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Diffstat (limited to 'test/units/testsuite-56-slowgrowth.sh')
-rwxr-xr-x | test/units/testsuite-56-slowgrowth.sh | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/units/testsuite-56-slowgrowth.sh b/test/units/testsuite-56-slowgrowth.sh new file mode 100755 index 0000000..ff5a747 --- /dev/null +++ b/test/units/testsuite-56-slowgrowth.sh @@ -0,0 +1,34 @@ +#!/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 |