From a7d149ae75c8fe9c67707e333ba0d4f0adf9ca91 Mon Sep 17 00:00:00 2001
From: Simone Margaritelli <evilsocket@turing.local>
Date: Thu, 26 Sep 2019 11:23:40 +0200
Subject: [PATCH] added cpuusage and memusage scripts
---
sdcard/rootfs/usr/bin/cpuusage | 51 ++++++++++++++++++++++++++++++++++
sdcard/rootfs/usr/bin/memusage | 1 +
2 files changed, 52 insertions(+)
create mode 100755 sdcard/rootfs/usr/bin/cpuusage
create mode 100755 sdcard/rootfs/usr/bin/memusage
diff --git a/sdcard/rootfs/usr/bin/cpuusage b/sdcard/rootfs/usr/bin/cpuusage
new file mode 100755
index 0000000..ea9e63a
--- /dev/null
+++ b/sdcard/rootfs/usr/bin/cpuusage
@@ -0,0 +1,51 @@
+#!/usr/bin/gawk -f
+#-------------------------------------------------------------------------------
+# ~/bin/cpustat : display cpu utilization
+#
+# usage : normally used as a GNU/screen backtick
+#
+# notes : 1. Works on the assumption that /proc/stat's first line
+# : has the total "jiffies" since boot up used by the
+# : different types of tasks in the system. See the
+# : filesystems/proc.txt document in kernel source tree
+# :
+# : 2. Displays a total CPU% (user+system+nice) as well as
+# : user CPU% system CPU% and nice CPU%
+#-------------------------------------------------------------------------------
+BEGIN {
+ file = "/proc/stat"
+ while (getline < file) { # read first line
+ # extract jiffies:
+ user=$2-user_saved; # . user
+ nice=$3-nice_saved; # . nice user
+ syst=$4-syst_saved; # . system
+ idle=$5-idle_saved; # . idle
+ wait=$6-wait_saved; # . iowait
+ irqs=$7-irqs_saved; # . irq
+ sirq=$8-sirq_saved; # . softirq
+
+ cact=user+syst+nice; # what counts
+ ctot=user+nice+syst+idle+wait+irqs+sirq; # total activity
+
+ tcpu=cact/ctot*100; # total % cpu utilization
+ ucpu=user/ctot*100; # user % cpu utilization
+ scpu=syst/ctot*100; # system % cpu utilization
+ ncpu=nice/ctot*100; # nice % cpu utilization
+
+ printf "%.1f %%\n",tcpu
+
+
+ user_saved=$2; # save the current jiffies
+ nice_saved=$3; # values for the next loop
+ syst_saved=$4;
+ idle_saved=$5;
+ wait_saved=$6;
+ irqs_saved=$7;
+ sirq_saved=$8;
+
+ close(file) # re-read file
+
+ system("sleep 3")
+ }
+}
+
diff --git a/sdcard/rootfs/usr/bin/memusage b/sdcard/rootfs/usr/bin/memusage
new file mode 100755
index 0000000..14efdb1
--- /dev/null
+++ b/sdcard/rootfs/usr/bin/memusage
@@ -0,0 +1 @@
+free -m | grep Mem | awk {'printf( "%.1f %", $3 / $2 * 100 )'}