linux-kernel - Re: [PATCH v3 3/9] perf script: Add more filter to find

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Date:	Thu, 27 Sep 2012 19:39:59 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Feng Tang <feng.tang@...el.com>
Cc:	<acme@...hat.com>, <mingo@...e.hu>, <a.p.zijlstra@...llo.nl>,
	<andi@...stfloor.org>, <dsahern@...il.com>,
	<linux-kernel@...r.kernel.org>, Jiri Olsa <jolsa@...hat.com>
Subject: Re: [PATCH v3 3/9] perf script: Add more filter to find_scripts()

On Thu, 27 Sep 2012 13:45:30 +0900, Namhyung Kim wrote:
> It'd not that hard.  How about using below (untested) patch?

Hmm... it won't work for some cases.  Please ignore this.

Thanks,
Namhyung

>
> diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
> index bf5d033ee1b4..5dc71f598028 100644
> --- a/tools/perf/util/parse-events.c
> +++ b/tools/perf/util/parse-events.c
> @@ -817,6 +817,21 @@ int parse_events_terms(struct list_head *terms, const char *str)
>  	return ret;
>  }
>  
> +int __parse_events(struct list_head *evsel_list, const char *str)
> +{
> +	int ret;
> +	struct parse_events_data__events data = {
> +		.list = LIST_HEAD_INIT(data.list),
> +	};
> +
> +	ret = parse_events__scanner(str, &data, PE_START_EVENTS);
> +	if (!ret) {
> +		list_splice(evsel_list, &data.list);
> +		return 0;
> +	}
> +	return -1;
> +}
> +
>  int parse_events(struct perf_evlist *evlist, const char *str,
>  		 int unset __maybe_unused)
>  {
> diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
> index c356e443448d..c13e9bd0f041 100644
> --- a/tools/perf/util/parse-events.h
> +++ b/tools/perf/util/parse-events.h
> @@ -32,6 +32,7 @@ extern int parse_events_option(const struct option *opt, const char *str,
>  extern int parse_events(struct perf_evlist *evlist, const char *str,
>  			int unset);
>  extern int parse_events_terms(struct list_head *terms, const char *str);
> +extern int __parse_events(struct list_head *evsel_list, const char *str);
>  extern int parse_filter(const struct option *opt, const char *str, int unset);
>  
>  #define EVENTS_HELP_MAX (128*1024)
--
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