osfmk/kperf/sample.h

   1 /*
   2  * Copyright (c) 2011 Apple Computer, 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 KPERF_SAMPLE_H
  30 #define KPERF_SAMPLE_H
  31
  32 #include <kperf/thread_samplers.h>
  33 #include <kperf/task_samplers.h>
  34 #include "callstack.h"
  35 #include "kperf_kpc.h"
  36 #include "meminfo.h"
  37
  38 /*
  39  * For data that must be sampled in a fault-able context.
  40  */
  41 struct kperf_usample {
  42         struct kperf_thread_dispatch th_dispatch;
  43         struct kp_ucallstack ucallstack;
  44         struct kperf_thread_info th_info;
  45 };
  46
  47 struct kperf_sample {
  48         struct kperf_thread_info       th_info;
  49         struct kperf_thread_scheduling th_scheduling;
  50         struct kperf_thread_snapshot   th_snapshot;
  51
  52         struct kperf_task_snapshot tk_snapshot;
  53
  54         struct kp_kcallstack kcallstack;
  55         struct meminfo     meminfo;
  56
  57         struct kperf_usample usample;
  58
  59 #if KPC
  60         struct kpcdata    kpcdata;
  61 #endif /* KPC */
  62
  63 #if DEVELOPMENT || DEBUG
  64         uint64_t sample_time;
  65 #endif /* DEVELOPMENT || DEBUG */
  66 };
  67
  68 /* cache of threads on each CPU during a timer fire */
  69 extern uint64_t *kperf_tid_on_cpus;
  70
  71 #endif /* !defined(KPERF_SAMPLE_H) */