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-rw-r--r--tests/mtd-tests/flash_speed.c111
-rw-r--r--tests/mtd-tests/nandbiterrs.c35
2 files changed, 80 insertions, 66 deletions
diff --git a/tests/mtd-tests/flash_speed.c b/tests/mtd-tests/flash_speed.c
index 3489233..11f396c 100644
--- a/tests/mtd-tests/flash_speed.c
+++ b/tests/mtd-tests/flash_speed.c
@@ -23,6 +23,7 @@
* Author: Adrian Hunter <adrian.hunter@nokia.com>
*/
#define DESTRUCTIVE 0x01
+#define CONTINOUS 0x02
#define PROGRAM_NAME "flash_speed"
@@ -47,7 +48,9 @@ static const char *mtddev;
static libmtd_t mtd_desc;
static int fd;
+static int npages = 1;
static int peb=-1, count=-1, skip=-1, flags=0, speb=-1;
+static bool continuous = false;
static struct timespec start, finish;
static int pgsize, pgcnt;
static int goodebcnt;
@@ -59,6 +62,7 @@ static const struct option options[] = {
{ "count", required_argument, NULL, 'c' },
{ "skip", required_argument, NULL, 's' },
{ "sec-peb", required_argument, NULL, 'k' },
+ { "continuous", no_argument, NULL, 'C' },
{ NULL, 0, NULL, 0 },
};
@@ -72,7 +76,8 @@ static NORETURN void usage(int status)
" -c, --count <num> Number of erase blocks to use (default: all)\n"
" -s, --skip <num> Number of blocks to skip\n"
" -d, --destructive Run destructive (erase and write speed) tests\n"
- " -k, --sec-peb <num> Start of secondary block to measure RWW latency (requires -d)\n",
+ " -k, --sec-peb <num> Start of secondary block to measure RWW latency (requires -d)\n"
+ " -C, --continuous Increase the number of consecutive pages gradually\n",
status==EXIT_SUCCESS ? stdout : stderr);
exit(status);
}
@@ -96,7 +101,7 @@ static void process_options(int argc, char **argv)
int c;
while (1) {
- c = getopt_long(argc, argv, "hb:c:s:dk:", options, NULL);
+ c = getopt_long(argc, argv, "hb:c:s:dk:C", options, NULL);
if (c == -1)
break;
@@ -136,6 +141,9 @@ static void process_options(int argc, char **argv)
if (speb < 0)
goto failarg;
break;
+ case 'C':
+ continuous = true;
+ break;
default:
exit(EXIT_FAILURE);
}
@@ -232,46 +240,21 @@ static int write_eraseblock_by_2pages(int ebnum)
return err;
}
-static int read_eraseblock_by_page(int ebnum)
-{
- void *buf = iobuf;
- int i, err = 0;
-
- for (i = 0; i < pgcnt; ++i) {
- err = mtd_read(&mtd, fd, ebnum, i * pgsize, iobuf, pgsize);
- if (err) {
- fprintf(stderr, "Error reading block %d, page %d!\n",
- ebnum, i);
- break;
- }
- buf += pgsize;
- }
-
- return err;
-}
-
-static int read_eraseblock_by_2pages(int ebnum)
+static int read_eraseblock_by_npages(int ebnum)
{
- int i, n = pgcnt / 2, err = 0;
- size_t sz = pgsize * 2;
+ int i, n = pgcnt / npages, err = 0;
+ size_t sz = pgsize * npages;
void *buf = iobuf;
for (i = 0; i < n; ++i) {
err = mtd_read(&mtd, fd, ebnum, i * sz, iobuf, sz);
if (err) {
- fprintf(stderr, "Error reading block %d, page %d + %d!\n",
- ebnum, i*2, i*2+1);
+ fprintf(stderr, "Error reading block %d, page [%d-%d]!\n",
+ ebnum, i*npages, (i*npages) + npages- 1);
return err;
}
buf += sz;
}
- if (pgcnt % 2) {
- err = mtd_read(&mtd, fd, ebnum, i * sz, iobuf, pgsize);
- if (err) {
- fprintf(stderr, "Error reading block %d, page %d!\n",
- ebnum, i*2);
- }
- }
return err;
}
@@ -296,14 +279,17 @@ static long calc_duration(struct timespec *start, struct timespec *finish)
return ms;
}
-static long calc_speed(struct timespec *start, struct timespec *finish)
+static long calc_speed(struct timespec *start, struct timespec *finish,
+ int pages_per_set)
{
long ms = calc_duration(start, finish);
+ int sets_in_eb = pgcnt / pages_per_set;
+ size_t sz = pgsize * pages_per_set * sets_in_eb;
if (ms <= 0)
return 0;
- return ((long)goodebcnt * (mtd.eb_size / 1024L) * 1000L) / ms;
+ return ((long)goodebcnt * (sz / 1024L) * 1000L) / ms;
}
static void scan_for_bad_eraseblocks(unsigned int eb, int ebcnt, int ebskip)
