[PATCH] perf arm-spe: Don't warn about the discard bit if it doesn't exist

[Arnaldo Carvalho de Melo]

On Fri, May 29, 2026 at 10:42:34AM +0100, James Clark wrote:
> On 13/05/2026 1:55 pm, Ian Rogers wrote:
> > On Wed, May 13, 2026 at 3:20 AM Leo Yan <leo.yan at arm.com> wrote:
> > > On Fri, Apr 10, 2026 at 12:05:12PM +0100, James Clark wrote:
> > > > Opening an SPE event shows a warning that doesn't concern the user:

> > > >    $ perf record -e arm_spe
> > > >    Unknown/empty format name: discard

> > > > Perf only wants to know if the discard bit is set for configuring the
> > > > event, not in response to anything the user has done. Fix it by adding
> > > > another helper that returns if a config bit exists without warning.

> > > > We should probably keep the warning in evsel__get_config_val() to avoid
> > > > having every caller having to do it, and most format bits should never
> > > > be missing.

> > > > Add a test for the new helper. Rename the parent test function to be
> > > > more generic rather than adding a new one as it requires a lot of
> > > > boilerplate.

> > > > Signed-off-by: James Clark <james.clark at linaro.org>

> > > Reviewed-by: Leo Yan <leo.yan at arm.com>

> > Reviewed-by: Ian Rogers <irogers at google.com>

> Ping, thanks

Thanks, applied to perf-tools-next, for v7.2.

- Arnaldo