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-rwxr-xr-xhome-manager/yambar/scripts/cpu126
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diff --git a/home-manager/yambar/scripts/cpu b/home-manager/yambar/scripts/cpu
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-#!/bin/bash
-# I didn't write this script; this is almost directly copied from the dnkl/yambar github.
-
-
-# cpu.sh - measures CPU usage at a configurable sample interval
-#
-# Usage: cpu.sh INTERVAL_IN_SECONDS
-#
-# This script will emit the following tags on stdout (N is the number
-# of logical CPUs):
-#
-# Name Type
-# --------------------
-# cpu range 0-100
-# cpu0 range 0-100
-# cpu1 range 0-100
-# ...
-# cpuN-1 range 0-100
-#
-# I.e. ‘cpu’ is the average (or aggregated) CPU usage, while cpuX is a
-# specific CPU’s usage.
-#
-# Example configuration (update every second):
-#
-# - script:
-# path: /path/to/cpu.sh
-# args: [1]
-# content: {string: {text: "{cpu}%"}}
-#
-
-interval=2
-
-case ${interval} in
- ''|*[!0-9]*)
- echo "interval must be an integer"
- exit 1
- ;;
- *)
- ;;
-esac
-
-# Get number of CPUs, by reading /proc/stat
-# The output looks like:
-#
-# cpu A B C D ...
-# cpu0 A B C D ...
-# cpu1 A B C D ...
-# cpuN A B C D ...
-#
-# The first line is a summary line, accounting *all* CPUs
-IFS=$'\n' readarray -t all_cpu_stats < <(grep -e "^cpu" /proc/stat)
-cpu_count=$((${#all_cpu_stats[@]} - 1))
-
-# Arrays of ‘previous’ idle and total stats, needed to calculate the
-# difference between each sample.
-prev_idle=()
-prev_total=()
-for i in $(seq ${cpu_count}); do
- prev_idle+=(0)
- prev_total+=(0)
-done
-
-prev_average_idle=0
-prev_average_total=0
-
-while true; do
- IFS=$'\n' readarray -t all_cpu_stats < <(grep -e "^cpu" /proc/stat)
-
- usage=() # CPU usage in percent, 0 <= x <= 100
-
- average_idle=0 # All CPUs idle time since boot
- average_total=0 # All CPUs total time since boot
-
- for i in $(seq 0 $((cpu_count - 1))); do
- # Split this CPUs stats into an array
- stats=($(echo "${all_cpu_stats[$((i + 1))]}"))
-
- # man procfs(5)
- user=${stats[1]}
- nice=${stats[2]}
- system=${stats[3]}
- idle=${stats[4]}
- iowait=${stats[5]}
- irq=${stats[6]}
- softirq=${stats[7]}
- steal=${stats[8]}
- guest=${stats[9]}
- guestnice=${stats[10]}
-
- # Guest time already accounted for in user
- user=$((user - guest))
- nice=$((nice - guestnice))
-
- idle=$((idle + iowait))
-
- total=$((user + nice + system + irq + softirq + idle + steal + guest + guestnice))
-
- average_idle=$((average_idle + idle))
- average_total=$((average_total + total))
-
- # Diff since last sample
- diff_idle=$((idle - prev_idle[i]))
- diff_total=$((total - prev_total[i]))
-
- usage[i]=$((100 * (diff_total - diff_idle) / diff_total))
-
- prev_idle[i]=${idle}
- prev_total[i]=${total}
- done
-
- diff_average_idle=$((average_idle - prev_average_idle))
- diff_average_total=$((average_total - prev_average_total))
-
- average_usage=$((100 * (diff_average_total - diff_average_idle) / diff_average_total))
-
- prev_average_idle=${average_idle}
- prev_average_total=${average_total}
-
- echo "cpu|range:0-100|${average_usage}"
- for i in $(seq 0 $((cpu_count - 1))); do
- echo "cpu${i}|range:0-100|${usage[i]}"
- done
-
- echo ""
- sleep "${interval}"
-done