Revert "Revert "Add profman tool: responsible to process profiles""
This reverts commit 3da74687e42de7d33a8e75df9bd64374e650f75e.
Change-Id: Id005096bd8063c6c602744d4476d5eb7e0d34e90
diff --git a/profman/profile_assistant.h b/profman/profile_assistant.h
new file mode 100644
index 0000000..d3c75b8
--- /dev/null
+++ b/profman/profile_assistant.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_PROFMAN_PROFILE_ASSISTANT_H_
+#define ART_PROFMAN_PROFILE_ASSISTANT_H_
+
+#include <string>
+#include <vector>
+
+#include "base/scoped_flock.h"
+#include "jit/offline_profiling_info.h"
+
+namespace art {
+
+class ProfileAssistant {
+ public:
+ // These also serve as return codes of profman and are processed by installd
+ // (frameworks/native/cmds/installd/commands.cpp)
+ enum ProcessingResult {
+ kCompile = 0,
+ kSkipCompilation = 1,
+ kErrorBadProfiles = 2,
+ kErrorIO = 3,
+ kErrorCannotLock = 4
+ };
+
+ // Process the profile information present in the given files. Returns one of
+ // ProcessingResult values depending on profile information and whether or not
+ // the analysis ended up successfully (i.e. no errors during reading,
+ // merging or writing of profile files).
+ //
+ // When the returned value is kCompile there is a significant difference
+ // between profile_files and reference_profile_files. In this case
+ // reference_profile will be updated with the profiling info obtain after
+ // merging all profiles.
+ //
+ // When the returned value is kSkipCompilation, the difference between the
+ // merge of the current profiles and the reference one is insignificant. In
+ // this case no file will be updated.
+ //
+ static ProcessingResult ProcessProfiles(
+ const std::vector<std::string>& profile_files,
+ const std::string& reference_profile_file);
+
+ static ProcessingResult ProcessProfiles(
+ const std::vector<int>& profile_files_fd_,
+ int reference_profile_file_fd);
+
+ private:
+ static ProcessingResult ProcessProfilesInternal(
+ const std::vector<ScopedFlock>& profile_files,
+ const ScopedFlock& reference_profile_file);
+
+ DISALLOW_COPY_AND_ASSIGN(ProfileAssistant);
+};
+
+} // namespace art
+
+#endif // ART_PROFMAN_PROFILE_ASSISTANT_H_