summaryrefslogtreecommitdiff
path: root/doc/blktrace.8
diff options
context:
space:
mode:
authorJens Axboe <jens.axboe@oracle.com>2007-08-28 15:00:33 +0200
committerJens Axboe <jens.axboe@oracle.com>2007-08-28 15:00:33 +0200
commit0bf926817ed82ef0b014a329af79826905ed54c3 (patch)
tree08df2b6a927320457e28d790f26e042ce6229883 /doc/blktrace.8
parentbb4afebb049c1a1ba6adb4a564413337ca985805 (diff)
downloadblktrace-0bf926817ed82ef0b014a329af79826905ed54c3.tar.gz
blktrace-0bf926817ed82ef0b014a329af79826905ed54c3.tar.bz2
blktrace man page: mention buffer size / number of buffers defaults.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'doc/blktrace.8')
-rw-r--r--doc/blktrace.85
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/blktrace.8 b/doc/blktrace.8
index 05f81fd..e87feae 100644
--- a/doc/blktrace.8
+++ b/doc/blktrace.8
@@ -101,7 +101,8 @@ Add \fImask\fR to current filter (see below for masks)
.br
\-\-buffer\-size=\fIsize\fR
.RS
-Specifies buffer size for event extraction (scaled by 1024)
+Specifies buffer size for event extraction (scaled by 1024). The default
+buffer size is 512KiB.
.RE
\-d \fIdev\fR
@@ -129,7 +130,7 @@ Kill on-going trace
.br
\-\-num\-sub=\fInum-sub\fR
.RS
-Specifies number of buffers to use
+Specifies number of buffers to use. blktrace defaults to 4 sub buffers.
.RE
\-o \fIfile\fR