2014-08-21 10:29+0200, Paolo Bonzini:
> Il 20/08/2014 22:53, Radim Krčmář ha scritto:
> > Tracepoint for dynamic PLE window, fired on every potential change.
> >
> > Signed-off-by: Radim Krčmář <rkrcmar@xxxxxxxxxx>
> > ---
> > arch/x86/kvm/trace.h | 25 +++++++++++++++++++++++++
> > arch/x86/kvm/vmx.c | 8 +++++---
> > arch/x86/kvm/x86.c | 1 +
> > 3 files changed, 31 insertions(+), 3 deletions(-)
> >
> > diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
> > index e850a7d..4b8e6cb 100644
> > --- a/arch/x86/kvm/trace.h
> > +++ b/arch/x86/kvm/trace.h
> > @@ -848,6 +848,31 @@ TRACE_EVENT(kvm_track_tsc,
> > __print_symbolic(__entry->host_clock, host_clocks))
> > );
> >
> > +TRACE_EVENT(kvm_ple_window,
> > + TP_PROTO(int grow, unsigned int vcpu_id, int new, int old),
>
> s/int grow/bool grow/ (and similarly in TP_STRUCT__entry).
Ok.
(We are using 'int' for this in other tracepoints, so I guessed there is
some hate agains bool.)
> > + TP_ARGS(grow, vcpu_id, new, old),
> > +
> > + TP_STRUCT__entry(
> > + __field( int, grow )
> > + __field( unsigned int, vcpu_id )
> > + __field( int, new )
> > + __field( int, old )
> > + ),
> > +
> > + TP_fast_assign(
> > + __entry->grow = grow;
> > + __entry->vcpu_id = vcpu_id;
> > + __entry->new = new;
> > + __entry->old = old;
> > + ),
> > +
> > + TP_printk("vcpu %u: ple_window %d %s %d",
> > + __entry->vcpu_id,
> > + __entry->new,
> > + __entry->grow ? "<+" : "<-",
>
> ? "grow" : "shrink"
Can't say I haven't expected comment about that :)
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