[LTP] [PATCH v2 1/4] Testing statx syscall Timestamp fields
subash
subash@zilogic.com
Tue Sep 4 10:01:52 CEST 2018
* statx_btime.c:The time before and after the execution of the create
system call is noted.
It is checked whether the birth time returned by statx lies in this range.
Signed-off-by: Subash <subash@zilogic.com>
Signed-off-by: Vaishnavi.D <vaishnavi.d@zilogic.com>
---
runtest/syscalls | 2 +
testcases/kernel/syscalls/statx/.gitignore | 2 +
testcases/kernel/syscalls/statx/Makefile | 29 +++++++
testcases/kernel/syscalls/statx/statx_btime.c | 91 ++++++++++++++++++++++
testcases/kernel/syscalls/statx/timestamp_helper.c | 40 ++++++++++
testcases/kernel/syscalls/statx/timestamp_helper.h | 31 ++++++++
6 files changed, 195 insertions(+)
create mode 100644 testcases/kernel/syscalls/statx/.gitignore
create mode 100644 testcases/kernel/syscalls/statx/Makefile
create mode 100644 testcases/kernel/syscalls/statx/statx_btime.c
create mode 100644 testcases/kernel/syscalls/statx/timestamp_helper.c
create mode 100644 testcases/kernel/syscalls/statx/timestamp_helper.h
diff --git a/runtest/syscalls b/runtest/syscalls
index 3161d918d..048fb9cc4 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -1493,3 +1493,5 @@ memfd_create01 memfd_create01
memfd_create02 memfd_create02
copy_file_range01 copy_file_range01
+
+statx_btime statx_btime
diff --git a/testcases/kernel/syscalls/statx/.gitignore b/testcases/kernel/syscalls/statx/.gitignore
new file mode 100644
index 000000000..4fb6f516f
--- /dev/null
+++ b/testcases/kernel/syscalls/statx/.gitignore
@@ -0,0 +1,2 @@
+/timestamp_helper
+/statx_btime
\ No newline at end of file
diff --git a/testcases/kernel/syscalls/statx/Makefile b/testcases/kernel/syscalls/statx/Makefile
new file mode 100644
index 000000000..3a326423c
--- /dev/null
+++ b/testcases/kernel/syscalls/statx/Makefile
@@ -0,0 +1,29 @@
+# Copyright (c) Zilogic Systems Pvt. Ltd., 2018
+# Email : code@zilogic.com
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+# the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#
+
+top_srcdir ?= ../../../..
+
+include $(top_srcdir)/include/mk/testcases.mk
+
+FILTER_OUT_MAKE_TARGETS := timestamp_helper
+
+%_64: CPPFLAGS += -D_FILE_OFFSET_BITS=64
+
+include $(top_srcdir)/include/mk/generic_leaf_target.mk
+
+$(MAKE_TARGETS): %: %.o timestamp_helper.o
diff --git a/testcases/kernel/syscalls/statx/statx_btime.c b/testcases/kernel/syscalls/statx/statx_btime.c
new file mode 100644
index 000000000..47a40efa9
--- /dev/null
+++ b/testcases/kernel/syscalls/statx/statx_btime.c
@@ -0,0 +1,91 @@
+//SPDX-License-Identifier:GPL-2.0-or-later
+/*
+ * Copyright (c) Zilogic Systems Pvt. Ltd., 2018
+ * Email : code@zilogic.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+ * the GNU General Public License for more details.
+ */
+
+/*
+ * Test case for statx_btime.
+ *
+ * DESCRIPTION : The time before and after the execution of the create
+ * system call is noted. It is checked whether the birth time
+ * returned by statx lies in this range.
