memtrack_msm.c revision c150373713683b4ff42323c1be9f4dab56e93757 
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#include <errno.h>
18
19#include <hardware/memtrack.h>
20
21#include "memtrack_msm.h"
22
23int msm_memtrack_init(const struct memtrack_module *module)
24{
25    if(!module)
26        return -1;
27    return 0;
28}
29
30int msm_memtrack_get_memory(const struct memtrack_module *module,
31                                pid_t pid,
32                                int type,
33                                struct memtrack_record *records,
34                                size_t *num_records)
35{
36    if(!module)
37        return -1;
38    if (type == MEMTRACK_TYPE_GL || type == MEMTRACK_TYPE_GRAPHICS) {
39        return kgsl_memtrack_get_memory(pid, type, records, num_records);
40    }
41
42    return -EINVAL;
43}
44
45static struct hw_module_methods_t memtrack_module_methods = {
46    .open = NULL,
47};
48
49struct memtrack_module HAL_MODULE_INFO_SYM = {
50    common: {
51        tag: HARDWARE_MODULE_TAG,
52        module_api_version: MEMTRACK_MODULE_API_VERSION_0_1,
53        hal_api_version: HARDWARE_HAL_API_VERSION,
54        id: MEMTRACK_HARDWARE_MODULE_ID,
55        name: "MSM Memory Tracker HAL",
56        author: "The Android Open Source Project",
57        methods: &memtrack_module_methods,
58    },
59
60    init: msm_memtrack_init,
61    getMemory: msm_memtrack_get_memory,
62};
63
64