linux-kernel - Re: [PATCH v2 1/4] perf record: allocate affinity masks

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Date:   Wed, 9 Jan 2019 12:10:05 +0300
From:   Alexey Budankov <alexey.budankov@...ux.intel.com>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/4] perf record: allocate affinity masks

Hi,

On 02.01.2019 0:39, Jiri Olsa wrote:
> On Mon, Dec 24, 2018 at 03:23:13PM +0300, Alexey Budankov wrote:
> 
> SNIP
> 
>> @@ -2143,6 +2152,8 @@ int cmd_record(int argc, const char **argv)
>>  	if (verbose > 0)
>>  		pr_info("nr_cblocks: %d\n", rec->opts.nr_cblocks);
>>  
>> +	pr_debug("affinity: %s\n", affinity_tags[rec->opts.affinity]);
>> +
>>  	err = __cmd_record(&record, argc, argv);
>>  out:
>>  	perf_evlist__delete(rec->evlist);
>> diff --git a/tools/perf/perf.h b/tools/perf/perf.h
>> index 388c6dd128b8..69f54529d81f 100644
>> --- a/tools/perf/perf.h
>> +++ b/tools/perf/perf.h
>> @@ -83,6 +83,14 @@ struct record_opts {
>>  	clockid_t    clockid;
>>  	u64          clockid_res_ns;
>>  	int	     nr_cblocks;
>> +	int	     affinity;
>> +};
>> +
>> +enum perf_affinity {
>> +	PERF_AFFINITY_SYS = 0,
>> +	PERF_AFFINITY_NODE,
>> +	PERF_AFFINITY_CPU,
>> +	PERF_AFFINITY_EOF
> 
> PERF_AFFINITY_MAX might be better name

Corrected in v3.

Thanks,
Alexey

> 
> jirka
>