linux-kernel - Re: [PATCH 8/9] perf, tools, test: Add test case for alias and JSON parsing v2

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Date:	Thu, 10 Jul 2014 00:20:38 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	linux-kernel@...r.kernel.org, namhyung@...nel.org,
	acme@...radead.org, Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 8/9] perf, tools, test: Add test case for alias and JSON
 parsing v2

On Fri, Jun 27, 2014 at 04:16:03PM -0700, Andi Kleen wrote:
> From: Andi Kleen <ak@...ux.intel.com>
> 
> Add a simple test case to perf test that runs perf download and parses
> all the available events, including json events.
> 
> This needs adding an all event iterator to pmu.c
> 

SNIP

> +
> +int pmu_iterate_events(int (*func)(const char *name))
> +{
> +	int ret = 0;
> +	struct perf_pmu *pmu;
> +	struct perf_pmu_alias *alias;
> +
> +	perf_pmu__find("cpu"); /* Load PMUs */
> +	pmu = NULL;
> +	while ((pmu = perf_pmu__scan(pmu)) != NULL) {
> +		list_for_each_entry(alias, &pmu->aliases, list) {
> +			ret = func(alias->name);
> +			if (ret != 0)
> +				break;
> +		}
> +	}
> +	return ret;
> +}
> diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
> index 583d21e..a8ed283 100644
> --- a/tools/perf/util/pmu.h
> +++ b/tools/perf/util/pmu.h
> @@ -47,5 +47,7 @@ bool pmu_have_event(const char *pname, const char *name);
>  
>  int perf_pmu__test(void);
>  
> +int pmu_iterate_events(int (*func)(const char *name));
> +

this new pmu interface needs to go to separated patchset

jirka
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