From f1a178a2a0319ff0e2d18781833fdf4c4ffe6aac Mon Sep 17 00:00:00 2001 From: Sean Bruno Date: Sun, 23 May 2010 19:48:54 +0000 Subject: [PATCH] Explain how the new sub-second interval from changeset:208389 works. Approved by: scottl(mentor) Obtained from: Yahoo Inc. MFC after: 2 weeks --- usr.sbin/iostat/iostat.8 | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/usr.sbin/iostat/iostat.8 b/usr.sbin/iostat/iostat.8 index 595220966216..c8427e633b3e 100644 --- a/usr.sbin/iostat/iostat.8 +++ b/usr.sbin/iostat/iostat.8 @@ -241,7 +241,14 @@ If no repeat is specified, the default is infinity. The .Nm -command will accept and honor a non-integer number of seconds. +command will accept and honor a non-integer number of seconds. Note that +the interval only has millisecond granularity. Smaller values will be +truncated. +.Pp +e.g. -w1.0001 becomes -w1.000 +.Pp +The interval will also suffer from modifications to hz so your mileage +may vary. .It Fl x Show extended disk statistics. Each disk is displayed on a line of its own with all available statistics.