selftest: DiskMonTest: use POSIX output for df

Without "-P" df  splits the output on multiple lines and breaks the test

Signed-off-by: Alexandru Palalau <alexandrux.palalau@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/lib/oeqa/selftest/buildoptions.py b/meta/lib/oeqa/selftest/buildoptions.py
index 93b02cf8a2b4d34931bc0fe25f8e94fedf3ca66b..8ff40baddc33fe53746c68ff43897a79f30f8a13 100644 (file)
--- a/meta/lib/oeqa/selftest/buildoptions.py
+++ b/meta/lib/oeqa/selftest/buildoptions.py
@@ -51,7 +51,7 @@ class ImageOptionsTests(oeSelfTest):
 class DiskMonTest(oeSelfTest):
 
     def test_stoptask_behavior(self):
-        result = runCmd("df -k %s" % os.getcwd())
+        result = runCmd("df -Pk %s" % os.getcwd())
         size = result.output.split("\n")[1].split()[3]
         self.write_config('BB_DISKMON_DIRS = "STOPTASKS,${TMPDIR},%sK,4510K"' % size)
         res = bitbake("m4", ignore_status = True)