Search notes:

/proc/$pid/io

/proc/$pid/io contains IO statistics for each running process.

This «file» exposes the following data:

`rchar`	Number of bytes read with `read()` or `pread()` (includes cached data from page cache and TTY)
`wchar`	Simlar to `rchar`
`syscr`	Number of times that the syscalls `read()` and `pread()` have been executed.
`syscw`	Same as `syscr` but for syscalls `write()` and `pwrite()`
`read_bytes`	Bytes that were really read from storage.
`write_bytes`
`cancelled_write_bytes`

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:78 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(78): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(30): insert_webrequest_('/notes/Linux/fh...', 1759391474, '216.73.216.42', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/Linux/fhs/proc/pid/io(50): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 78

/proc/$pid/io

See also