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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * perf iostat4 *5 * Copyright (C) 2020, Intel Corporation6 *7 * Authors: Alexander Antonov <alexander.antonov@linux.intel.com>8 */9 10#ifndef _IOSTAT_H11#define _IOSTAT_H12 13#include <subcmd/parse-options.h>14#include "util/stat.h"15#include "util/parse-events.h"16#include "util/evlist.h"17 18struct option;19struct perf_stat_config;20struct evlist;21struct timespec;22 23enum iostat_mode_t {24 IOSTAT_NONE = -1,25 IOSTAT_RUN = 0,26 IOSTAT_LIST = 127};28 29extern enum iostat_mode_t iostat_mode;30 31typedef void (*iostat_print_counter_t)(struct perf_stat_config *, struct evsel *, void *);32 33int iostat_prepare(struct evlist *evlist, struct perf_stat_config *config);34int iostat_parse(const struct option *opt, const char *str,35 int unset __maybe_unused);36void iostat_list(struct evlist *evlist, struct perf_stat_config *config);37void iostat_release(struct evlist *evlist);38void iostat_prefix(struct evlist *evlist, struct perf_stat_config *config,39 char *prefix, struct timespec *ts);40void iostat_print_header_prefix(struct perf_stat_config *config);41void iostat_print_metric(struct perf_stat_config *config, struct evsel *evsel,42 struct perf_stat_output_ctx *out);43void iostat_print_counters(struct evlist *evlist,44 struct perf_stat_config *config, struct timespec *ts,45 char *prefix, iostat_print_counter_t print_cnt_cb, void *arg);46 47#endif /* _IOSTAT_H */48