telemetry.h   [plain text]

/*
 * Copyright (c) 2012-2013 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
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 */

#ifndef _KERNEL_TELEMETRY_H_
#define _KERNEL_TELEMETRY_H_

#include <stdint.h>
#include <sys/cdefs.h>
#include <mach/mach_types.h>
#include <kern/thread.h>

__BEGIN_DECLS

extern volatile boolean_t telemetry_needs_record;
extern volatile boolean_t telemetry_window_enabled;

extern void telemetry_init(void);

extern void compute_telemetry(void *);
extern void compute_telemetry_windowed(void);

extern void telemetry_ast(thread_t, boolean_t interrupted_userspace, boolean_t is_windowed);

extern int telemetry_gather(user_addr_t buffer, uint32_t *length, boolean_t mark);
extern int telemetry_gather_windowed(user_addr_t buffer, uint32_t *length);

extern void telemetry_mark_curthread(boolean_t interrupted_userspace);

extern void telemetry_task_ctl(task_t task, uint32_t reason, int enable_disable);
extern void telemetry_task_ctl_locked(task_t task, uint32_t reason, int enable_disable);
extern void telemetry_global_ctl(int enable_disable);

extern kern_return_t telemetry_enable_window(void);
extern void telemetry_disable_window(void);

extern int telemetry_timer_event(uint64_t deadline, uint64_t interval, uint64_t leeway);

#define TELEMETRY_CMD_TIMER_EVENT 1
#define TELEMETRY_CMD_VOUCHER_NAME 2
#define TELEMETRY_CMD_VOUCHER_STAIN TELEMETRY_CMD_VOUCHER_NAME


extern void bootprofile_init(void);
extern void bootprofile_wake_from_sleep(void);
extern int bootprofile_gather(user_addr_t buffer, uint32_t *length);

__END_DECLS

#endif /* _KERNEL_TELEMETRY_H_ */