Synced repos to: 58208
diff --git a/crosperf/perf_processor.py b/crosperf/perf_processor.py
new file mode 100644
index 0000000..031f35d
--- /dev/null
+++ b/crosperf/perf_processor.py
@@ -0,0 +1,64 @@
+#!/usr/bin/python
+
+# Copyright 2011 Google Inc. All Rights Reserved.
+
+import os
+import re
+from utils import command_executer
+from utils import utils
+
+
+class PerfProcessor(object):
+ class PerfResults(object):
+ def __init__(self, report, output):
+ self.report = report
+ self.output = output
+
+ def __init__(self, logger_to_use=None):
+ self._logger = logger_to_use
+ self._ce = command_executer.GetCommandExecuter(self._logger)
+
+ def GeneratePerfResults(self, results_dir, chromeos_root, board):
+ perf_location = os.path.join(results_dir,
+ os.path.basename(results_dir),
+ "profiling/iteration.1")
+ host_perf_location = os.path.join(chromeos_root, "chroot",
+ perf_location.lstrip("/"))
+ report = self._GeneratePerfReport(perf_location, chromeos_root, board)
+ output = self._ReadPerfOutput(host_perf_location)
+ return PerfProcessor.PerfResults(report, output)
+
+ def ParseStatResults(self, results):
+ output = results.output
+ result = {}
+ p = re.compile("\s*([0-9.]+) +(\S+)")
+ for line in output.split("\n"):
+ match = p.match(line)
+ if match:
+ result[match.group(2)] = match.group(1)
+ return result
+
+ def _ReadPerfOutput(self, perf_location):
+ perf_output_file = os.path.join(perf_location, "perf.out")
+ with open(perf_output_file, "rb") as f:
+ return f.read()
+
+ def _GeneratePerfReport(self, perf_location, chromeos_root, board):
+ perf_data_file = os.path.join(perf_location, "perf.data")
+ # Attempt to build a perf report and keep it with the results.
+ command = ("/usr/sbin/perf report --symfs=/build/%s"
+ " -i %s --stdio | head -n1000" % (board, perf_data_file))
+ _, out, _ = self._ce.ChrootRunCommand(chromeos_root,
+ command, return_output=True)
+ return out
+
+
+class MockPerfProcessor(object):
+ def __init__(self):
+ pass
+
+ def GeneratePerfReport(self, *args):
+ pass
+
+ def ParseStatResults(self, *args):
+ return {}