+ *
+ */
+
+#include <stdio.h>
+#include "tst_test.h"
+#include "lapi/stat.h"
+#include "tst_timer.h"
+#include "tst_safe_macros.h"
+#include <sys/mount.h>
+#include "timestamp_helper.h"
+
+#define MOUNT_POINT "mount_ext"
+#define TEST_FILE MOUNT_POINT"/test_file.txt"
+
+static void create_file(void)
+{
+ int test_file_fd;
+
+ test_file_fd = SAFE_CREAT(TEST_FILE, 0666);
+ SAFE_CLOSE(test_file_fd);
+}
+
+static void test_statx_btime(void)
+{
+ struct statx buff;
+ struct timespec before_time;
+ struct timespec after_time;
+ struct timespec statx_time;
+
+ SAFE_CLOCK_GETTIME(CLOCK_REALTIME_COARSE, &before_time);
+ clock_wait_tick();
+ create_file();
+ clock_wait_tick();
+ SAFE_CLOCK_GETTIME(CLOCK_REALTIME_COARSE, &after_time);
+
+
+ TEST(statx(AT_FDCWD, TEST_FILE, 0, STATX_ALL, &buff));
+ if (TST_RET != 0)
+ tst_brk(TFAIL | TTERRNO,
+ "statx(AT_FDCWD, %s, 0, STATX_ALL, &buff)", TEST_FILE);
+
+ statx_timestamp_to_timespec(&buff.stx_btime, &statx_time);
+
+ if (tst_timespec_lt(statx_time, before_time))
+ tst_res(TFAIL, "Birth time < before time");
+ else if (tst_timespec_lt(after_time, statx_time))
+ tst_res(TFAIL, "Birth time > after_time");
+ else
+ tst_res(TPASS, "Birth Time Passed\n");
+
+}
+
+void cleanup(void)
+{
+ SAFE_UNLINK(TEST_FILE);
+}
+
+static struct tst_test test = {
+ .test_all = test_statx_btime,
+ .min_kver = "4.11",
+ .needs_root = 1,
+ .needs_tmpdir = 1,
+ .mntpoint = MOUNT_POINT,
+ .mount_device = 1,
+ .dev_fs_type = "ext4",
+ .dev_min_size = 512,
+ .mnt_flags = MS_STRICTATIME,
+ .cleanup = cleanup,
+};
diff --git a/testcases/kernel/syscalls/statx/timestamp_helper.c b/testcases/kernel/syscalls/statx/timestamp_helper.c
new file mode 100644
index 000000000..6b12dfd26
--- /dev/null
+++ b/testcases/kernel/syscalls/statx/timestamp_helper.c
@@ -0,0 +1,40 @@
+//SPDX-License-Identifier:GPL-2.0-or-later
+/*
+ * Copyright (c) Zilogic Systems Pvt. Ltd., 2018
+ * Email: code@zilogic.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define TST_NO_DEFAULT_MAIN
+
+#include "timestamp_helper.h"
+
+void statx_timestamp_to_timespec(const struct statx_timestamp *timestamp,
+ struct timespec *timespec)
+{
+ timespec->tv_sec = timestamp->tv_sec;
+ timespec->tv_nsec = timestamp->tv_nsec;
+}
+
+void clock_wait_tick(void)
+{
+ struct timespec res;
+ unsigned int usecs;
+
+ SAFE_CLOCK_GETRES(CLOCK_REALTIME_COARSE, &res);
+ usecs = ((res.tv_sec * 1000000) + (res.tv_nsec / 1000)) * 1.5;
+
+ usleep(usecs);
+}
diff --git a/testcases/kernel/syscalls/statx/timestamp_helper.h b/testcases/kernel/syscalls/statx/timestamp_helper.h
new file mode 100644
index 000000000..bb6794920
--- /dev/null
+++ b/testcases/kernel/syscalls/statx/timestamp_helper.h
@@ -0,0 +1,31 @@
+//SPDX-License-Identifier:GPL-2.0-or-later
+/*
+ * Copyright (c) Zilogic Systems Pvt. Ltd., 2018
+ * Email: code@zilogic.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TIMESTAMP_HELPER
+#define TIMESTAMP_HELPER
+
+#include <time.h>
+#include "lapi/stat.h"
+#include "tst_test.h"
+#include "tst_safe_macros.h"
+
+void statx_timestamp_to_timespec(const struct statx_timestamp *timestamp,
+ struct timespec *timespec);
+void clock_wait_tick(void);
+#endif
--
2.11.0
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