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MIPS: KVM: Combine entry trace events into class 

Combine the kvm_enter, kvm_reenter and kvm_out trace events into a
single kvm_transition event class to reduce duplication and bloat.

Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Fixes: 93258604ab ("MIPS: KVM: Add guest mode switch trace events")
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
James Hogan 2016-06-17 18:19:40 +01:00 committed by Paolo Bonzini
parent 87aeb54f1b
commit fb6cec1492
1 changed files with 20 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
arch/mips/kvm/trace.h
View File

@ -20,50 +20,32 @@
/*
* Tracepoints for VM enters
*/
TRACE_EVENT(kvm_enter,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu),
TP_STRUCT__entry(
__field(unsigned long, pc)
),
DECLARE_EVENT_CLASS(kvm_transition,
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_fast_assign(
__entry->pc = vcpu->arch.pc;
),
TP_printk("PC: 0x%08lx",
__entry->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)
),
DEFINE_EVENT(kvm_transition, kvm_enter,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu));
TP_fast_assign(
__entry->pc = vcpu->arch.pc;
),
DEFINE_EVENT(kvm_transition, kvm_reenter,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu));
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)
);
DEFINE_EVENT(kvm_transition, kvm_out,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu));
/* The first 32 exit reasons correspond to Cause.ExcCode */
#define KVM_TRACE_EXIT_INT 0