linux-kernel - Re: [PATCH 09/11] perf top: error handling for counter creation should parallel perf-record

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Date:	Tue, 24 Jul 2012 08:01:38 -0600
From:	David Ahern <dsahern@...il.com>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
CC:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Robert Richter <robert.richter@....com>
Subject: Re: [PATCH 09/11] perf top: error handling for counter creation should
 parallel perf-record

On 7/23/12 12:15 PM, Arnaldo Carvalho de Melo wrote:
> Em Fri, Jul 20, 2012 at 05:25:54PM -0600, David Ahern escreveu:
>> diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
>> index e3cab5f..0ce665c 100644
>> --- a/tools/perf/builtin-top.c
>> +++ b/tools/perf/builtin-top.c
>> @@ -943,8 +943,10 @@ try_again:
>>   			 * based cpu-clock-tick sw counter, which
>>   			 * is always available even if no PMU support:
>>   			 */
>> -			if (attr->type == PERF_TYPE_HARDWARE &&
>> -			    attr->config == PERF_COUNT_HW_CPU_CYCLES) {
>> +			if ((err == ENOENT || err == ENXIO)
>> +				&& attr->type == PERF_TYPE_HARDWARE
>> +				&& attr->config == PERF_COUNT_HW_CPU_CYCLES) {
>> +
>
> usual style:
>
> 			if ((err == ENOENT || err == ENXIO) &&
> 			    attr->type == PERF_TYPE_HARDWARE &&
> 			    attr->config == PERF_COUNT_HW_CPU_CYCLES) {
>

Right. I literally made it the same as builtin-record.c. I'll resubmit.

David

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