55 lines · c
1// SPDX-License-Identifier: GPL-2.02#include "util/iostat.h"3#include "util/debug.h"4 5enum iostat_mode_t iostat_mode = IOSTAT_NONE;6 7__weak int iostat_prepare(struct evlist *evlist __maybe_unused,8 struct perf_stat_config *config __maybe_unused)9{10 return -1;11}12 13__weak int iostat_parse(const struct option *opt __maybe_unused,14 const char *str __maybe_unused,15 int unset __maybe_unused)16{17 pr_err("iostat mode is not supported on current platform\n");18 return -1;19}20 21__weak void iostat_list(struct evlist *evlist __maybe_unused,22 struct perf_stat_config *config __maybe_unused)23{24}25 26__weak void iostat_release(struct evlist *evlist __maybe_unused)27{28}29 30__weak void iostat_print_header_prefix(struct perf_stat_config *config __maybe_unused)31{32}33 34__weak void iostat_print_metric(struct perf_stat_config *config __maybe_unused,35 struct evsel *evsel __maybe_unused,36 struct perf_stat_output_ctx *out __maybe_unused)37{38}39 40__weak void iostat_prefix(struct evlist *evlist __maybe_unused,41 struct perf_stat_config *config __maybe_unused,42 char *prefix __maybe_unused,43 struct timespec *ts __maybe_unused)44{45}46 47__weak void iostat_print_counters(struct evlist *evlist __maybe_unused,48 struct perf_stat_config *config __maybe_unused,49 struct timespec *ts __maybe_unused,50 char *prefix __maybe_unused,51 iostat_print_counter_t print_cnt_cb __maybe_unused,52 void *arg __maybe_unused)53{54}55