From 7efadb953285051fb7d65312a800284e54a296bd Mon Sep 17 00:00:00 2001
From: Marvin Blauth <marvin@slatanic.org>
Date: Thu, 11 Aug 2022 16:52:33 +0200
Subject: [PATCH] #6: Document usage of -M command line option

---
 README.md                                         | 3 ++-
 src/main/java/jdump/cli/CommandLineArguments.java | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 025c3f9..96a8d09 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ Currently supported are
 
 ## Usage
 ```
-java -jar jdump.jar [-f<folder name>] [-A] [-H] [-J] [-d<duration in seconds>] [-N] [-T]
+java -jar jdump.jar [-f<folder name>] [-A] [-H] [-J] [-d<duration in seconds>] [-M] [-N] [-T]
 
 Options:
 start without options to show UI, if not on a headless system
@@ -25,6 +25,7 @@ start without options to show UI, if not on a headless system
 -A: produce all types of dumps for all JVMs running locally
 -H: produce heap dumps for all JVMs running locally
 -J: produce JFRs for all JVMs running locally
+-M: produce mallinfo() stats on Linux with glibc
 -d<duration in seconds>: the duration selected for the JFRs, in seconds, default: 5
 -N: product Native Memory Tracks for all JVMs running locally
 -T: produce thread dumps for all JVMs running locally
diff --git a/src/main/java/jdump/cli/CommandLineArguments.java b/src/main/java/jdump/cli/CommandLineArguments.java
index 307cc70..d7326ee 100644
--- a/src/main/java/jdump/cli/CommandLineArguments.java
+++ b/src/main/java/jdump/cli/CommandLineArguments.java
@@ -58,7 +58,7 @@ private static Optional<String> getLastOf(List<String> argList, String parameter
     }
 
     private void showUsageInformation() {
-        System.out.println("Usage: jdump [-f<folder name>] [-A] [-H] [-J] [-d<duration in seconds>] [-N] [-M] [-T]");
+        System.out.println("Usage: jdump [-f<folder name>] [-A] [-H] [-J] [-d<duration in seconds>] [-M] [-N] [-T]");
         System.out.println();
         System.out.println("Options:");
         System.out.println("start without options to show UI, if not on a headless system");