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vmstat does IO-wait

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albert
2002-11-09 02:00:52 +00:00
parent 2754004de0
commit 80ec87f55a
5 changed files with 29 additions and 30 deletions
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12
vmstat.8
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@ -41,8 +41,6 @@ The \fB-V\fP switch results in displaying version information.
.nf
r: The number of processes waiting for run time.
b: The number of processes in uninterruptable sleep.
w: The number of processes swapped out but otherwise runnable. This
field is calculated, but Linux never desperation swaps.
.fi
.PP
.SS
@ -81,9 +79,10 @@ cs: The number of context switches per second.
.B "CPU "
These are percentages of total CPU time.
.nf
us: user time
sy: system time
id: idle 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, shown as zero.
.nf
.SH NOTES
.B "vmstat "
@ -93,7 +92,8 @@ These reports are intended to help identify system bottlenecks. Linux
.B "vmstat "
does not count itself as a running process.
.PP
All linux blocks are currently 1k, except for CD-ROM blocks which are 2k.
All linux blocks are currently 1024 bytes. Old kernels may report
blocks as 512 bytes, 2048 bytes, or 4096 bytes.
.PP
.SH FILES
.ta