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From: Andi Kleen <andi@firstfloor.org>
To: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>,
	acme@kernel.org, jolsa@kernel.org, mingo@kernel.org,
	linux-kernel@vger.kernel.org, Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH 1/6] perf, tools, stat: Abstract stat metrics printing
Date: Tue, 22 Dec 2015 02:16:30 +0100	[thread overview]
Message-ID: <20151222011630.GE15533@two.firstfloor.org> (raw)
In-Reply-To: <20151221154232.GA13912@krava.brq.redhat.com>

> > -			fprintf(out, "                                   ");
> > +			print_metric(ctxp, NULL, NULL, "insn per cycle", 0);
> >  		}
> >  		total = avg_stats(&runtime_stalled_cycles_front_stats[ctx][cpu]);
> >  		total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[ctx][cpu]));
> >  
> > +		out->new_line(ctxp);
> >  		if (total && avg) {
> >  			ratio = total / avg;
> > -			fprintf(out, "\n");
> 
> you haven't address my first comment in here http://marc.info/?l=linux-kernel&m=144662610723134&w=2

The new_line is always needed because stalled cycles is always printed.

The reason it is always printed is that metric-only needs to see all the
metrics for its column headers. That's why there are else cases
everywhere.


-Andi
-- 
ak@linux.intel.com -- Speaking for myself only.

  reply	other threads:[~2015-12-22  1:16 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-15  2:04 perf, tools: Refactor and support interval and CSV metrics v7 Andi Kleen
2015-12-15  2:04 ` [PATCH 1/6] perf, tools, stat: Abstract stat metrics printing Andi Kleen
2015-12-21 15:42   ` Jiri Olsa
2015-12-22  1:16     ` Andi Kleen [this message]
2015-12-22  6:40       ` Jiri Olsa
2015-12-15  2:04 ` [PATCH 2/6] perf, tools, stat: Add support for metrics in interval mode Andi Kleen
2015-12-15  2:04 ` [PATCH 3/6] perf, tools, stat: Move noise/running printing into printout Andi Kleen
2015-12-15  2:04 ` [PATCH 4/6] perf, tools, stat: Implement CSV metrics output Andi Kleen
2015-12-15  2:04 ` [PATCH 5/6] perf, tools: Support metrics in --per-core/socket mode Andi Kleen
2015-12-15  2:04 ` [PATCH 6/6] perf, tools, stat: Document CSV format in manpage Andi Kleen

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