[PATCH v2 7/9] perf cs-etm: Create ETE decoder

[Mike Leach]

Reviewed-by: Mike Leach <mike.leach at linaro.org>


On Fri, 3 Sept 2021 at 12:16, Arnaldo Carvalho de Melo <acme at kernel.org> wrote:
>
> Em Fri, Sep 03, 2021 at 10:15:07AM +0100, Suzuki K Poulose escreveu:
> > On 06/08/2021 14:41, James Clark wrote:
> > > If the magic number indicates ETE instantiate a OCSD_BUILTIN_DCD_ETE
> > > decoder instead of OCSD_BUILTIN_DCD_ETMV4I. ETE is the new trace feature
> > > for Armv9.
> > >
> > > Testing performed
> > > =================
> > >
> > > * Old files with v0 and v1 headers for ETMv4 still open correctly
> > > * New files with new magic number open on new versions of perf
> > > * New files with new magic number fail to open on old versions of perf
> > > * Decoding with the ETE decoder results in the same output as the ETMv4
> > >    decoder as long as there are no new ETE packet types
> > >
> > > Signed-off-by: James Clark <james.clark at arm.com>
> >
> > Changes look good to me with my limited knowledge about the decoder
> > facing code.
> >
> > FWIW,
> >
> > Acked-by: Suzuki K Poulose <suzuki.poulose at arm.com>
>
> Thanks, collected the Acked-by.
>
> - Arnaldo



--
Mike Leach
Principal Engineer, ARM Ltd.
Manchester Design Centre. UK