tools/perf/util/iostat.c

   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 }