1/*
2 * Copyright (c) 2011 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29/* XXX: still needed? just access directly? */
30
31#define TRIGGER_TYPE_TIMER (0)
32#define TRIGGER_TYPE_PMI   (1)
33#define TRIGGER_TYPE_TRACE (2)
34
35extern uint32_t kperf_get_thread_bits( thread_t thread );
36extern void     kperf_set_thread_bits( thread_t thread, uint32_t bits );
37extern void     kperf_set_thread_ast( thread_t thread );
38
39#define KPERF_SAMPLING_OFF 0
40#define KPERF_SAMPLING_ON  1
41#define KPERF_SAMPLING_SHUTDOWN 2
42
43extern int kperf_init(void);
44extern unsigned kperf_sampling_status(void);
45extern int kperf_sampling_enable(void);
46extern int kperf_sampling_disable(void);
47