From: Christian Ehrhardt <[EMAIL PROTECTED]>
This patch adds trace points for the instruction emulation on embedded powerpc
utilizing the KVM_TRACE interface.
The userspace portion to map and analyze the new ppc trace records will follow
soon.
Signed-off-by: Christian Ehrhardt <[EMAIL PROTECTED]>
---
[diffstat]
arch/powerpc/kvm/emulate.c | 4 ++++
include/linux/kvm.h | 1 +
2 files changed, 5 insertions(+)
[diff]
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -769,6 +769,10 @@
break;
}
+ KVMTRACE_4D(PPC_INSTR, vcpu,
+ inst, vcpu->arch.pc, emulated,
+ (__u32)current_kernel_time().tv_nsec, entryexit);
+
if (advance)
vcpu->arch.pc += 4; /* Advance past emulated instruction. */
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -473,5 +473,6 @@
#define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16)
#define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17)
#define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18)
+#define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19)
#endif
--
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