Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752632AbbB0KTn (ORCPT ); Fri, 27 Feb 2015 05:19:43 -0500 Received: from szxga01-in.huawei.com ([119.145.14.64]:33736 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752247AbbB0KTi (ORCPT ); Fri, 27 Feb 2015 05:19:38 -0500 From: Yunlong Song To: , , , CC: , Subject: [PATCH v3 5/7] perf list: Avoid confusion of perf output and the next command prompt Date: Fri, 27 Feb 2015 18:21:29 +0800 Message-ID: <1425032491-20224-6-git-send-email-yunlong.song@huawei.com> X-Mailer: git-send-email 1.8.4.5 In-Reply-To: <1425032491-20224-1-git-send-email-yunlong.song@huawei.com> References: <1425032491-20224-1-git-send-email-yunlong.song@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.110.52.30] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1865 Lines: 63 Distinguish the output of 'perf list --list-opts' or 'perf --list-cmds' with the next command prompt, which also happens in other cases (e.g. record, report ...). Example: Before this patch: $perf list --list-opts --raw-dump $ <-- the output and the next command prompt are at the same line After this patch: $perf list --list-opts --raw-dump $ <-- the new line Signed-off-by: Yunlong Song --- tools/perf/perf.c | 1 + tools/perf/util/parse-options.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/tools/perf/perf.c b/tools/perf/perf.c index f3c66b8..3df2665 100644 --- a/tools/perf/perf.c +++ b/tools/perf/perf.c @@ -223,6 +223,7 @@ static int handle_options(const char ***argv, int *argc, int *envchanged) struct cmd_struct *p = commands+i; printf("%s ", p->cmd); } + putchar('\n'); exit(0); } else if (!strcmp(cmd, "--debug")) { if (*argc < 2) { diff --git a/tools/perf/util/parse-options.c b/tools/perf/util/parse-options.c index 4ee9a86..b0ef2d8 100644 --- a/tools/perf/util/parse-options.c +++ b/tools/perf/util/parse-options.c @@ -508,12 +508,14 @@ int parse_options_subcommand(int argc, const char **argv, const struct option *o printf("--%s ", options->long_name); options++; } + putchar('\n'); exit(130); case PARSE_OPT_LIST_SUBCMDS: if (subcommands) { for (int i = 0; subcommands[i]; i++) printf("%s ", subcommands[i]); } + putchar('\n'); exit(130); default: /* PARSE_OPT_UNKNOWN */ if (ctx.argv[0][1] == '-') { -- 1.8.5.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/