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>
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 60da903..ed256fd 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -20,6 +20,7 @@
#include <asm/sysinfo.h>
#include "gaccess.h"
#include "kvm-s390.h"
+#include "trace.h"
static int handle_set_prefix(struct kvm_vcpu *vcpu)
{
@@ -59,6 +60,7 @@
kvm_s390_set_prefix(vcpu, address);
VCPU_EVENT(vcpu, 5, "setting prefix to %x", address);
+ trace_kvm_s390_handle_prefix(vcpu, 1, address);
out:
return 0;
}
@@ -91,6 +93,7 @@
}
VCPU_EVENT(vcpu, 5, "storing prefix to %x", address);
+ trace_kvm_s390_handle_prefix(vcpu, 0, address);
out:
return 0;
}
@@ -119,6 +122,7 @@
}
VCPU_EVENT(vcpu, 5, "storing cpu address to %llx", useraddr);
+ trace_kvm_s390_handle_stap(vcpu, useraddr);
out:
return 0;
}
@@ -164,9 +168,11 @@
&facility_list, sizeof(facility_list));
if (rc == -EFAULT)
kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
- else
+ else {
VCPU_EVENT(vcpu, 5, "store facility list value %x",
facility_list);
+ trace_kvm_s390_handle_stfl(vcpu, facility_list);
+ }
return 0;
}
@@ -278,6 +284,7 @@
kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
goto out_mem;
}
+ trace_kvm_s390_handle_stsi(vcpu, fc, sel1, sel2, operand2);
free_page(mem);
vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44);
vcpu->run->s.regs.gprs[0] = 0;