1 /*
2  * Copyright (C) 2013 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.internal.app.procstats;
18 
19 import android.content.ComponentName;
20 import android.os.ParcelFileDescriptor;
21 import com.android.internal.app.procstats.ProcessStats;
22 
23 interface IProcessStats {
24     @EnforcePermission("PACKAGE_USAGE_STATS")
getCurrentStats(out List<ParcelFileDescriptor> historic)25     byte[] getCurrentStats(out List<ParcelFileDescriptor> historic);
26     @EnforcePermission("PACKAGE_USAGE_STATS")
getStatsOverTime(long minTime)27     ParcelFileDescriptor getStatsOverTime(long minTime);
getCurrentMemoryState()28     int getCurrentMemoryState();
29 
30     /**
31      * Get stats committed after highWaterMarkMs
32      * @param highWaterMarkMs Report stats committed after this time.
33      * @param section Integer mask to indicate which sections to include in the stats.
34      * @param doAggregate Whether to aggregate the stats or keep them separated.
35      * @param List of Files of individual commits in protobuf binary or one that is merged from them.
36      */
getCommittedStats(long highWaterMarkMs, int section, boolean doAggregate, out List<ParcelFileDescriptor> committedStats)37      long getCommittedStats(long highWaterMarkMs, int section, boolean doAggregate,
38         out List<ParcelFileDescriptor> committedStats);
39 
40     /**
41      * Get stats committed after highWaterMarkMs
42      * @param highWaterMarkMs Report stats committed after this time.
43      * @param section Integer mask to indicate which sections to include in the stats.
44      * @param doAggregate Whether to aggregate the stats or keep them separated.
45      * @param List of Files of individual commits in protobuf binary or one that is merged from them.
46      * @param ProcessStats object that will be used to return the full set of merged stats.
47      */
48      @EnforcePermission("PACKAGE_USAGE_STATS")
getCommittedStatsMerged(long highWaterMarkMs, int section, boolean doAggregate, out List<ParcelFileDescriptor> committedStats, out ProcessStats mergedStats)49      long getCommittedStatsMerged(long highWaterMarkMs, int section, boolean doAggregate,
50         out List<ParcelFileDescriptor> committedStats, out ProcessStats mergedStats);
51 
52     /**
53      * @return The threshold to decide if a given association should be dumped into metrics.
54      */
getMinAssociationDumpDuration()55     long getMinAssociationDumpDuration();
56 }
57