// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2017, Intel Corporation.
*/
/* Manage metrics and groups of metrics from JSON files */
#include "metricgroup.h"
#include "debug.h"
#include "evlist.h"
#include "evsel.h"
#include "strbuf.h"
#include "pmu.h"
#include "expr.h"
#include "rblist.h"
#include <string.h>
#include <errno.h>
#include "strlist.h"
#include <assert.h>
#include <linux/ctype.h>
#include <linux/string.h>
#include <linux/zalloc.h>
#include <subcmd/parse-options.h>
#include <api/fs/fs.h>
#include "util.h"
#include <asm/bug.h>
#include "cgroup.h"
struct metric_event *metricgroup__lookup(struct rblist *metric_events,
struct evsel *evsel,
bool create)
{
struct rb_node *nd;
struct metric_event me = {
.evsel = evsel
};
if (!metric_events)
return NULL;
nd = rblist__find(metric_events, &me);
if (nd)
return container_of(nd, struct metric_event, nd);
if (create) {
rblist__add_node(metric_events, &me);
nd = rblist__find(metric_events, &me);
if (nd)
return container_of(nd, struct metric_event, nd);
}
return NULL;
}
static int metric_event_cmp(struct rb_node *rb_node, const void *entry)
{
struct metric_event *a = container_of(rb_node,
struct metric_event,
nd);
const struct metric_event *b = entry;
if (a->evsel == b->evsel)
return 0;
if ((char *)a->evsel < (char *)b->evsel)
return -1;
return +1;
}
static struct rb_node *metric_event_new(struct rblist *rblist __maybe_unused,
const void *entry)
{
struct metric_event *me = malloc(sizeof(struct metric_event));
if (!me)
return NULL;
memcpy(me, entry