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authorAndres Lagar-Cavilla <andreslc@google.com>2014-09-23 12:34:54 -0700
committerPaolo Bonzini <pbonzini@redhat.com>2014-09-24 14:07:57 +0200
commit8a9522d2fe6a1b643d3aef5ab7f097f73c601e7a (patch)
tree1502f42e723797befbb4b8f8418fde14d01f385b /include/trace
parentc1118b3602c2329671ad5ec8bdf8e374323d6343 (diff)
downloadop-kernel-dev-8a9522d2fe6a1b643d3aef5ab7f097f73c601e7a.zip
op-kernel-dev-8a9522d2fe6a1b643d3aef5ab7f097f73c601e7a.tar.gz
kvm/x86/mmu: Pass gfn and level to rmapp callback.
Callbacks don't have to do extra computation to learn what the caller (lvm_handle_hva_range()) knows very well. Useful for debugging/tracing/printk/future. Signed-off-by: Andres Lagar-Cavilla <andreslc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/kvm.h16
1 files changed, 9 insertions, 7 deletions
diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
index ab679c3..6edf1f2 100644
--- a/include/trace/events/kvm.h
+++ b/include/trace/events/kvm.h
@@ -225,24 +225,26 @@ TRACE_EVENT(kvm_fpu,
);
TRACE_EVENT(kvm_age_page,
- TP_PROTO(ulong hva, struct kvm_memory_slot *slot, int ref),
- TP_ARGS(hva, slot, ref),
+ TP_PROTO(ulong gfn, int level, struct kvm_memory_slot *slot, int ref),
+ TP_ARGS(gfn, level, slot, ref),
TP_STRUCT__entry(
__field( u64, hva )
__field( u64, gfn )
+ __field( u8, level )
__field( u8, referenced )
),
TP_fast_assign(
- __entry->hva = hva;
- __entry->gfn =
- slot->base_gfn + ((hva - slot->userspace_addr) >> PAGE_SHIFT);
+ __entry->gfn = gfn;
+ __entry->level = level;
+ __entry->hva = ((gfn - slot->base_gfn) <<
+ PAGE_SHIFT) + slot->userspace_addr;
__entry->referenced = ref;
),
- TP_printk("hva %llx gfn %llx %s",
- __entry->hva, __entry->gfn,
+ TP_printk("hva %llx gfn %llx level %u %s",
+ __entry->hva, __entry->gfn, __entry->level,
__entry->referenced ? "YOUNG" : "OLD")
);
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