tests: add simple dmstats report tests

Add tests for the "dmstats report" command:

  * report
  * report --count
  * report --histogram

So far the tests just check the command runs as expected when a
correctly configured stats region exists: validation of output
can be added later.

diff --git a/test/shell/dmstats-report.sh b/test/shell/dmstats-report.sh
new file mode 100644 (file)
index 0000000..c36e3eb
--- /dev/null
+++ b/test/shell/dmstats-report.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+# Copyright (C) 2009-2011 Red Hat, Inc. All rights reserved.
+#
+# This copyrighted material is made available to anyone wishing to use,
+# modify, copy, or redistribute it subject to the terms and conditions
+# of the GNU General Public License v.2.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+. lib/inittest
+
+# ensure we can create devices (uses dmsetup, etc)
+aux prepare_devs 1
+
+# prepare a stats region with a histogram
+dmstats create --bounds 10ms,20ms,30ms "$dev1"
+
+# basic dmstats report commands
+dmstats report
+dmstats report --count 1
+dmstats report --histogram
+