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