git.saurik.com Git - apple/xnu.git/blame - osfmk/mach/resource

Commit	Line	Data
39037602 A	1	/*
	2	* Copyright (c) 2016 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	#include <mach/mach_types.defs> // mach_port_t
	30	#include <mach/clock_types.defs> // mach_timespec_t
	31
	32	#if KERNEL_USER
	33	import <mach/resource_monitors.h>;
	34	import <mach/clock_types.h>;
	35	#else
	36	import <System/mach/resource_monitors.h>;
	37	import <System/mach/clock_types.h>;
	38	#endif
	39
	40	// match struct proc.p_name / proc_name_t as of January 2016
	41	#define MAXCOMLEN 16
	42	type proc_name_t = array [2*MAXCOMLEN+1] of char;
	43	type posix_path_t = array [512] of char; // ?? can't compile w/1024?
	44	type resource_notify_flags_t = uint64_t;
	45
	46	/* The kernel sends the message, so we compile with KernelUser when
	47	building in the kernel. */
	48	subsystem
	49	#if KERNEL_USER
	50	KernelUser
	51	#endif
	52	resource_notify 827800; /* 'R''N'00 */
	53
	54	UserPrefix send_;
	55	ServerPrefix receive_;
	56
	57
	58	SimpleRoutine cpu_usage_violation(
	59	receiver : mach_port_t;
	60
	61	/* violator */
	62	procname : proc_name_t;
	63	pid : int;
	64	killed_proc_path : posix_path_t; /* filled in if fatal */
65
66	/* violation */
67	timestamp : mach_timespec_t; /* 32b time, see 25567702 */
68	observed_cpu_nsecs : int64_t;
69	observation_nsecs : int64_t; /* time it took to hit limit */
70
71	/* threshold crossed: calculated from proc_set_cpumon_params() */
72	cpu_nsecs_allowed : int64_t;
73	limit_window_nsecs : int64_t; /* over this period */
74
75	flags : resource_notify_flags_t
76	);
77
78	SimpleRoutine cpu_wakes_violation(
79	receiver : mach_port_t;
80
81	/* violator */
82	procname : proc_name_t;
83	pid : int;
84	killed_proc_path : posix_path_t; /* filled in if fatal */
85
86	/* violation */
87	timestamp : mach_timespec_t;
88	observed_cpu_wakes : int64_t;
89	observation_nsecs : int64_t; /* time it took to hit limit */
90
91	/* threshold crossed: calculated from proc_set_wakemon_params() */
92	cpu_wakes_allowed : int64_t;
93	limit_window_nsecs : int64_t; /* over this period */
94
95	flags : resource_notify_flags_t
96	);
97
98	SimpleRoutine disk_writes_violation(
99	receiver : mach_port_t;
100
101	/* violator */
102	procname : proc_name_t;
103	pid : int;
104	killed_proc_path : posix_path_t; /* filled in if fatal */
105
106	/* violation */
107	timestamp : mach_timespec_t;
108	observed_bytes_dirtied : int64_t;
109	observation_nsecs : int64_t; /* time it took to hit limit */
110
111	/* threshold */
112	bytes_dirtied_allowed : int64_t;
113	limit_window_nsecs : int64_t; /* over this period */
114
115	flags : resource_notify_flags_t
116	);