diff options
| author | Joerg Roedel <joerg.roedel@amd.com> | 2010-02-24 20:59:14 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-04-25 14:53:10 +0400 |
| commit | 2e554e8d67926024b01e97d2fe652810165354e2 (patch) | |
| tree | a0ace1e673875471425235b482c2fb645c9caa88 /arch/x86/kvm/trace.h | |
| parent | ecf1405df235da3efea213427ac7da7f816e9d06 (diff) | |
| download | linux-2e554e8d67926024b01e97d2fe652810165354e2.tar.xz | |
KVM: SVM: Add kvm_nested_intercepts tracepoint
This patch adds a tracepoint to get information about the
most important intercept bitmasks from the nested vmcb.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/trace.h')
| -rw-r--r-- | arch/x86/kvm/trace.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index 12f8d2dee984..17b52ccd9774 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -419,6 +419,28 @@ TRACE_EVENT(kvm_nested_vmrun, __entry->npt ? "on" : "off") ); +TRACE_EVENT(kvm_nested_intercepts, + TP_PROTO(__u16 cr_read, __u16 cr_write, __u32 exceptions, __u64 intercept), + TP_ARGS(cr_read, cr_write, exceptions, intercept), + + TP_STRUCT__entry( + __field( __u16, cr_read ) + __field( __u16, cr_write ) + __field( __u32, exceptions ) + __field( __u64, intercept ) + ), + + TP_fast_assign( + __entry->cr_read = cr_read; + __entry->cr_write = cr_write; + __entry->exceptions = exceptions; + __entry->intercept = intercept; + ), + + TP_printk("cr_read: %04x cr_write: %04x excp: %08x intercept: %016llx", + __entry->cr_read, __entry->cr_write, __entry->exceptions, + __entry->intercept) +); /* * Tracepoint for #VMEXIT while nested */ |