Author: labath
Date: Thu Jan 21 11:54:14 2016
New Revision: 258414

URL: http://llvm.org/viewvc/llvm-project?rev=258414&view=rev
Log:
Enable test log collection from remote debug servers

Summary:
We already have the ability to collect the server logs when doing local 
debugging. This enables
the collection of remote logs as well. This relies on specifying a relative 
path "server.log" for
LLDB_DEBUGSERVER_LOG_FILE when starting remote platform. Since we always set 
the platform working
directory to a fresh folder to avoid conflicts, the actual file path will 
always be different and
we can pick the logs up from there.

Reviewers: tfiala

Subscribers: lldb-commits

Differential Revision: http://reviews.llvm.org/D16322

Modified:
    lldb/trunk/packages/Python/lldbsuite/test/lldbtest.py

Modified: lldb/trunk/packages/Python/lldbsuite/test/lldbtest.py
URL: 
http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/lldbtest.py?rev=258414&r1=258413&r2=258414&view=diff
==============================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/lldbtest.py (original)
+++ lldb/trunk/packages/Python/lldbsuite/test/lldbtest.py Thu Jan 21 11:54:14 
2016
@@ -1345,7 +1345,7 @@ class Base(unittest2.TestCase):
             else:
                 categories = "default"
 
-            if channel == "gdb-remote":
+            if channel == "gdb-remote" and lldb.remote_platform is None:
                 # communicate gdb-remote categories to debugserver
                 os.environ["LLDB_DEBUGSERVER_LOG_FLAGS"] = categories
 
@@ -1354,12 +1354,15 @@ class Base(unittest2.TestCase):
                 raise Exception('log enable failed (check LLDB_LOG_OPTION env 
variable)')
 
         # Communicate log path name to debugserver & lldb-server
-        server_log_path = "{}-server.log".format(log_basename)
-        open(server_log_path, 'w').close()
-        os.environ["LLDB_DEBUGSERVER_LOG_FILE"] = server_log_path
+        # For remote debugging, these variables need to be set when starting 
the platform
+        # instance.
+        if lldb.remote_platform is None:
+            server_log_path = "{}-server.log".format(log_basename)
+            open(server_log_path, 'w').close()
+            os.environ["LLDB_DEBUGSERVER_LOG_FILE"] = server_log_path
 
-        # Communicate channels to lldb-server
-        os.environ["LLDB_SERVER_LOG_CHANNELS"] = 
":".join(lldbtest_config.channels)
+            # Communicate channels to lldb-server
+            os.environ["LLDB_SERVER_LOG_CHANNELS"] = 
":".join(lldbtest_config.channels)
 
         if len(lldbtest_config.channels) == 0:
             return
@@ -1373,6 +1376,15 @@ class Base(unittest2.TestCase):
             if not self.res.Succeeded():
                 raise Exception('log disable failed (check LLDB_LOG_OPTION env 
variable)')
 
+        # Retrieve the server log (if any) from the remote system. It is 
assumed the server log
+        # is writing to the "server.log" file in the current test directory. 
This can be
+        # achieved by setting LLDB_DEBUGSERVER_LOG_FILE="server.log" when 
starting remote
+        # platform. If the remote logging is not enabled, then just let the 
Get() command silently
+        # fail.
+        if lldb.remote_platform:
+            lldb.remote_platform.Get(lldb.SBFileSpec("server.log"),
+                    
lldb.SBFileSpec(self.getLogBasenameForCurrentTest()+"-server.log"))
+
     def setUp(self):
         """Fixture for unittest test case setup.
 


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