vmstat: use KiB/s for bi/bo instead of blocks/s

/proc/vmstat provide kbytes to pgpgin and pgpgout instead of blocks,
correct unit for bi/bo.

References:
 procps-ng/procps!64

Signed-off-by: Weiping Zhang <zhangweiping@didichuxing.com>
Signed-off-by: Craig Small <csmall@dropbear.xyz>

diff --git a/vmstat.8 b/vmstat.8
index 8d48b4990175be5b7174f75ece92f1265867a456..ee8eaf5ea777e4383f9fa13c708bc190284353c0 100644 (file)
--- a/vmstat.8
+++ b/vmstat.8
@@ -122,8 +122,8 @@ so: Amount of memory swapped to disk (/s).
 .SS
 .B "IO"
 .nf
-bi: Blocks received from a block device (blocks/s).
-bo: Blocks sent to a block device (blocks/s).
+bi: Kibibyte received from a block device (KiB/s).
+bo: Kibibyte sent to a block device (KiB/s).
 .fi
 .PP
 .SS