# straceとかうちたいから特権与える
$ docker run --rm --privileged -it -e MYSQL_ALLOW_EMPTY_PASSWORD=yes -p 3306:3306 mysql:5.7
大量にDB創る
$ mysql -uroot -h127.0.0.1 -P3306 -e "CREATE USER 'user'@'%' IDENTIFIED BY 'test';"
# To display the perf.data header info, please use --header/--header-only options. | |
# | |
# | |
# Total Lost Samples: 0 | |
# | |
# Samples: 4 of event 'cpu-clock' | |
# Event count (approx.): 1000000 | |
# | |
# Children Self Command Shared Object Symbol | |
# ........ ........ ....... ................. ...................................... |