| /* |
| * Builtin evlist command: Show the list of event selectors present |
| * in a perf.data file. |
| */ |
| #include "builtin.h" |
| |
| #include "util/util.h" |
| |
| #include <linux/list.h> |
| |
| #include "perf.h" |
| #include "util/evlist.h" |
| #include "util/evsel.h" |
| #include "util/parse-events.h" |
| #include "util/parse-options.h" |
| #include "util/session.h" |
| |
| struct perf_attr_details { |
| bool freq; |
| bool verbose; |
| }; |
| |
| static int comma_printf(bool *first, const char *fmt, ...) |
| { |
| va_list args; |
| int ret = 0; |
| |
| if (!*first) { |
| ret += printf(","); |
| } else { |
| ret += printf(":"); |
| *first = false; |
| } |
| |
| va_start(args, fmt); |
| ret += vprintf(fmt, args); |
| va_end(args); |
| return ret; |
| } |
| |
| static int __if_print(bool *first, const char *field, u64 value) |
| { |
| if (value == 0) |
| return 0; |
| |
| return comma_printf(first, " %s: %" PRIu64, field, value); |
| } |
| |
| #define if_print(field) __if_print(&first, #field, pos->attr.field) |
| |
| static int __cmd_evlist(const char *input_name, struct perf_attr_details *details) |
| { |
| struct perf_session *session; |
| struct perf_evsel *pos; |
| |
| session = perf_session__new(input_name, O_RDONLY, 0, false, NULL); |
| if (session == NULL) |
| return -ENOMEM; |
| |
| list_for_each_entry(pos, &session->evlist->entries, node) { |
| bool first = true; |
| |
| printf("%s", perf_evsel__name(pos)); |
| |
| if (details->verbose || details->freq) { |
| comma_printf(&first, " sample_freq=%" PRIu64, |
| (u64)pos->attr.sample_freq); |
| } |
| |
| if (details->verbose) { |
| if_print(type); |
| if_print(config); |
| if_print(config1); |
| if_print(config2); |
| if_print(size); |
| if_print(sample_type); |
| if_print(read_format); |
| if_print(disabled); |
| if_print(inherit); |
| if_print(pinned); |
| if_print(exclusive); |
| if_print(exclude_user); |
| if_print(exclude_kernel); |
| if_print(exclude_hv); |
| if_print(exclude_idle); |
| if_print(mmap); |
| if_print(comm); |
| if_print(freq); |
| if_print(inherit_stat); |
| if_print(enable_on_exec); |
| if_print(task); |
| if_print(watermark); |
| if_print(precise_ip); |
| if_print(mmap_data); |
| if_print(sample_id_all); |
| if_print(exclude_host); |
| if_print(exclude_guest); |
| if_print(__reserved_1); |
| if_print(wakeup_events); |
| if_print(bp_type); |
| if_print(branch_sample_type); |
| } |
| |
| putchar('\n'); |
| } |
| |
| perf_session__delete(session); |
| return 0; |
| } |
| |
| static const char * const evlist_usage[] = { |
| "perf evlist [<options>]", |
| NULL |
| }; |
| |
| int cmd_evlist(int argc, const char **argv, const char *prefix __used) |
| { |
| struct perf_attr_details details = { .verbose = false, }; |
| const char *input_name = NULL; |
| const struct option options[] = { |
| OPT_STRING('i', "input", &input_name, "file", |
| "Input file name"), |
| OPT_BOOLEAN('F', "freq", &details.freq, |
| "Show the sample frequency"), |
| OPT_BOOLEAN('v', "verbose", &details.verbose, |
| "Show all event attr details"), |
| OPT_END() |
| }; |
| |
| argc = parse_options(argc, argv, options, evlist_usage, 0); |
| if (argc) |
| usage_with_options(evlist_usage, options); |
| |
| return __cmd_evlist(input_name, &details); |
| } |