From 591c7837eb8db82142b07b95d8ffb016e1181d1a Mon Sep 17 00:00:00 2001
From: Sergio Bossa <sergio.bossa@gmail.com>
Date: Thu, 4 Oct 2018 16:26:07 +0100
Subject: [PATCH] Print tags in sorted order on summarize.

---
 src/main/java/SummarizeHistogramLogs.java | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/main/java/SummarizeHistogramLogs.java b/src/main/java/SummarizeHistogramLogs.java
index a62f9c7..6f50161 100644
--- a/src/main/java/SummarizeHistogramLogs.java
+++ b/src/main/java/SummarizeHistogramLogs.java
@@ -128,7 +128,7 @@ public void run()
 
     private void summarizeAndPrint() throws FileNotFoundException
     {
-        Map<String, Histogram> sumByTag = new HashMap<>();
+        Map<String, Histogram> sumByTag = new TreeMap<>();
 
         long period = 0;
         long intervalLengthSum = 0;
@@ -228,13 +228,13 @@ private void summarizeAndPrint() throws FileNotFoundException
             }
         }
     }
-    
+
     private boolean shouldSkipTag(String ntag)
     {
         ntag = (ntag == null) ? "default" : ntag;
         return excludeTags.contains(ntag) || (!includeTags.isEmpty() && !includeTags.contains(ntag));
     }
-    
+
     private PrintStream getOut(String tag) throws FileNotFoundException
     {
         PrintStream report = System.out;
@@ -285,7 +285,7 @@ private void printCsv(PrintStream out, Histogram sum)
             out.println(count);
         }
     }
-    
+
     private void printCsvE(PrintStream out, Histogram sum)
     {
         long max = (long) (sum.getMaxValue() / outputValueUnitRatio);