From: Alexander Yarygin <yary...@linux.vnet.ibm.com>
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 <yary...@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntrae...@de.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.h...@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntrae...@de.ibm.com>
---
arch/s390/kvm/trace.h | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/arch/s390/kvm/trace.h b/arch/s390/kvm/trace.h
index 00f57a5..579b42a 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))
);
/*
--
1.8.4.2
--
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