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task_info.h
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1997-04-27
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/*
* Mach Operating System
* Copyright (c) 1993-1987 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
* HISTORY
* $Log: task_info.h,v $
* Revision 2.6 93/01/21 12:23:23 danner
* Introduced flavors for task_ras_control
* [93/01/19 16:35:26 bershad]
*
* Revision 2.5 93/01/14 17:47:48 danner
* Standardized include symbol name.
* [92/06/10 pds]
* 64bit cleanup.
* [92/12/01 af]
*
* Revision 2.4 91/05/14 17:00:41 mrt
* Correcting copyright
*
* Revision 2.3 91/02/05 17:36:25 mrt
* Changed to new Mach copyright
* [91/02/01 17:21:17 mrt]
*
* Revision 2.2 90/05/03 15:48:36 dbg
* Added TASK_THREAD_TIMES_INFO flavor.
* [90/04/03 dbg]
*
* Revision 2.1 89/08/03 16:04:49 rwd
* Created.
*
* Revision 2.3 89/02/25 18:41:06 gm0w
* Changes for cleanup.
*
* 15-Jan-88 David Golub (dbg) at Carnegie-Mellon University
* Created, based on old task_statistics.
*
*/
/*
* Machine-independent task information structures and definitions.
*
* The definitions in this file are exported to the user. The kernel
* will translate its internal data structures to these structures
* as appropriate.
*
*/
#ifndef _MACH_TASK_INFO_H_
#define _MACH_TASK_INFO_H_
#import <mach/machine/vm_types.h>
#import <mach/time_value.h>
/*
* Generic information structure to allow for expansion.
*/
typedef integer_t *task_info_t; /* varying array of int */
#define TASK_INFO_MAX (1024) /* maximum array size */
typedef integer_t task_info_data_t[TASK_INFO_MAX];
/*
* Currently defined information structures.
*/
#define TASK_BASIC_INFO 1 /* basic information */
struct task_basic_info {
integer_t suspend_count; /* suspend count for task */
integer_t base_priority; /* base scheduling priority */
vm_size_t virtual_size; /* number of virtual pages */
vm_size_t resident_size; /* number of resident pages */
time_value_t user_time; /* total user run time for
terminated threads */
time_value_t system_time; /* total system run time for
terminated threads */
};
typedef struct task_basic_info task_basic_info_data_t;
typedef struct task_basic_info *task_basic_info_t;
#define TASK_BASIC_INFO_COUNT \
(sizeof(task_basic_info_data_t) / sizeof(natural_t))
#define TASK_EVENTS_INFO 2 /* various event counts */
struct task_events_info {
natural_t faults; /* number of page faults */
natural_t zero_fills; /* number of zero fill pages */
natural_t reactivations; /* number of reactivated pages */
natural_t pageins; /* number of actual pageins */
natural_t cow_faults; /* number of copy-on-write faults */
natural_t messages_sent; /* number of messages sent */
natural_t messages_received; /* number of messages received */
};
typedef struct task_events_info task_events_info_data_t;
typedef struct task_events_info *task_events_info_t;
#define TASK_EVENTS_INFO_COUNT \
(sizeof(task_events_info_data_t) / sizeof(natural_t))
#define TASK_THREAD_TIMES_INFO 3 /* total times for live threads -
only accurate if suspended */
struct task_thread_times_info {
time_value_t user_time; /* total user run time for
live threads */
time_value_t system_time; /* total system run time for
live threads */
};
typedef struct task_thread_times_info task_thread_times_info_data_t;
typedef struct task_thread_times_info *task_thread_times_info_t;
#define TASK_THREAD_TIMES_INFO_COUNT \
(sizeof(task_thread_times_info_data_t) / sizeof(natural_t))
/*
* Flavor definitions for task_ras_control
*/
#define TASK_RAS_CONTROL_PURGE_ALL 0
#define TASK_RAS_CONTROL_PURGE_ONE 1
#define TASK_RAS_CONTROL_PURGE_ALL_AND_INSTALL_ONE 2
#define TASK_RAS_CONTROL_INSTALL_ONE 3
#endif /* _MACH_TASK_INFO_H_ */