linux-kernel - [PATCH 2/3] perf daemon: Complete supported subcommand in help message

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Date:   Sat, 22 Oct 2022 17:27:34 +0800
From:   Yang Jihong <yangjihong1@...wei.com>
To:     <peterz@...radead.org>, <mingo@...hat.com>, <acme@...nel.org>,
        <mark.rutland@....com>, <alexander.shishkin@...ux.intel.com>,
        <jolsa@...nel.org>, <namhyung@...nel.org>,
        <adrian.hunter@...el.com>, <ak@...ux.intel.com>,
        <linux-perf-users@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <yangjihong1@...wei.com>
Subject: [PATCH 2/3] perf daemon: Complete supported subcommand in help message

perf daemon supports start, signale, stop and ping subcommands, complete it

Before:
  # perf daemon -h
   Usage: perf daemon start [<options>]
      or: perf daemon [<options>]

      -v, --verbose         be more verbose
      -x, --field-separator[=<field separator>]
                            print counts with custom separator
          --base <directory>
                            base directory
          --config <config file>
                            config file path

After:
  # perf daemon -h

   Usage: perf daemon {start|signal|stop|ping} [<options>]
      or: perf daemon [<options>]

      -v, --verbose         be more verbose
      -x, --field-separator[=<field separator>]
                            print counts with custom separator
          --base <directory>
                            base directory
          --config <config file>
                            config file path

Signed-off-by: Yang Jihong <yangjihong1@...wei.com>
---
 tools/perf/builtin-daemon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-daemon.c b/tools/perf/builtin-daemon.c
index b82bd902602a..48698e7fd987 100644
--- a/tools/perf/builtin-daemon.c
+++ b/tools/perf/builtin-daemon.c
@@ -100,7 +100,7 @@ static struct daemon __daemon = {
 };
 
 static const char * const daemon_usage[] = {
-	"perf daemon start [<options>]",
+	"perf daemon {start|signal|stop|ping} [<options>]",
 	"perf daemon [<options>]",
 	NULL
 };
-- 
2.30.GIT