On Tue, 14 Jun 2016 09:40:14 +0100
James Hogan <james.hogan@xxxxxxxxxx> wrote:
> --- a/arch/mips/kvm/trace.h
> +++ b/arch/mips/kvm/trace.h
> @@ -17,6 +17,54 @@
> #define TRACE_INCLUDE_PATH .
> #define TRACE_INCLUDE_FILE trace
>
> +/*
> + * Tracepoints for VM enters
> + */
> +TRACE_EVENT(kvm_enter,
> + TP_PROTO(struct kvm_vcpu *vcpu),
> + TP_ARGS(vcpu),
> + TP_STRUCT__entry(
> + __field(unsigned long, pc)
> + ),
> +
> + TP_fast_assign(
> + __entry->pc = vcpu->arch.pc;
> + ),
> +
> + TP_printk("PC: 0x%08lx",
> + __entry->pc)
> +);
> +
> +TRACE_EVENT(kvm_reenter,
> + TP_PROTO(struct kvm_vcpu *vcpu),
> + TP_ARGS(vcpu),
> + TP_STRUCT__entry(
> + __field(unsigned long, pc)
> + ),
> +
> + TP_fast_assign(
> + __entry->pc = vcpu->arch.pc;
> + ),
> +
> + TP_printk("PC: 0x%08lx",
> + __entry->pc)
> +);
> +
> +TRACE_EVENT(kvm_out,
> + TP_PROTO(struct kvm_vcpu *vcpu),
> + TP_ARGS(vcpu),
> + TP_STRUCT__entry(
> + __field(unsigned long, pc)
> + ),
> +
> + TP_fast_assign(
> + __entry->pc = vcpu->arch.pc;
> + ),
> +
> + TP_printk("PC: 0x%08lx",
> + __entry->pc)
> +);
Please combine the above TRACE_EVENT()s to use a single
DECLARE_EVENT_CLASS() and three DEFINE_EVENT()s.
-- Steve
> +
> /* The first 32 exit reasons correspond to Cause.ExcCode */
> #define KVM_TRACE_EXIT_INT 0
> #define KVM_TRACE_EXIT_TLBMOD 1
