605 lines
14 KiB
C
605 lines
14 KiB
C
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/*++
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Copyright (c) 1998-2001 Microsoft Corporation
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Module Name:
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uri.c
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Abstract:
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Dumps URI Cache structures.
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Author:
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Michael Courage (mcourage) 19-May-1999
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Environment:
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User Mode.
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Revision History:
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--*/
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#include "precomp.h"
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#include "..\drv\hashfn.h"
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#include "..\drv\hashp.h"
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//
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// Private prototypes.
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//
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//
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// Public functions.
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//
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DECLARE_API( uriglob )
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/*++
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Routine Description:
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Dumps global URI Cache structures.
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Arguments:
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None.
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Return Value:
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None.
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--*/
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{
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ULONG_PTR address = 0;
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BOOL Enabled = FALSE;
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UL_URI_CACHE_CONFIG config;
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UL_URI_CACHE_STATS stats;
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// UL_URI_CACHE_TABLE table;
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ULONG_PTR dataAddress;
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UL_NONPAGED_DATA data;
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BOOL gotData = FALSE;
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CHAR uriCacheResource[MAX_RESOURCE_STATE_LENGTH];
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CHAR uriZombieResource[MAX_RESOURCE_STATE_LENGTH];
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SNAPSHOT_EXTENSION_DATA();
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//
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// Dump cache configuration.
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//
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address = GetExpression( "&http!g_UriCacheConfig" );
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if (address) {
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if (ReadMemory(
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address,
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&config,
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sizeof(config),
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NULL
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))
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{
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dprintf(
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"UL_URI_CACHE_CONFIG @ %p:\n"
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" EnableCache = %d\n"
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" MaxCacheUriCount = %d\n"
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" MaxCacheMegabyteCount = %d\n"
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" ScavengerPeriod = %d\n"
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" MaxUriBytes = %d\n"
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" HashTableBits = %d\n",
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address,
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config.EnableCache,
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config.MaxCacheUriCount,
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config.MaxCacheMegabyteCount,
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config.ScavengerPeriod,
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config.MaxUriBytes,
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config.HashTableBits
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);
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Enabled = config.EnableCache;
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} else {
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dprintf(
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"glob: cannot read memory for http!g_UriCacheConfig @ %p\n",
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address
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);
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}
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} else {
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dprintf(
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"uriglob: cannot find symbol for http!g_UriCacheConfig\n"
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);
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}
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if (!Enabled) {
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//
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// no point in going on..
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//
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return;
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}
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//
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// Dump Cache Statistics
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//
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address = GetExpression( "&http!g_UriCacheStats" );
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if (address) {
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if (ReadMemory(
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address,
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&stats,
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sizeof(stats),
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NULL
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))
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{
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dprintf(
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"\n"
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"UL_URI_CACHE_STATS @ %p:\n"
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" UriCount = %d\n"
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" UriCountMax = %d\n"
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" UriAddedTotal = %I64d\n"
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" ByteCount = %I64d\n"
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" ByteCountMax = %I64d\n"
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" ZombieCount = %d\n"
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" ZombieCountMax = %d\n"
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" HitCount = %d\n"
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" MissTableCount = %d\n"
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" MissPrecondtionCount = %d\n"
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" MissConfigCount = %d\n"
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"\n",
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address,
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stats.UriCount,
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stats.UriCountMax,
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stats.UriAddedTotal,
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stats.ByteCount,
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stats.ByteCountMax,
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stats.ZombieCount,
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stats.ZombieCountMax,
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stats.HitCount,
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stats.MissTableCount,
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stats.MissPreconditionCount,
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stats.MissConfigCount
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);
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} else {
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dprintf(
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"glob: cannot read memory for http!g_UriCacheStats @ %p\n",
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address
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);
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}
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} else {
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dprintf(
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"uriglob: cannot find symbol for http!g_UriCacheStats\n"
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);
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}
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//
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// Read in resource info from non-paged data
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//
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address = GetExpression( "&http!g_pUlNonpagedData" );
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if (address) {
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if (ReadMemory(
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address,
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&dataAddress,
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sizeof(dataAddress),
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NULL
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))
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{
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if (ReadMemory(
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dataAddress,
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&data,
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sizeof(data),
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NULL
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))
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{
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gotData = TRUE;
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} else {
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dprintf(
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"uriglob: cannot read memory for http!g_pUlNonpagedData = %p\n",
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dataAddress
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);
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}
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} else {
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dprintf(
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"uriglob: cannot read memory for http!g_pUlNonpagedData @ %p\n",
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address
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);
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}
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} else {
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dprintf(
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"uriglob: cannot find symbol for http!g_pUlNonpagedData\n"
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);
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}
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#if 0
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// BUGBUG: GeorgeRe must fix
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//
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// Dump table info.
