osfmk/kperf/thread_samplers.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_THREAD_SAMPLERS_H
  30 #define KPERF_THREAD_SAMPLERS_H
  31
  32 #include <kperf/context.h>
  33
  34 /* legacy thread info */
  35 struct kperf_thread_info {
  36         uint64_t kpthi_pid;
  37         uint64_t kpthi_tid;
  38         uint64_t kpthi_dq_addr;
  39         uint64_t kpthi_runmode;
  40 };
  41
  42 void kperf_thread_info_sample(struct kperf_thread_info *,
  43                               struct kperf_context *);
  44 void kperf_thread_info_log(struct kperf_thread_info *);
  45
  46 /* scheduling information */
  47 struct kperf_thread_scheduling {
  48         uint64_t kpthsc_user_time;
  49         uint64_t kpthsc_system_time;
  50         unsigned int kpthsc_state;
  51         uint16_t kpthsc_base_priority;
  52         uint16_t kpthsc_sched_priority;
  53         unsigned int kpthsc_effective_qos : 3;
  54         unsigned int kpthsc_requested_qos : 3;
  55         unsigned int kpthsc_requested_qos_override : 3;
  56         unsigned int kpthsc_effective_latency_qos : 3;
  57 };
  58
  59 void kperf_thread_scheduling_sample(struct kperf_thread_scheduling *,
  60                                     struct kperf_context *);
  61 void kperf_thread_scheduling_log(struct kperf_thread_scheduling *);
  62
  63 /* thread snapshot information */
  64 struct kperf_thread_snapshot {
  65         uint64_t kpthsn_last_made_runnable_time;
  66         int16_t kpthsn_suspend_count;
  67         uint8_t kpthsn_io_tier;
  68         uint8_t kpthsn_flags;
  69 };
  70
  71 void kperf_thread_snapshot_sample(struct kperf_thread_snapshot *,
  72                                   struct kperf_context *);
  73 void kperf_thread_snapshot_log(struct kperf_thread_snapshot *);
  74
  75 /* libdispatch information */
  76 struct kperf_thread_dispatch {
  77         uint64_t kpthdi_dq_serialno;
  78 };
  79
  80 void kperf_thread_dispatch_sample(struct kperf_thread_dispatch *,
  81                                   struct kperf_context *);
  82 int kperf_thread_dispatch_pend(struct kperf_context *);
  83 void kperf_thread_dispatch_log(struct kperf_thread_dispatch *);
  84
  85 #endif /* !defined(KPERF_THREAD_SAMPLERS_H) */