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KVM: MMU: trace mmio page fault

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Add tracepoints to trace mmio page fault

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Xiao Guangrong
2011-07-12 03:34:24 +08:00
committed by Avi Kivity
parent ce88decffd
commit 4f0226482d
4 changed files with 80 additions and 1 deletions
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23
arch/x86/kvm/trace.h
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@@ -698,6 +698,29 @@ TRACE_EVENT(kvm_emulate_insn,
#define trace_kvm_emulate_insn_start(vcpu) trace_kvm_emulate_insn(vcpu, 0)
#define trace_kvm_emulate_insn_failed(vcpu) trace_kvm_emulate_insn(vcpu, 1)
TRACE_EVENT(
vcpu_match_mmio,
TP_PROTO(gva_t gva, gpa_t gpa, bool write, bool gpa_match),
TP_ARGS(gva, gpa, write, gpa_match),
TP_STRUCT__entry(
__field(gva_t, gva)
__field(gpa_t, gpa)
__field(bool, write)
__field(bool, gpa_match)
),
TP_fast_assign(
__entry->gva = gva;
__entry->gpa = gpa;
__entry->write = write;
__entry->gpa_match = gpa_match
),
TP_printk("gva %#lx gpa %#llx %s %s", __entry->gva, __entry->gpa,
__entry->write ? "Write" : "Read",
__entry->gpa_match ? "GPA" : "GVA")
);
#endif /* _TRACE_KVM_H */
#undef TRACE_INCLUDE_PATH