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//
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if (gotData) {
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dprintf(
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"UriCacheResource @ %p (%s)\n",
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REMOTE_OFFSET( dataAddress, UL_NONPAGED_DATA, UriCacheResource ),
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BuildResourceState( &data.UriCacheResource, uriCacheResource )
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);
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}
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address = GetExpression("&http!g_pUriCacheTable");
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if (address) {
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if (ReadMemory(
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address,
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&dataAddress,
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sizeof(dataAddress),
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NULL
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))
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{
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if (ReadMemory(
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dataAddress,
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&table,
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sizeof(table),
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NULL
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))
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{
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dprintf(
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"UL_URI_CACHE_TABLE @ %p:\n"
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" UriCount = %d\n"
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" ByteCount = %d\n"
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" BucketCount = %d\n"
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" Buckets @ %p\n"
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"\n",
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dataAddress,
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table.UriCount,
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table.ByteCount,
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table.BucketCount,
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REMOTE_OFFSET( dataAddress, UL_URI_CACHE_TABLE, Buckets )
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);
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} else {
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dprintf(
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"uriglob: cannot read memory for http!g_pUriCacheTable = %p\n",
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dataAddress
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);
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}
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} else {
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dprintf(
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"uriglob: cannot read memory for http!g_pUriCacheTable @ %p\n",
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address
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);
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}
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} else {
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dprintf(
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"uriglob: cannot find symbol for http!g_pUriCacheTable\n"
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);
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}
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#endif
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//
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// Dump Zombie list info.
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//
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if (gotData) {
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dprintf(
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"UriZombieResource @ %p (%s)\n",
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REMOTE_OFFSET( dataAddress, UL_NONPAGED_DATA, UriZombieResource ),
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BuildResourceState( &data.UriZombieResource, uriZombieResource )
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);
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}
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dprintf(
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"g_ZombieListHead @ %p\n"
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"\n",
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GetExpression("&http!g_ZombieListHead")
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);
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//
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// Dump reftrace info
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//
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address = GetExpression("&http!g_UriTraceLog");
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if (address) {
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if (ReadMemory(
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address,
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&dataAddress,
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sizeof(dataAddress),
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NULL
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))
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{
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dprintf(
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"UL_URI_CACHE_ENTRY ref log: "
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"!ulkd.ref %x\n"
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"\n",
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dataAddress
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);
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}
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}
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} // uriglob
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DECLARE_API( uri )
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/*++
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Routine Description:
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Dumps a UL_URI_CACHE_ENTRY structure.
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Arguments:
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Address of structure
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Return Value:
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None.
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--*/
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{
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ULONG_PTR address = 0;
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CHAR star = 0;
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ULONG result;
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UL_URI_CACHE_ENTRY urientry;
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dprintf("BUGBUG: GeorgeRe needs to fix DumpAllUriEntries!\n");
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#if 0
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SNAPSHOT_EXTENSION_DATA();
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//
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// Snag the address from the command line.
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//
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address = GetExpression( args );
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if (address == 0)
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{
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sscanf( args, "%c", &star );
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if (star == '*') {
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DumpAllUriEntries();
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} else {
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PrintUsage( "uri" );
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}
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return;
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}
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//
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// Read the request header.
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//
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if (!ReadMemory(
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address,
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&urientry,
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sizeof(urientry),
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&result
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))
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{
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dprintf(
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"uri: cannot read UL_URI_CACHE_ENTRY @ %p\n",
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address
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);
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return;
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}
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//
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// Dump it.
