linux/tools/perf/util/metricgroup.h
Jiri Olsa 4ea2896715 perf metric: Collect referenced metrics in struct metric_expr
Add referenced metrics into struct metric_expr object, so they are
accessible when computing the metric.

Storing just name and expression itself, so the metric can be resolved
and computed.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Reviewed-by: Kajol Jain <kjain@linux.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20200719181320.785305-10-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-07-30 07:01:49 -03:00

58 lines
1.4 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
#ifndef METRICGROUP_H
#define METRICGROUP_H 1
#include <linux/list.h>
#include <linux/rbtree.h>
#include <stdbool.h>
struct evsel;
struct evlist;
struct option;
struct rblist;
struct pmu_events_map;
struct metric_event {
struct rb_node nd;
struct evsel *evsel;
struct list_head head; /* list of metric_expr */
};
struct metric_ref {
const char *metric_name;
const char *metric_expr;
};
struct metric_expr {
struct list_head nd;
const char *metric_expr;
const char *metric_name;
const char *metric_unit;
struct evsel **metric_events;
struct metric_ref *metric_refs;
int runtime;
};
struct metric_event *metricgroup__lookup(struct rblist *metric_events,
struct evsel *evsel,
bool create);
int metricgroup__parse_groups(const struct option *opt,
const char *str,
bool metric_no_group,
bool metric_no_merge,
struct rblist *metric_events);
int metricgroup__parse_groups_test(struct evlist *evlist,
struct pmu_events_map *map,
const char *str,
bool metric_no_group,
bool metric_no_merge,
struct rblist *metric_events);
void metricgroup__print(bool metrics, bool groups, char *filter,
bool raw, bool details);
bool metricgroup__has_metric(const char *metric);
int arch_get_runtimeparam(void);
void metricgroup__rblist_exit(struct rblist *metric_events);
#endif