diff options
Diffstat (limited to 'tools/perf/builtin-stat.c')
| -rw-r--r-- | tools/perf/builtin-stat.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 2a2c15cac80a..ba5b31aab86b 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -68,6 +68,7 @@ #include "util/affinity.h" #include "util/pfm.h" #include "util/bpf_counter.h" +#include "util/iostat.h" #include "asm/bug.h" #include <linux/time64.h> @@ -212,7 +213,8 @@ static struct perf_stat_config stat_config = { .walltime_nsecs_stats = &walltime_nsecs_stats, .big_num = true, .ctl_fd = -1, - .ctl_fd_ack = -1 + .ctl_fd_ack = -1, + .iostat_run = false, }; static bool cpus_map_matched(struct evsel *a, struct evsel *b) @@ -1268,6 +1270,9 @@ static struct option stat_options[] = { "\t\t\t Optionally send control command completion ('ack\\n') to ack-fd descriptor.\n" "\t\t\t Alternatively, ctl-fifo / ack-fifo will be opened and used as ctl-fd / ack-fd.", parse_control_option), + OPT_CALLBACK_OPTARG(0, "iostat", &evsel_list, &stat_config, "default", + "measure I/O performance metrics provided by arch/platform", + iostat_parse), OPT_END() }; @@ -2341,6 +2346,17 @@ int cmd_stat(int argc, const char **argv) goto out; } + if (stat_config.iostat_run) { + status = iostat_prepare(evsel_list, &stat_config); + if (status) + goto out; + if (iostat_mode == IOSTAT_LIST) { + iostat_list(evsel_list, &stat_config); + goto out; + } else if (verbose) + iostat_list(evsel_list, &stat_config); + } + if (add_default_attributes()) goto out; @@ -2516,6 +2532,9 @@ int cmd_stat(int argc, const char **argv) perf_stat__exit_aggr_mode(); evlist__free_stats(evsel_list); out: + if (stat_config.iostat_run) + iostat_release(evsel_list); + zfree(&stat_config.walltime_run); if (smi_cost && smi_reset) |