osfmk/kern/telemetry.h

   1 /*
   2  * Copyright (c) 2012-2013 Apple 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 #ifndef _KERNEL_TELEMETRY_H_
  30 #define _KERNEL_TELEMETRY_H_
  31
  32 #include <stdint.h>
  33 #include <sys/cdefs.h>
  34 #include <mach/mach_types.h>
  35 #include <kern/thread.h>
  36
  37 __BEGIN_DECLS
  38
  39 extern volatile boolean_t telemetry_needs_record;
  40
  41 extern void telemetry_init(void);
  42
  43 extern void compute_telemetry(void *);
  44
  45 extern void telemetry_ast(thread_t, boolean_t interrupted_userspace, boolean_t io_telemetry);
  46
  47 extern int telemetry_gather(user_addr_t buffer, uint32_t *length, boolean_t mark);
  48
  49 extern void telemetry_mark_curthread(boolean_t interrupted_userspace);
  50
  51 extern void telemetry_task_ctl(task_t task, uint32_t reason, int enable_disable);
  52 extern void telemetry_task_ctl_locked(task_t task, uint32_t reason, int enable_disable);
  53 extern void telemetry_global_ctl(int enable_disable);
  54
  55 extern int telemetry_timer_event(uint64_t deadline, uint64_t interval, uint64_t leeway);
  56
  57 #define TELEMETRY_CMD_TIMER_EVENT 1
  58 #define TELEMETRY_CMD_VOUCHER_NAME 2
  59 #define TELEMETRY_CMD_VOUCHER_STAIN TELEMETRY_CMD_VOUCHER_NAME
  60
  61
  62 extern void bootprofile_init(void);
  63 extern void bootprofile_wake_from_sleep(void);
  64 extern void bootprofile_get(void **buffer, uint32_t *length);
  65 extern int bootprofile_gather(user_addr_t buffer, uint32_t *length);
  66
  67 __END_DECLS
  68
  69 #endif /* _KERNEL_TELEMETRY_H_ */