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//
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DumpUriEntry(
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"",
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"uri: ",
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address,
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&urientry
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);
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#endif
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} // uri
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VOID
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AnalysisHashTable(
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IN ULONG_PTR RemoteAddress,
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IN ULONG TableSize,
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IN ULONG CacheLineSize
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)
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{
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ULONG_PTR address = 0;
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HASHBUCKET bucket;
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ULONG i;
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ULONG max, min, zeros, total;
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FLOAT avg, avg_nonzero;
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ULONG result;
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max = 0;
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min = ULONG_MAX;
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total = 0;
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zeros = 0;
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for (i = 0; i < TableSize; i++)
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{
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address = (ULONG_PTR)(RemoteAddress + (i * CacheLineSize));
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if (!ReadMemory(
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address,
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&bucket,
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sizeof(bucket),
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&result
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))
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{
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dprintf(
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"cannot read HASHBUCKET @ %p, i = %d\n",
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address,
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i
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);
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break;
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}
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total += (ULONG) bucket.Entries;
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if (bucket.Entries > max)
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{
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max = (ULONG) bucket.Entries;
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}
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if (bucket.Entries < min)
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{
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min = (ULONG) bucket.Entries;
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}
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if (bucket.Entries == 0)
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{
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++zeros;
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}
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|
}
|
||
|
|
|
||
|
|
avg = (FLOAT)total / (FLOAT)i;
|
||
|
|
avg_nonzero = (FLOAT)total / (FLOAT)(i - zeros);
|
||
|
|
|
||
|
|
dprintf(
|
||
|
|
"Total Entries = %d:\n"
|
||
|
|
"MAX Entries in a bucket = %d:\n"
|
||
|
|
"MIN Entries in a bucket = %d:\n"
|
||
|
|
"AVG Entries in a bucket = %f:\n"
|
||
|
|
"ZERO buckets = %d:\n"
|
||
|
|
"AVG NONZERO Entries in a bucket = %f:\n",
|
||
|
|
total,
|
||
|
|
max,
|
||
|
|
min,
|
||
|
|
avg,
|
||
|
|
zeros,
|
||
|
|
avg_nonzero
|
||
|
|
);
|
||
|
|
} // AnalysisHashTable
|
||
|
|
|
||
|
|
|
||
|
|
DECLARE_API( urihash )
|
||
|
|
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Dumps URI Cache Hash Table structures.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
None.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
None.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
{
|
||
|
|
ULONG_PTR address = 0;
|
||
|
|
ULONG_PTR address2 = 0;
|
||
|
|
ULONG_PTR address3 = 0;
|
||
|
|
HASHTABLE table;
|
||
|
|
ULONG tablesize;
|
||
|
|
ULONG cachelinesize;
|
||
|
|
|
||
|
|
SNAPSHOT_EXTENSION_DATA();
|
||
|
|
|
||
|
|
//
|
||
|
|
// Dump cache configuration.
|
||
|
|
//
|
||
|
|
address = GetExpression( "&http!g_UriCacheTable" );
|
||
|
|
if (address)
|
||
|
|
{
|
||
|
|
if (ReadMemory(
|
||
|
|
address,
|
||
|
|
&table,
|
||
|
|
sizeof(table),
|
||
|
|
NULL
|
||
|
|
))
|
||
|
|
{
|
||
|
|
dprintf(
|
||
|
|
"HASHTABLE @ %p:\n"
|
||
|
|
" Signature = %d\n"
|
||
|
|
" PoolType = %d\n"
|
||
|
|
" NumberOfBytes = %d\n"
|
||
|
|
" pAllocMem = %p\n"
|
||
|
|
" pBuckets = %p\n",
|
||
|
|
address,
|
||
|
|
table.Signature,
|
||
|
|
table.PoolType,
|
||
|
|
table.NumberOfBytes,
|
||
|
|
table.pAllocMem,
|
||
|
|
table.pBuckets
|
||
|
|
);
|
||
|
|
|
||
|
|
address2 = GetExpression( "&http!g_UlHashTableSize" );
|
||
|
|
|
||
|
|
if (address2)
|
||
|
|
{
|
||
|
|
if (ReadMemory(
|
||
|
|
address2,
|
||
|
|
&tablesize,
|
||
|
|
sizeof(tablesize),
|
||
|
|
NULL
|
||
|
|
))
|
||
|
|
{
|
||
|
|
address3 = GetExpression( "&http!g_UlCacheLineSize" );
|
||
|
|
|
||
|
|
if (address3)
|
||
|
|
{
|
||
|
|
if (ReadMemory(
|
||
|
|
address3,
|
||
|
|
&cachelinesize,
|
||
|
|
sizeof(cachelinesize),
|
||
|
|
NULL
|
||
|
|
))
|
||
|
|
{
|
||
|
|
AnalysisHashTable((ULONG_PTR)table.pBuckets, tablesize, cachelinesize);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
|
||
|
|
dprintf(
|
||
|
|
"urihash: cannot read memory for http!g_UlCacheLineSize @ %p\n",
|
||
|
|
address3
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
dprintf(
|
||
|
|
"urihash: cannot find symbol for http!g_UlCacheLineSize\n"
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
dprintf(
|
||
|
|
"urihash: cannot read memory for http!g_UlHashTableSize @ %p\n",
|
||
|
|
address2
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
dprintf(
|
||
|
|
"urihash: cannot find symbol for http!g_UlHashTableSize\n"
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
dprintf(
|
||
|
|
"urihash: cannot read memory for http!g_UriCacheTable @ %p\n",
|
||
|
|
address
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
dprintf(
|
||
|
|
"urihash: cannot find symbol for http!g_UriCacheTable\n"
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // urihash
|