91 lines
2.9 KiB
C
91 lines
2.9 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>
|
|
#include "pmu-events/pmu-events.h"
|
|
|
|
struct evlist;
|
|
struct evsel;
|
|
struct option;
|
|
struct print_callbacks;
|
|
struct rblist;
|
|
struct cgroup;
|
|
|
|
/**
|
|
* A node in a rblist keyed by the evsel. The global rblist of metric events
|
|
* generally exists in perf_stat_config. The evsel is looked up in the rblist
|
|
* yielding a list of metric_expr.
|
|
*/
|
|
struct metric_event {
|
|
struct rb_node nd;
|
|
struct evsel *evsel;
|
|
struct list_head head; /* list of metric_expr */
|
|
};
|
|
|
|
/**
|
|
* A metric referenced by a metric_expr. When parsing a metric expression IDs
|
|
* will be looked up, matching either a value (from metric_events) or a
|
|
* metric_ref. A metric_ref will then be parsed recursively. The metric_refs and
|
|
* metric_events need to be known before parsing so that their values may be
|
|
* placed in the parse context for lookup.
|
|
*/
|
|
struct metric_ref {
|
|
const char *metric_name;
|
|
const char *metric_expr;
|
|
};
|
|
|
|
/**
|
|
* One in a list of metric_expr associated with an evsel. The data is used to
|
|
* generate a metric value during stat output.
|
|
*/
|
|
struct metric_expr {
|
|
struct list_head nd;
|
|
/** The expression to parse, for example, "instructions/cycles". */
|
|
const char *metric_expr;
|
|
/** The name of the meric such as "IPC". */
|
|
const char *metric_name;
|
|
/**
|
|
* The "ScaleUnit" that scales and adds a unit to the metric during
|
|
* output. For example, "6.4e-05MiB" means to scale the resulting metric
|
|
* by 6.4e-05 (typically converting a unit like cache lines to something
|
|
* more human intelligible) and then add "MiB" afterward when displayed.
|
|
*/
|
|
const char *metric_unit;
|
|
/** Null terminated array of events used by the metric. */
|
|
struct evsel **metric_events;
|
|
/** Null terminated array of referenced metrics. */
|
|
struct metric_ref *metric_refs;
|
|
/** A value substituted for '?' during parsing. */
|
|
int runtime;
|
|
};
|
|
|
|
struct metric_event *metricgroup__lookup(struct rblist *metric_events,
|
|
struct evsel *evsel,
|
|
bool create);
|
|
int metricgroup__parse_groups(struct evlist *perf_evlist,
|
|
const char *str,
|
|
bool metric_no_group,
|
|
bool metric_no_merge,
|
|
const char *user_requested_cpu_list,
|
|
bool system_wide,
|
|
struct rblist *metric_events);
|
|
int metricgroup__parse_groups_test(struct evlist *evlist,
|
|
const struct pmu_metrics_table *table,
|
|
const char *str,
|
|
bool metric_no_group,
|
|
bool metric_no_merge,
|
|
struct rblist *metric_events);
|
|
|
|
void metricgroup__print(const struct print_callbacks *print_cb, void *print_state);
|
|
bool metricgroup__has_metric(const char *metric);
|
|
int arch_get_runtimeparam(const struct pmu_metric *pm);
|
|
void metricgroup__rblist_exit(struct rblist *metric_events);
|
|
|
|
int metricgroup__copy_metric_events(struct evlist *evlist, struct cgroup *cgrp,
|
|
struct rblist *new_metric_events,
|
|
struct rblist *old_metric_events);
|
|
#endif
|