path: ceph_18.2.7+ds-1.1/src/rocksdb/tools/regression_test.sh
# $5 --- update_report. Default: 1
function run_db_bench {
  # Make sure no other db_bench is running. (Make sure command succeeds if pidof
  # command exists but finds nothing.)
  pids_cmd='pidof db_bench || pidof --version > /dev/null'