FreeBSD/Linux Kernel Cross Reference
sys/mach/task_info.h

     /* 
      * 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_
    
    #include <mach/machine/vm_types.h>
    #include <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_ */
   

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