You can also use this command “ps aux | grep percona”
root@rocky:~# ps aux | grep percona
root 1709 0.0 0.0 4504 708 ? Ss Aug13 0:00 /bin/sh -c /usr/local/percona/pmm-client/node_exporter -collectors.enabled=diskstats,filefd,filesystem,loadavg,meminfo,netdev,netstat,stat,time,uname,vmstat -web.listen-address=10.11.13.141:42000 -web.auth-file=/usr/local/percona/pmm-client/pmm.yml -web.ssl-cert-file=/usr/local/percona/pmm-client/server.crt -web.ssl-key-file=/usr/local/percona/pmm-client/server.key >> /var/log/pmm-linux-metrics-42000.log 2>&1
root 1711 1.0 0.0 2459912 19312 ? Sl Aug13 7:11 /usr/local/percona/pmm-client/node_exporter -collectors.enabled=diskstats,filefd,filesystem,loadavg,meminfo,netdev,netstat,stat,time,uname,vmstat -web.listen-address=10.11.13.141:42000 -web.auth-file=/usr/local/percona/pmm-client/pmm.yml -web.ssl-cert-file=/usr/local/percona/pmm-client/server.crt -web.ssl-key-file=/usr/local/percona/pmm-client/server.key
root 1712 0.0 0.0 4504 788 ? Ss Aug13 0:00 /bin/sh -c /usr/local/percona/qan-agent/bin/percona-qan-agent >> /var/log/pmm-mysql-queries-0.log 2>&1
root 1715 0.0 0.0 147476 12332 ? Sl Aug13 0:25 /usr/local/percona/qan-agent/bin/percona-qan-agent
root 1734 0.0 0.0 4504 848 ? Ss Aug13 0:00 /bin/sh -c /usr/local/percona/pmm-client/mysqld_exporter -collect.auto_increment.columns=true -collect.binlog_size=true -collect.global_status=true -collect.global_variables=true -collect.info_schema.innodb_metrics=true -collect.info_schema.processlist=true -collect.info_schema.query_response_time=true -collect.info_schema.tables=true -collect.info_schema.tablestats=true -collect.info_schema.userstats=true -collect.perf_schema.eventswaits=true -collect.perf_schema.file_events=true -collect.perf_schema.indexiowaits=true -collect.perf_schema.tableiowaits=true -collect.perf_schema.tablelocks=true -collect.slave_status=true -web.listen-address=10.11.13.141:42002 -web.auth-file=/usr/local/percona/pmm-client/pmm.yml -web.ssl-cert-file=/usr/local/percona/pmm-client/server.crt -web.ssl-key-file=/usr/local/percona/pmm-client/server.key >> /var/log/pmm-mysql-metrics-42002.log 2>&1
root 1739 2.6 0.0 2459624 21752 ? Sl Aug13 18:30 /usr/local/percona/pmm-client/mysqld_exporter -collect.auto_increment.columns=true -collect.binlog_size=true -collect.global_status=true -collect.global_variables=true -collect.info_schema.innodb_metrics=true -collect.info_schema.processlist=true -collect.info_schema.query_response_time=true -collect.info_schema.tables=true -collect.info_schema.tablestats=true -collect.info_schema.userstats=true -collect.perf_schema.eventswaits=true -collect.perf_schema.file_events=true -collect.perf_schema.indexiowaits=true -collect.perf_schema.tableiowaits=true -collect.perf_schema.tablelocks=true -collect.slave_status=true -web.listen-address=10.11.13.141:42002 -web.auth-file=/usr/local/percona/pmm-client/pmm.yml -web.ssl-cert-file=/usr/local/percona/pmm-client/server.crt -web.ssl-key-file=/usr/local/percona/pmm-client/server.key
root 11459 0.0 0.0 14224 984 pts/0 S+ 08:05 0:00 grep --color=auto percona
You can see here how much memory different processess consume. Note while there is large virtual memory amount consumed for example by “node_exporter” it should not be the problem as resident amount of memory is very small.