Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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 | */ |
Yi Jin | c7f9307 | 2017-09-29 15:29:38 -0700 | [diff] [blame] | 16 | syntax = "proto2"; |
Yi Jin | 22769e0 | 2017-10-16 14:42:50 -0700 | [diff] [blame] | 17 | |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 18 | option java_multiple_files = true; |
| 19 | option java_outer_classname = "PageTypeInfoProto"; |
| 20 | |
Yi Jin | 0d7bc2d1 | 2018-01-23 17:35:19 -0800 | [diff] [blame] | 21 | import "frameworks/base/libs/incident/proto/android/privacy.proto"; |
| 22 | |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 23 | package android.os; |
| 24 | |
| 25 | /* |
| 26 | * /proc/pagetypeinfo exports free memory distributions. |
| 27 | * |
| 28 | * For example, the order of a page ranges form 0 to 10. |
| 29 | * An order-0 page is 4 KB in size and 4 KB aligned. |
| 30 | * An order-1 page is 8 KB in size and 8 KB aligned. |
| 31 | * An order-10 page is 4096 KB in size and 4096 aligned. |
| 32 | * The memory has multiple zones, e.g. DMA zone, Normal zone |
| 33 | * Each zone has 11 free area. Each free area corresponds to pages of the same order. |
| 34 | * Each free area has 6 free list. Each corresponds to one migration type. |
| 35 | * The six migration types are Unmovable, Reclaimable, Movable, Reserve, CMA, and Isolate. |
| 36 | * Each zone has 11 * 6 = 66 free list. |
| 37 | * |
| 38 | * Next tag: 5 |
| 39 | */ |
| 40 | message PageTypeInfo { |
Yi Jin | 0d7bc2d1 | 2018-01-23 17:35:19 -0800 | [diff] [blame] | 41 | option (android.msg_privacy).dest = DEST_AUTOMATIC; |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 42 | |
Yi Jin | c7f9307 | 2017-09-29 15:29:38 -0700 | [diff] [blame] | 43 | optional int32 page_block_order = 1; |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 44 | |
Yi Jin | c7f9307 | 2017-09-29 15:29:38 -0700 | [diff] [blame] | 45 | optional int32 pages_per_block = 2; |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 46 | |
| 47 | repeated MigrateTypeProto migrate_types = 3; |
| 48 | |
| 49 | repeated BlockProto blocks = 4; |
| 50 | } |
| 51 | |
| 52 | // Next tag: 5 |
| 53 | message MigrateTypeProto { |
Yi Jin | 0d7bc2d1 | 2018-01-23 17:35:19 -0800 | [diff] [blame] | 54 | option (android.msg_privacy).dest = DEST_AUTOMATIC; |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 55 | |
Yi Jin | c7f9307 | 2017-09-29 15:29:38 -0700 | [diff] [blame] | 56 | optional int32 node = 1; |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 57 | |
Yi Jin | c7f9307 | 2017-09-29 15:29:38 -0700 | [diff] [blame] | 58 | optional string zone = 2; |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 59 | |
Yi Jin | c7f9307 | 2017-09-29 15:29:38 -0700 | [diff] [blame] | 60 | optional string type = 3; |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 61 | |
| 62 | // order level starts from 0 for 4KB to page_block_order defined above, e.g. 10 for 4096KB |
| 63 | repeated int32 free_pages_count = 4; |
| 64 | } |
| 65 | |
| 66 | // Next tag: 9 |
| 67 | message BlockProto { |
Yi Jin | 0d7bc2d1 | 2018-01-23 17:35:19 -0800 | [diff] [blame] | 68 | option (android.msg_privacy).dest = DEST_AUTOMATIC; |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 69 | |
Yi Jin | c7f9307 | 2017-09-29 15:29:38 -0700 | [diff] [blame] | 70 | optional int32 node = 1; |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 71 | |
Yi Jin | c7f9307 | 2017-09-29 15:29:38 -0700 | [diff] [blame] | 72 | optional string zone = 2; |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 73 | |
Yi Jin | c7f9307 | 2017-09-29 15:29:38 -0700 | [diff] [blame] | 74 | optional int32 unmovable = 3; |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 75 | |
Yi Jin | c7f9307 | 2017-09-29 15:29:38 -0700 | [diff] [blame] | 76 | optional int32 reclaimable = 4; |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 77 | |
Yi Jin | c7f9307 | 2017-09-29 15:29:38 -0700 | [diff] [blame] | 78 | optional int32 movable = 5; |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 79 | |
Yi Jin | c7f9307 | 2017-09-29 15:29:38 -0700 | [diff] [blame] | 80 | optional int32 cma = 6; |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 81 | |
Yi Jin | c7f9307 | 2017-09-29 15:29:38 -0700 | [diff] [blame] | 82 | optional int32 reserve = 7; |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 83 | |
Yi Jin | c7f9307 | 2017-09-29 15:29:38 -0700 | [diff] [blame] | 84 | optional int32 isolate = 8; |
Yi Jin | 810b14f | 2017-09-11 19:01:08 -0700 | [diff] [blame] | 85 | } |