First commit of new tools/run-tests.py

tools/testrunner/network/network_execution.py

Index: tools/testrunner/network/network_execution.py
diff --git a/tools/testrunner/network/network_execution.py b/tools/testrunner/network/network_execution.py
new file mode 100644
index 0000000000000000000000000000000000000000..2f33d353b1908b68014437ce24f4f1a99eac4073
--- /dev/null
+++ b/tools/testrunner/network/network_execution.py
@@ -0,0 +1,243 @@
+# Copyright 2012 the V8 project authors. All rights reserved.
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+#       copyright notice, this list of conditions and the following
+#       disclaimer in the documentation and/or other materials provided
+#       with the distribution.
+#     * Neither the name of Google Inc. nor the names of its
+#       contributors may be used to endorse or promote products derived
+#       from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+import os
+import socket
+import subprocess
+import threading
+import time
+
+from . import distro
+from . import perfdata
+from ..local import execution
+from ..objects import peer
+from ..objects import workpacket
+from ..server import compression
+from ..server import constants
+from ..server import local_handler
+from ..server import signatures
+
+
+def GetPeers():
+  data = local_handler.LocalQuery([constants.REQUEST_PEERS])
+  if not data: return []
+  return [ peer.Peer.Unpack(p) for p in data ]
+
+
+class NetworkedRunner(execution.Runner):
+  def __init__(self, suites, progress_indicator, context, peers, workspace):
+    self.suites = suites
+    num_tests = 0
+    datapath = os.path.join("out", "testrunner_data")
+    self.perf_data_manager = perfdata.PerfDataManager(datapath)
+    self.perfdata = self.perf_data_manager.GetStore(context.arch, context.mode)
+    for s in suites:
+      for t in s.tests:
+        t.duration = self.perfdata.FetchPerfData(t) or 1.0
+      num_tests += len(s.tests)
+    self._CommonInit(num_tests, progress_indicator, context)
+    self.tests = []  # Only used if we need to fall back to local execution.
+    self.tests_lock = threading.Lock()
+    self.peers = peers
+    self.pubkey_fingerprint = None  # Fetched later.
+    self.base_rev = subprocess.check_output(
+        "cd %s; git log -1 --format=%%H --grep=git-svn-id" % workspace,
+        shell=True)
+    self.patch = subprocess.check_output(
+        "cd %s; git diff %s" % (workspace, self.base_rev), shell=True)
+    self.binaries = {}
+    self.initialization_lock = threading.Lock()
+    self.initialization_lock.acquire()  # Released when init is done.
+    self._OpenLocalConnection()
+    self.local_receiver_thread = threading.Thread(
+        target=self._ListenLocalConnection)
+    self.local_receiver_thread.daemon = True
+    self.local_receiver_thread.start()
+    self.initialization_lock.acquire()
+    self.initialization_lock.release()
+
+  def _OpenLocalConnection(self):
+    self.local_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    code = self.local_socket.connect_ex(("localhost", constants.CLIENT_PORT))
+    if code != 0:
+      raise RuntimeError("Failed to connect to local server")
+    compression.Send([constants.REQUEST_PUBKEY_FINGERPRINT], self.local_socket)
+
+  def _ListenLocalConnection(self):
+    release_lock_countdown = 1  # Pubkey.
+    self.local_receiver = compression.Receiver(self.local_socket)
+    while not self.local_receiver.IsDone():
+      data = self.local_receiver.Current()
+      if data[0] == constants.REQUEST_PUBKEY_FINGERPRINT:
+        pubkey = data[1]
+        if not pubkey: raise RuntimeError("Received empty public key")
+        self.pubkey_fingerprint = pubkey
+        release_lock_countdown -= 1
+      if release_lock_countdown == 0:
+        self.initialization_lock.release()
+        release_lock_countdown -= 1  # Prevent repeated triggering.
+      self.local_receiver.Advance()
+
+  def Run(self, jobs):
+    self.indicator.Starting()
+    need_libv8 = False
+    for s in self.suites:
+      shell = s.shell()
+      if shell not in self.binaries:
+        path = os.path.join(self.context.shell_dir, shell)
+        # Check if this is a shared library build.
+        try:
+          ldd = subprocess.check_output("ldd %s | grep libv8\\.so" % (path),
+                                        shell=True)
+          ldd = ldd.strip().split(" ")
+          assert ldd[0] == "libv8.so"
+          assert ldd[1] == "=>"
+          need_libv8 = True
+          binary_needs_libv8 = True
+          libv8 = signatures.ReadFileAndSignature(ldd[2])
+        except:
+          binary_needs_libv8 = False
+        binary = signatures.ReadFileAndSignature(path)
+        if binary[0] is None:
+          print("Error: Failed to create signature.")
