diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/Documentation/perf-evlist.txt | 8 | ||||
| -rw-r--r-- | tools/perf/builtin-evlist.c | 103 |
2 files changed, 100 insertions, 11 deletions
diff --git a/tools/perf/Documentation/perf-evlist.txt b/tools/perf/Documentation/perf-evlist.txt index 0507ec7..1521734 100644 --- a/tools/perf/Documentation/perf-evlist.txt +++ b/tools/perf/Documentation/perf-evlist.txt @@ -20,6 +20,14 @@ OPTIONS --input=:: Input file name. (default: perf.data unless stdin is a fifo) +-F:: +--freq=:: + Show just the sample frequency used for each event. + +-v:: +--verbose=:: + Show all fields. + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-list[1], diff --git a/tools/perf/builtin-evlist.c b/tools/perf/builtin-evlist.c index 2676032..e52d77e 100644 --- a/tools/perf/builtin-evlist.c +++ b/tools/perf/builtin-evlist.c @@ -15,9 +15,40 @@ #include "util/parse-options.h" #include "util/session.h" -static const char *input_name; +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(void) +static int __cmd_evlist(const char *input_name, struct perf_attr_details *details) { struct perf_session *session; struct perf_evsel *pos; @@ -26,8 +57,52 @@ static int __cmd_evlist(void) if (session == NULL) return -ENOMEM; - list_for_each_entry(pos, &session->evlist->entries, node) - printf("%s\n", event_name(pos)); + list_for_each_entry(pos, &session->evlist->entries, node) { + bool first = true; + + printf("%s", event_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; @@ -38,17 +113,23 @@ static const char * const evlist_usage[] = { NULL }; -static const struct option options[] = { - OPT_STRING('i', "input", &input_name, "file", - "input file name"), - OPT_END() -}; - int cmd_evlist(int argc, const char **argv, const char *prefix __used) { + struct perf_attr_details details = { .verbose = false, }; + const char *input_name; + 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(); + return __cmd_evlist(input_name, &details); } |
