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 *gPtr17; 27 char *gPtr71; 28 static int num17ByteBlocks; 29 static int num71ByteBlocks; 30 31 void 32 Java_com_android_benchmark_moarram_MainActivity_addVariableSizedBlocksNative( 33 JNIEnv* env, 34 jobject this, 35 jint id) 36 { 37 int size; 38 char **gPtr; 39 char **ptr; 40 if (id == 0) { 41 size = 17; 42 gPtr = &gPtr17; 43 } else { 44 size = 71; 45 gPtr = &gPtr71; 46 } 47 ptr = malloc(size); 48 *ptr = *gPtr; 49 *gPtr = (char *) ptr; 50 ALOGW("%d %d-byte blocks allocated so far (just allocated %p)", 51 id == 0 ? ++num17ByteBlocks : ++num71ByteBlocks, 52 size, ptr); 53 } 54 55 void 56 Java_com_android_benchmark_moarram_MainActivity_freeVariableSizedBlocksNative( 57 JNIEnv* env, 58 jobject this, 59 jint id) 60 { 61 int size; 62 char **ptr; 63 char **gPtr; 64 if (id == 0) { 65 size = 17; 66 gPtr = &gPtr17; 67 } else { 68 size = 71; 69 gPtr = &gPtr71; 70 } 71 if (*gPtr == NULL) { 72 ALOGW("All %d-byte blocks are freed", size); 73 return; 74 } 75 ptr = (char **) *gPtr; 76 *gPtr = *ptr; 77 free(ptr); 78 ALOGW("%d %d-byte blocks allocated so far (just freed %p)", 79 id == 0 ? --num17ByteBlocks : --num71ByteBlocks, 80 size, ptr); 81 } 82
