wrk内核详细源代码

/*++

Copyright （c） Microsoft Corporation. All rights reserved. 

You may only use this code if you agree to the terms of the Windows Research Kernel Source Code License agreement （see License.txt）.
If you do not agree to the terms do not use the code.


Module Name:

    cachedat.c

Abstract:

    This module implements the Memory Management based cache management
    routines for the common Cache subsystem.

--*/

#include “cc.h“

//
//  Global SharedCacheMap lists and resource to synchronize access to it.
//
//

// extern KSPIN_LOCK CcMasterSpinLock;
LIST_ENTRY CcCleanSharedCacheMapList;
SHARED_CACHE_MAP_LIST_CURSOR CcDirtySharedCacheMapList;
SHARED_CACHE_MAP_LIST_CURSOR CcLazyWriterCursor;

//
//  Worker thread structures:
//
//      A spinlock to synchronize all three lists.
//      A count of the number of worker threads Cc will use
//      A count of the number of worker threads Cc in use
//      A listhead for preinitialized executive work items for Cc use.
//      A listhead for an express queue of WORK_QUEUE_ENTRYs
//      A listhead for a regular queue of WORK_QUEUE_ENTRYs
//      A listhead for a post-tick queue of WORK_QUEUE_ENTRYs
//
//      A flag indicating if we are throttling the queue to a single thread
//

// extern KSPIN_LOCK CcWorkQueueSpinLock;
ULONG CcNumberWorkerThreads = 0;
ULONG CcNumberActiveWorkerThreads = 0;
LIST_ENTRY CcIdleWorkerThreadList;
LIST_ENTRY CcExpressWorkQueue;
LIST_ENTRY CcRegularWorkQueue;
LIST_ENTRY CcPostTickWorkQueue;

BOOLEAN CcQueueThrottle = FALSE;

//
//  Store the current idle delay and target time to clean all.  We must calculate
//  the idle delay in terms of clock ticks for the lazy writer timeout.
//

ULONG CcIdleDelayTick;
LARGE_INTEGER CcNoDelay;
LARGE_INTEGER CcFirstDelay = {（ULONG）-（3*LAZY_WRITER_IDLE_DELAY） -1};
LARGE_INTEGER CcIdleDelay = {（ULONG）-LAZY_WRITER_IDLE_DELAY -1};
LARGE_INTEGER CcCollisionDelay = {（ULONG）-LAZY_WRITER_COLLISION_DELAY -1};
LARGE_INTEGER CcTargetCleanDelay = {（ULONG）-（LONG）（LAZY_WRITER_IDLE_DELAY * （LAZY_WRITER_MAX_AGE_TARGET + 1）） -1};

//
//  Spinlock for controlling access to Vacb and related global structures
//  and a counter indicating how many Vcbs are active.
//

// extern KSPIN_LOCK CcVacbSpinLock;
ULONG_PTR CcNumberVacbs;

//
//  Pointer to the global Vacb vector.
//

PVACB CcVacbs;
PVACB CcBeyondVacbs;
LIST_ENTRY CcVacbLru;
LIST_ENTRY CcVacbFreeList;
ULONG CcMaxVacbLevelsSeen = 1;
ULONG CcVacbLevelEntries = 0;
PVACB *CcVacbLevelFreeList = NULL;
ULONG CcVacbLevelWithBcbsEntries = 0;
PVACB *CcVacbLevelWithBcbsFreeList = NULL;

//
//  Deferred write list and respective Thresholds
//

extern ALIGNED_SPINLOCK CcDeferredWriteSpinLock;
LIST_ENTRY CcDeferredWrites;
ULONG CcDirtyPageThreshold;
ULONG CcDirtyPageTarget;
ULONG CcPagesYetToWrite;
ULONG CcPagesWrittenLastTime = 0;
ULONG CcDirtyPagesLastScan = 0;
ULONG CcAvailablePagesThreshold = 100;
ULONG Cc

