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KVM: x86/mmu: Revert "Revert "KVM: MMU: show mmu_valid_gen in shadow page related tracepoints""

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Now that the fast invalidate mechanism has been reintroduced, restore
tracing of the generation number in shadow page tracepoints.

This reverts commit b59c4830ca.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2019-09-12 19:46:05 -07:00 committed by Paolo Bonzini
parent 92f58b5c01
commit dd6223c762
1 changed files with 12 additions and 9 deletions
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21
arch/x86/kvm/mmutrace.h
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@ -8,16 +8,18 @@
#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvmmmu
#define KVM_MMU_PAGE_FIELDS \
__field(__u64, gfn) \
__field(__u32, role) \
__field(__u32, root_count) \
#define KVM_MMU_PAGE_FIELDS \
__field(unsigned long, mmu_valid_gen) \
__field(__u64, gfn) \
__field(__u32, role) \
__field(__u32, root_count) \
__field(bool, unsync)
#define KVM_MMU_PAGE_ASSIGN(sp) \
__entry->gfn = sp->gfn; \
__entry->role = sp->role.word; \
__entry->root_count = sp->root_count; \
#define KVM_MMU_PAGE_ASSIGN(sp) \
__entry->mmu_valid_gen = sp->mmu_valid_gen; \
__entry->gfn = sp->gfn; \
__entry->role = sp->role.word; \
__entry->root_count = sp->root_count; \
__entry->unsync = sp->unsync;
#define KVM_MMU_PAGE_PRINTK() ({ \
@ -29,8 +31,9 @@
\
role.word = __entry->role; \
\
trace_seq_printf(p, "sp gfn %llx l%u %u-byte q%u%s %s%s" \
trace_seq_printf(p, "sp gen %lx gfn %llx l%u %u-byte q%u%s %s%s"\
" %snxe %sad root %u %s%c", \
__entry->mmu_valid_gen, \
__entry->gfn, role.level, \
role.gpte_is_8_bytes ? 8 : 4, \
role.quadrant, \