src,doc: add doc of --prof flag to help command

ohbarye · jasnell · commit 9461f327f50c · 2018-05-23T08:47:30.000-07:00
Fixes: nodejs#16459 PR-URL: nodejs#20845 Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: Matheus Marchini <matheus@sthima.com> Reviewed-By: James M Snell <jasnell@gmail.com>
diff --git a/doc/api/cli.md b/doc/api/cli.md
@@ -240,6 +240,13 @@ resolving relative paths.
 
 See `--preserve-symlinks` for more information.
 
+### `--prof`
+<!-- YAML
+added: v2.0.0
+-->
+
+Generate V8 profiler output.
+
 ### `--prof-process`
 <!-- YAML
 added: v5.2.0
diff --git a/doc/node.1 b/doc/node.1
@@ -149,6 +149,9 @@ Instructs the module loader to preserve symbolic links when resolving and cachin
 .It Fl -preserve-symlinks-main
 Instructs the module loader to preserve symbolic links when resolving and caching the main module.
 .
+.It Fl -prof
+Generate V8 profiler output.
+.
 .It Fl -prof-process
 Process V8 profiler output generated using the V8 option
 .Fl -prof .
diff --git a/src/node.cc b/src/node.cc
@@ -3234,7 +3234,8 @@ static void PrintHelp() {
          "  --preserve-symlinks-main   preserve symbolic links when resolving\n"
          "                             the main module\n"
 #endif
-         "  --prof-process             process v8 profiler output generated\n"
+         "  --prof                     generate V8 profiler output\n"
+         "  --prof-process             process V8 profiler output generated\n"
          "                             using --prof\n"
          "  --redirect-warnings=file\n"
          "                             write warnings to file instead of\n"
