diff options
Diffstat (limited to 'tools/perf/perf.c')
| -rw-r--r-- | tools/perf/perf.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/tools/perf/perf.c b/tools/perf/perf.c index 921bee0a64..bd3f80b5bb 100644 --- a/tools/perf/perf.c +++ b/tools/perf/perf.c @@ -18,6 +18,7 @@ #include <subcmd/run-command.h> #include "util/parse-events.h" #include <subcmd/parse-options.h> +#include <subcmd/help.h> #include "util/debug.h" #include "util/event.h" #include "util/util.h" // usage() @@ -458,7 +459,7 @@ static int libperf_print(enum libperf_print_level level, int main(int argc, const char **argv) { - int err; + int err, done_help = 0; const char *cmd; char sbuf[STRERR_BUFSIZE]; @@ -557,22 +558,32 @@ int main(int argc, const char **argv) pthread__block_sigwinch(); while (1) { - static int done_help; - run_argv(&argc, &argv); if (errno != ENOENT) break; if (!done_help) { - cmd = argv[0] = help_unknown_cmd(cmd); + struct cmdnames main_cmds = {}; + + for (unsigned int i = 0; i < ARRAY_SIZE(commands); i++) { + add_cmdname(&main_cmds, + commands[i].cmd, + strlen(commands[i].cmd)); + } + cmd = argv[0] = help_unknown_cmd(cmd, &main_cmds); + clean_cmdnames(&main_cmds); done_help = 1; + if (!cmd) + break; } else break; } - fprintf(stderr, "Failed to run command '%s': %s\n", - cmd, str_error_r(errno, sbuf, sizeof(sbuf))); + if (cmd) { + fprintf(stderr, "Failed to run command '%s': %s\n", + cmd, str_error_r(errno, sbuf, sizeof(sbuf))); + } out: if (debug_fp) fclose(debug_fp); |