linux-kernel - Re: [PATCH 8/9] perf, tools, test: Add test case for alias and JSON parsing

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Date:	Wed, 14 May 2014 14:27:45 +0900
From:	Namhyung Kim <namhyung@...il.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	acme@...radead.org, linux-kernel@...r.kernel.org,
	peterz@...radead.org, eranian@...gle.com, jolsa@...hat.com,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 8/9] perf, tools, test: Add test case for alias and JSON parsing

On Mon, 12 May 2014 15:51:13 -0700, Andi Kleen wrote:

[SNIP]
> +int test__aliases(void)

Just a nitpick.  Please use a more descriptive name for the testcase
like test__event_aliases().

> +{
> +	int err;
> +
> +	/* Download JSON files */
> +	/* XXX assumes perf is installed */
> +	/* For now user must manually download */
> +	if (0 && system("perf download > /dev/null") < 0) {
> +		/* Don't error out for this for now */
> +		fprintf(stderr, "perf download failed\n");
> +	}
> +
> +	evlist = perf_evlist__new();
> +	if (evlist == NULL)
> +		return -ENOMEM;
> +
> +	err = pmu_iterate_events(test_event);
> +	fprintf(stderr, " Parsed %d events :", num_events);
> +	if (failed > 0)
> +		fprintf(stderr, " %d events failed", num_events);

s/num_events/failed/ ?

And this kind of detailed information is usually printed when -v option
is given via pr_debug().

Thanks,
Namhyung


> +	perf_evlist__delete(evlist);
> +	return err;
> +}
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