[RFC 1/3] perf tool: Introduce arch-specific supplemental perf open strerror capability

[Will Deacon]

On Tue, Oct 24, 2017 at 03:04:04AM -0500, Kim Phillips wrote:
> Introduce new tools/perf/arch/*/util/evsel.c:perf_evsel__suppl_strerror()
> so each arch can start to customize usability for its h/w PMU drivers.
> 
> Signed-off-by: Kim Phillips <kim.phillips at arm.com>
> ---
>  tools/perf/arch/x86/util/Build   |  1 +
>  tools/perf/arch/x86/util/evsel.c | 24 ++++++++++++++++++++++++
>  tools/perf/util/evsel.c          | 21 +++++++++++++++------
>  tools/perf/util/evsel.h          |  2 ++
>  4 files changed, 42 insertions(+), 6 deletions(-)
>  create mode 100644 tools/perf/arch/x86/util/evsel.c

This looks sensible to me, although it's difficult to justify all of the
parameters to perf_evsel__suppl_strerror judging by this patch alone.

Will