static void
pool_create(const char *path, size_t bsize, size_t poolsize, unsigned mode)
{
PMEMblkpool *pbp = pmemblk_create(path, bsize, poolsize, mode);
if (pbp == NULL)
UT_OUT("!%s: pmemblk_create", path);
else {
struct stat stbuf;
STAT(path, &stbuf);
UT_OUT("%s: file size %zu usable blocks %zu mode 0%o",
path, stbuf.st_size,
pmemblk_nblock(pbp),
stbuf.st_mode & 0777);
pmemblk_close(pbp);
int result = pmemblk_check(path, bsize);
if (result < 0)
UT_OUT("!%s: pmemblk_check", path);
else if (result == 0)
UT_OUT("%s: pmemblk_check: not consistent", path);
else
UT_ASSERTeq(pmemblk_check(path, bsize * 2), -1);
}
}
int
main(int argc, char *argv[])
{
START(argc, argv, "blk_nblock");
if (argc < 2)
FATAL("usage: %s bsize:file...", argv[0]);
/* map each file argument with the given map type */
for (int arg = 1; arg < argc; arg++) {
char *fname;
size_t bsize = strtoul(argv[arg], &fname, 0);
if (*fname != ':')
FATAL("usage: %s bsize:file...", argv[0]);
fname++;
PMEMblkpool *handle;
handle = pmemblk_create(fname, bsize, 0, S_IWUSR | S_IRUSR);
if (handle == NULL) {
OUT("!%s: pmemblk_create", fname);
} else {
OUT("%s: block size %zu usable blocks: %zu",
fname, bsize, pmemblk_nblock(handle));
ASSERTeq(pmemblk_bsize(handle), bsize);
pmemblk_close(handle);
int result = pmemblk_check(fname, bsize);
if (result < 0)
OUT("!%s: pmemblk_check", fname);
else if (result == 0)
OUT("%s: pmemblk_check: not consistent", fname);
else {
ASSERTeq(pmemblk_check(fname, bsize + 1), -1);
ASSERTeq(pmemblk_check(fname, 0), 1);
handle = pmemblk_open(fname, 0);
ASSERTeq(pmemblk_bsize(handle), bsize);
pmemblk_close(handle);
}
}
}
DONE(NULL);
}
/*
* blk_exit -- function for de-initialization benchmark
*/
static int
blk_exit(struct benchmark *bench, struct benchmark_args *args)
{
struct blk_bench *bb = (struct blk_bench *)pmembench_get_priv(bench);
struct blk_args *ba = (struct blk_args *)args->opts;
if (ba->file_io) {
os_close(bb->fd);
} else {
pmemblk_close(bb->pbp);
int result = pmemblk_check(args->fname, args->dsize);
if (result < 0) {
perror("pmemblk_check error");
return -1;
} else if (result == 0) {
perror("pmemblk_check: not consistent");
return -1;
}
}
free(bb);
return 0;
}
int
main(int argc, char *argv[])
{
START(argc, argv, "blk_non_zero");
if (argc < 5)
UT_FATAL("usage: %s bsize file func [file_size] op:lba...",
argv[0]);
int read_arg = 1;
Bsize = strtoul(argv[read_arg++], NULL, 0);
const char *path = argv[read_arg++];
PMEMblkpool *handle = NULL;
switch (*argv[read_arg++]) {
case 'c': {
size_t fsize = strtoul(argv[read_arg++], NULL, 0);
handle = pmemblk_create(path, Bsize, fsize,
S_IRUSR | S_IWUSR);
if (handle == NULL)
UT_FATAL("!%s: pmemblk_create", path);
break;
}
case 'o':
handle = pmemblk_open(path, Bsize);
if (handle == NULL)
UT_FATAL("!%s: pmemblk_open", path);
break;
default:
UT_FATAL("unrecognized command %s", argv[read_arg - 1]);
}
UT_OUT("%s block size %zu usable blocks %zu",
argv[1], Bsize, pmemblk_nblock(handle));
UT_OUT("is zeroed:\t%d", is_zeroed(path));
/* map each file argument with the given map type */
for (; read_arg < argc; read_arg++) {
if (strchr("rwze", argv[read_arg][0]) == NULL ||
argv[read_arg][1] != ':')
UT_FATAL("op must be r: or w: or z: or e:");
off_t lba = strtoul(&argv[read_arg][2], NULL, 0);
unsigned char buf[Bsize];
switch (argv[read_arg][0]) {
case 'r':
if (pmemblk_read(handle, buf, lba) < 0)
UT_OUT("!read lba %zu", lba);
else
UT_OUT("read lba %zu: %s", lba,
ident(buf));
break;
case 'w':
construct(buf);
if (pmemblk_write(handle, buf, lba) < 0)
UT_OUT("!write lba %zu", lba);
else
UT_OUT("write lba %zu: %s", lba,
ident(buf));
break;
case 'z':
if (pmemblk_set_zero(handle, lba) < 0)
