1 // SPDX-License-Identifier: GPL-2.0 2 #include "util/iostat.h" 3 #include "util/debug.h" 4 5 enum 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