pmlogger re-executes itself by pmlogger_daily.service started at 00:10 as daily job. Usually pmlogger receives SIGALRM after pmlogger sets a SIGNAL handller for SIGALRM.
But pmlogger received SIGALRM sent by swapper at 00:10:03 before pmlogger set a SIGNAL handller for SIGALRM.
/var/log/messages showed that pmlogger exited by SIGALRM:
00:10:03 XXXXXX systemd: pmlogger.service: Main process exited, code=killed, status=14/ALRM
- Red Hat Enterprise Linux 8.5 or earlier
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