linux-kernel - Re: [RFC V2 1/3] perf, tools: Support wildcards on pmu name in dynamic pmu events

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Message-ID: <87efky76go.fsf@linux.intel.com>
Date:   Mon, 05 Mar 2018 09:55:19 -0800
From:   Andi Kleen <ak@...ux.intel.com>
To:     Agustin Vega-Frias <agustinv@...eaurora.org>
Cc:     Jiri Olsa <jolsa@...hat.com>, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>, timur@...eaurora.org
Subject: Re: [RFC V2 1/3] perf, tools: Support wildcards on pmu name in dynamic pmu events

Agustin Vega-Frias <agustinv@...eaurora.org> writes:
>
> An option to keep backward compatibility and consistency would be
> to wrap the pattern/string passed in *'s, that way we can just use
> fnmatch and have all the examples Jiri brought up work the same.
> With that in place we can actually also drop the explicit ignoring
> of the uncore_ prefix since the globbing would take care of that.

Prepending with * would seem dangerous, could result in false
matches. But adding it at the end should be ok.

-Andi