UT_OUT("!set_zero lba %zu", lba);
else
UT_OUT("set_zero lba %zu", lba);
break;
case 'e':
if (pmemblk_set_error(handle, lba) < 0)
UT_OUT("!set_error lba %zu", lba);
else
UT_OUT("set_error lba %zu", lba);
break;
}
}
pmemblk_close(handle);
int result = pmemblk_check(path, Bsize);
if (result < 0)
UT_OUT("!%s: pmemblk_check", path);
else if (result == 0)
UT_OUT("%s: pmemblk_check: not consistent", path);
DONE(NULL);
}
int
main(int argc, char *argv[])
{
START(argc, argv, "blk_recovery");
if (argc != 5)
FATAL("usage: %s bsize file first_lba lba", argv[0]);
Bsize = strtoul(argv[1], NULL, 0);
const char *path = argv[2];
PMEMblkpool *handle;
if ((handle = pmemblk_create(path, Bsize, 0,
S_IWUSR | S_IRUSR)) == NULL)
FATAL("!%s: pmemblk_create", path);
OUT("%s block size %zu usable blocks %zu",
argv[1], Bsize, pmemblk_nblock(handle));
/* write the first lba */
off_t lba = strtoul(argv[3], NULL, 0);
unsigned char buf[Bsize];
construct(buf);
if (pmemblk_write(handle, buf, lba) < 0)
FATAL("!write lba %zu", lba);
OUT("write lba %zu: %s", lba, ident(buf));
/* reach into the layout and write-protect the map */
struct btt_info *infop = (void *)handle +
roundup(sizeof (struct pmemblk), BLK_FORMAT_DATA_ALIGN);
void *mapaddr = (void *)infop + le32toh(infop->mapoff);
void *flogaddr = (void *)infop + le32toh(infop->flogoff);
OUT("write-protecting map, length %zu", (size_t)(flogaddr - mapaddr));
MPROTECT(mapaddr, (size_t)(flogaddr - mapaddr), PROT_READ);
/* arrange to catch SEGV */
struct sigaction v;
sigemptyset(&v.sa_mask);
v.sa_flags = 0;
v.sa_handler = signal_handler;
SIGACTION(SIGSEGV, &v, NULL);
/* map each file argument with the given map type */
lba = strtoul(argv[4], NULL, 0);
construct(buf);
if (!sigsetjmp(Jmp, 1)) {
if (pmemblk_write(handle, buf, lba) < 0)
FATAL("!write lba %zu", lba);
else
FATAL("write lba %zu: %s", lba, ident(buf));
}
pmemblk_close(handle);
int result = pmemblk_check(path);
if (result < 0)
OUT("!%s: pmemblk_check", path);
else if (result == 0)
OUT("%s: pmemblk_check: not consistent", path);
else
OUT("%s: consistent", path);
DONE(NULL);
}
int
main(int argc, char *argv[])
{
START(argc, argv, "blk_rw");
if (argc < 5)
FATAL("usage: %s bsize file func op:lba...", argv[0]);
Bsize = strtoul(argv[1], NULL, 0);
const char *path = argv[2];
PMEMblkpool *handle;
switch (*argv[3]) {
case 'c':
handle = pmemblk_create(path, Bsize, 0,
S_IWUSR | S_IRUSR);
if (handle == NULL)
FATAL("!%s: pmemblk_create", path);
break;
case 'o':
handle = pmemblk_open(path, Bsize);
if (handle == NULL)
FATAL("!%s: pmemblk_open", path);
break;
}
OUT("%s block size %zu usable blocks %zu",
argv[1], Bsize, pmemblk_nblock(handle));
/* map each file argument with the given map type */
for (int arg = 4; arg < argc; arg++) {
if (strchr("rwze", argv[arg][0]) == NULL || argv[arg][1] != ':')
FATAL("op must be r: or w: or z: or e:");
off_t lba = strtol(&argv[arg][2], NULL, 0);
unsigned char buf[Bsize];
switch (argv[arg][0]) {
case 'r':
if (pmemblk_read(handle, buf, lba) < 0)
OUT("!read lba %jd", lba);
else
OUT("read lba %jd: %s", lba, ident(buf));
break;
case 'w':
construct(buf);
if (pmemblk_write(handle, buf, lba) < 0)
OUT("!write lba %jd", lba);
else
OUT("write lba %jd: %s", lba, ident(buf));
break;
case 'z':
if (pmemblk_set_zero(handle, lba) < 0)
OUT("!set_zero lba %jd", lba);
else
OUT("set_zero lba %jd", lba);
break;
case 'e':
if (pmemblk_set_error(handle, lba) < 0)
OUT("!set_error lba %jd", lba);
else
OUT("set_error lba %jd", lba);
break;
}
}
pmemblk_close(handle);
int result = pmemblk_check(path, Bsize);
if (result < 0)
OUT("!%s: pmemblk_check", path);
else if (result == 0)
