Search notes:

/proc/slabinfo

Caches for frequently used objects in the kernel, such as buffer heads, inodes, dentries etc.
The total amount of memory allocated to the SLAB/SLUB cache is shown in the Slab field of /proc/meminfo.

TODO

Are objects related to asynchronous I/O named kio*?: 
grep 'kio*' /proc/slabinfo

See also

/proc
slaptop (1) and /sys/kernel/slab/.

Index

Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php:51 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(51): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(66): id_of(Object(PDO), 'uri', '/notes/Linux/fh...') #2 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(30): insert_webrequest_('/notes/Linux/fh...', 1759391462, '216.73.216.42', 'Mozilla/5.0 App...', NULL) #3 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/Linux/fhs/proc/slabinfo(48): insert_webrequest() #4 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 51