Skip to content
Snippets Groups Projects
Commit 73f507da authored by Lorenz Meier's avatar Lorenz Meier
Browse files

Make tests file complete up to 64 byte shifts and 1.5 K chunks

parent 260ab559
No related branches found
No related tags found
No related merge requests found
Hide whitespace changes
Inline Side-by-side
src/systemcmds/tests/tests_file.c
+ 133
− 137
View file @ 73f507da
......@@ -54,7 +54,8 @@
int
test_file(int argc, char *argv[])
{
const iterations = 200;
const unsigned iterations = 100;
const unsigned alignments = 65;
/* check if microSD card is mounted */
struct stat buffer;
......@@ -63,194 +64,189 @@ test_file(int argc, char *argv[])
return 1;
}
uint8_t write_buf[512 + 64] __attribute__((aligned(64)));
/* perform tests for a range of chunk sizes */
unsigned chunk_sizes[] = {1, 5, 8, 16, 32, 33, 64, 70, 128, 133, 256, 300, 512, 555, 1024, 1500};
/* fill write buffer with known values */
for (int i = 0; i < sizeof(write_buf); i++) {
/* this will wrap, but we just need a known value with spacing */
write_buf[i] = i+11;
}
for (unsigned c = 0; c < (sizeof(chunk_sizes) / sizeof(chunk_sizes[0])); c++) {
uint8_t read_buf[512 + 64] __attribute__((aligned(64)));
hrt_abstime start, end;
perf_counter_t wperf = perf_alloc(PC_ELAPSED, "SD writes (aligned)");
printf("\n====== FILE TEST: %u bytes chunks ======", chunk_sizes[c]);
int fd = open("/fs/microsd/testfile", O_TRUNC | O_WRONLY | O_CREAT);
for (unsigned a = 0; a < alignments; a++) {
warnx("testing unaligned writes - please wait..");
warnx("----- alignment test: %u bytes -----", a);
start = hrt_absolute_time();
for (unsigned i = 0; i < iterations; i++) {
perf_begin(wperf);
int wret = write(fd, write_buf + 1/*+ (i % 64)*/, 512);
uint8_t write_buf[chunk_sizes[c] + alignments] __attribute__((aligned(64)));
if (wret != 512) {
warn("WRITE ERROR!");
/* fill write buffer with known values */
for (int i = 0; i < sizeof(write_buf); i++) {
/* this will wrap, but we just need a known value with spacing */
write_buf[i] = i+11;
}
if ((0x3 & (uintptr_t)(write_buf + 1 /* (i % 64)*/)))
warnx("memory is unaligned, align shift: %d", 1/*(i % 64)*/);
uint8_t read_buf[chunk_sizes[c] + alignments] __attribute__((aligned(64)));
hrt_abstime start, end;
//perf_counter_t wperf = perf_alloc(PC_ELAPSED, "SD writes (aligned)");
}
int fd = open("/fs/microsd/testfile", O_TRUNC | O_WRONLY | O_CREAT);
fsync(fd);
perf_end(wperf);
warnx("testing unaligned writes - please wait..");
}
end = hrt_absolute_time();
start = hrt_absolute_time();
for (unsigned i = 0; i < iterations; i++) {
//perf_begin(wperf);
int wret = write(fd, write_buf + a, chunk_sizes[c]);
warnx("%dKiB in %llu microseconds", iterations / 2, end - start);
if (wret != chunk_sizes[c]) {
warn("WRITE ERROR!");
perf_print_counter(wperf);
perf_free(wperf);
if ((0x3 & (uintptr_t)(write_buf + a)))
errx(1, "memory is unaligned, align shift: %d", a);
close(fd);
fd = open("/fs/microsd/testfile", O_RDONLY);
}
/* read back data for validation */
for (unsigned i = 0; i < iterations; i++) {
int rret = read(fd, read_buf, 512);
fsync(fd);
//perf_end(wperf);
if (rret != 512) {
warn("READ ERROR!");
break;
}
/* compare value */
bool compare_ok = true;
for (int j = 0; j < 512; j++) {
if (read_buf[j] != write_buf[j + 1/*+ (i % 64)*/]) {
warnx("COMPARISON ERROR: byte %d, align shift: %d", j, 1/*(i % 64)*/);
compare_ok = false;
break;
}
}
end = hrt_absolute_time();
if (!compare_ok) {
warnx("ABORTING FURTHER COMPARISON DUE TO ERROR");
break;
}
}
//warnx("%dKiB in %llu microseconds", iterations / 2, end - start);
/*
* ALIGNED WRITES AND UNALIGNED READS
*/
//perf_print_counter(wperf);
//perf_free(wperf);
int ret = unlink("/fs/microsd/testfile");
fd = open("/fs/microsd/testfile", O_TRUNC | O_WRONLY | O_CREAT);
close(fd);
fd = open("/fs/microsd/testfile", O_RDONLY);
warnx("testing aligned writes - please wait..");
/* read back data for validation */
for (unsigned i = 0; i < iterations; i++) {
int rret = read(fd, read_buf, chunk_sizes[c]);
start = hrt_absolute_time();
for (unsigned i = 0; i < iterations; i++) {
perf_begin(wperf);
int wret = write(fd, write_buf, 512);
if (rret != chunk_sizes[c]) {
errx(1, "READ ERROR!");
}
/* compare value */
bool compare_ok = true;
if (wret != 512) {
