linux-kernel - Re: [PATCH 2/4] Makes all those related functions receive the FILE pointer

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Date:   Fri, 22 Sep 2017 11:14:42 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     yuzhoujian <ufo19890607@...il.com>, peterz@...radead.org,
        mingo@...hat.com, alexander.shishkin@...ux.intel.com,
        jolsa@...nel.org, dsahern@...il.com, namhyung@...nel.org,
        milian.wolff@...b.com, arnaldo.melo@...il.com,
        yuzhoujian@...ichuxing.com, linux-perf-users@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] Makes all those related functions receive the FILE
 pointer

Em Fri, Sep 22, 2017 at 11:03:12AM +0200, Jiri Olsa escreveu:
> On Mon, Sep 18, 2017 at 01:55:20PM +0800, yuzhoujian wrote:
> 
> SNIP
> 
> >  out_put:
> >  	addr_location__put(&al);
> > @@ -1605,6 +1617,7 @@ static int process_comm_event(struct perf_tool *tool,
> >  	struct perf_session *session = script->session;
> >  	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
> >  	int ret = -1;
> > +	FILE *fp;
> >  
> >  	thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
> >  	if (thread == NULL) {
> > @@ -1621,8 +1634,9 @@ static int process_comm_event(struct perf_tool *tool,
> >  		sample->tid = event->comm.tid;
> >  		sample->pid = event->comm.pid;
> >  	}
> > -	print_sample_start(sample, thread, evsel);
> > -	perf_event__fprintf(event, stdout);
> > +	fp = stdout;
> > +	fprint_sample_start(sample, thread, evsel, fp);
> > +	perf_event__fprintf(event, fp);
> 
> please make this simple 'adding fp argument to print functions'
> change and just pass stdout in here ... and do the rest of changes
> later on

That was what I asked him when I first reviewied this patchset.

- Arnaldo