Add --block-in-bytes option.

This option and the 'B' key toggles block I/O stats between
requests and bytes.

1 files changed, 18 insertions, 0 deletions

diff --git a/virt-top/virt-top.pod b/virt-top/virt-top.pod
index 9e1e228..3a955ac 100755
--- a/virt-top/virt-top.pod
+++ b/virt-top/virt-top.pod
@@ -158,6 +158,10 @@ when used together with the I<--csv> and I<-n> options.
 Stream mode.  All output is sent to stdout.  This can be used from
 shell scripts etc.  There is no user interface.
 
+=item B<--block-in-bytes>
+
+Show I/O statistics in Bytes. Default is shown in the number of Requests.
+
 =item B<--end-time time>
 
 The program will exit at the I<time> given.
@@ -231,6 +235,10 @@ Displays help.
 
 Change the delay between screen updates.
 
+=item I<B>
+
+Toggle Block I/O statistics so they are shown in either bytes or requests.
+
 =item I<0> (number 0)
 
 Show the normal list of domains display.
@@ -362,6 +370,10 @@ Sets script mode.
 
 Sets stream mode.
 
+=item B<block-in-bytes> I<true|false>
+
+Show block device statistics in bytes.
+
 =item B<end-time> I<time>
 
 Set the time at which the program exits.  See above for the
@@ -380,6 +392,12 @@ This is a bug and this behaviour may change in the future.
 
 =head1 NOTES
 
+=head2 Block I/O statistics
+
+This I/O value is the amount of I/O since the previous iteration
+of virt-top. To calculate speed of I/O, you should divide
+the number by delay secs.
+
 =head2 NETWORK RX BYTES AND PACKETS
 
 Libvirt/virt-top has no way to know that a packet transmitted to a