[PATCH 04/46] KVM: Trace apic registers using their symbolic names

From: Avi Kivity
Date: Sun Aug 23 2009 - 08:07:31 EST


Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
arch/x86/kvm/trace.h | 14 ++++++++++++--
1 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index cd8c90d..6c2c87f 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -111,6 +111,15 @@ TRACE_EVENT(kvm_cpuid,
__entry->rbx, __entry->rcx, __entry->rdx)
);

+#define AREG(x) { APIC_##x, "APIC_" #x }
+
+#define kvm_trace_symbol_apic \
+ AREG(ID), AREG(LVR), AREG(TASKPRI), AREG(ARBPRI), AREG(PROCPRI), \
+ AREG(EOI), AREG(RRR), AREG(LDR), AREG(DFR), AREG(SPIV), AREG(ISR), \
+ AREG(TMR), AREG(IRR), AREG(ESR), AREG(ICR), AREG(ICR2), AREG(LVTT), \
+ AREG(LVTTHMR), AREG(LVTPC), AREG(LVT0), AREG(LVT1), AREG(LVTERR), \
+ AREG(TMICT), AREG(TMCCT), AREG(TDCR), AREG(SELF_IPI), AREG(EFEAT), \
+ AREG(ECTRL)
/*
* Tracepoint for apic access.
*/
@@ -130,9 +139,10 @@ TRACE_EVENT(kvm_apic,
__entry->val = val;
),

- TP_printk("apic_%s 0x%x = 0x%x",
+ TP_printk("apic_%s %s = 0x%x",
__entry->rw ? "write" : "read",
- __entry->reg, __entry->val)
+ __print_symbolic(__entry->reg, kvm_trace_symbol_apic),
+ __entry->val)
);

#define trace_kvm_apic_read(reg, val) trace_kvm_apic(0, reg, val)
--
1.6.4.1

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