't request EBB, leader does */
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FAIL_IF(event_open_with_group(&event, leader.fd) == 0);
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event_close(&leader);
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event_init(&leader, 0x1001e);
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event_leader_ebb_init(&leader);
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/* Clear the EBB flag */
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leader.attr.config &= ~(1ull << 63);
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FAIL_IF(event_open(&leader));
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event_init(&event, 0x20002);
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event_ebb_init(&event);
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/* Expected to fail, leader doesn't request EBB */
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FAIL_IF(event_open_with_group(&event, leader.fd) == 0);
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event_close(&leader);
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event_init(&leader, 0x1001e);
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event_leader_ebb_init(&leader);
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leader.attr.exclusive = 0;
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/* Expected to fail, leader isn't exclusive */
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FAIL_IF(event_open(&leader) == 0);
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event_init(&leader, 0x1001e);
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event_leader_ebb_init(&leader);
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leader.attr.pinned = 0;
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/* Expected to fail, leader isn't pinned */
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FAIL_IF(event_open(&leader) == 0);
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event_init(&event, 0x1001e);
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event_leader_ebb_init(&event);
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/* Expected to fail, not a task event */
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SKIP_IF(require_paranoia_below(1));
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FAIL_IF(event_open_with_cpu(&event, 0) == 0);
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return 0;
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}
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int main(void)
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{
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return test_harness(event_attributes, "event_attributes");
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}
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