[test-suite] r264046 - [litsupport] Make sure perf is run under "rununder"!

[James Molloy via llvm-commits]

Author: jamesm
Date: Tue Mar 22 07:36:57 2016
New Revision: 264046

URL: http://llvm.org/viewvc/llvm-project?rev=264046&view=rev
Log:
[litsupport] Make sure perf is run under "rununder"!

When profiling, we were only mutating the *original* runscript. But the run_under argument is essential, as it might be pinning the execution to a particular core in a non-homogeneous system (for example big.LITTLE).

Modified:
    test-suite/trunk/litsupport/perf.py

Modified: test-suite/trunk/litsupport/perf.py
URL: http://llvm.org/viewvc/llvm-project/test-suite/trunk/litsupport/perf.py?rev=264046&r1=264045&r2=264046&view=diff
==============================================================================
--- test-suite/trunk/litsupport/perf.py (original)
+++ test-suite/trunk/litsupport/perf.py Tue Mar 22 07:36:57 2016
@@ -1,6 +1,6 @@
 import shellcommand
 import testplan
-
+import run_under
 
 def mutateCommandLine(context, commandline):
     profilefile = context.tmpBase + ".perf_data"
@@ -14,6 +14,10 @@ def mutateCommandLine(context, commandli
 
 
 def mutatePlan(context, plan):
-    script = testplan.mutateScript(context, context.original_runscript,
-                                   mutateCommandLine)
+    if context.config.run_under:
+        script = testplan.mutateScript(context, context.original_runscript,
+                                       run_under.mutateCommandLine)
+    else:
+        script = context.original_runscript
+    script = testplan.mutateScript(context, script, mutateCommandLine)
     plan.profilescript += script