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/* SPDX-License-Identifier: GPL-2.0 */
/*
* perf iostat
*
* Copyright (C) 2020, Intel Corporation
*
* Authors: Alexander Antonov <alexander.antonov@linux.intel.com>
*/
#ifndef _IOSTAT_H
#define _IOSTAT_H
#include <subcmd/parse-options.h>
#include "util/stat.h"
#include "util/parse-events.h"
#include "util/evlist.h"
struct option;
struct perf_stat_config;
struct evlist;
struct timespec;
enum iostat_mode_t {
IOSTAT_NONE = -1,
IOSTAT_RUN = 0,
IOSTAT_LIST = 1
};
extern enum iostat_mode_t iostat_mode;
typedef void (*iostat_print_counter_t)(struct perf_stat_config *, struct evsel *, void *);
int iostat_prepare(struct evlist *evlist, struct perf_stat_config *config);
int iostat_parse(const struct option *opt, const char *str,
int unset __maybe_unused);
void iostat_list(struct evlist *evlist, struct perf_stat_config *config);
void iostat_release(struct evlist *evlist);
void iostat_prefix(struct evlist *evlist, struct perf_stat_config *config,
char *prefix, struct timespec *ts);
void iostat_print_header_prefix(struct perf_stat_config *config);
void iostat_print_metric(struct perf_stat_config *config, struct evsel *evsel,
struct perf_stat_output_ctx *out);
void iostat_print_counters(struct evlist *evlist,
struct perf_stat_config *config, struct timespec *ts,
char *prefix, iostat_print_counter_t print_cnt_cb, void *arg);
#endif /* _IOSTAT_H */
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