src/system/kernel/scheduler/scheduler_common.h

   1 /*
   2  * Copyright 2013, Paweł Dziepak, pdziepak@quarnos.org.
   3  * Copyright 2011, Ingo Weinhold, ingo_weinhold@gmx.de.
   4  * Distributed under the terms of the MIT License.
   5  */
   6 #ifndef KERNEL_SCHEDULER_COMMON_H
   7 #define KERNEL_SCHEDULER_COMMON_H
   8
   9
  10 #include <algorithm>
  11
  12 #include <debug.h>
  13 #include <kscheduler.h>
  14 #include <load_tracking.h>
  15 #include <smp.h>
  16 #include <thread.h>
  17 #include <user_debugger.h>
  18 #include <util/MinMaxHeap.h>
  19
  20 #include "RunQueue.h"
  21
  22
  23 //#define TRACE_SCHEDULER
  24 #ifdef TRACE_SCHEDULER
  25 #       define TRACE(...) dprintf_no_syslog(__VA_ARGS__)
  26 #else
  27 #       define TRACE(...) do { } while (false)
  28 #endif
  29
  30
  31 namespace Scheduler {
  32
  33
  34 class CPUEntry;
  35 class CoreEntry;
  36
  37 const int kLowLoad = kMaxLoad * 20 / 100;
  38 const int kTargetLoad = kMaxLoad * 55 / 100;
  39 const int kHighLoad = kMaxLoad * 70 / 100;
  40 const int kMediumLoad = (kHighLoad + kTargetLoad) / 2;
  41 const int kVeryHighLoad = (kMaxLoad + kHighLoad) / 2;
  42
  43 const int kLoadDifference = kMaxLoad * 20 / 100;
  44
  45 extern bool gSingleCore;
  46 extern bool gTrackCoreLoad;
  47 extern bool gTrackCPULoad;
  48
  49
  50 void init_debug_commands();
  51
  52
  53 }       // namespace Scheduler
  54
  55
  56 #endif  // KERNEL_SCHEDULER_COMMON_H
  57