Commit 47352aba authored by Kajol Jain's avatar Kajol Jain Committed by Arnaldo Carvalho de Melo
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perf metrictroup: Split the metricgroup__add_metric function



This patch refactors metricgroup__add_metric function where some part of
it move to function metricgroup__add_metric_param.  No logic change.

Signed-off-by: default avatarKajol Jain <kjain@linux.ibm.com>
Acked-by: default avatarJiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Anju T Sudhakar <anju@linux.vnet.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Mamatha Inamdar <mamatha4@linux.vnet.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@ozlabs.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linuxppc-dev@lists.ozlabs.org
Link: http://lore.kernel.org/lkml/20200401203340.31402-4-kjain@linux.ibm.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 871f9f59
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+35 −25
Original line number Diff line number Diff line
@@ -485,6 +485,39 @@ static bool metricgroup__has_constraint(struct pmu_event *pe)
	return false;
}

static int __metricgroup__add_metric(struct strbuf *events,
			struct list_head *group_list, struct pmu_event *pe)
{

	const char **ids;
	int idnum;
	struct egroup *eg;

	if (expr__find_other(pe->metric_expr, NULL, &ids, &idnum) < 0)
		return -EINVAL;

	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)
		return -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);

	return 0;
}

static int metricgroup__add_metric(const char *metric, struct strbuf *events,
				   struct list_head *group_list)
{
@@ -504,36 +537,13 @@ static int metricgroup__add_metric(const char *metric, struct strbuf *events,
			continue;
		if (match_metric(pe->metric_group, metric) ||
		    match_metric(pe->metric_name, metric)) {
			const char **ids;
			int idnum;
			struct egroup *eg;

			pr_debug("metric expr %s for %s\n", pe->metric_expr, pe->metric_name);

			if (expr__find_other(pe->metric_expr,
					     NULL, &ids, &idnum) < 0)
				continue;
			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(struct egroup));
			if (!eg) {
				ret = -ENOMEM;
			ret = __metricgroup__add_metric(events,	group_list, pe);
			if (ret == -ENOMEM)
				break;
		}
			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;
}