diff options
| author | James Hogan <james.hogan@imgtec.com> | 2016-06-14 09:40:14 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-06-14 11:16:24 +0200 |
| commit | 93258604ab6d3f2bdc6cb02f61961af56712f144 (patch) | |
| tree | 999610e5e0d6bcb59b8a842344b1a1fd8b0669cd /arch/mips/kvm/trace.h | |
| parent | 9887d1c75ba2f210b403d536ab025d4b2b36fb57 (diff) | |
| download | linux-93258604ab6d3f2bdc6cb02f61961af56712f144.tar.bz2 | |
MIPS: KVM: Add guest mode switch trace events
Add a few trace events for entering and coming out of guest mode, as well
as re-entering it from a guest exit exception.
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: kvm@vger.kernel.org
Cc: linux-mips@linux-mips.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/mips/kvm/trace.h')
| -rw-r--r-- | arch/mips/kvm/trace.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/mips/kvm/trace.h b/arch/mips/kvm/trace.h index 7daf7474d6a6..aec1c43f2b44 100644 --- 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) +); + /* The first 32 exit reasons correspond to Cause.ExcCode */ #define KVM_TRACE_EXIT_INT 0 #define KVM_TRACE_EXIT_TLBMOD 1 |