96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <errno.h>
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#include <stdlib.h>
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#include <utils/Log.h>
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#include <string.h>
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#include <hardware/memtrack.h>
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#include "memtrack.h"
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int memtrack_init(const struct memtrack_module *module)
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{
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if(!module)
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return -1;
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// ALOGD("memtrack start to init");
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return 0;
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}
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int memtrack_get_memory(const struct memtrack_module *module,
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pid_t pid,
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int type,
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struct memtrack_record *records,
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size_t *num_records)
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{
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if(!module)
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return -1;
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// ALOGD("memtrack try to get Gpu memory type: %d ",type);
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if (type == MEMTRACK_TYPE_GL || type == MEMTRACK_TYPE_GRAPHICS) {
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return memtrack_get_memory_impl(pid, type, records, num_records);
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}
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return -EINVAL;
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}
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static int memtrack_open(const hw_module_t* module, const char* name,
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hw_device_t** device)
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{
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ALOGD("%s: memtrack enter; name=%s", __FUNCTION__, name);
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int retval = 0; /* 0 is ok; -1 is error */
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if (strcmp(name, "memtrack") == 0) {
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struct memtrack_module *dev = (struct memtrack_module *)calloc(1,
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sizeof(struct memtrack_module));
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if (dev) {
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/* Common hw_device_t fields */
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dev->common.tag = HARDWARE_DEVICE_TAG;
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dev->common.module_api_version = MEMTRACK_MODULE_API_VERSION_0_1;
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dev->common.module_api_version = HARDWARE_HAL_API_VERSION;
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dev->init = memtrack_init;
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dev->getMemory = memtrack_get_memory;
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*device = (hw_device_t*)dev;
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} else
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retval = -ENOMEM;
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} else {
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retval = -EINVAL;
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}
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ALOGD("%s: exit %d", __FUNCTION__, retval);
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return retval;
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}
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static struct hw_module_methods_t memtrack_module_methods = {
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.open = memtrack_open,
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};
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struct memtrack_module HAL_MODULE_INFO_SYM = {
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common: {
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tag: HARDWARE_MODULE_TAG,
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module_api_version: MEMTRACK_MODULE_API_VERSION_0_1,
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hal_api_version: HARDWARE_HAL_API_VERSION,
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id: MEMTRACK_HARDWARE_MODULE_ID,
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name: "Memory Tracker HAL",
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author: "The Android Open Source Project",
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methods: &memtrack_module_methods,
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},
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init: memtrack_init,
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getMemory: memtrack_get_memory,
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};
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