From 3233ad49342de96e02df66dbe839dac2892c9953 Mon Sep 17 00:00:00 2001
From: Steve Schnepp <steve.schnepp@pwkf.org>
Date: Sat, 12 Oct 2013 20:50:02 +0200
Subject: [PATCH 1/6] p: adding a cpu freq 1 sec for RPi

---
 plugins/rpi/cpu_freq_1sec | 53 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100755 plugins/rpi/cpu_freq_1sec

diff --git a/plugins/rpi/cpu_freq_1sec b/plugins/rpi/cpu_freq_1sec
new file mode 100755
index 00000000..90698dbf
--- /dev/null
+++ b/plugins/rpi/cpu_freq_1sec
@@ -0,0 +1,53 @@
+#! /bin/sh
+# (c) 2013 - LGPL - Steve Schnepp <steve.schnepp@pwkf.org>
+
+pluginfull="$0"                 # full name of plugin
+plugin="${0##*/}"               # name of plugin
+pidfile="$MUNIN_PLUGSTATE/munin.$plugin.pid"
+cache="$MUNIN_PLUGSTATE/munin.$plugin.value"
+
+
+if [ ! -r "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq" ]
+then
+	echo "# Cannot read CPU Freq"
+	exit 1
+fi
+
+if [ "$1" = "acquire" ]
+then
+        (
+                while sleep 1
+                do
+                        echo $(
+                                date +%s
+                                cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
+                        )
+                done | awk "{
+                                print \"scaling_cur_freq.value \" \$1 \":\" \$2;
+				system(\"\");
+                        }" >> $cache
+        ) &
+        echo $! > $pidfile
+        exit 0
+fi
+
+
+if [ "$1" = "config" ]
+then
+        cat <<EOF
+graph_title CPU Freq 1sec stats
+graph_category 1sec::cpu
+graph_data_size custom 1d, 10s for 1w, 1m for 1t, 5m for 1y
+graph_vlabel Hz
+update_rate 1
+scaling_cur_freq.label Current CPU Scaling Frequence
+scaling_cur_freq.type DERIVE
+EOF
+        exit 0
+fi
+
+# values
+cat ${cache}
+> ${cache}
+
+exit 0

From 6af19f5558347cc221574b28e68f1279d00fa954 Mon Sep 17 00:00:00 2001
From: Steve Schnepp <steve.schnepp@pwkf.org>
Date: Sat, 12 Oct 2013 20:57:26 +0200
Subject: [PATCH 2/6] p: adding a temp plugin for RPi

---
 plugins/rpi/rpi_temp | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100755 plugins/rpi/rpi_temp

diff --git a/plugins/rpi/rpi_temp b/plugins/rpi/rpi_temp
new file mode 100755
index 00000000..9f38b802
--- /dev/null
+++ b/plugins/rpi/rpi_temp
@@ -0,0 +1,33 @@
+#! /bin/sh
+# (c) 2013 - LGPL - Steve Schnepp <steve.schnepp@pwkf.org>
+
+pluginfull="$0"                 # full name of plugin
+plugin="${0##*/}"               # name of plugin
+pidfile="$MUNIN_PLUGSTATE/munin.$plugin.pid"
+cache="$MUNIN_PLUGSTATE/munin.$plugin.value"
+
+
+if [ ! -r "/sys/class/thermal/thermal_zone0/temp" ]
+then
+	echo "# Cannot read CPU Temp"
+	exit 1
+fi
+
+
+if [ "$1" = "config" ]
+then
+        cat <<EOF
+graph_title CPU Temp
+graph_category system
+graph_vlabel C
+thermal_zone0.label Current CPU Temp
+EOF
+        exit 0
+fi
+
+# values
+TEMP_MILLI_C=$(cat /sys/class/thermal/thermal_zone0/temp)
+
+echo thermal_zone0.value $( echo "$TEMP_MILLI_C / 1000" | bc )
+
+exit 0

From 61fe1573cbef067a51494dc344aba6e000ffd00d Mon Sep 17 00:00:00 2001
From: Steve Schnepp <steve.schnepp@pwkf.org>
Date: Sat, 12 Oct 2013 20:59:22 +0200
Subject: [PATCH 3/6] p/rpi_temp: adding a milli precision

