oeqa.buildperf: add test Test1P1

Re-implement "test1_p1" from build-perf-test.sh which measures
'bitbake core-image-sato'.

(From OE-Core rev: 1ddd4a8ce4e2053def0e946d4e4b4b97bdc28e61)

Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/buildperf/__init__.py

@@ -10,5 +10,6 @@
 # more details.
 #
 """Build performance tests"""
-from .base import (build_perf_test, BuildPerfTest, BuildPerfTestRunner,
+from .base import (perf_test_case, BuildPerfTest, BuildPerfTestRunner,
                    KernelDropCaches)
+from .basic_tests import *

meta/lib/oeqa/buildperf/basic_tests.py

@@ -0,0 +1,31 @@
+# Copyright (c) 2016, Intel Corporation.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms and conditions of the GNU General Public License,
+# version 2, as published by the Free Software Foundation.
+#
+# This program is distributed in the hope it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+# more details.
+#
+"""Basic set of build performance tests"""
+from . import BuildPerfTest, perf_test_case
+
+
+@perf_test_case
+class Test1P1(BuildPerfTest):
+    name = "test1"
+    build_target = 'core-image-sato'
+    description = "Measure wall clock of bitbake {} and size of tmp dir".format(build_target)
+
+    def _run(self):
+        self.log_cmd_output("bitbake {} -c fetchall".format(self.build_target))
+        self.rm_tmp()
+        self.rm_sstate()
+        self.rm_cache()
+        self.sync()
+        self.measure_cmd_resources(['bitbake', self.build_target], 'build',
+                                   'bitbake ' + self.build_target)
+        self.measure_disk_usage(self.bb_vars['TMPDIR'], 'tmpdir', 'tmpdir')
+        self.save_buildstats()