forked from Archive/PX4-Autopilot
Hotfix: Improved file test
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f7090db708
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2c54e827ed
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@ -38,7 +38,9 @@
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*/
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#include <sys/stat.h>
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#include <dirent.h>
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#include <stdio.h>
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#include <stddef.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <systemlib/err.h>
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@ -52,7 +54,7 @@
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int
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test_file(int argc, char *argv[])
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{
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const iterations = 10;
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const iterations = 200;
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/* check if microSD card is mounted */
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struct stat buffer;
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@ -63,15 +65,52 @@ test_file(int argc, char *argv[])
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uint8_t buf[512];
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hrt_abstime start, end;
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perf_counter_t wperf = perf_alloc(PC_ELAPSED, "SD writes");
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perf_counter_t wperf = perf_alloc(PC_ELAPSED, "SD writes (aligned)");
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int fd = open("/fs/microsd/testfile", O_TRUNC | O_WRONLY | O_CREAT);
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memset(buf, 0, sizeof(buf));
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warnx("aligned write - please wait..");
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if ((0x3 & (uintptr_t)buf))
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warnx("memory is unaligned!");
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start = hrt_absolute_time();
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for (unsigned i = 0; i < iterations; i++) {
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perf_begin(wperf);
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write(fd, buf, sizeof(buf));
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fsync(fd);
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perf_end(wperf);
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}
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end = hrt_absolute_time();
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warnx("%dKiB in %llu microseconds", iterations / 2, end - start);
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perf_print_counter(wperf);
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perf_free(wperf);
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int ret = unlink("/fs/microsd/testfile");
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if (ret)
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err(1, "UNLINKING FILE FAILED");
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warnx("unaligned write - please wait..");
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struct {
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uint8_t byte;
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uint8_t unaligned[512];
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} unaligned_buf;
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if ((0x3 & (uintptr_t)unaligned_buf.unaligned) == 0)
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warnx("creating unaligned memory failed.");
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wperf = perf_alloc(PC_ELAPSED, "SD writes (unaligned)");
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start = hrt_absolute_time();
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for (unsigned i = 0; i < iterations; i++) {
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perf_begin(wperf);
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write(fd, unaligned_buf.unaligned, sizeof(unaligned_buf.unaligned));
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fsync(fd);
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perf_end(wperf);
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}
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end = hrt_absolute_time();
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@ -79,9 +118,29 @@ test_file(int argc, char *argv[])
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close(fd);
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warnx("%dKiB in %llu microseconds", iterations / 2, end - start);
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perf_print_counter(wperf);
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perf_free(wperf);
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/* list directory */
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DIR *d;
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struct dirent *dir;
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d = opendir("/fs/microsd");
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if (d) {
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while ((dir = readdir(d)) != NULL) {
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//printf("%s\n", dir->d_name);
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}
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closedir(d);
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warnx("directory listing ok (FS mounted and readable)");
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} else {
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/* failed opening dir */
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err(1, "FAILED LISTING MICROSD ROOT DIRECTORY");
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}
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return 0;
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}
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#if 0
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