KVM: fix tracing kvm_try_async_get_page
Tracing 'async' and *pfn is useless, since 'async' is always true,
and '*pfn' is always "fault_pfn'
We can trace 'gva' and 'gfn' instead, it can help us to see the
life-cycle of an async_pf
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
index c86f4e8..d94d6c3 100644
--- a/include/trace/events/kvm.h
+++ b/include/trace/events/kvm.h
@@ -218,18 +218,20 @@
#ifdef CONFIG_KVM_ASYNC_PF
TRACE_EVENT(
kvm_try_async_get_page,
- TP_PROTO(bool async, u64 pfn),
- TP_ARGS(async, pfn),
+ TP_PROTO(u64 gva, u64 gfn),
+ TP_ARGS(gva, gfn),
TP_STRUCT__entry(
- __field(__u64, pfn)
+ __field(u64, gva)
+ __field(u64, gfn)
),
TP_fast_assign(
- __entry->pfn = (!async) ? pfn : (u64)-1;
+ __entry->gva = gva;
+ __entry->gfn = gfn;
),
- TP_printk("pfn %#llx", __entry->pfn)
+ TP_printk("gva = %#llx, gfn = %#llx", __entry->gva, __entry->gfn)
);
TRACE_EVENT(