From 9887d1c75ba2f210b403d536ab025d4b2b36fb57 Mon Sep 17 00:00:00 2001 From: James Hogan Date: Tue, 14 Jun 2016 09:40:13 +0100 Subject: MIPS: KVM: Add kvm_asid_change trace event MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add a trace event for guest ASID changes, replacing the existing kvm_debug call. Signed-off-by: James Hogan Cc: Paolo Bonzini Cc: Radim Krčmář Cc: Ralf Baechle Cc: Steven Rostedt Cc: Ingo Molnar Cc: kvm@vger.kernel.org Cc: linux-mips@linux-mips.org Signed-off-by: Paolo Bonzini --- arch/mips/kvm/trace.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'arch/mips/kvm/trace.h') diff --git a/arch/mips/kvm/trace.h b/arch/mips/kvm/trace.h index ffa6ee8f2025..7daf7474d6a6 100644 --- a/arch/mips/kvm/trace.h +++ b/arch/mips/kvm/trace.h @@ -122,6 +122,28 @@ TRACE_EVENT(kvm_aux, __entry->pc) ); +TRACE_EVENT(kvm_asid_change, + TP_PROTO(struct kvm_vcpu *vcpu, unsigned int old_asid, + unsigned int new_asid), + TP_ARGS(vcpu, old_asid, new_asid), + TP_STRUCT__entry( + __field(unsigned long, pc) + __field(u8, old_asid) + __field(u8, new_asid) + ), + + TP_fast_assign( + __entry->pc = vcpu->arch.pc; + __entry->old_asid = old_asid; + __entry->new_asid = new_asid; + ), + + TP_printk("PC: 0x%08lx old: 0x%02x new: 0x%02x", + __entry->pc, + __entry->old_asid, + __entry->new_asid) +); + #endif /* _TRACE_KVM_H */ /* This part must be outside protection */ -- cgit v1.2.3