linux-kernel - Re: [PATCH v3 09/27] perf parse-events: Create two hybrid cache events

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Date:   Fri, 9 Apr 2021 15:48:04 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Jin Yao <yao.jin@...ux.intel.com>
Cc:     acme@...nel.org, jolsa@...nel.org, peterz@...radead.org,
        mingo@...hat.com, alexander.shishkin@...ux.intel.com,
        Linux-kernel@...r.kernel.org, ak@...ux.intel.com,
        kan.liang@...el.com, yao.jin@...el.com
Subject: Re: [PATCH v3 09/27] perf parse-events: Create two hybrid cache
 events

On Mon, Mar 29, 2021 at 03:00:28PM +0800, Jin Yao wrote:

SNIP

> index 1bbd0ba92ba7..3692fa3c964a 100644
> --- a/tools/perf/util/parse-events.c
> +++ b/tools/perf/util/parse-events.c
> @@ -458,6 +458,7 @@ int parse_events_add_cache(struct list_head *list, int *idx,
>  	int cache_type = -1, cache_op = -1, cache_result = -1;
>  	char *op_result[2] = { op_result1, op_result2 };
>  	int i, n;
> +	bool hybrid;
>  
>  	/*
>  	 * No fallback - if we cannot get a clear cache type
> @@ -517,6 +518,13 @@ int parse_events_add_cache(struct list_head *list, int *idx,
>  		if (get_config_terms(head_config, &config_terms))
>  			return -ENOMEM;
>  	}
> +
> +	i = parse_events__add_cache_hybrid(list, idx, &attr,
> +					   config_name ? : name, &config_terms,
> +					   &hybrid);
> +	if (hybrid)
> +		return i;

please define 'ret' for the return value, i is confusing

thanks,
jirka

> +
>  	return add_event(list, idx, &attr, config_name ? : name, &config_terms);
>  }
>  
> -- 
> 2.17.1
>