linux-kernel - Re: [PATCH 4/5] perf tools: Support single perf.data file directory

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Date:   Mon, 21 Oct 2019 15:42:39 +0300
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] perf tools: Support single perf.data file directory

On 7/10/19 3:06 PM, Adrian Hunter wrote:
> On 7/10/19 2:20 PM, Jiri Olsa wrote:
>> On Fri, Oct 04, 2019 at 11:31:20AM +0300, Adrian Hunter wrote:
>>
>> SNIP
>>
>>>  	u8 pad[8] = {0};
>>>  
>>> -	if (!perf_data__is_pipe(data) && !perf_data__is_dir(data)) {
>>> +	if (!perf_data__is_pipe(data) && perf_data__is_single_file(data)) {
>>>  		off_t file_offset;
>>>  		int fd = perf_data__fd(data);
>>>  		int err;
>>> diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
>>> index df173f0bf654..964ea101dba6 100644
>>> --- a/tools/perf/util/data.c
>>> +++ b/tools/perf/util/data.c
>>> @@ -76,6 +76,13 @@ int perf_data__open_dir(struct perf_data *data)
>>>  	DIR *dir;
>>>  	int nr = 0;
>>>  
>>> +	/*
>>> +	 * Directory containing a single regular perf data file which is already
>>> +	 * open, means there is nothing more to do here.
>>> +	 */
>>> +	if (perf_data__is_single_file(data))
>>> +		return 0;
>>> +
>>
>> cool, I like this approach much more than the previous flag
> 
> Yes it is much nicer.  Thanks for your direction on that.
> 
>>
>> any change you (if there's repost) or Arnaldo
>> could squeeze in indent change below?
> 
> Sent a patch, to be applied before these.
> 

That is:

"[PATCH] perf session: Fix indent in perf_session__new()"

Any comments on this patch set Arnaldo?