KVM: x86/mmu: Add tracepoint for splitting huge pages

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Add a tracepoint that records whenever KVM eagerly splits a huge page
and the error status of the split to indicate if it succeeded or failed
and why.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: David Matlack <dmatlack@google.com>
Message-Id: <20220119230739.2234394-18-dmatlack@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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David Matlack 2022-01-19 23:07:38 +00:00 • committed by Paolo Bonzini

parent cb00a70bd4

commit e0b728b1f1

2 changed files with 30 additions and 3 deletions

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23

arch/x86/kvm/mmu/mmutrace.h

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10

arch/x86/kvm/mmu/tdp_mmu.c

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