@@ -364,7 +350,7 @@ static void *op_thread(void *ptr)
return (void *)err;
}
-#define TIME_OP_PER_PEB( op )\
+#define TIME_OP_PER_PEB( op, npages ) \
start_timing(&start);\
for (i = 0; i < count; ++i) {\
if (bbt[i])\
@@ -374,7 +360,7 @@ static void *op_thread(void *ptr)
goto out;\
}\
stop_timing(&finish);\
- speed = calc_speed(&start, &finish)
+ speed = calc_speed(&start, &finish, npages)
int main(int argc, char **argv)
{
@@ -435,13 +421,13 @@ int main(int argc, char **argv)
goto out;
puts("testing eraseblock write speed");
- TIME_OP_PER_PEB(write_eraseblock);
+ TIME_OP_PER_PEB(write_eraseblock, 1);
printf("eraseblock write speed is %ld KiB/s\n", speed);
}
/* Read all eraseblocks, 1 eraseblock at a time */
puts("testing eraseblock read speed");
- TIME_OP_PER_PEB(read_eraseblock);
+ TIME_OP_PER_PEB(read_eraseblock, 1);
printf("eraseblock read speed is %ld KiB/s\n", speed);
/* Write all eraseblocks, 1 page at a time */
@@ -451,30 +437,45 @@ int main(int argc, char **argv)
goto out;
puts("testing page write speed");
- TIME_OP_PER_PEB(write_eraseblock_by_page);
+ TIME_OP_PER_PEB(write_eraseblock_by_page, 1);
printf("page write speed is %ld KiB/s\n", speed);
}
/* Read all eraseblocks, 1 page at a time */
puts("testing page read speed");
- TIME_OP_PER_PEB(read_eraseblock_by_page);
+ npages = 1;
+ TIME_OP_PER_PEB(read_eraseblock_by_npages, npages);
printf("page read speed is %ld KiB/s\n", speed);
- /* Write all eraseblocks, 2 pages at a time */
- if (flags & DESTRUCTIVE) {
- err = erase_good_eraseblocks(peb, count, skip);
- if (err)
- goto out;
+ if (continuous) {
+ /* Write all eraseblocks, 2 pages at a time */
+ if (flags & DESTRUCTIVE) {
+ err = erase_good_eraseblocks(peb, count, skip);
+ if (err)
+ goto out;
- puts("testing 2 page write speed");
- TIME_OP_PER_PEB(write_eraseblock_by_2pages);
- printf("2 page write speed is %ld KiB/s\n", speed);
- }
+ puts("testing 2 page write speed");
+ TIME_OP_PER_PEB(write_eraseblock_by_2pages, 2);
+ printf("2 page write speed is %ld KiB/s\n", speed);
+ }
- /* Read all eraseblocks, 2 pages at a time */
- puts("testing 2 page read speed");
- TIME_OP_PER_PEB(read_eraseblock_by_2pages);
- printf("2 page read speed is %ld KiB/s\n", speed);
+ /* Read all eraseblocks, N pages at a time */
+ puts("testing multiple pages read speed");
+ for (npages = 2; npages <= 16 && npages <= pgcnt; npages++) {
+ TIME_OP_PER_PEB(read_eraseblock_by_npages, npages);
+ printf("%d page read speed is %ld KiB/s\n", npages, speed);
+ }
+ if (pgcnt >= 32) {
+ npages = 32;
+ TIME_OP_PER_PEB(read_eraseblock_by_npages, npages);
+ printf("%d page read speed is %ld KiB/s\n", npages, speed);
+ }
+ if (pgcnt >= 64) {
+ npages = 64;
+ TIME_OP_PER_PEB(read_eraseblock_by_npages, npages);
+ printf("%d page read speed is %ld KiB/s\n", npages, speed);
+ }
+ }
/* Erase all eraseblocks */
if (flags & DESTRUCTIVE) {
@@ -484,7 +485,7 @@ int main(int argc, char **argv)
if (err)
goto out;
stop_timing(&finish);
- speed = calc_speed(&start, &finish);
+ speed = calc_speed(&start, &finish, 1);
printf("erase speed is %ld KiB/s\n", speed);
}
@@ -508,7 +509,7 @@ int main(int argc, char **argv)
i += j;
}
stop_timing(&finish);
- speed = calc_speed(&start, &finish);
+ speed = calc_speed(&start, &finish, 1);
printf("%dx multi-block erase speed is %ld KiB/s\n",
blocks, speed);
}
diff --git a/tests/mtd-tests/nandbiterrs.c b/tests/mtd-tests/nandbiterrs.c
index f583c14..424a95f 100644
--- a/tests/mtd-tests/nandbiterrs.c
+++ b/tests/mtd-tests/nandbiterrs.c
@@ -63,12 +63,13 @@
#define MODE_INCREMENTAL 0x02
#define MODE_OVERWRITE 0x04
#define PAGE_ERASED 0x08
+#define CONTINUOUS_READ 0x10
static int peb = -1, page = -1, max_overwrite = -1, seed = -1;
static const char *mtddev;
static unsigned char *wbuffer, *rbuffer, *old_data;
