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
26char *gPtr17;
27char *gPtr71;
28static int num17ByteBlocks;
29static int num71ByteBlocks;
30
31void
32Java_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
55void
56Java_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