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https://github.com/romkatv/powerlevel10k.git
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speed up ram and swap prompts
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romkatv
parent
3e3da88dbc
commit
b92d510882
2 changed files with 52 additions and 62 deletions
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@ -45,34 +45,18 @@ function _p9k_g_expand() {
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typeset -g $1=${(g::)${(P)1}}
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}
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# Converts large memory values into a human-readable unit (e.g., bytes --> GB)
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# Takes two arguments:
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# * $size - The number which should be prettified
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# * $base - The base of the number (default Bytes)
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printSizeHumanReadable() {
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typeset -F 2 size
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size="$1"+0.00001
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local extension
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extension=('B' 'K' 'M' 'G' 'T' 'P' 'E' 'Z' 'Y')
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local index=1
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typeset -g _P9K_BYTE_SUFFIX=('B' 'K' 'M' 'G' 'T' 'P' 'E' 'Z' 'Y')
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# if the base is not Bytes
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if [[ -n $2 ]]; then
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local idx
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for idx in "${extension[@]}"; do
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if [[ "$2" == "$idx" ]]; then
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break
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fi
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index=$(( index + 1 ))
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# 42 => 42B
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# 1536 => 1.5K
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function _p9k_human_readable_bytes() {
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typeset -F 2 n=$1
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local suf
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for suf in $_P9K_BYTE_SUFFIX; do
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(( n < 100 )) && break
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(( n /= 1024 ))
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done
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fi
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while (( (size / 1024) > 0.1 )); do
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size=$(( size / 1024 ))
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index=$(( index + 1 ))
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done
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echo "$size${extension[$index]}"
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_P9K_RETVAL=$n$suf
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}
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# Determine if the passed segment is used in the prompt
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@ -1279,26 +1279,30 @@ prompt_php_version() {
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################################################################
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# Segment to display free RAM and used Swap
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prompt_ram() {
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local ROOT_PREFIX="${4}"
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local base=''
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local ramfree=0
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if [[ "$OS" == "OSX" ]]; then
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# Available = Free + Inactive
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# See https://support.apple.com/en-us/HT201538
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ramfree=$(vm_stat | grep "Pages free" | grep -o -E '[0-9]+')
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ramfree=$((ramfree + $(vm_stat | grep "Pages inactive" | grep -o -E '[0-9]+')))
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# Convert pages into Bytes
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ramfree=$(( ramfree * 4096 ))
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else
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if [[ "$OS" == "BSD" ]]; then
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ramfree=$(grep 'avail memory' ${ROOT_PREFIX}/var/run/dmesg.boot | awk '{print $4}')
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else
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ramfree=$(grep -o -E "MemAvailable:\s+[0-9]+" ${ROOT_PREFIX}/proc/meminfo | grep -o -E "[0-9]+")
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base='K'
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fi
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fi
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local -F free_bytes
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"$1_prompt_segment" "$0" "$2" "yellow" "$DEFAULT_COLOR" 'RAM_ICON' 0 '' "$(printSizeHumanReadable "$ramfree" $base)"
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case $OS in
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OSX)
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(( $+commands[vm_stat] )) || return
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local stat && stat=$(command vm_stat 2>/dev/null) || return
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[[ $stat =~ 'Pages free:[[:space:]]+([0-9]+)' ]] || return
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(( free_bytes+=match[1] ))
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[[ $stat =~ 'Pages inactive:[[:space:]]+([0-9]+)' ]] || return
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(( free_bytes+=match[1] ))
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(( free_bytes *= 4096 ))
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;;
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BSD)
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local stat && stat=$(command grep -F 'avail memory' /var/run/dmesg.boot 2>/dev/null) || return
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free_bytes=${${(A)=stat}[4]}
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;;
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*)
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local stat && stat=$(command grep -F MemAvailable /proc/meminfo 2>/dev/null) || return
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free_bytes=$(( ${${(A)=stat}[2]} * 1024 ))
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;;
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esac
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_p9k_human_readable_bytes $free_bytes
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$1_prompt_segment $0 $2 yellow "$DEFAULT_COLOR" RAM_ICON 0 '' $_P9K_RETVAL
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}
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function _p9k_read_rbenv_version_file() {
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@ -1505,28 +1509,30 @@ prompt_status() {
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################################################################
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# Segment to display Swap information
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prompt_swap() {
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local ROOT_PREFIX="${4}"
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local swap_used=0
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local base=''
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local -F used_bytes
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if [[ "$OS" == "OSX" ]]; then
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local raw_swap_used
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raw_swap_used=$(sysctl vm.swapusage | grep -o "used\s*=\s*[0-9,.A-Z]*" | grep -o "[0-9,.A-Z]*$")
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typeset -F 2 swap_used
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swap_used=${$(echo $raw_swap_used | grep -o "[0-9,.]*")//,/.}
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# Replace comma
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swap_used=${swap_used//,/.}
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base=$(echo "$raw_swap_used" | grep -o "[A-Z]*$")
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(( $+commands[sysctl] )) || return
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[[ "$(sysctl vm.swapusage)" =~ "used = ([0-9,.]+)([A-Z]+)" ]] || return
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used_bytes=${match[1]//,/.}
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case ${match[2]} in
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K) (( used_bytes *= 1024 ));;
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M) (( used_bytes *= 1048576 ));;
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G) (( used_bytes *= 1073741824 ));;
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T) (( used_bytes *= 1099511627776 ));;
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*) return;;
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esac
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else
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swap_total=$(grep -o -E "SwapTotal:\s+[0-9]+" ${ROOT_PREFIX}/proc/meminfo | grep -o -E "[0-9]+")
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swap_free=$(grep -o -E "SwapFree:\s+[0-9]+" ${ROOT_PREFIX}/proc/meminfo | grep -o -E "[0-9]+")
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swap_used=$(( swap_total - swap_free ))
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base='K'
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local meminfo && meminfo=$(command grep -F 'Swap' /proc/meminfo) || return
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[[ $meminfo =~ 'SwapTotal:[[:space:]]+([0-9]+)' ]] || return
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(( used_bytes+=match[1] ))
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[[ $meminfo =~ 'SwapFree:[[:space:]]+([0-9]+)' ]] || return
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(( used_bytes-=match[1] ))
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(( used_bytes *= 1024 ))
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fi
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"$1_prompt_segment" "$0" "$2" "yellow" "$DEFAULT_COLOR" 'SWAP_ICON' 0 '' "$(printSizeHumanReadable "$swap_used" $base)"
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_p9k_human_readable_bytes $used_bytes
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$1_prompt_segment $0 $2 yellow "$DEFAULT_COLOR" SWAP_ICON 0 '' $_P9K_RETVAL
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}
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################################################################
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