static int esp8266_Sync(sqlite3_file *id, int flags)
{
esp8266_file *file = (esp8266_file*) id;
int rc = vfs_flush( file->fd );
dbg_printf("esp8266_Sync: %d\n", rc);
return rc ? SQLITE_IOERR_FSYNC : SQLITE_OK;
}
int fsync(int fd)
{
struct fdtab_entry *e = fdtab_get(fd);
switch(e->type) {
case FDTAB_TYPE_FILE:
{
errval_t err = vfs_flush((vfs_handle_t)e->handle);
if(err_is_fail(err)) {
return -1;
}
}
break;
default:
errno = EINVAL;
return -1;
}
return 0;
}
static int
rand_bench_time(char *target, uint8_t *buffer, size_t filesize, size_t blocksize, size_t count, size_t randval, struct bench_res *result)
{
size_t randbit;
size_t rsize = 0;
size_t wsize = 0;
int ret = 0;
#define RAND_NEXT do {\
randbit = ((randval >> 0) ^ (randval >> 3)) & 1;\
randval = (randval >> 1) | (randbit << (sizeof(size_t) * CHAR_BIT - 1));\
} while (0)
#define RAND_BLOCK ((randval % (filesize / blocksize)) * blocksize)
if (filesize % blocksize != 0) {
printf("Please spcifiy the filesize as a multiple of blocksize\n");
return 0;
}
errval_t err;
vfs_handle_t f = NULL;
char *path = vfs_path_mkabsolute(cwd, target);
err = vfs_open(path, &f);
if (err_is_fail(err)) {
printf("%s: %s\n", path, err_getstring(err));
return 1;
}
#if defined(__x86_64__) || defined(__i386__)
uint64_t tscperms;
err = sys_debug_get_tsc_per_ms(&tscperms);
assert(err_is_ok(err));
//printf("ticks per millisec: %" PRIu64 "\n", tscperms);
uint64_t start = rdtsc();
#endif
size_t count2 = count;
while (count2--) {
RAND_NEXT;
vfs_seek(f, VFS_SEEK_SET, RAND_BLOCK);
err = vfs_read(f, buffer, blocksize, &rsize);
if (err_is_fail(err)) {
DEBUG_ERR(err, "error reading file");
ret = 1;
goto out;
}
assert(rsize == blocksize);
}
#if defined(__x86_64__) || defined(__i386__)
uint64_t stop = rdtsc();
uint64_t elapsed_msecs = ((stop - start) / tscperms);
double elapsed_secs = (double)elapsed_msecs/1000.0;
result->read = elapsed_secs;
start = rdtsc();
#endif
count2 = count;
while(count2--) {
RAND_NEXT;
vfs_seek(f, VFS_SEEK_SET, RAND_BLOCK);
err = vfs_write(f, buffer, blocksize, &wsize);
if (err_is_fail(err) || wsize == 0) {
DEBUG_ERR(err, "error writing file");
ret = 1;
goto out;
}
assert(wsize == blocksize);
vfs_flush(f);
}
#if defined(__x86_64__) || defined(__i386__)
stop = rdtsc();
elapsed_msecs = ((stop - start) / tscperms);
elapsed_secs = (double)elapsed_msecs/1000.0;
result->write = elapsed_secs;
#endif
out:
if (f != NULL) {
err = vfs_close(f);
if (err_is_fail(err)) {
DEBUG_ERR(err, "in vfs_close");
}
}
return ret;
}