ART: Print jit memory use only if we have samples
Otherwise we got crashes on sigquit/shutdown trying to dump
JIT statistics when the histograms are empty.
Change-Id: Iac3ab5b51121f9bb5656f6ef71af785706541288
Signed-off-by: Pavel Vyssotski <pavel.n.vyssotski@intel.com>
diff --git a/runtime/base/histogram-inl.h b/runtime/base/histogram-inl.h
index c7a0ba2..4af47d1 100644
--- a/runtime/base/histogram-inl.h
+++ b/runtime/base/histogram-inl.h
@@ -202,9 +202,13 @@
template <class Value>
inline void Histogram<Value>::PrintMemoryUse(std::ostream &os) const {
- os << Name()
- << ": Avg: " << PrettySize(Mean()) << " Max: "
- << PrettySize(Max()) << " Min: " << PrettySize(Min()) << "\n";
+ os << Name();
+ if (sample_size_ != 0u) {
+ os << ": Avg: " << PrettySize(Mean()) << " Max: "
+ << PrettySize(Max()) << " Min: " << PrettySize(Min()) << "\n";
+ } else {
+ os << ": <no data>\n";
+ }
}
template <class Value>