commit d7576328811e5103e99d31f834a857522cc1463f
author Andreas Gampe <agampe@google.com> Fri Oct 24 22:13:45 2014 -0700
committer Andreas Gampe <agampe@google.com> Thu Nov 06 19:47:07 2014 -0800
tree 5c20cecc09ca8786434b663cbfcad31e56c7ac72
parent b7ce2074ef43ff221cdec6ddba953f0b0c67447b

ART: Fix valgrind

Allow ValgrindMallocSpace wrapper for RosAlloc.Requires refactoring,
as ValgrindMallocSpace was bound to the signature of DlMallocSpace.

Also turn of native stack dumping when running under Valgrind to
work around b/18119146.

Ritzperf before and after
Mean               3190.725   3082.475
Standard Error     11.68407   10.37911
Mode               3069       2980
Median             3182.5     3051.5
Variance           16382.117  12927.125
Standard Deviation 127.99264  113.69751
Kurtosis           1.1065632  0.3657799
Skewness           0.9013805  0.9117792
Range              644        528
Minimum            2991       2928
Maximum            3635       3456
Count              120        120

Bug: 18119146
Change-Id: I25558ea7cb578406011dede9d3d0bdbfee4ff4d5

runtime/utils.cc

diff --git a/runtime/utils.cc b/runtime/utils.cc
index 0373708..f2d710d 100644
--- a/runtime/utils.cc
+++ b/runtime/utils.cc
@@ -1121,6 +1121,11 @@
 void DumpNativeStack(std::ostream& os, pid_t tid, const char* prefix,
     mirror::ArtMethod* current_method) {
 #ifdef __linux__
+  // b/18119146
+  if (RUNNING_ON_VALGRIND != 0) {
+    return;
+  }
+
   std::unique_ptr<Backtrace> backtrace(Backtrace::Create(BACKTRACE_CURRENT_PROCESS, tid));
   if (!backtrace->Unwind(0)) {
     os << prefix << "(backtrace::Unwind failed for thread " << tid << ")\n";