KVM: MMU: show mmu_valid_gen in shadow page related tracepoints

Show sp->mmu_valid_gen

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>

diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h
index b8f6172..697f466 100644 (file)
--- a/arch/x86/kvm/mmutrace.h
+++ b/arch/x86/kvm/mmutrace.h
@@ -7,16 +7,18 @@
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kvmmmu
 
-#define KVM_MMU_PAGE_FIELDS \
-       __field(__u64, gfn) \
-       __field(__u32, role) \
-       __field(__u32, root_count) \
+#define KVM_MMU_PAGE_FIELDS                    \
+       __field(unsigned long, mmu_valid_gen)   \
+       __field(__u64, gfn)                     \
+       __field(__u32, role)                    \
+       __field(__u32, root_count)              \
        __field(bool, unsync)
 
-#define KVM_MMU_PAGE_ASSIGN(sp)                             \
-       __entry->gfn = sp->gfn;                      \
-       __entry->role = sp->role.word;               \
-       __entry->root_count = sp->root_count;        \
+#define KVM_MMU_PAGE_ASSIGN(sp)                                \
+       __entry->mmu_valid_gen = sp->mmu_valid_gen;     \
+       __entry->gfn = sp->gfn;                         \
+       __entry->role = sp->role.word;                  \
+       __entry->root_count = sp->root_count;           \
        __entry->unsync = sp->unsync;
 
 #define KVM_MMU_PAGE_PRINTK() ({                                       \
@@ -28,8 +30,8 @@
                                                                        \
        role.word = __entry->role;                                      \
                                                                        \
-       trace_seq_printf(p, "sp gfn %llx %u%s q%u%s %s%s"               \
-                        " %snxe root %u %s%c",                         \
+       trace_seq_printf(p, "sp gen %lx gfn %llx %u%s q%u%s %s%s"       \
+                        " %snxe root %u %s%c", __entry->mmu_valid_gen, \
                         __entry->gfn, role.level,                      \
                         role.cr4_pae ? " pae" : "",                    \
                         role.quadrant,                                 \