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KVM: x86/xen: Add CPL to Xen hypercall tracepoint

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Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
David Woodhouse 2022-11-14 12:48:57 -08:00 committed by Paolo Bonzini
parent 3ca9d84e72
commit c3f3719952
2 changed files with 10 additions and 7 deletions
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15
arch/x86/kvm/trace.h
View file

@ -113,12 +113,13 @@ TRACE_EVENT(kvm_hv_hypercall_done,
* Tracepoint for Xen hypercall.
*/
TRACE_EVENT(kvm_xen_hypercall,
TP_PROTO(unsigned long nr, unsigned long a0, unsigned long a1,
unsigned long a2, unsigned long a3, unsigned long a4,
unsigned long a5),
TP_ARGS(nr, a0, a1, a2, a3, a4, a5),
TP_PROTO(u8 cpl, unsigned long nr,
unsigned long a0, unsigned long a1, unsigned long a2,
unsigned long a3, unsigned long a4, unsigned long a5),
TP_ARGS(cpl, nr, a0, a1, a2, a3, a4, a5),
TP_STRUCT__entry(
__field(u8, cpl)
__field(unsigned long, nr)
__field(unsigned long, a0)
__field(unsigned long, a1)
@ -129,6 +130,7 @@ TRACE_EVENT(kvm_xen_hypercall,
),
TP_fast_assign(
__entry->cpl = cpl;
__entry->nr = nr;
__entry->a0 = a0;
__entry->a1 = a1;
@ -138,8 +140,9 @@ TRACE_EVENT(kvm_xen_hypercall,
__entry->a4 = a5;
),
TP_printk("nr 0x%lx a0 0x%lx a1 0x%lx a2 0x%lx a3 0x%lx a4 0x%lx a5 %lx",
__entry->nr, __entry->a0, __entry->a1, __entry->a2,
TP_printk("cpl %d nr 0x%lx a0 0x%lx a1 0x%lx a2 0x%lx a3 0x%lx a4 0x%lx a5 %lx",
__entry->cpl, __entry->nr,
__entry->a0, __entry->a1, __entry->a2,
__entry->a3, __entry->a4, __entry->a5)
);

2
arch/x86/kvm/xen.c
View file

@ -1256,7 +1256,7 @@ int kvm_xen_hypercall(struct kvm_vcpu *vcpu)
}
#endif
cpl = static_call(kvm_x86_get_cpl)(vcpu);
trace_kvm_xen_hypercall(input, params[0], params[1], params[2],
trace_kvm_xen_hypercall(cpl, input, params[0], params[1], params[2],
params[3], params[4], params[5]);
/*