+          assert binary[1] != 0
+          return binary[1]
+        binary.append(binary_needs_libv8)
+        self.binaries[shell] = binary
+    if need_libv8:
+      self.binaries["libv8.so"] = libv8
+    distro.Assign(self.suites, self.peers)
+    # Spawn one thread for each peer.
+    threads = []
+    for p in self.peers:
+      thread = threading.Thread(target=self._TalkToPeer, args=[p])
+      threads.append(thread)
+      thread.start()
+    try:
+      for thread in threads:
+        # Use a timeout so that signals (Ctrl+C) will be processed.
+        thread.join(timeout=10000000)
+      self._AnalyzePeerRuntimes()
+    except KeyboardInterrupt:
+      self.terminate = True
+      raise
+    except Exception, _e:
+      # If there's an exception we schedule an interruption for any
+      # remaining threads...
+      self.terminate = True
+      # ...and then reraise the exception to bail out.
+      raise
+    compression.Send(constants.END_OF_STREAM, self.local_socket)
+    self.local_socket.close()
+    if self.tests:
+      self._RunInternal(jobs)
+    self.indicator.Done()
+    return not self.failed
+
+  def _TalkToPeer(self, peer):
+    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    sock.settimeout(self.context.timeout + 10)
+    code = sock.connect_ex((peer.address, constants.PEER_PORT))
+    if code == 0:
+      try:
+        peer.runtime = None
+        start_time = time.time()
+        packet = workpacket.WorkPacket(peer=peer, context=self.context,
+                                       base_revision=self.base_rev,
+                                       patch=self.patch,
+                                       pubkey=self.pubkey_fingerprint)
+        data, test_map = packet.Pack(self.binaries)
+        compression.Send(data, sock)
+        compression.Send(constants.END_OF_STREAM, sock)
+        rec = compression.Receiver(sock)
+        while not rec.IsDone() and not self.terminate:
+          data_list = rec.Current()
+          for data in data_list:
+            test_id = data[0]
+            if test_id < 0:
+              # The peer is reporting an error.
+              print("Peer %s reports error: %s" % (peer.address, data[1]))
+              rec.Advance()
+              continue
+            test = test_map.pop(test_id)
+            test.MergeResult(data)
+            try:
+              self.perfdata.UpdatePerfData(test)
+            except Exception, e:
+              print("UpdatePerfData exception: %s" % e)
+              pass  # Just keep working.
+            with self.lock:
+              perf_key = self.perfdata.GetKey(test)
+              compression.Send(
+                  [constants.INFORM_DURATION, perf_key, test.duration,
+                   self.context.arch, self.context.mode],
+                  self.local_socket)
+              self.indicator.AboutToRun(test)
+              if test.suite.HasUnexpectedOutput(test):
+                self.failed.append(test)
+                if test.output.HasCrashed():
+                  self.crashed += 1
+              else:
+                self.succeeded += 1
+              self.remaining -= 1
+              self.indicator.HasRun(test)
+          rec.Advance()
+        peer.runtime = time.time() - start_time
+      except Exception:
+        pass  # Fall back to local execution.
+    else:
+      compression.Send([constants.UNRESPONSIVE_PEER, peer.address],
+                       self.local_socket)
+    sock.close()
+    if len(test_map) > 0:
+      # Some tests have not received any results. Run them locally.
+      print("No results for %d tests, running them locally." % len(test_map))
+      self._EnqueueLocally(test_map)
+
+  def _EnqueueLocally(self, test_map):
+    with self.tests_lock:
+      for test in test_map:
+        self.tests.append(test_map[test])
+
+  def _AnalyzePeerRuntimes(self):
+    total_runtime = 0.0
+    total_work = 0.0
+    for p in self.peers:
+      if p.runtime is None:
+        return
+      total_runtime += p.runtime
+      total_work += p.assigned_work
+    for p in self.peers:
+      p.assigned_work /= total_work
+      p.runtime /= total_runtime
+      perf_correction = p.assigned_work / p.runtime
+      old_perf = p.relative_performance
+      p.relative_performance = (old_perf + perf_correction) / 2.0
+      compression.Send([constants.UPDATE_PERF, p.address,
+                        p.relative_performance],
+                       self.local_socket)