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From: Jiri Olsa <jolsa@redhat.com>
To: yuzhoujian <ufo19890607@gmail.com>
Cc: peterz@infradead.org, mingo@redhat.com,
	alexander.shishkin@linux.intel.com, jolsa@kernel.org,
	dsahern@gmail.com, namhyung@kernel.org, milian.wolff@kdab.com,
	arnaldo.melo@gmail.com, yuzhoujian@didichuxing.com,
	linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/4] Replace printf with fprintf for all the output functions
Date: Fri, 22 Sep 2017 11:03:04 +0200	[thread overview]
Message-ID: <20170922090304.GD15856@krava> (raw)
In-Reply-To: <1505714122-39141-5-git-send-email-yuzhoujian@didichuxing.com>

On Mon, Sep 18, 2017 at 01:55:22PM +0800, yuzhoujian wrote:

SNIP

>  static void process_event(struct perf_script *script,
> @@ -1389,21 +1389,30 @@ static void process_event(struct perf_script *script,
>  	struct perf_event_attr *attr = &evsel->attr;
>  	unsigned int type = output_type(attr->type);
>  
> +	const char *evname;
> +	char *file_name;
>  	if (output[type].fields == 0)
>  		return;
>  
> +	evname = perf_evsel__name(evsel);
> +	if (script->tool.per_event_dump == true) {
> +		if (asprintf(&file_name, "%s%s", evname, ".stack") < 0)

what's the 'stack' suffix for? It's text dump, should we use .txt?
Also I think it should be more than 'cycles.stack', more like:

  <ORIGINAL PERF DATA FILE NAME>-script-dump-cycles.txt

or something like this

Arnaldo, thoughts?

thanks,
jirka

  reply	other threads:[~2017-09-22  9:03 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-18  5:55 [PATCH 0/4] perf script: Add script per-event-dump support yuzhoujian
2017-09-18  5:55 ` [PATCH 1/4] Add a new element for the struct perf_tool, and add the --per-event-dump option for perf script yuzhoujian
2017-09-22  9:02   ` Jiri Olsa
2017-09-22  9:02   ` Jiri Olsa
2017-09-22  9:02   ` Jiri Olsa
2017-09-18  5:55 ` [PATCH 2/4] Makes all those related functions receive the FILE pointer yuzhoujian
2017-09-22  9:03   ` Jiri Olsa
2017-09-22 14:14     ` Arnaldo Carvalho de Melo
2017-09-22  9:03   ` Jiri Olsa
2017-09-22 14:15     ` Arnaldo Carvalho de Melo
2017-09-18  5:55 ` [PATCH 3/4] Add the fp_selection_helper function to set the file pointer for the related functions yuzhoujian
2017-09-22  9:03   ` Jiri Olsa
2017-09-22 14:18     ` Arnaldo Carvalho de Melo
2017-09-18  5:55 ` [PATCH 4/4] Replace printf with fprintf for all the output functions yuzhoujian
2017-09-22  9:03   ` Jiri Olsa [this message]
2017-09-22 14:14     ` Arnaldo Carvalho de Melo
2017-09-22  9:03   ` Jiri Olsa
2017-09-18  7:26 ` [PATCH 0/4] perf script: Add script per-event-dump support Jiri Olsa

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