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
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