Re: [PATCH v5 08/11] perf/tools: Refactoring metricgroup__add_metric function

[Jiri Olsa]

On Tue, Mar 17, 2020 at 11:53:30AM +0530, Kajol Jain wrote:
> This patch refactor metricgroup__add_metric function where
> some part of it move to function metricgroup__add_metric_param.
> No logic change.
> 
> Signed-off-by: Kajol Jain <kjain@xxxxxxxxxxxxx>
> ---
>  tools/perf/util/metricgroup.c | 63 +++++++++++++++++++++--------------
>  1 file changed, 38 insertions(+), 25 deletions(-)
> 
> diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
> index c3a8c701609a..b4919bcfbd8b 100644
> --- a/tools/perf/util/metricgroup.c
> +++ b/tools/perf/util/metricgroup.c
> @@ -474,6 +474,41 @@ static bool metricgroup__has_constraint(struct pmu_event *pe)
>  	return false;
>  }
>  
> +static int metricgroup__add_metric_param(struct strbuf *events,
> +			struct list_head *group_list, struct pmu_event *pe)
> +{
> +
> +	const char **ids;
> +	int idnum;
> +	struct egroup *eg;
> +	int ret = -EINVAL;
> +
> +	if (expr__find_other(pe->metric_expr, NULL, &ids, &idnum, 1) < 0)
> +		return ret;
> +
> +	if (events->len > 0)
> +		strbuf_addf(events, ",");
> +
> +	if (metricgroup__has_constraint(pe))
> +		metricgroup__add_metric_non_group(events, ids, idnum);
> +	else
> +		metricgroup__add_metric_weak_group(events, ids, idnum);
> +
> +	eg = malloc(sizeof(*eg));
> +	if (!eg)
> +		ret = -ENOMEM;
> +
> +	eg->ids = ids;
> +	eg->idnum = idnum;
> +	eg->metric_name = pe->metric_name;
> +	eg->metric_expr = pe->metric_expr;
> +	eg->metric_unit = pe->unit;
> +	list_add_tail(&eg->nd, group_list);
> +	ret = 0;
> +
> +	return ret;

	return 0;

jirka