1  #!/usr/bin/env bash
 2  # setting the locale, some users have issues with different locales, this forces the correct one
 3  export LC_ALL=en_US.UTF-8
 4  
 5  current_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 6  source $current_dir/utils.sh
 7  
 8  get_percent()
 9  {
10    case $(uname -s) in
11      Linux)
12        percent=$(LC_NUMERIC=en_US.UTF-8 top -bn2 -d 0.01 | grep "Cpu(s)" | tail -1 | sed "s/.*, *\([0-9.]*\)%* id.*/\1/" | awk '{print 100 - $1"%"}')
13        normalize_percent_len $percent
14        ;;
15  
16      Darwin)
17        cpuvalue=$(ps -A -o %cpu | awk -F. '{s+=$1} END {print s}')
18        cpucores=$(sysctl -n hw.logicalcpu)
19        cpuusage=$(( cpuvalue / cpucores ))
20        percent="$cpuusage%"
21        normalize_percent_len $percent
22        ;;
23  
24      OpenBSD)
25        cpuvalue=$(ps -A -o %cpu | awk -F. '{s+=$1} END {print s}')
26        cpucores=$(sysctl -n hw.ncpuonline)
27        cpuusage=$(( cpuvalue / cpucores ))
28        percent="$cpuusage%"
29        normalize_percent_len $percent
30        ;;
31  
32      CYGWIN*|MINGW32*|MSYS*|MINGW*)
33        # TODO - windows compatability
34        ;;
35    esac
36  }
37  
38  get_load() {
39    case $(uname -s) in
40    Linux | Darwin | OpenBSD)
41      loadavg=$(uptime | awk -F'[a-z]:' '{ print $2}' | sed 's/,//g')
42      echo $loadavg
43      ;;
44  
45    CYGWIN* | MINGW32* | MSYS* | MINGW*)
46      # TODO - windows compatability
47      ;;
48    esac
49  }
50  
51  main() {
52    # storing the refresh rate in the variable RATE, default is 5
53    RATE=$(get_tmux_option "@dracula-refresh-rate" 5)
54    cpu_load=$(get_tmux_option "@dracula-cpu-display-load" false)
55    cpu_label=$(get_tmux_option "@dracula-cpu-usage-label" "CPU")
56    if [ "$cpu_load" = true ]; then
57      echo "$cpu_label $(get_load)"
58    else
59      cpu_percent=$(get_percent)
60      echo "$cpu_label $cpu_percent"
61    fi
62    sleep $RATE
63  }
64  
65  # run main driver
66  main