Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Builtin evlist command: Show the list of event selectors present |
| 3 | * in a perf.data file. |
| 4 | */ |
| 5 | #include "builtin.h" |
| 6 | |
| 7 | #include "util/util.h" |
| 8 | |
| 9 | #include <linux/list.h> |
| 10 | |
| 11 | #include "perf.h" |
| 12 | #include "util/evlist.h" |
| 13 | #include "util/evsel.h" |
| 14 | #include "util/parse-events.h" |
| 15 | #include "util/parse-options.h" |
| 16 | #include "util/session.h" |
| 17 | |
Arnaldo Carvalho de Melo | 26252ea | 2012-05-22 14:30:11 -0300 | [diff] [blame] | 18 | struct perf_attr_details { |
| 19 | bool freq; |
| 20 | bool verbose; |
| 21 | }; |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 22 | |
Arnaldo Carvalho de Melo | 26252ea | 2012-05-22 14:30:11 -0300 | [diff] [blame] | 23 | static int comma_printf(bool *first, const char *fmt, ...) |
| 24 | { |
| 25 | va_list args; |
| 26 | int ret = 0; |
| 27 | |
| 28 | if (!*first) { |
| 29 | ret += printf(","); |
| 30 | } else { |
| 31 | ret += printf(":"); |
| 32 | *first = false; |
| 33 | } |
| 34 | |
| 35 | va_start(args, fmt); |
| 36 | ret += vprintf(fmt, args); |
| 37 | va_end(args); |
| 38 | return ret; |
| 39 | } |
| 40 | |
| 41 | static int __if_print(bool *first, const char *field, u64 value) |
| 42 | { |
| 43 | if (value == 0) |
| 44 | return 0; |
| 45 | |
| 46 | return comma_printf(first, " %s: %" PRIu64, field, value); |
| 47 | } |
| 48 | |
| 49 | #define if_print(field) __if_print(&first, #field, pos->attr.field) |
| 50 | |
| 51 | static int __cmd_evlist(const char *input_name, struct perf_attr_details *details) |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 52 | { |
| 53 | struct perf_session *session; |
| 54 | struct perf_evsel *pos; |
| 55 | |
| 56 | session = perf_session__new(input_name, O_RDONLY, 0, false, NULL); |
| 57 | if (session == NULL) |
| 58 | return -ENOMEM; |
| 59 | |
Arnaldo Carvalho de Melo | 26252ea | 2012-05-22 14:30:11 -0300 | [diff] [blame] | 60 | list_for_each_entry(pos, &session->evlist->entries, node) { |
| 61 | bool first = true; |
| 62 | |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame^] | 63 | printf("%s", perf_evsel__name(pos)); |
Arnaldo Carvalho de Melo | 26252ea | 2012-05-22 14:30:11 -0300 | [diff] [blame] | 64 | |
| 65 | if (details->verbose || details->freq) { |
| 66 | comma_printf(&first, " sample_freq=%" PRIu64, |
| 67 | (u64)pos->attr.sample_freq); |
| 68 | } |
| 69 | |
| 70 | if (details->verbose) { |
| 71 | if_print(type); |
| 72 | if_print(config); |
| 73 | if_print(config1); |
| 74 | if_print(config2); |
| 75 | if_print(size); |
| 76 | if_print(sample_type); |
| 77 | if_print(read_format); |
| 78 | if_print(disabled); |
| 79 | if_print(inherit); |
| 80 | if_print(pinned); |
| 81 | if_print(exclusive); |
| 82 | if_print(exclude_user); |
| 83 | if_print(exclude_kernel); |
| 84 | if_print(exclude_hv); |
| 85 | if_print(exclude_idle); |
| 86 | if_print(mmap); |
| 87 | if_print(comm); |
| 88 | if_print(freq); |
| 89 | if_print(inherit_stat); |
| 90 | if_print(enable_on_exec); |
| 91 | if_print(task); |
| 92 | if_print(watermark); |
| 93 | if_print(precise_ip); |
| 94 | if_print(mmap_data); |
| 95 | if_print(sample_id_all); |
| 96 | if_print(exclude_host); |
| 97 | if_print(exclude_guest); |
| 98 | if_print(__reserved_1); |
| 99 | if_print(wakeup_events); |
| 100 | if_print(bp_type); |
| 101 | if_print(branch_sample_type); |
| 102 | } |
| 103 | |
| 104 | putchar('\n'); |
| 105 | } |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 106 | |
| 107 | perf_session__delete(session); |
| 108 | return 0; |
| 109 | } |
| 110 | |
| 111 | static const char * const evlist_usage[] = { |
| 112 | "perf evlist [<options>]", |
| 113 | NULL |
| 114 | }; |
| 115 | |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 116 | int cmd_evlist(int argc, const char **argv, const char *prefix __used) |
| 117 | { |
Arnaldo Carvalho de Melo | 26252ea | 2012-05-22 14:30:11 -0300 | [diff] [blame] | 118 | struct perf_attr_details details = { .verbose = false, }; |
Arnaldo Carvalho de Melo | a1d44b9 | 2012-05-23 21:47:51 -0300 | [diff] [blame] | 119 | const char *input_name = NULL; |
Arnaldo Carvalho de Melo | 26252ea | 2012-05-22 14:30:11 -0300 | [diff] [blame] | 120 | const struct option options[] = { |
| 121 | OPT_STRING('i', "input", &input_name, "file", |
| 122 | "Input file name"), |
| 123 | OPT_BOOLEAN('F', "freq", &details.freq, |
| 124 | "Show the sample frequency"), |
| 125 | OPT_BOOLEAN('v', "verbose", &details.verbose, |
| 126 | "Show all event attr details"), |
| 127 | OPT_END() |
| 128 | }; |
| 129 | |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 130 | argc = parse_options(argc, argv, options, evlist_usage, 0); |
| 131 | if (argc) |
| 132 | usage_with_options(evlist_usage, options); |
| 133 | |
Arnaldo Carvalho de Melo | 26252ea | 2012-05-22 14:30:11 -0300 | [diff] [blame] | 134 | return __cmd_evlist(input_name, &details); |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 135 | } |