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| author | Avi Kivity <avi@redhat.com> | 2009-12-31 12:10:16 +0200 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2010-03-01 12:36:09 -0300 |
| commit | 90bb6fc556ab255abd798bcf4ff5769690ab2eea (patch) | |
| tree | dd17338dbcb5a2963800639bcf097595861810d2 /include/trace | |
| parent | 43db669730743fcc2a74b641ff4d77781eb15bfa (diff) | |
| download | linux-stable-90bb6fc556ab255abd798bcf4ff5769690ab2eea.tar.gz linux-stable-90bb6fc556ab255abd798bcf4ff5769690ab2eea.tar.bz2 linux-stable-90bb6fc556ab255abd798bcf4ff5769690ab2eea.zip | |
KVM: MMU: Add tracepoint for guest page aging
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/kvm.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h index 8abdc1230143..b17d49dfc3ef 100644 --- a/include/trace/events/kvm.h +++ b/include/trace/events/kvm.h @@ -164,6 +164,28 @@ TRACE_EVENT(kvm_fpu, TP_printk("%s", __print_symbolic(__entry->load, kvm_fpu_load_symbol)) ); +TRACE_EVENT(kvm_age_page, + TP_PROTO(ulong hva, struct kvm_memory_slot *slot, int ref), + TP_ARGS(hva, slot, ref), + + TP_STRUCT__entry( + __field( u64, hva ) + __field( u64, gfn ) + __field( u8, referenced ) + ), + + TP_fast_assign( + __entry->hva = hva; + __entry->gfn = + slot->base_gfn + ((hva - slot->userspace_addr) >> PAGE_SHIFT); + __entry->referenced = ref; + ), + + TP_printk("hva %llx gfn %llx %s", + __entry->hva, __entry->gfn, + __entry->referenced ? "YOUNG" : "OLD") +); + #endif /* _TRACE_KVM_MAIN_H */ /* This part must be outside protection */ |