linux-kernel - Re: [PATCH v3 1/4] perf pmu: Support more complex PMU event aliasing

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Message-ID: <20190628153344.GZ31027@tassilo.jf.intel.com>
Date:   Fri, 28 Jun 2019 08:33:44 -0700
From:   Andi Kleen <ak@...ux.intel.com>
To:     John Garry <john.garry@...wei.com>
Cc:     peterz@...radead.org, mingo@...hat.com, acme@...nel.org,
        alexander.shishkin@...ux.intel.com, jolsa@...hat.com,
        namhyung@...nel.org, tmricht@...ux.ibm.com,
        brueckner@...ux.ibm.com, kan.liang@...ux.intel.com,
        ben@...adent.org.uk, mathieu.poirier@...aro.org,
        mark.rutland@....com, will.deacon@....com,
        linux-kernel@...r.kernel.org, linuxarm@...wei.com,
        linux-arm-kernel@...ts.infradead.org, zhangshaokun@...ilicon.com
Subject: Re: [PATCH v3 1/4] perf pmu: Support more complex PMU event aliasing

> +	/*
> +	 * Match more complex aliases where the alias name is a comma-delimited
> +	 * list of tokens, orderly contained in the matching PMU name.
> +	 *
> +	 * Example: For alias "socket,pmuname" and PMU "socketX_pmunameY", we
> +	 *	    match "socket" in "socketX_pmunameY" and then "pmuname" in
> +	 *	    "pmunameY".

This needs to be documented in some manpage.

-Andi