-static int fd, pagesize, pagecount, flags;
+static int fd, pagesize, bs, pagecount, flags;
static struct mtd_dev_info mtd;
static libmtd_t mtd_desc;
@@ -81,6 +82,7 @@ static const struct option options[] = {
{ "erased", no_argument, NULL, 'e' },
{ "writes", required_argument, NULL, 'w' },
{ "incremental", no_argument, NULL, 'i' },
+ { "continuous", no_argument, NULL, 'c' },
{ "overwrite", no_argument, NULL, 'o' },
{ NULL, 0, NULL, 0 },
};
@@ -95,7 +97,8 @@ static NORETURN void usage(int status)
" -b, --peb <num> Use this physical erase block\n"
" -p, --page <num> Use this page within the erase block\n"
" -s, --seed <num> Specify seed for PRNG\n"
- " -e, --erased Test erased pages instead of written pages\n\n"
+ " -e, --erased Test erased pages instead of written pages\n"
+ " -c, --continuous Use two consecutive pages (incremental test only)\n\n"
"Options controling test mode:\n"
" -i, --incremental Manually insert bit errors until ECC fails\n"
" -o, --overwrite Rewrite page until bits flip and ECC fails\n\n"
@@ -124,7 +127,7 @@ static void process_options(int argc, char **argv)
int c;
while (1) {
- c = getopt_long(argc, argv, "hkb:p:s:eiow:", options, NULL);
+ c = getopt_long(argc, argv, "hkb:p:s:eiow:c", options, NULL);
if (c == -1)
break;
@@ -175,6 +178,9 @@ static void process_options(int argc, char **argv)
case 'e':
flags |= PAGE_ERASED;
break;
+ case 'c':
+ flags |= CONTINUOUS_READ;
+ break;
case 'h':
usage(EXIT_SUCCESS);
default:
@@ -193,6 +199,9 @@ static void process_options(int argc, char **argv)
if (!(flags & (MODE_OVERWRITE|MODE_INCREMENTAL)))
errmsg_die("No test mode specified!");
+ if (flags & CONTINUOUS_READ && !(flags & MODE_INCREMENTAL))
+ errmsg_die("Use --continuous with --incremental only!");
+
if ((max_overwrite > 0) && !(flags & MODE_OVERWRITE))
errmsg_die("Write count specified but mode is not --overwrite!");
@@ -235,9 +244,9 @@ static void init_buffer(void)
unsigned int i;
if (flags & PAGE_ERASED) {
- memset(wbuffer, 0xff, pagesize);
+ memset(wbuffer, 0xff, bs);
} else {
- for (i = 0; i < pagesize; ++i)
+ for (i = 0; i < bs; ++i)
wbuffer[i] = hash(i+seed);
}
}
@@ -251,7 +260,7 @@ static int write_page(void)
goto fail_mode;
err = mtd_write(mtd_desc, &mtd, fd, peb, page*pagesize,
- wbuffer, pagesize, NULL, 0, 0);
+ wbuffer, bs, NULL, 0, 0);
if (err)
fprintf(stderr, "Failed to write page %d in block %d\n", peb, page);
@@ -290,7 +299,7 @@ static int read_page(void)
if (ioctl(fd, ECCGETSTATS, &old) != 0)
goto failstats;
- err = mtd_read(&mtd, fd, peb, page*pagesize, rbuffer, pagesize);
+ err = mtd_read(&mtd, fd, peb, page*pagesize, rbuffer, bs);
if (err) {
fputs("Read failed!\n", stderr);
return -1;
@@ -316,7 +325,7 @@ static int verify_page(void)
int erased = flags & PAGE_ERASED;
unsigned int i, errs = 0;
- for (i = 0; i < pagesize; ++i) {
+ for (i = 0; i < bs; ++i) {
if (rbuffer[i] != (erased ? 0xff : hash(i+seed)))
++errs;
}
@@ -332,7 +341,7 @@ static int insert_biterror(void)
{
int bit, mask, byte;
- for (byte = 0; byte < pagesize; ++byte) {
+ for (byte = 0; byte < bs; ++byte) {
for (bit = 7, mask = 0x80; bit >= 0; bit--, mask >>= 1) {
if (wbuffer[byte] & mask) {
wbuffer[byte] &= ~mask;
@@ -461,6 +470,10 @@ int main(int argc, char **argv)
pagesize = mtd.subpage_size;
pagecount = mtd.eb_size / pagesize;
+ if (!(flags & CONTINUOUS_READ))
+ bs = pagesize;
+ else
+ bs = 2 * pagesize;
if (peb >= mtd.eb_cnt)
return errmsg("Physical erase block %d is out of range!", peb);
@@ -483,13 +496,13 @@ int main(int argc, char **argv)
}
}
- wbuffer = malloc(pagesize);
+ wbuffer = malloc(bs);
if (!wbuffer) {
perror(NULL);
goto fail_dev;
}
- rbuffer = malloc(pagesize);
+ rbuffer = malloc(bs);
if (!rbuffer) {
perror(NULL);
goto fail_rbuffer;
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-12 13:33:46 +0000