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

From: Arnaldo Carvalho de Melo
Date: Tue Oct 20 2015 - 10:32:55 EST


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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