pybootchartgui: add the original code

This is from:
http://pybootchartgui.googlecode.com/files/pybootchartgui-r124.tar.gz

Will modify it to make the build profiling in pictures.

Remove the examples since they would not work any more, and they cost
much disk space.

[YOCTO #2403]

(From OE-Core rev: 1f0791109e1aed715f02945834d6d7fdb9a411b4)

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/pybootchartgui/pybootchartgui/tests/process_tree_test.py

@@ -0,0 +1,78 @@
+import sys
+import os
+import unittest
+
+sys.path.insert(0, os.getcwd())
+
+import parsing
+import process_tree
+
+class TestProcessTree(unittest.TestCase):
+
+    def setUp(self):
+	self.name = "Process tree unittest"
+        self.rootdir = '../examples/1'
+	self.ps_stats = parsing.parse_file(parsing.ParserState(), self.mk_fname('proc_ps.log')).ps_stats
+        self.processtree = process_tree.ProcessTree(self.ps_stats, None, False, for_testing = True)
+
+    def mk_fname(self,f):
+        return os.path.join(self.rootdir, f)
+
+    def flatten(self, process_tree):
+        flattened = []
+        for p in process_tree:
+            flattened.append(p)
+            flattened.extend(self.flatten(p.child_list))
+        return flattened
+
+    def checkAgainstJavaExtract(self, filename, process_tree):
+        for expected, actual in zip(open(filename), self.flatten(process_tree)):
+            tokens = expected.split('\t')
+            self.assertEqual(int(tokens[0]), actual.pid)
+            self.assertEqual(tokens[1], actual.cmd)
+            self.assertEqual(long(tokens[2]), 10 * actual.start_time)
+            self.assert_(long(tokens[3]) - 10 * actual.duration < 5, "duration")
+            self.assertEqual(int(tokens[4]), len(actual.child_list))
+            self.assertEqual(int(tokens[5]), len(actual.samples))
+
+    def testBuild(self):
+        process_tree = self.processtree.process_tree
+        self.checkAgainstJavaExtract(self.mk_fname('extract.processtree.1.log'), process_tree)
+
+    def testMergeLogger(self):
+        self.processtree.merge_logger(self.processtree.process_tree, 'bootchartd', None, False)
+        process_tree = self.processtree.process_tree
+        self.checkAgainstJavaExtract(self.mk_fname('extract.processtree.2.log'), process_tree)
+
+    def testPrune(self):
+        self.processtree.merge_logger(self.processtree.process_tree, 'bootchartd', None, False)
+        self.processtree.prune(self.processtree.process_tree, None)
+        process_tree = self.processtree.process_tree
+        self.checkAgainstJavaExtract(self.mk_fname('extract.processtree.3b.log'), process_tree)
+
+    def testMergeExploders(self):
+        self.processtree.merge_logger(self.processtree.process_tree, 'bootchartd', None, False)
+        self.processtree.prune(self.processtree.process_tree, None)
+        self.processtree.merge_exploders(self.processtree.process_tree, set(['hwup']))
+        process_tree = self.processtree.process_tree
+        self.checkAgainstJavaExtract(self.mk_fname('extract.processtree.3c.log'), process_tree)
+
+    def testMergeSiblings(self):
+        self.processtree.merge_logger(self.processtree.process_tree, 'bootchartd', None, False)
+        self.processtree.prune(self.processtree.process_tree, None)
+        self.processtree.merge_exploders(self.processtree.process_tree, set(['hwup']))
+        self.processtree.merge_siblings(self.processtree.process_tree)
+        process_tree = self.processtree.process_tree
+        self.checkAgainstJavaExtract(self.mk_fname('extract.processtree.3d.log'), process_tree)
+
+    def testMergeRuns(self):
+        self.processtree.merge_logger(self.processtree.process_tree, 'bootchartd', None, False)
+        self.processtree.prune(self.processtree.process_tree, None)
+        self.processtree.merge_exploders(self.processtree.process_tree, set(['hwup']))
+        self.processtree.merge_siblings(self.processtree.process_tree)
+        self.processtree.merge_runs(self.processtree.process_tree)
+        process_tree = self.processtree.process_tree
+        self.checkAgainstJavaExtract(self.mk_fname('extract.processtree.3e.log'), process_tree)
+
+if __name__ == '__main__':
+    unittest.main()