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Date:	Tue, 07 Oct 2014 16:38:03 +0900
From:	taeung <treeze.taeung@...il.com>
To:	Namhyung Kim <namhyung@...nel.org>
CC:	linux-perf-users@...r.kernel.org, acme@...nel.org,
	Jiri Olsa <jolsa@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf top: Add a visual cue for toggle zeroing of samples

Thanks for answering.

I resend a patch according to your advices.

And I also added the stdio output to the patch as below.

If you have time and check the patch I resend,
I'd appreciate it.

Thanks,
Taeung

On 10/07/2014 02:26 PM, Namhyung Kim wrote:
> Hi Taeung,
>
> On Sun,  5 Oct 2014 15:49:34 +0900, Taeung Song wrote:
>> When 'perf top' is run, one can't easily find a difference
>> between -z option and normal output.
>> So I added a visual cue to know whether it is the zeroing or not.
>
> [SNIP]
>> +static int hists__browser_title(struct hists *hists,
>> +				struct hist_browser_timer *hbt,
>> +				char *bf,
>> +				size_t size)
> You don't need to align arguments like this.
>
>
>>   {
>>   	char unit;
>>   	int printed;
>> @@ -1256,6 +1268,14 @@ static int hists__browser_title(struct hists *hists, char *bf, size_t size)
>>   	if (dso)
>>   		printed += scnprintf(bf + printed, size - printed,
>>   				    ", DSO: %s", dso->short_name);
>> +	if (!is_report_browser(hbt)) {
>> +		struct perf_top *top = hbt->arg;
>> +
>> +		if (top->zero)
>> +			printed += scnprintf(bf + printed, size - printed,
>> +					     ", [z]", "");
> It seems the final empty string can go away.  And personally I'd like to
> get rid of "," before "[z]" also.
>
> Otherwise looks good to me.  Could you please take a look at the stdio
> output too?
>
> Thanks,
> Namhyung
>
>
>> +	}
>> +
>>   	return printed;
>>   }
>>   
>> @@ -1267,12 +1287,6 @@ static inline void free_popup_options(char **options, int n)
>>   		zfree(&options[i]);
>>   }
>>   
>> -/* Check whether the browser is for 'top' or 'report' */
>> -static inline bool is_report_browser(void *timer)
>> -{
>> -	return timer == NULL;
>> -}
>> -
>>   /*
>>    * Only runtime switching of perf data file will make "input_name" point
>>    * to a malloced buffer. So add "is_input_name_malloced" flag to decide

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