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SubjectRe: [PATCH 06/19] perf metric: Add add_metric function
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On 7/19/20 11:43 PM, Jiri Olsa wrote:
> Decouple metric adding logging into add_metric function,
> so it can be used from other places in following changes.
>
> Acked-by: Ian Rogers <irogers@google.com>
> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> ---

Reviewed-By : Kajol Jain<kjain@linux.ibm.com>

Thanks,
Kajol Jain
> tools/perf/util/metricgroup.c | 62 ++++++++++++++++++++---------------
> 1 file changed, 36 insertions(+), 26 deletions(-)
>
> diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
> index b37008fc253c..4096be7a7a9e 100644
> --- a/tools/perf/util/metricgroup.c
> +++ b/tools/perf/util/metricgroup.c
> @@ -625,6 +625,39 @@ static int __metricgroup__add_metric(struct list_head *group_list,
> (match_metric(__pe->metric_group, __metric) || \
> match_metric(__pe->metric_name, __metric)))
>
> +static int add_metric(struct list_head *group_list,
> + struct pmu_event *pe,
> + bool metric_no_group)
> +{
> + int ret = 0;
> +
> + pr_debug("metric expr %s for %s\n", pe->metric_expr, pe->metric_name);
> +
> + if (!strstr(pe->metric_expr, "?")) {
> + ret = __metricgroup__add_metric(group_list,
> + pe,
> + metric_no_group,
> + 1);
> + } else {
> + int j, count;
> +
> + count = arch_get_runtimeparam();
> +
> + /* This loop is added to create multiple
> + * events depend on count value and add
> + * those events to group_list.
> + */
> +
> + for (j = 0; j < count && !ret; j++) {
> + ret = __metricgroup__add_metric(
> + group_list, pe,
> + metric_no_group, j);
> + }
> + }
> +
> + return ret;
> +}
> +
> static int metricgroup__add_metric(const char *metric, bool metric_no_group,
> struct strbuf *events,
> struct list_head *group_list,
> @@ -636,34 +669,11 @@ static int metricgroup__add_metric(const char *metric, bool metric_no_group,
> bool has_match = false;
>
> map_for_each_metric(pe, i, map, metric) {
> - pr_debug("metric expr %s for %s\n", pe->metric_expr, pe->metric_name);
> has_match = true;
>
> - if (!strstr(pe->metric_expr, "?")) {
> - ret = __metricgroup__add_metric(group_list,
> - pe,
> - metric_no_group,
> - 1);
> - if (ret)
> - return ret;
> - } else {
> - int j, count;
> -
> - count = arch_get_runtimeparam();
> -
> - /* This loop is added to create multiple
> - * events depend on count value and add
> - * those events to group_list.
> - */
> -
> - for (j = 0; j < count; j++) {
> - ret = __metricgroup__add_metric(
> - group_list, pe,
> - metric_no_group, j);
> - if (ret)
> - return ret;
> - }
> - }
> + ret = add_metric(group_list, pe, metric_no_group);
> + if (ret)
> + return ret;
> }
>
> /* End of pmu events. */
>

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