Quoted from: http://ssms.cs2c.com.cn/otrs/pc.pl?Action=PublicFAQZoom;ItemID=11741
The main meaning of the article is:
1. Page in/out action refers to reading the pages in a block device into memory or writing a page in memory to a block device
is inch from This is inch is this is the out request.
2. Pages in page In/out refer to disk sector, size 512 bytes instead of 4k size pages in virtual memory
inch in) Counter
3. Pgpgin/pgpgout refers to the number of page in/out between main memory and block device (hard disk).
Virtual " Paging " inch from from a memory page back to disk
4. Pswpin/pswpout refers to the number of pages in virtual memory that are read/read from the swap area of the block device. Therefore, it is included in the Pgpgin/pgpgout.
inch from the swap area-whether this be file, partition or whole disk
Pgpgin|pgpgout|pswpin|pswpout Meaning and Difference