1 /*
2  * Copyright 2019 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 androidx.benchmark
18 
19 import java.io.File
20 
21 internal object MemInfo {
22     val memTotalBytes: Long
23 
24     init {
25         val memInfo = File("/proc/meminfo")
<lambda>null26         val memTotalLine = memInfo.readLines().firstOrNull { it.matches(Regex("MemTotal:.*")) }
27         memTotalBytes = memTotalLine?.split(Regex("\\s+"))?.get(1)?.toLong()?.times(1024) ?: -1
28     }
29 }
30