1 files changed, 47 insertions, 0 deletions
diff --git a/tools/perf/util/iostat.h b/tools/perf/util/iostat.h
new file mode 100644
index 000000000..23c1c46a3
--- /dev/null
+++ b/tools/perf/util/iostat.h
@@ -0,0 +1,47 @@
+/* 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 *, char *);
+
+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);
+
+#endif /* _IOSTAT_H */