Hi @tonodor thanks for your interest and the time to report this issue.

Is definitely possible, now with plugins, this should be a lot easier.

Today version 2.0.0 is being released so it won't be able to make it there if this is added, but can be added in following releases.

Seems like lslocks provides extra useful information than /proc/locks on its own. And is provided by util-linux package that should be on minimal installs:

# lslocks 
COMMAND           PID  TYPE SIZE MODE  M START END PATH
multipathd        883 POSIX   3B WRITE 0     0   0 /run/multipathd.pid
lvmetad           892 POSIX   4B WRITE 0     0   0 /run/lvmetad.pid
systemd-timesyn   989 FLOCK      WRITE 0     0   0 /run...
lxcfs            1078 POSIX   5B WRITE 0     0   0 /run/lxcfs.pid
cron             1156 FLOCK   5B WRITE 0     0   0 /run/crond.pid
atd              1161 POSIX   5B WRITE 0     0   0 /run/atd.pid
mysqld           1889 POSIX  48M WRITE 0     0   0 /var/lib/mysql/ib_logfile0
mysqld           1889 POSIX  48M WRITE 0     0   0 /var/lib/mysql/ib_logfile1
mysqld           1889 POSIX  12M WRITE 0     0   0 /var/lib/mysql/ibdata1
mysqld           1889 POSIX  12M WRITE 0     0   0 /var/lib/mysql/ibtmp1
mysqld           1889 POSIX  96K WRITE 0     0   0 /var/lib/mysql/mysql/servers.ibd
mysqld           1889 POSIX   9M WRITE 0     0   0 /var/lib/mysql/mysql/help_topic.ibd
mysqld           1889 POSIX 128K WRITE 0     0   0 /var/lib/mysql/mysql/help_relation.ibd
mysqld           1889 POSIX 240K WRITE 0     0   0 /var/lib/mysql/mysql/help_keyword.ibd
mysqld           1889 POSIX  96K WRITE 0     0   0 /var/lib/mysql/mysql/time_zone_name.ibd
mysqld           1889 POSIX  96K WRITE 0     0   0 /var/lib/mysql/mysql/time_zone.ibd
mysqld           1889 POSIX  96K WRITE 0     0   0 /var/lib/mysql/mysql/time_zone_transition.ibd
mysqld           1889 POSIX  96K WRITE 0     0   0 /var/lib/mysql/mysql/time_zone_transition_type.ibd
mysqld           1889 POSIX  96K WRITE 0     0   0 /var/lib/mysql/mysql/time_zone_leap_second.ibd
mysqld           1889 POSIX  96K WRITE 0     0   0 /var/lib/mysql/mysql/innodb_table_stats.ibd
mysqld           1889 POSIX  96K WRITE 0     0   0 /var/lib/mysql/mysql/innodb_index_stats.ibd
mysqld           1889 POSIX  96K WRITE 0     0   0 /var/lib/mysql/mysql/gtid_executed.ibd
mysqld           1889 POSIX  96K WRITE 0     0   0 /var/lib/mysql/mysql/server_cost.ibd
mysqld           1889 POSIX  96K WRITE 0     0   0 /var/lib/mysql/mysql/engine_cost.ibd
mysqld           1889 POSIX  96K WRITE 0     0   0 /var/lib/mysql/sys/sys_config.ibd
master           2019 FLOCK  33B WRITE 0     0   0 /var/spool/postfix/pid/master.pid
master           2019 FLOCK  33B WRITE 0     0   0 /var/lib/postfix/master.lock
mysqld           1889 POSIX  96K WRITE 0     0   0 /var/lib/mysql/mysql/plugin.ibd

Reporting kernel locks #189

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