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Message-ID: <YUuY+WhB3Y3VQm2w@krava>
Date:   Wed, 22 Sep 2021 22:58:33 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Ian Rogers <irogers@...gle.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>,
        Jin Yao <yao.jin@...ux.intel.com>,
        John Garry <john.garry@...wei.com>,
        Paul Clarke <pc@...ibm.com>, kajoljain <kjain@...ux.ibm.com>,
        linux-perf-users@...r.kernel.org,
        Stephane Eranian <eranian@...gle.com>,
        Sandeep Dasgupta <sdasgup@...gle.com>
Subject: Re: [PATCH v8 5/8] perf metric: Add utilities to work on ids map.

SNIP

> diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c
> index adf16bb7571a..34b51ca5e87f 100644
> --- a/tools/perf/util/expr.c
> +++ b/tools/perf/util/expr.c
> @@ -59,8 +59,48 @@ static bool key_equal(const void *key1, const void *key2,
>  	return !strcmp((const char *)key1, (const char *)key2);
>  }
>  
> -/* Caller must make sure id is allocated */
> -int expr__add_id(struct expr_parse_ctx *ctx, const char *id)
> +struct hashmap *ids__new(void)
> +{
> +	return hashmap__new(key_hash, key_equal, NULL);
> +}
> +
> +void ids__free(struct hashmap *ids)
> +{
> +	struct hashmap_entry *cur;
> +	size_t bkt;
> +
> +	if (ids == NULL)
> +		return;
> +
> +#ifdef PARSER_DEBUG
> +	fprintf(stderr, "freeing ids: ");
> +	ids__print(ids);
> +	fprintf(stderr, "\n");
> +#endif

hum, is this intended or forgotten debug leftover?

jirka

> +
> +	hashmap__for_each_entry(ids, cur, bkt) {
> +		free((char *)cur->key);
> +		free(cur->value);
> +	}
> +
> +	hashmap__free(ids);
> +}
> +
> +void ids__print(struct hashmap *ids)

SNIP

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