From 0ddc7e2fec48ed30ed0e1eb9de8e4af3fb7641c4 Mon Sep 17 00:00:00 2001
From: Lars Kruse <devel@sumpfralle.de>
Date: Wed, 4 Jul 2018 20:29:52 +0200
Subject: [PATCH] Plugins jstat__*: add format examples

---
 plugins/jvm/jstat__gccount | 3 +++
 plugins/jvm/jstat__gctime  | 3 +++
 plugins/jvm/jstat__heap    | 3 +++
 3 files changed, 9 insertions(+)

diff --git a/plugins/jvm/jstat__gccount b/plugins/jvm/jstat__gccount
index 934713ec..a04eb638 100755
--- a/plugins/jvm/jstat__gccount
+++ b/plugins/jvm/jstat__gccount
@@ -93,6 +93,9 @@ print_stats() {
         # shellcheck disable=SC2016
         awk_script='{ YGC = $11; FGC = $13; print "Young_GC.value " YGC; print "Full_GC.value " FGC; }'
     else
+        # example output of jstat for Java 1.8:
+        #   S0C S1C S0U S1U EC EU OC OU MC MU CCSC CCSU YGC YGCT FGC FGCT GCT
+        #   2048.0 2048.0 0.0 1344.0 694784.0 145013.5 1398272.0 414857.1 102400.0 96308.0 12544.0 11240.1 979 20.997 5 2.705 23.702
         # shellcheck disable=SC2016
         awk_script='{ YGC = $13; FGC = $15; print "Young_GC.value " YGC; print "Full_GC.value " FGC; }'
     fi
diff --git a/plugins/jvm/jstat__gctime b/plugins/jvm/jstat__gctime
index 3cd69f17..7326b46b 100755
--- a/plugins/jvm/jstat__gctime
+++ b/plugins/jvm/jstat__gctime
@@ -109,6 +109,9 @@ print_stats() {
             print "Young_GC.value " YGCT;
             print "Full_GC.value " FGCT; }'
     else
+        # example output of jstat for Java 1.8:
+        #   S0C S1C S0U S1U EC EU OC OU MC MU CCSC CCSU YGC YGCT FGC FGCT GCT
+        #   2048.0 2048.0 0.0 1344.0 694784.0 145013.5 1398272.0 414857.1 102400.0 96308.0 12544.0 11240.1 979 20.997 5 2.705 23.702
         # shellcheck disable=SC2016
         awk_script='{
             YGCT  = $14;
diff --git a/plugins/jvm/jstat__heap b/plugins/jvm/jstat__heap
index 5a2084e2..edf6f411 100755
--- a/plugins/jvm/jstat__heap
+++ b/plugins/jvm/jstat__heap
@@ -143,6 +143,9 @@ print_stats() {
             print "Permanent_Used.value " PU * 1024;
             print "Permanent_Free.value " PF * 1024; }'
     else
+        # example output of jstat for Java 1.8:
+        #   S0C S1C S0U S1U EC EU OC OU MC MU CCSC CCSU YGC YGCT FGC FGCT GCT
+        #   2048.0 2048.0 0.0 1344.0 694784.0 145013.5 1398272.0 414857.1 102400.0 96308.0 12544.0 11240.1 979 20.997 5 2.705 23.702
         # shellcheck disable=SC2016
         awk_script='{
             S0C = $1;