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author | px4dev <px4@purgatory.org> | 2012-09-13 21:42:51 -0700 |
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committer | px4dev <px4@purgatory.org> | 2012-09-13 21:42:51 -0700 |
commit | d7fb2175eb73fc7ec1616c3ad78fffd1bc1590ab (patch) | |
tree | a3d0bcf303d8f56e1c7a6fab0ff7d7642582c7db /apps | |
parent | a294ee2b870b8c8555e694015a37f4942082472a (diff) | |
download | px4-firmware-d7fb2175eb73fc7ec1616c3ad78fffd1bc1590ab.tar.gz px4-firmware-d7fb2175eb73fc7ec1616c3ad78fffd1bc1590ab.tar.bz2 px4-firmware-d7fb2175eb73fc7ec1616c3ad78fffd1bc1590ab.zip |
A simple file write performance test
Diffstat (limited to 'apps')
-rw-r--r-- | apps/px4/tests/tests.h | 1 | ||||
-rw-r--r-- | apps/px4/tests/tests_file.c | 76 | ||||
-rw-r--r-- | apps/px4/tests/tests_main.c | 1 |
3 files changed, 78 insertions, 0 deletions
diff --git a/apps/px4/tests/tests.h b/apps/px4/tests/tests.h index f2e35972f..8dc9d34e5 100644 --- a/apps/px4/tests/tests.h +++ b/apps/px4/tests/tests.h @@ -96,5 +96,6 @@ extern int test_time(int argc, char *argv[]); extern int test_uart_console(int argc, char *argv[]); extern int test_jig_voltages(int argc, char *argv[]); extern int test_param(int argc, char *argv[]); +extern int test_file(int argc, char *argv[]); #endif /* __APPS_PX4_TESTS_H */ diff --git a/apps/px4/tests/tests_file.c b/apps/px4/tests/tests_file.c new file mode 100644 index 000000000..2cff622f7 --- /dev/null +++ b/apps/px4/tests/tests_file.c @@ -0,0 +1,76 @@ +/**************************************************************************** + * + * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file tests_file.c + * + * File write test. + */ + +#include <stdio.h> +#include <unistd.h> +#include <fcntl.h> +#include <systemlib/err.h> +#include <systemlib/perf_counter.h> +#include <string.h> + +#include <arch/board/up_hrt.h> + +#include "tests.h" + +int +test_file(int argc, char *argv[]) +{ + uint8_t buf[512]; + hrt_abstime start, end; + perf_counter_t wperf = perf_alloc(PC_ELAPSED, "SD writes"); + + int fd = open("/fs/microsd/testfile", O_TRUNC | O_WRONLY | O_CREAT); + memset(buf, 0, sizeof(buf)); + + start = hrt_absolute_time(); + for (unsigned i = 0; i < 1024; i++) { + perf_begin(wperf); + write(fd, buf, sizeof(buf)); + perf_end(wperf); + } + end = hrt_absolute_time(); + + close(fd); + + warnx("512KiB in %llu microseconds", end - start); + perf_print_counter(wperf); + perf_free(wperf); + + return 0; +} diff --git a/apps/px4/tests/tests_main.c b/apps/px4/tests/tests_main.c index a4613288f..9604710c5 100644 --- a/apps/px4/tests/tests_main.c +++ b/apps/px4/tests/tests_main.c @@ -109,6 +109,7 @@ struct { {"all", test_all, OPT_NOALLTEST | OPT_NOJIGTEST, 0}, {"jig", test_jig, OPT_NOJIGTEST | OPT_NOALLTEST, 0}, {"param", test_param, 0, 0}, + {"file", test_file, 0, 0}, {"help", test_help, OPT_NOALLTEST | OPT_NOHELP | OPT_NOJIGTEST, 0}, {NULL, NULL, 0, 0} }; |