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KVM: s390: Use intercept_insn decoder in trace event

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The current trace definition doesn't work very well with the perf tool.
Perf shows a "insn_to_mnemonic not found" message. Let's handle the
decoding completely in a parseable format.

Signed-off-by: Alexander Yarygin <yarygin@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Alexander Yarygin 2014-01-30 22:13:40 +04:00 committed by Christian Borntraeger
parent 05db1f6e03
commit d26b8655f0
1 changed files with 2 additions and 5 deletions
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7
arch/s390/kvm/trace.h
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@ -154,7 +154,6 @@ TRACE_EVENT(kvm_s390_intercept_instruction,
TP_STRUCT__entry(
VCPU_FIELD_COMMON
__field(__u64, instruction)
__field(char, insn[8])
),
TP_fast_assign(
@ -165,10 +164,8 @@ TRACE_EVENT(kvm_s390_intercept_instruction,
VCPU_TP_PRINTK("intercepted instruction %016llx (%s)",
__entry->instruction,
insn_to_mnemonic((unsigned char *)
&__entry->instruction,
__entry->insn, sizeof(__entry->insn)) ?
"unknown" : __entry->insn)
__print_symbolic(icpt_insn_decoder(__entry->instruction),
icpt_insn_codes))
);
/*