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

From: Arnaldo Carvalho de Melo
Date: Fri Sep 03 2021 - 07:17:06 EST


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@xxxxxxx>
>
> Changes look good to me with my limited knowledge about the decoder
> facing code.
>
> FWIW,
>
> Acked-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>

Thanks, collected the Acked-by.

- Arnaldo