warn("WRITE ERROR!");
}
for (int j = 0; j < chunk_sizes[c]; j++) {
if (read_buf[j] != write_buf[j + a]) {
warnx("COMPARISON ERROR: byte %d, align shift: %d", j, a);
compare_ok = false;
break;
}
}
perf_end(wperf);
if (!compare_ok) {
errx(1, "ABORTING FURTHER COMPARISON DUE TO ERROR");
}
}
}
fsync(fd);
/*
* ALIGNED WRITES AND UNALIGNED READS
*/
warnx("reading data aligned..");
close(fd);
int ret = unlink("/fs/microsd/testfile");
fd = open("/fs/microsd/testfile", O_TRUNC | O_WRONLY | O_CREAT);
close(fd);
fd = open("/fs/microsd/testfile", O_RDONLY);
warnx("testing aligned writes - please wait..");
bool align_read_ok = true;
start = hrt_absolute_time();
for (unsigned i = 0; i < iterations; i++) {
int wret = write(fd, write_buf, chunk_sizes[c]);
/* read back data unaligned */
for (unsigned i = 0; i < iterations; i++) {
int rret = read(fd, read_buf, 512);
if (wret != chunk_sizes[c]) {
err(1, "WRITE ERROR!");
}
if (rret != 512) {
warn("READ ERROR!");
break;
}
/* compare value */
bool compare_ok = true;
for (int j = 0; j < 512; j++) {
if (read_buf[j] != write_buf[j]) {
warnx("COMPARISON ERROR: byte %d: %u != %u", j, (unsigned int)read_buf[j], (unsigned int)write_buf[j]);
align_read_ok = false;
break;
}
}
if (!align_read_ok) {
warnx("ABORTING FURTHER COMPARISON DUE TO ERROR");
break;
}
fsync(fd);
}
warnx("reading data aligned..");
warnx("align read result: %s\n", (align_read_ok) ? "OK" : "ERROR");
close(fd);
fd = open("/fs/microsd/testfile", O_RDONLY);
warnx("reading data unaligned..");
bool align_read_ok = true;
close(fd);
fd = open("/fs/microsd/testfile", O_RDONLY);
/* read back data unaligned */
for (unsigned i = 0; i < iterations; i++) {
int rret = read(fd, read_buf, chunk_sizes[c]);
bool unalign_read_ok = true;
int unalign_read_err_count = 0;
if (rret != chunk_sizes[c]) {
err(1, "READ ERROR!");
}
/* compare value */
bool compare_ok = true;
memset(read_buf, 0, sizeof(read_buf));
read_buf[0] = 0;
for (int j = 0; j < chunk_sizes[c]; j++) {
if (read_buf[j] != write_buf[j]) {
warnx("COMPARISON ERROR: byte %d: %u != %u", j, (unsigned int)read_buf[j], (unsigned int)write_buf[j]);
align_read_ok = false;
break;
}
}
warnx("printing first 10 pairs:");
if (!align_read_ok) {
errx(1, "ABORTING FURTHER COMPARISON DUE TO ERROR");
}
uint8_t *read_ptr = &read_buf[1];
}
/* read back data unaligned */
for (unsigned i = 0; i < iterations; i++) {
int rret = read(fd, read_ptr, 512);
warnx("align read result: %s\n", (align_read_ok) ? "OK" : "ERROR");
warnx("first byte: %u (should be zero)", (unsigned int)read_buf[0]);
warnx("reading data unaligned..");
if (rret != 512) {
warn("READ ERROR!");
break;
}
close(fd);
fd = open("/fs/microsd/testfile", O_RDONLY);
for (int j = 0; j < 512; j++) {
bool unalign_read_ok = true;
int unalign_read_err_count = 0;
if (i == 0 && j < 10) {
warnx("read: %u, expect: %u", (unsigned int)(read_buf + 1)[j], (unsigned int)write_buf[j]);
}
memset(read_buf, 0, sizeof(read_buf));
if ((read_buf + 1)[j] != write_buf[j]) {
warnx("COMPARISON ERROR: byte %d, align shift: %d: %u != %u", j, 1/*(i % 64)*/, (unsigned int)read_ptr[j], (unsigned int)write_buf[j]);
unalign_read_ok = false;
unalign_read_err_count++;
if (unalign_read_err_count > 10)
break;
}
}
/* read back data unaligned */
for (unsigned i = 0; i < iterations; i++) {
int rret = read(fd, read_buf + a, chunk_sizes[c]);
if (!unalign_read_ok) {
warnx("ABORTING FURTHER COMPARISON DUE TO ERROR");
break;
}
if (rret != chunk_sizes[c]) {
err(1, "READ ERROR!");
}
}
for (int j = 0; j < chunk_sizes[c]; j++) {
ret = unlink("/fs/microsd/testfile");
close(fd);
if ((read_buf + a)[j] != write_buf[j]) {
warnx("COMPARISON ERROR: byte %d, align shift: %d: %u != %u", j, a, (unsigned int)read_buf[j + a], (unsigned int)write_buf[j]);
unalign_read_ok = false;
unalign_read_err_count++;
if (unalign_read_err_count > 10)
break;
}
}
if (!unalign_read_ok) {
errx(1, "ABORTING FURTHER COMPARISON DUE TO ERROR");
}
if (ret)
err(1, "UNLINKING FILE FAILED");
}
ret = unlink("/fs/microsd/testfile");
close(fd);
if (ret)
err(1, "UNLINKING FILE FAILED");
}
}
/* list directory */
DIR *d;
struct dirent *dir;
DIR *d;
struct dirent *dir;
d = opendir("/fs/microsd");
if (d) {
......
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment