Save profile information in a separate thread.
Previously we would save the profiling information only when the app
was sent to background. This missed on an important number of updates
on the jit code cache and it didn't work for background processes.
Bug: 26080105
Change-Id: I84075629870e69b3ed372f00f4806af1e9391e0f
diff --git a/runtime/jit/jit_code_cache.h b/runtime/jit/jit_code_cache.h
index fa43766..905b277 100644
--- a/runtime/jit/jit_code_cache.h
+++ b/runtime/jit/jit_code_cache.h
@@ -148,11 +148,11 @@
// Adds to `methods` all the compiled ArtMethods which are part of any of the given dex locations.
void GetCompiledArtMethods(const std::set<const std::string>& dex_base_locations,
- std::set<ArtMethod*>& methods)
+ std::vector<ArtMethod*>& methods)
REQUIRES(!lock_)
SHARED_REQUIRES(Locks::mutator_lock_);
- uint64_t GetLastUpdateTimeNs() REQUIRES(!lock_);
+ uint64_t GetLastUpdateTimeNs() const;
private:
// Take ownership of maps.
@@ -244,7 +244,8 @@
bool has_done_one_collection_ GUARDED_BY(lock_);
// Last time the the code_cache was updated.
- uint64_t last_update_time_ns_ GUARDED_BY(lock_);
+ // It is atomic to avoid locking when reading it.
+ Atomic<uint64_t> last_update_time_ns_;
DISALLOW_IMPLICIT_CONSTRUCTORS(JitCodeCache);
};