From aee2156e308f3f346ac4df76ba1d33ee9b11be84 Mon Sep 17 00:00:00 2001
From: Nicolas Geoffray <ngeoffray@google.com>
Date: Tue, 15 Dec 2015 16:39:44 +0000
Subject: Add some dumping when SIGQUIT for the JIT.

Change-Id: Iad68bdc8a4ab53e810feb3bc8507b7f42e79b1f7
---
 runtime/jit/jit.cc           | 8 ++++----
 runtime/jit/jit.h            | 4 ++++
 runtime/jit/jit_code_cache.h | 5 +++++
 runtime/runtime.cc           | 5 +++++
 4 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/runtime/jit/jit.cc b/runtime/jit/jit.cc
index a653440b5f..4b39c03e0c 100644
--- a/runtime/jit/jit.cc
+++ b/runtime/jit/jit.cc
@@ -52,10 +52,10 @@ JitOptions* JitOptions::CreateFromRuntimeArguments(const RuntimeArgumentMap& opt
 }
 
 void Jit::DumpInfo(std::ostream& os) {
-  os << "Code cache size=" << PrettySize(code_cache_->CodeCacheSize())
-     << " data cache size=" << PrettySize(code_cache_->DataCacheSize())
-     << " number of compiled code=" << code_cache_->NumberOfCompiledCode()
-     << "\n";
+  os << "JIT code cache size=" << PrettySize(code_cache_->CodeCacheSize()) << "\n"
+     << "JIT data cache size=" << PrettySize(code_cache_->DataCacheSize()) << "\n"
+     << "JIT current capacity=" << PrettySize(code_cache_->GetCurrentCapacity()) << "\n"
+     << "JIT number of compiled code=" << code_cache_->NumberOfCompiledCode() << "\n";
   cumulative_timings_.Dump(os);
 }
 
diff --git a/runtime/jit/jit.h b/runtime/jit/jit.h
index 630eba34af..e80a376349 100644
--- a/runtime/jit/jit.h
+++ b/runtime/jit/jit.h
@@ -74,6 +74,10 @@ class Jit {
 
   void SaveProfilingInfo(const std::string& filename);
 
+  void DumpForSigQuit(std::ostream& os) {
+    DumpInfo(os);
+  }
+
  private:
   Jit();
   bool LoadCompiler(std::string* error_msg);
diff --git a/runtime/jit/jit_code_cache.h b/runtime/jit/jit_code_cache.h
index 4032c7b832..205a3ed49f 100644
--- a/runtime/jit/jit_code_cache.h
+++ b/runtime/jit/jit_code_cache.h
@@ -154,6 +154,11 @@ class JitCodeCache {
 
   uint64_t GetLastUpdateTimeNs() REQUIRES(!lock_);
 
+  size_t GetCurrentCapacity() REQUIRES(!lock_) {
+    MutexLock lock(Thread::Current(), lock_);
+    return current_capacity_;
+  }
+
  private:
   // Take ownership of maps.
   JitCodeCache(MemMap* code_map,
diff --git a/runtime/runtime.cc b/runtime/runtime.cc
index 93ca347b49..02747d0d4d 100644
--- a/runtime/runtime.cc
+++ b/runtime/runtime.cc
@@ -1300,6 +1300,11 @@ void Runtime::DumpForSigQuit(std::ostream& os) {
   GetInternTable()->DumpForSigQuit(os);
   GetJavaVM()->DumpForSigQuit(os);
   GetHeap()->DumpForSigQuit(os);
+  if (GetJit() != nullptr) {
+    GetJit()->DumpForSigQuit(os);
+  } else {
+    os << "Running non JIT\n";
+  }
   TrackedAllocators::Dump(os);
   os << "\n";
 
-- 
cgit v1.2.3-59-g8ed1b