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Hotfix: Improved file test

This commit is contained in:
Lorenz Meier 2013-09-27 09:24:49 +02:00
parent f7090db708
commit 2c54e827ed
1 changed files with 61 additions and 2 deletions
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63
src/systemcmds/tests/tests_file.c
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@ -38,7 +38,9 @@
*/ */
#include <sys/stat.h> #include <sys/stat.h>
#include <dirent.h>
#include <stdio.h> #include <stdio.h>
#include <stddef.h>
#include <unistd.h> #include <unistd.h>
#include <fcntl.h> #include <fcntl.h>
#include <systemlib/err.h> #include <systemlib/err.h>
@ -52,7 +54,7 @@
int int
test_file(int argc, char *argv[]) test_file(int argc, char *argv[])
{ {
const iterations = 10; const iterations = 200;
/* check if microSD card is mounted */ /* check if microSD card is mounted */
struct stat buffer; struct stat buffer;
@ -63,15 +65,52 @@ test_file(int argc, char *argv[])
uint8_t buf[512]; uint8_t buf[512];
hrt_abstime start, end; hrt_abstime start, end;
perf_counter_t wperf = perf_alloc(PC_ELAPSED, "SD writes"); perf_counter_t wperf = perf_alloc(PC_ELAPSED, "SD writes (aligned)");
int fd = open("/fs/microsd/testfile", O_TRUNC | O_WRONLY | O_CREAT); int fd = open("/fs/microsd/testfile", O_TRUNC | O_WRONLY | O_CREAT);
memset(buf, 0, sizeof(buf)); memset(buf, 0, sizeof(buf));
warnx("aligned write - please wait..");
if ((0x3 & (uintptr_t)buf))
warnx("memory is unaligned!");
start = hrt_absolute_time(); start = hrt_absolute_time();
for (unsigned i = 0; i < iterations; i++) { for (unsigned i = 0; i < iterations; i++) {
perf_begin(wperf); perf_begin(wperf);
write(fd, buf, sizeof(buf)); write(fd, buf, sizeof(buf));
fsync(fd);
perf_end(wperf);
}
end = hrt_absolute_time();
warnx("%dKiB in %llu microseconds", iterations / 2, end - start);
perf_print_counter(wperf);
perf_free(wperf);
int ret = unlink("/fs/microsd/testfile");
if (ret)
err(1, "UNLINKING FILE FAILED");
warnx("unaligned write - please wait..");
struct {
uint8_t byte;
uint8_t unaligned[512];
} unaligned_buf;
if ((0x3 & (uintptr_t)unaligned_buf.unaligned) == 0)
warnx("creating unaligned memory failed.");
wperf = perf_alloc(PC_ELAPSED, "SD writes (unaligned)");
start = hrt_absolute_time();
for (unsigned i = 0; i < iterations; i++) {
perf_begin(wperf);
write(fd, unaligned_buf.unaligned, sizeof(unaligned_buf.unaligned));
fsync(fd);
perf_end(wperf); perf_end(wperf);
} }
end = hrt_absolute_time(); end = hrt_absolute_time();
@ -79,9 +118,29 @@ test_file(int argc, char *argv[])
close(fd); close(fd);
warnx("%dKiB in %llu microseconds", iterations / 2, end - start); warnx("%dKiB in %llu microseconds", iterations / 2, end - start);
perf_print_counter(wperf); perf_print_counter(wperf);
perf_free(wperf); perf_free(wperf);
/* list directory */
DIR *d;
struct dirent *dir;
d = opendir("/fs/microsd");
if (d) {
while ((dir = readdir(d)) != NULL) {
//printf("%s\n", dir->d_name);
}
closedir(d);
warnx("directory listing ok (FS mounted and readable)");
} else {
/* failed opening dir */
err(1, "FAILED LISTING MICROSD ROOT DIRECTORY");
}
return 0; return 0;
} }
#if 0 #if 0