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| author | Alexander Graf <agraf@suse.de> | 2010-08-02 11:06:26 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 10:52:00 +0200 |
| commit | bed1ed9860d3744cc6488831fa5672d5c7aff4be (patch) | |
| tree | 72aa499b692d2c1e136dfcac03f6028c697e4946 /arch/powerpc/kvm/trace.h | |
| parent | 55438cc751c32cfafac52938403a86069e25b1bf (diff) | |
| download | blackbird-op-linux-bed1ed9860d3744cc6488831fa5672d5c7aff4be.tar.gz blackbird-op-linux-bed1ed9860d3744cc6488831fa5672d5c7aff4be.zip | |
KVM: PPC: Move EXIT_DEBUG partially to tracepoints
We have a debug printk on every exit that is usually #ifdef'ed out. Using
tracepoints makes a lot more sense here though, as they can be dynamically
enabled.
This patch converts the most commonly used debug printks of EXIT_DEBUG to
tracepoints.
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm/trace.h')
| -rw-r--r-- | arch/powerpc/kvm/trace.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/trace.h b/arch/powerpc/kvm/trace.h index a8e840018052..b5e9d81a1ea2 100644 --- a/arch/powerpc/kvm/trace.h +++ b/arch/powerpc/kvm/trace.h @@ -98,6 +98,57 @@ TRACE_EVENT(kvm_gtlb_write, __entry->word1, __entry->word2) ); + +/************************************************************************* + * Book3S trace points * + *************************************************************************/ + +#ifdef CONFIG_PPC_BOOK3S + +TRACE_EVENT(kvm_book3s_exit, + TP_PROTO(unsigned int exit_nr, struct kvm_vcpu *vcpu), + TP_ARGS(exit_nr, vcpu), + + TP_STRUCT__entry( + __field( unsigned int, exit_nr ) + __field( unsigned long, pc ) + __field( unsigned long, msr ) + __field( unsigned long, dar ) + __field( unsigned long, srr1 ) + ), + + TP_fast_assign( + __entry->exit_nr = exit_nr; + __entry->pc = kvmppc_get_pc(vcpu); + __entry->dar = kvmppc_get_fault_dar(vcpu); + __entry->msr = vcpu->arch.shared->msr; + __entry->srr1 = to_svcpu(vcpu)->shadow_srr1; + ), + + TP_printk("exit=0x%x | pc=0x%lx | msr=0x%lx | dar=0x%lx | srr1=0x%lx", + __entry->exit_nr, __entry->pc, __entry->msr, __entry->dar, + __entry->srr1) +); + +TRACE_EVENT(kvm_book3s_reenter, + TP_PROTO(int r, struct kvm_vcpu *vcpu), + TP_ARGS(r, vcpu), + + TP_STRUCT__entry( + __field( unsigned int, r ) + __field( unsigned long, pc ) + ), + + TP_fast_assign( + __entry->r = r; + __entry->pc = kvmppc_get_pc(vcpu); + ), + + TP_printk("reentry r=%d | pc=0x%lx", __entry->r, __entry->pc) +); + +#endif /* CONFIG_PPC_BOOK3S */ + #endif /* _TRACE_KVM_H */ /* This part must be outside protection */ |
