diff options
| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2012-07-23 17:20:29 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2012-07-26 14:04:34 +0300 |
| commit | 5786fffa96ae7c3f8111e29fb62e073a45efc557 (patch) | |
| tree | d9a8301a36a822b82ae3d4d14b1cb640df686ec2 /arch/s390/kvm/kvm-s390.c | |
| parent | 9b7fb990e080f3a7c5dff9a829d11247e629b98f (diff) | |
KVM: s390: Add architectural trace events
Add trace events for several s390 architecture specifics:
- SIE entry/exit
- common intercepts
- common instructions (sigp/diagnose)
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/s390/kvm/kvm-s390.c')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index d470ccbfabae..4613602e123e 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -32,6 +32,9 @@ #include "kvm-s390.h" #include "gaccess.h" +#define CREATE_TRACE_POINTS +#include "trace.h" + #define VCPU_STAT(x) offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU struct kvm_stats_debugfs_item debugfs_entries[] = { @@ -607,18 +610,22 @@ static int __vcpu_run(struct kvm_vcpu *vcpu) local_irq_enable(); VCPU_EVENT(vcpu, 6, "entering sie flags %x", atomic_read(&vcpu->arch.sie_block->cpuflags)); + trace_kvm_s390_sie_enter(vcpu, + atomic_read(&vcpu->arch.sie_block->cpuflags)); rc = sie64a(vcpu->arch.sie_block, vcpu->run->s.regs.gprs); if (rc) { if (kvm_is_ucontrol(vcpu->kvm)) { rc = SIE_INTERCEPT_UCONTROL; } else { VCPU_EVENT(vcpu, 3, "%s", "fault in sie instruction"); + trace_kvm_s390_sie_fault(vcpu); kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); rc = 0; } } VCPU_EVENT(vcpu, 6, "exit sie icptcode %d", vcpu->arch.sie_block->icptcode); + trace_kvm_s390_sie_exit(vcpu, vcpu->arch.sie_block->icptcode); local_irq_disable(); kvm_guest_exit(); local_irq_enable(); |