diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-stat.c | 42 | ||||
| -rw-r--r-- | tools/perf/util/parse-options.c | 3 |
2 files changed, 29 insertions, 16 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 1a9c95d270aa..0fc1c941a73c 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -1596,7 +1596,7 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) "perf stat [<options>] [<command>]", NULL }; - int status = -ENOMEM, run_idx; + int status = -EINVAL, run_idx; const char *mode; setlocale(LC_ALL, ""); @@ -1614,12 +1614,15 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) if (output_name && output_fd) { fprintf(stderr, "cannot use both --output and --log-fd\n"); - usage_with_options(stat_usage, options); + parse_options_usage(stat_usage, options, "o", 1); + parse_options_usage(NULL, options, "log-fd", 0); + goto out; } if (output_fd < 0) { fprintf(stderr, "argument to --log-fd must be a > 0\n"); - usage_with_options(stat_usage, options); + parse_options_usage(stat_usage, options, "log-fd", 0); + goto out; } if (!output) { @@ -1656,7 +1659,9 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) /* User explicitly passed -B? */ if (big_num_opt == 1) { fprintf(stderr, "-B option not supported with -x\n"); - usage_with_options(stat_usage, options); + parse_options_usage(stat_usage, options, "B", 1); + parse_options_usage(NULL, options, "x", 1); + goto out; } else /* Nope, so disable big number formatting */ big_num = false; } else if (big_num_opt == 0) /* User passed --no-big-num */ @@ -1666,7 +1671,9 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) usage_with_options(stat_usage, options); if (run_count < 0) { - usage_with_options(stat_usage, options); + pr_err("Run count must be a positive number\n"); + parse_options_usage(stat_usage, options, "r", 1); + goto out; } else if (run_count == 0) { forever = true; run_count = 1; @@ -1678,8 +1685,10 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) fprintf(stderr, "both cgroup and no-aggregation " "modes only available in system-wide mode\n"); - usage_with_options(stat_usage, options); - return -1; + parse_options_usage(stat_usage, options, "G", 1); + parse_options_usage(NULL, options, "A", 1); + parse_options_usage(NULL, options, "a", 1); + goto out; } if (add_default_attributes()) @@ -1688,25 +1697,28 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) perf_target__validate(&target); if (perf_evlist__create_maps(evsel_list, &target) < 0) { - if (perf_target__has_task(&target)) + if (perf_target__has_task(&target)) { pr_err("Problems finding threads of monitor\n"); - if (perf_target__has_cpu(&target)) + parse_options_usage(stat_usage, options, "p", 1); + parse_options_usage(NULL, options, "t", 1); + } else if (perf_target__has_cpu(&target)) { perror("failed to parse CPUs map"); - - usage_with_options(stat_usage, options); - return -1; + parse_options_usage(stat_usage, options, "C", 1); + parse_options_usage(NULL, options, "a", 1); + } + goto out; } if (interval && interval < 100) { pr_err("print interval must be >= 100ms\n"); - usage_with_options(stat_usage, options); - return -1; + parse_options_usage(stat_usage, options, "I", 1); + goto out_free_maps; } if (perf_evlist__alloc_stats(evsel_list, interval)) goto out_free_maps; if (perf_stat_init_aggr_mode()) - goto out; + goto out_free_maps; /* * We dont want to block the signals - that would cause diff --git a/tools/perf/util/parse-options.c b/tools/perf/util/parse-options.c index 1caf7b9a01ee..31f404a032a9 100644 --- a/tools/perf/util/parse-options.c +++ b/tools/perf/util/parse-options.c @@ -569,7 +569,7 @@ int parse_options_usage(const char * const *usagestr, const char *optstr, bool short_opt) { if (!usagestr) - return PARSE_OPT_HELP; + goto opt; fprintf(stderr, "\n usage: %s\n", *usagestr++); while (*usagestr && **usagestr) @@ -582,6 +582,7 @@ int parse_options_usage(const char * const *usagestr, } fputc('\n', stderr); +opt: for ( ; opts->type != OPTION_END; opts++) { if (short_opt) { if (opts->short_name == *optstr) |