File: pagingtest.h

package info (click to toggle)
android-platform-system-extras 7.0.0%2Br33-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 4,136 kB
  • sloc: cpp: 28,180; ansic: 14,543; python: 5,376; sh: 2,441; java: 908; asm: 299; makefile: 19; xml: 12
file content (20 lines) | stat: -rw-r--r-- 652 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
#include <unistd.h>
#include <stdbool.h>

#ifndef __PAGINGTEST_H__
#define __PAGINGTEST_H__
#define USEC_PER_SEC 1000000ULL
#define mincore_vec_len(size) (((size) + sysconf(_SC_PAGE_SIZE) - 1) / sysconf(_SC_PAGE_SIZE))
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))

//Helpers
int create_tmp_file(char *filename, off_t size);
unsigned char *alloc_mincore_vec(size_t size);
bool check_caching(void *buf, unsigned char *vec, size_t size, bool is_cached);

//Tests
int mmap_test(int test_runs, unsigned long long alloc_size);
int pageinout_test(int test_runs, unsigned long long file_size);
int thrashing_test(int test_runs);

#endif //__PAGINGTEST_H__