マニュアルページの状態vmstat
(例:waセクション、「IOの待ち時間」)。しかし、時間単位は何ですか?何秒ですか?
答え1
完全なマニュアルページをお読みください:
CPU
These are percentages of total CPU time.
us: Time spent running non-kernel code. (user time, including nice time)
sy: Time spent running kernel code. (system time)
id: Time spent idle. Prior to Linux 2.5.41, this includes IO-wait time.
wa: Time spent waiting for IO. Prior to Linux 2.5.41, included in idle.
st: Time stolen from a virtual machine. Prior to Linux 2.6.11, unknown.
これは総 CPU 時間の割合です。