linux-kernel - Re: [PATCH 6/6] perf cs-etm: Print the decoder name

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Message-ID: <077ebe58-f692-9adb-9cb5-ed35a9b508c1@arm.com>
Date:   Fri, 6 Aug 2021 10:43:25 +0100
From:   James Clark <james.clark@....com>
To:     Leo Yan <leo.yan@...aro.org>
Cc:     acme@...nel.org, mathieu.poirier@...aro.org,
        coresight@...ts.linaro.org, al.grant@....com,
        suzuki.poulose@....com, anshuman.khandual@....com,
        mike.leach@...aro.org, John Garry <john.garry@...wei.com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org
Subject: Re: [PATCH 6/6] perf cs-etm: Print the decoder name



On 31/07/2021 08:30, Leo Yan wrote:
>> @@ -658,7 +658,7 @@ cs_etm_decoder__create_etm_decoder(struct cs_etm_decoder_params *d_params,
>>  
>>  		return 0;
>>  	} else if (d_params->operation == CS_ETM_OPERATION_PRINT) {
>> -		if (ocsd_dt_create_decoder(decoder->dcd_tree, decoder_name,
>> +		if (ocsd_dt_create_decoder(decoder->dcd_tree, decoder->decoder_name,
>>  					   OCSD_CREATE_FLG_PACKET_PROC,
>>  					   trace_config, &csid))
>>  			return -1;
>> @@ -790,3 +790,8 @@ void cs_etm_decoder__free(struct cs_etm_decoder *decoder)
>>  	decoder->dcd_tree = NULL;
>>  	free(decoder);
>>  }
>> +
>> +const char *cs_etm_decoder__get_name(struct cs_etm_decoder *decoder)
>> +{
>> +	return decoder->decoder_name;
>> +}
> Maybe can consider to place this function into the header file with
> "static inline" specifier.

I tried this, but because the struct is defined in the .c file it can't
be done without moving the struct to the header. It's also only used
for the --dump-raw-trace path so performance isn't critical anyway.

James

> 
> Either way, this patch looks good to me:
> 
> Reviewed-by: Leo Yan <leo.yan@...aro.org>
>