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From: John Garry <john.garry@huawei.com>
To: Andi Kleen <ak@linux.intel.com>
Cc: mark.rutland@arm.com, brueckner@linux.ibm.com,
	mathieu.poirier@linaro.org, peterz@infradead.org,
	ben@decadent.org.uk, tmricht@linux.ibm.com, will.deacon@arm.com,
	linux-kernel@vger.kernel.org, acme@kernel.org,
	linuxarm@huawei.com, zhangshaokun@hisilicon.com,
	alexander.shishkin@linux.intel.com, mingo@redhat.com,
	namhyung@kernel.org, jolsa@redhat.com,
	linux-arm-kernel@lists.infradead.org, kan.liang@linux.intel.com
Subject: Re: [PATCH v3 1/4] perf pmu: Support more complex PMU event aliasing
Date: Fri, 28 Jun 2019 18:05:43 +0100	[thread overview]
Message-ID: <5add76dc-ea92-9778-a65b-792f3ff17040@huawei.com> (raw)
In-Reply-To: <20190628153344.GZ31027@tassilo.jf.intel.com>

On 28/06/2019 16:33, Andi Kleen wrote:
>> +	/*
>> +	 * 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.

Hi Andi,

As I see, today the man page does not mention the matching from the 
alias events declared in the jsons.

The perf list command shows these aliases, so I am not sure how useful 
that info is adding to the man page.

What the man page does mention is the glob matching on the PMU device 
name - like how "imc" can match PMU device "uncore_imc_0", but I'm not 
changing around this.

Thanks,
John

>
> -Andi
>
>
> .
>



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  reply	other threads:[~2019-06-28 17:06 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-28 14:35 [PATCH v3 0/4] Perf uncore PMU event alias support for Hisi hip08 ARM64 platform John Garry
2019-06-28 14:35 ` [PATCH v3 1/4] perf pmu: Support more complex PMU event aliasing John Garry
2019-06-28 15:33   ` Andi Kleen
2019-06-28 17:05     ` John Garry [this message]
2019-07-02 19:07   ` Arnaldo Carvalho de Melo
2019-07-11  2:23     ` John Garry
2019-06-28 14:35 ` [PATCH v3 2/4] perf jevents: Add support for Hisi hip08 DDRC PMU aliasing John Garry
2019-06-28 14:35 ` [PATCH v3 3/4] perf jevents: Add support for Hisi hip08 HHA " John Garry
2019-06-28 14:35 ` [PATCH v3 4/4] perf jevents: Add support for Hisi hip08 L3C " John Garry
2019-06-28 14:54 ` [PATCH v3 0/4] Perf uncore PMU event alias support for Hisi hip08 ARM64 platform Jiri Olsa
2019-07-02 15:53   ` Arnaldo Carvalho de Melo

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