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
Java_com_android_benchmark_moarram_MainActivity_add2MByteBlocksNative(JNIEnv * env,jobject this)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
Java_com_android_benchmark_moarram_MainActivity_free2MByteBlocksNative(JNIEnv * env,jobject this)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