Kernel Pool Monitor – the GUI Version

September 14, 2016

The Windows Driver Kit (WDK) comes with a well known and pretty old tool called PoolMon. PoolMon shows kernel allocations done with ExAllocatePoolWithTag, where the pool type is typically Paged or NonPaged and each allocations is attached by a ‘tag’ – a four byte value that should indicate the component making the allocation. This is useful for finding memory leaks, since kernel memory is never automatically freed (as opposed to user mode processes). If a kernel component or driver sees its tag with increasing memory consumption – that would indicate a leak (unless it’s a transient burst of allocations...
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