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authorAlexander Yarygin <yarygin@linux.vnet.ibm.com>2014-01-30 22:13:40 +0400
committerChristian Borntraeger <borntraeger@de.ibm.com>2014-05-16 14:57:27 +0200
commitd26b8655f088ac6e972fd8f016b8dfa7cc1b9e5a (patch)
tree74f80cc36320df3ff92a94148a51a261475948a9 /arch/s390/kvm
parent05db1f6e037e43c1509ffb1912848269c0826c62 (diff)
downloadlinux-d26b8655f088ac6e972fd8f016b8dfa7cc1b9e5a.tar.bz2
KVM: s390: Use intercept_insn decoder in trace event
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>
Diffstat (limited to 'arch/s390/kvm')
-rw-r--r--arch/s390/kvm/trace.h7
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/s390/kvm/trace.h b/arch/s390/kvm/trace.h
index 00f57a507ea2..579b42afab40 100644
--- a/arch/s390/kvm/trace.h
+++ b/arch/s390/kvm/trace.h
@@ -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))
);
/*