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 18 #include <jni.h> 19 #include <malloc.h> 20 #include <cutils/log.h> 21 22 #if defined(LOG_TAG) 23 #undef LOG_TAG 24 #define LOG_TAG "MOARRAM" 25 #endif 26 27 char *gPtr2; 28 static int num2MByteBlocks; 29 30 void 31 Java_com_android_benchmark_moarram_MainActivity_add2MByteBlocksNative( 32 JNIEnv* env, 33 jobject this) 34 { 35 char **ptr = malloc(2*1024*1024); 36 *ptr = gPtr2; 37 gPtr2 = (char *) ptr; 38 num2MByteBlocks++; 39 ALOGW("%d 2M-byte blocks allocated so far (just allocated %p)", 40 num2MByteBlocks, gPtr2); 41 } 42 43 void 44 Java_com_android_benchmark_moarram_MainActivity_free2MByteBlocksNative( 45 JNIEnv* env, 46 jobject this) 47 { 48 if (gPtr2 == NULL) { 49 ALOGW("All 2M-byte blocks are freed"); 50 return; 51 } 52 53 char **ptr = (char **) gPtr2; 54 gPtr2 = *ptr; 55 free(ptr); 56 num2MByteBlocks--; 57 ALOGW("%d 2M-byte blocks allocated so far (just freed %p)", 58 num2MByteBlocks, ptr); 59 } 60
