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#!/usr/bin/env bash | |
## Usage: swappy [-t|--total] | |
## Identify the processes that use swap | |
# Usage | |
test "$1" = "-h" -o "$1" = "--help" && { | |
grep '^##' <"$0" | cut -c4- | |
exit 2 | |
} | |
# Color check | |
if [ -t 1 ]; then | |
ncolors=`tput colors` | |
if test -n "$ncolors" && test $ncolors -ge 8; then | |
RED=`tput setaf 1` | |
GREEN=`tput setaf 2` | |
YELLOW=`tput setaf 3` | |
BLUE=`tput setaf 4` | |
MAGENTA=`tput setaf 4` | |
CYAN=`tput setaf 6` | |
RESET=`tput sgr0` | |
fi | |
fi | |
# Main | |
total_swap=0 | |
printf "%-8b %8b %-b\n" "${MAGENTA}PID" "SWAP" "CMD${RESET}" | |
for pid in $(ls -d /proc/*/smaps| cut -f3 -d'/' | egrep '[0-9]+$'); do | |
pid_cmd=$(cat /proc/$pid/cmdline 2>/dev/null|tr '' ' ') | |
pid_swap=$(awk 'BEGIN{total=0}/Swap/{total+=$2}END{print total}' /proc/$pid/smaps 2>/dev/null) | |
if [ "$pid_swap" != '' ] && [ "$pid_swap" -gt 0 ]; then | |
printf "%-8d %6d KB %-s\n" "$pid" "$pid_swap" "$pid_cmd" | |
let total_swap+=$pid_swap | |
fi | |
done | |
if [ "$1" = "-t" -o "$1" = "--total" ]; then | |
printf "Total: %4b KB\n" "${RED}${total_swap}${RESET}" | |
fi |
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