Files
frameworks_base/cmds/statsd/tools/loadtest/Android.mk
Yao Chen 9c1debe330 Add annotation to atoms that represent a state change in atoms.proto
+ A state change atom can have one exclusive state field, and any
  number of primary key fields.

  When there is primary key in the atom, it means the state belongs to the primary key.
  For example,
  message UidProcessStateChanged {
    optional int32 uid = 1 [(stateFieldOption).option = PRIMARY];
    optional android.app.ProcessStateEnum state = 2 [(stateFieldOption).option = EXCLUSIVE];
  }

  When there is no primary key fields in the atom, the state is global.
  For example,
  message ScreenStateChanged {
     optional android.view.DisplayStateEnum state = 1 [(stateFieldOption).option = EXCLUSIVE];
  }

+ The annotation is consumed by stats_log_api_gen to generate a static map from the state
  atoms to its primary fields, and exclusive fields

+ stats_log.proto is splitted into 2 proto files, because statsd needs proto lite, and c++
  lite proto library cannot properly ignore the field options which requires full proto.

 This CL doesn't change any logic in the statsd yet. A separate CL will use the field option
 information to correctly track the state.

Test: added unit tests in stats_log_api_gen_test. and statsd_test pases.
Change-Id: I9e8a979fe81ba60efd4d854bb7087ce4b2b147ec
2018-02-21 16:46:56 -08:00

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Makefile

# Copyright (C) 2017 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.
#
#
LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_PACKAGE_NAME := StatsdLoadtest
LOCAL_SRC_FILES := $(call all-java-files-under, src)
LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res
LOCAL_STATIC_JAVA_LIBRARIES := platformprotoslite \
statsdprotolite
LOCAL_CERTIFICATE := platform
LOCAL_PRIVILEGED_MODULE := true
LOCAL_DEX_PREOPT := false
LOCAL_PROGUARD_ENABLED := disabled
include $(BUILD_PACKAGE)