linux-kernel - Re: [PATCH 01/11] perf tests parse-events: Add intel

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Date:   Thu, 17 May 2018 17:54:10 -0500
From:   Kim Phillips <kim.phillips@....com>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>, Ingo Molnar <mingo@...nel.org>,
        Clark Williams <williams@...hat.com>,
        <linux-kernel@...r.kernel.org>, <linux-perf-users@...r.kernel.org>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>,
        David Ahern <dsahern@...il.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Wang Nan <wangnan0@...wei.com>
Subject: Re: [PATCH 01/11] perf tests parse-events: Add intel_pt parse test

On Thu, 17 May 2018 22:58:11 +0200
Jiri Olsa <jolsa@...hat.com> wrote:

> On Thu, May 17, 2018 at 05:15:53PM -0300, Arnaldo Carvalho de Melo wrote:
> > So parse_state->error == NULL, Jiri, ideas?
> 
> yep, we don't use it in tests.. and when trying intel_pt on
> system without that pmu, the parse_events_add_pmu fails
> and store the error to NULL.. we should check on that err pointer
> 
> wrt to the test itself, how about we add callback
> to check if the test is valid before we run it,
> something like below
> jirka

That diff makes this test pass again on x86 without an intel_pt, and
on Arm32/64 (the intel_pt test gets skipped on those machines):

Tested-by: Kim Phillips <kim.phillips@....com>

Thanks,

Kim