[PATCH v2 0/7] perf: Arm SPEv1.2 support

[Rob Herring]

On Fri, Nov 4, 2022 at 6:30 AM James Clark <james.clark at arm.com> wrote:
>
>
>
> On 19/10/2022 20:11, Rob Herring wrote:
> > This series adds support for Arm SPEv1.2 which is part of the
> > Armv8.7/Armv9.2 architecture. There's 2 new features that affect the
> > kernel: a new event filter bit, branch 'not taken', and an inverted
> > event filter register.
> >
> > Since this support adds new registers and fields, first the SPE register
> > defines are converted to automatic generation.
> >
> > Note that the 'config3' addition in sysfs format files causes SPE to
> > break. A stable fix e552b7be12ed ("perf: Skip and warn on unknown format
> > 'configN' attrs") landed in v6.1-rc1.
> >
> > The perf tool side changes are available here[1].
> >
> > Tested on FVP.
> >
> > [1] https://lore.kernel.org/all/20220914-arm-perf-tool-spe1-2-v2-v4-0-83c098e6212e@kernel.org/
> >
>
> LGTM. Tested with [1] applied and on N1SDP (where it isn't supported),
> and on the FVP. Enabling all the inverted filters results in no trace
> and other combinations work as expected.

Thanks, I'll take that as a 'Tested-by' tag if that's okay.

In the future, please be explicit with tags. Tools such as b4 and
patchwork will recognize them and add them automatically.

Rob