OUT("%s: pmemblk_check: not consistent", path);
DONE(NULL);
}
int
main(int argc, char *argv[])
{
struct blk_arguments arguments;
/* set the random seed value */
srand(time(NULL));
/* set default values */
memset(&arguments, 0, sizeof (struct blk_arguments));
arguments.block_size = 512;
arguments.num_ops = 100;
arguments.file_size = (PMEMBLK_MIN_POOL / 1024) / 1024;
if (argp_parse(&argp, argc, argv, 0, 0, &arguments) != 0) {
exit(1);
}
struct worker_info worker_params[arguments.thread_count];
memset(worker_params, 0, sizeof (struct worker_info));
/* set common values */
worker_params[0].block_size = arguments.block_size;
worker_params[0].num_ops = arguments.num_ops;
worker_params[0].file_lanes = arguments.thread_count;
/* file_size is provided in MB */
unsigned long long file_size_bytes = arguments.file_size * 1024 * 1024;
worker *thread_workers = NULL;
/* prepare parameters specific for file/pmem */
if (arguments.file_io) {
/* prepare open flags */
int flags = O_RDWR | O_CREAT | O_SYNC;
/* create file on PMEM-aware file system */
if ((worker_params[0].file_desc = open(arguments.file_path,
flags, FILE_MODE)) < 0) {
perror(arguments.file_path);
exit(1);
}
/* pre-allocate file_size MB of persistent memory */
if ((errno = posix_fallocate(worker_params[0].file_desc,
(off_t)0, (off_t)file_size_bytes)) != 0) {
warn("posix_fallocate");
close(worker_params[0].file_desc);
exit(1);
}
worker_params[0].num_blocks = file_size_bytes
/ worker_params[0].block_size;
thread_workers = file_workers;
} else {
worker_params[0].file_desc = -1;
if (arguments.prep_blk_file) {
if ((worker_params[0].handle = pmemblk_create(
arguments.file_path,
worker_params[0].block_size,
(off_t)file_size_bytes, FILE_MODE)) == NULL) {
err(1, "%s: pmemblk_open", argv[2]);
}
} else {
if ((worker_params[0].handle = pmemblk_open(
arguments.file_path,
worker_params[0].block_size)) == NULL) {
err(1, "%s: pmemblk_open", argv[2]);
}
}
worker_params[0].num_blocks = pmemblk_nblock(
worker_params[0].handle);
thread_workers = pmem_workers;
}
/* propagate params to each info_t */
for (int i = 1; i < arguments.thread_count; ++i) {
memcpy(&worker_params[i], &worker_params[0],
sizeof (struct worker_info));
worker_params[i].thread_index = i;
worker_params[i].seed = rand();
}
/* The blk mode file prep */
if (arguments.prep_blk_file) {
if (worker_params[0].file_desc >= 0)
close(worker_params[0].file_desc);
return run_threads(prep_worker, arguments.thread_count,
worker_params);
}
struct measurements perf_meas;
perf_meas.total_ops = arguments.thread_count
* worker_params[0].num_ops;
/* perform PMEMBLK warmup */
if (!arguments.file_io) {
if (run_threads(warmup_worker, arguments.thread_count,
worker_params) != 0) {
if (worker_params[0].file_desc >= 0)
close(worker_params[0].file_desc);
exit(1);
}
}
for (int i = 0; i < WORKER_COUNT_MAX; ++i) {
clock_gettime(CLOCK_MONOTONIC, &perf_meas.start_time);
if (run_threads(thread_workers[i], arguments.thread_count,
worker_params) != 0) {
if (worker_params[0].file_desc >= 0)
close(worker_params[0].file_desc);
exit(1);
}
clock_gettime(CLOCK_MONOTONIC, &perf_meas.stop_time);
calculate_stats(&perf_meas);
printf("%f;%f;", perf_meas.total_run_time,
perf_meas.ops_per_second);
}
printf("\n");
if (worker_params[0].file_desc >= 0)
close(worker_params[0].file_desc);
/* cleanup and check pmem file */
if (!arguments.file_io) {
pmemblk_close(worker_params[0].handle);
/* not really necessary, but check consistency */
int result = pmemblk_check(arguments.file_path);
if (result < 0) {
warn("%s: pmemblk_check",
arguments.file_path);
} else if (result == 0) {
warnx("%s: pmemblk_check: not consistent",
arguments.file_path);
}
}
exit(0);
}
