Re: [PATCH] tools lib traceevent: update KVM plugin

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Em Fri, Oct 09, 2015 at 10:10:13PM +0200, Paolo Bonzini escreveu:
> On 01/10/2015 12:28, Paolo Bonzini wrote:
> > The format of the role word has changed through the years and the
> > plugin was never updated; some VMX exit reasons were missing too.
> > 
> > Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> > ---
> >  tools/lib/traceevent/plugin_kvm.c | 25 +++++++++++++++++--------
> >  1 file changed, 17 insertions(+), 8 deletions(-)
> > 
> > diff --git a/tools/lib/traceevent/plugin_kvm.c b/tools/lib/traceevent/plugin_kvm.c
> > index 88fe83dff7cd..18536f756577 100644
> > --- a/tools/lib/traceevent/plugin_kvm.c
> > +++ b/tools/lib/traceevent/plugin_kvm.c
> > @@ -124,7 +124,10 @@ static const char *disassemble(unsigned char *insn, int len, uint64_t rip,
> >  	_ER(WBINVD,		 54)		\
> >  	_ER(XSETBV,		 55)		\
> >  	_ER(APIC_WRITE,		 56)		\
> > -	_ER(INVPCID,		 58)
> > +	_ER(INVPCID,		 58)		\
> > +	_ER(PML_FULL,		 62)		\
> > +	_ER(XSAVES,		 63)		\
> > +	_ER(XRSTORS,		 64)
> >  
> >  #define SVM_EXIT_REASONS \
> >  	_ER(EXIT_READ_CR0,	0x000)		\
> > @@ -352,15 +355,18 @@ static int kvm_nested_vmexit_handler(struct trace_seq *s, struct pevent_record *
> >  union kvm_mmu_page_role {
> >  	unsigned word;
> >  	struct {
> > -		unsigned glevels:4;
> >  		unsigned level:4;
> > +		unsigned cr4_pae:1;
> >  		unsigned quadrant:2;
> > -		unsigned pad_for_nice_hex_output:6;
> >  		unsigned direct:1;
> >  		unsigned access:3;
> >  		unsigned invalid:1;
> > -		unsigned cr4_pge:1;
> >  		unsigned nxe:1;
> > +		unsigned cr0_wp:1;
> > +		unsigned smep_and_not_wp:1;
> > +		unsigned smap_and_not_wp:1;
> > +		unsigned pad_for_nice_hex_output:8;
> > +		unsigned smm:8;
> >  	};
> >  };
> >  
> > @@ -385,15 +391,18 @@ static int kvm_mmu_print_role(struct trace_seq *s, struct pevent_record *record,
> >  	if (pevent_is_file_bigendian(event->pevent) ==
> >  	    pevent_is_host_bigendian(event->pevent)) {
> >  
> > -		trace_seq_printf(s, "%u/%u q%u%s %s%s %spge %snxe",
> > +		trace_seq_printf(s, "%u q%u%s %s%s %spae %snxe %swp%s%s%s",
> >  				 role.level,
> > -				 role.glevels,
> >  				 role.quadrant,
> >  				 role.direct ? " direct" : "",
> >  				 access_str[role.access],
> >  				 role.invalid ? " invalid" : "",
> > -				 role.cr4_pge ? "" : "!",
> > -				 role.nxe ? "" : "!");
> > +				 role.cr4_pae ? "" : "!",
> > +				 role.nxe ? "" : "!",
> > +				 role.cr0_wp ? "" : "!",
> > +				 role.smep_and_not_wp ? " smep" : "",
> > +				 role.smap_and_not_wp ? " smap" : "",
> > +				 role.smm ? " smm" : "");
> >  	} else
> >  		trace_seq_printf(s, "WORD: %08x", role.word);
> >  
> > 
> 
> Ping?  Arnaldo, ok to include this patch in my tree?

Applying, I saw it before, but lost track, perhaps was waiting for
Steven Rostedt to chime in, but now I noticed he wasn't CCed, he is now.

- Arnaldo
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