perf/util/iostat.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 #include "util/iostat.h"
0003 #include "util/debug.h"
0004
0005 enum iostat_mode_t iostat_mode = IOSTAT_NONE;
0006
0007 __weak int iostat_prepare(struct evlist *evlist __maybe_unused,
0008               struct perf_stat_config *config __maybe_unused)
0009 {
0010     return -1;
0011 }
0012
0013 __weak int iostat_parse(const struct option *opt __maybe_unused,
0014              const char *str __maybe_unused,
0015              int unset __maybe_unused)
0016 {
0017     pr_err("iostat mode is not supported on current platform\n");
0018     return -1;
0019 }
0020
0021 __weak void iostat_list(struct evlist *evlist __maybe_unused,
0022                struct perf_stat_config *config __maybe_unused)
0023 {
0024 }
0025
0026 __weak void iostat_release(struct evlist *evlist __maybe_unused)
0027 {
0028 }
0029
0030 __weak void iostat_print_header_prefix(struct perf_stat_config *config __maybe_unused)
0031 {
0032 }
0033
0034 __weak void iostat_print_metric(struct perf_stat_config *config __maybe_unused,
0035                 struct evsel *evsel __maybe_unused,
0036                 struct perf_stat_output_ctx *out __maybe_unused)
0037 {
0038 }
0039
0040 __weak void iostat_prefix(struct evlist *evlist __maybe_unused,
0041               struct perf_stat_config *config __maybe_unused,
0042               char *prefix __maybe_unused,
0043               struct timespec *ts __maybe_unused)
0044 {
0045 }
0046
0047 __weak void iostat_print_counters(struct evlist *evlist __maybe_unused,
0048                   struct perf_stat_config *config __maybe_unused,
0049                   struct timespec *ts __maybe_unused,
0050                   char *prefix __maybe_unused,
0051                   iostat_print_counter_t print_cnt_cb __maybe_unused)
0052 {
0053 }