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       5166  2007-01-25 03:03  wrk.part11wrklicense.txt

     文件       7212  2007-01-25 03:04  wrk.part11wrk
eadme.txt

     文件       3477  2007-01-25 03:54  wrk.part11wrkwrk-v1.2aseinc
tdlltrc.h

     文件       2526  2007-01-25 03:11  wrk.part11wrkwrk-v1.2ase
tosuildmakefile

     文件       2670  2007-01-25 03:11  wrk.part11wrkwrk-v1.2ase
tosuildmakefile.build

     文件       3776  2007-01-25 04:25  wrk.part11wrkwrk-v1.2ase
tosuildprebuiltamd64ootvid.lib

     文件      14690  2007-01-25 04:25  wrk.part11wrkwrk-v1.2ase
tosuildprebuiltamd64hal.lib

     文件       1502  2007-01-25 04:24  wrk.part11wrkwrk-v1.2ase
tosuildprebuiltamd64hotpatch.obj

     文件       3066  2007-01-25 04:24  wrk.part11wrkwrk-v1.2ase
tosuildprebuiltamd64kdcom.lib

     文件      10324  2007-01-25 04:25  wrk.part11wrkwrk-v1.2ase
tosuildprebuiltamd64
tosarch.lib

     文件     111364  2007-01-25 04:25  wrk.part11wrkwrk-v1.2ase
tosuildprebuiltamd64
toskrnl.res

     文件    6085318  2006-11-29 20:23  wrk.part11wrkwrk-v1.2ase
tosuildprebuiltamd64
toswrk.lib

     文件     861318  2007-01-25 04:34  wrk.part11wrkwrk-v1.2ase
tosuildprebuiltamd64sdbapint.lib

     文件       3964  2007-01-25 04:25  wrk.part11wrkwrk-v1.2ase
tosuildprebuilti386ootvid.lib

     文件      22822  2007-01-25 04:25  wrk.part11wrkwrk-v1.2ase
tosuildprebuilti386hal.lib

     文件       3188  2007-01-25 04:25  wrk.part11wrkwrk-v1.2ase
tosuildprebuilti386kdcom.lib

     文件       6808  2007-01-25 04:25  wrk.part11wrkwrk-v1.2ase
tosuildprebuilti386
tosarch.lib

     文件     109028  2007-01-25 04:27  wrk.part11wrkwrk-v1.2ase
tosuildprebuilti386
toskrnl.res

     文件    3396854  2007-01-25 05:09  wrk.part11wrkwrk-v1.2ase
tosuildprebuilti386
toswrk.lib

     文件     742500  2007-01-25 04:31  wrk.part11wrkwrk-v1.2ase
tosuildprebuilti386sdbapint.lib

     文件        512  2007-01-25 04:26  wrk.part11wrkwrk-v1.2ase
tosuildprebuilti386stub512.com

     文件       4086  2007-01-25 03:11  wrk.part11wrkwrk-v1.2ase
tosuildwarning.h

     文件        607  2007-01-25 04:26  wrk.part11wrkwrk-v1.2ase
toscacheuildmakefile

     文件       4606  2007-01-25 03:11  wrk.part11wrkwrk-v1.2ase
toscachecachedat.c

     文件     219458  2007-01-25 03:14  wrk.part11wrkwrk-v1.2ase
toscachecachesub.c

     文件      58261  2007-01-25 03:12  wrk.part11wrkwrk-v1.2ase
toscachecc.h

     文件       2934  2007-01-25 03:12  wrk.part11wrkwrk-v1.2ase
toscacheccperf.c

     文件      71010  2007-01-25 03:12  wrk.part11wrkwrk-v1.2ase
toscachecopysup.c

     文件     125283  2007-01-25 03:14  wrk.part11wrkwrk-v1.2ase
toscachefssup.c

     文件      32211  2007-01-25 03:13  wrk.part11wrkwrk-v1.2ase
toscachelazyrite.c

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