Date: Fri, 24 Jul 1998 14:49:40 +0200 (MET DST) From: Edwin de Graaf <graaf@surf.IAE.nl> To: freebsd-hackers@FreeBSD.ORG Subject: How do I measure swap activity? Message-ID: <199807241249.OAA04892@surf.IAE.nl>
next in thread | raw e-mail | index | archive | help
Hello hackers, I am looking for a good way to measure how much disk activity is caused by pages being swapped in and out from disk. In the systat -vmstat display there are two kinds of pagers, the VN pager and the SWAP pager. Do both of these cause a disk access? What is the difference between the two? On the other hand I have vmstat which shows the number of page faults, is this the sum of the VN and SWAP pagers? Does each page fault cause a fixed block (4096 bytes?) to be read from disk? Pointers to documents describing these would also be most welcome. Thanks a lot. Best regards, Edwin de Graaf To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199807241249.OAA04892>