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#!/usr/bin/env bash
set -eu -o pipefail
PAGE_SIZE=$(getconf PAGE_SIZE)
BLOAT_ITERATION_TARGET=$(( 100 << 20 )) # 100 MB
BLOAT_HOLDER=()
PID="$$"
function bloat {
local set_size=$(cat "/proc/$PID/statm" | cut -d " " -f2)
local mem_usage=$(( "$set_size" * "$PAGE_SIZE" ))
local target_mem_size=$(( "$mem_usage" + "$1" ))
BLOAT_HOLDER=()
while [[ "$mem_usage" -lt "$target_mem_size" ]]; do
echo "target $target_mem_size"
echo "mem usage $mem_usage"
BLOAT_HOLDER+=( $(printf "%0.sg" {1..1000000}) )
set_size=$(cat "/proc/$PID/statm" | cut -d " " -f2)
mem_usage=$(( "$set_size" * "$PAGE_SIZE" ))
done
}
function run {
local arr=()
while [[ true ]]; do
bloat "$BLOAT_ITERATION_TARGET"
arr+=( "$BLOAT_HOLDER" )
sleep 1
done
}
run
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