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