---
 plugins/rpi/rpi_temp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/rpi/rpi_temp b/plugins/rpi/rpi_temp
index 9f38b802..8eff2283 100755
--- a/plugins/rpi/rpi_temp
+++ b/plugins/rpi/rpi_temp
@@ -28,6 +28,6 @@ fi
 # values
 TEMP_MILLI_C=$(cat /sys/class/thermal/thermal_zone0/temp)
 
-echo thermal_zone0.value $( echo "$TEMP_MILLI_C / 1000" | bc )
+echo thermal_zone0.value $( echo "scale=3; $TEMP_MILLI_C / 1000" | bc )
 
 exit 0

From 48d3de6056f4419147732df6ad179990a8732230 Mon Sep 17 00:00:00 2001
From: Steve Schnepp <steve.schnepp@pwkf.org>
Date: Fri, 6 Dec 2013 21:09:24 +0100
Subject: [PATCH 4/6] p/cpu_freq_1sec: fix the unit & the DS type

---
 plugins/rpi/cpu_freq_1sec | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/plugins/rpi/cpu_freq_1sec b/plugins/rpi/cpu_freq_1sec
index 90698dbf..91286818 100755
--- a/plugins/rpi/cpu_freq_1sec
+++ b/plugins/rpi/cpu_freq_1sec
@@ -23,7 +23,7 @@ then
                                 cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
                         )
                 done | awk "{
-                                print \"scaling_cur_freq.value \" \$1 \":\" \$2;
+                    print \"scaling_cur_freq.value \" \$1 \":\" (\$2 * 1000);
 				system(\"\");
                         }" >> $cache
         ) &
@@ -41,7 +41,7 @@ graph_data_size custom 1d, 10s for 1w, 1m for 1t, 5m for 1y
 graph_vlabel Hz
 update_rate 1
 scaling_cur_freq.label Current CPU Scaling Frequence
-scaling_cur_freq.type DERIVE
+scaling_cur_freq.type GAUGE
 EOF
         exit 0
 fi

From 3669b92a609f158347cbf3e5313c364bbd1b111d Mon Sep 17 00:00:00 2001
From: Steve Schnepp <steve.schnepp@pwkf.org>
Date: Fri, 6 Dec 2013 21:10:00 +0100
Subject: [PATCH 5/6] p/cpu_freq_1sec: fix the indentation

---
 plugins/rpi/cpu_freq_1sec | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/plugins/rpi/cpu_freq_1sec b/plugins/rpi/cpu_freq_1sec
index 91286818..384985c1 100755
--- a/plugins/rpi/cpu_freq_1sec
+++ b/plugins/rpi/cpu_freq_1sec
@@ -24,8 +24,8 @@ then
                         )
                 done | awk "{
                     print \"scaling_cur_freq.value \" \$1 \":\" (\$2 * 1000);
-				system(\"\");
-                        }" >> $cache
+                    system(\"\");
+                }" >> $cache
         ) &
         echo $! > $pidfile
         exit 0

From ca5aafbec7c50f44a95799a5098895a747123648 Mon Sep 17 00:00:00 2001
From: Steve Schnepp <steve.schnepp@pwkf.org>
Date: Sat, 7 Dec 2013 15:24:09 +0100
Subject: [PATCH 6/6] p/cpu_freq_1sec: adding a description

---
 plugins/rpi/cpu_freq_1sec | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/plugins/rpi/cpu_freq_1sec b/plugins/rpi/cpu_freq_1sec
index 384985c1..44e01214 100755
--- a/plugins/rpi/cpu_freq_1sec
+++ b/plugins/rpi/cpu_freq_1sec
@@ -1,4 +1,8 @@
 #! /bin/sh
+# 
+# This is a small supersampling plugin that does 
+# cpu sampling every 1 second.
+# 
 # (c) 2013 - LGPL - Steve Schnepp <steve.schnepp@pwkf.org>
 
 pluginfull="$0"                 # full name of plugin