From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yang Xu Date: Fri, 11 Oct 2019 12:23:18 +0800 Subject: [LTP] [PATCH v4 2/2] syscalls/prctl09: New timer sample test for PR_SET_TIMERSLACK In-Reply-To: <1570767798-26685-1-git-send-email-xuyang2018.jy@cn.fujitsu.com> References: <20191009121906.GA7677@rei.lan> <1570767798-26685-1-git-send-email-xuyang2018.jy@cn.fujitsu.com> Message-ID: <1570767798-26685-2-git-send-email-xuyang2018.jy@cn.fujitsu.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ltp@lists.linux.it Signed-off-by: Yang Xu --- runtest/syscalls | 1 + testcases/kernel/syscalls/prctl/.gitignore | 1 + testcases/kernel/syscalls/prctl/Makefile | 2 +- testcases/kernel/syscalls/prctl/prctl09.c | 45 ++++++++++++++++++++++ 4 files changed, 48 insertions(+), 1 deletion(-) create mode 100644 testcases/kernel/syscalls/prctl/prctl09.c diff --git a/runtest/syscalls b/runtest/syscalls index 76961a684..705d7f87e 100644 --- a/runtest/syscalls +++ b/runtest/syscalls @@ -879,6 +879,7 @@ prctl05 prctl05 prctl06 prctl06 prctl07 prctl07 prctl08 prctl08 +prctl09 prctl09 pread01 pread01 pread01_64 pread01_64 diff --git a/testcases/kernel/syscalls/prctl/.gitignore b/testcases/kernel/syscalls/prctl/.gitignore index fe36a8e0f..0f2c9b194 100644 --- a/testcases/kernel/syscalls/prctl/.gitignore +++ b/testcases/kernel/syscalls/prctl/.gitignore @@ -7,3 +7,4 @@ /prctl06_execve /prctl07 /prctl08 +/prctl09 diff --git a/testcases/kernel/syscalls/prctl/Makefile b/testcases/kernel/syscalls/prctl/Makefile index cf19507c0..c02b6d1de 100644 --- a/testcases/kernel/syscalls/prctl/Makefile +++ b/testcases/kernel/syscalls/prctl/Makefile @@ -21,5 +21,5 @@ top_srcdir ?= ../../../.. include $(top_srcdir)/include/mk/testcases.mk prctl07: LDLIBS += $(CAP_LIBS) - +prctl09: LDLIBS += -lrt include $(top_srcdir)/include/mk/generic_leaf_target.mk diff --git a/testcases/kernel/syscalls/prctl/prctl09.c b/testcases/kernel/syscalls/prctl/prctl09.c new file mode 100644 index 000000000..e8d9aabd0 --- /dev/null +++ b/testcases/kernel/syscalls/prctl/prctl09.c @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2019 FUJITSU LIMITED. All rights reserved. + * Author: Yang Xu + */ + +/* + * Test Description: + * This is a timer sampling tests that timer slack is 200us. + */ + +#include +#include +#include "lapi/prctl.h" +#include "tst_timer_test.h" + +int sample_fn(int clk_id, long long usec) +{ + struct timespec t = tst_us_to_timespec(usec); + + TEST(prctl(PR_SET_TIMERSLACK, 200000)); + if (TST_RET != 0) { + tst_res(TFAIL | TTERRNO, + "prctl(), returned %li", TST_RET); + return 1; + } + + tst_timer_start(clk_id); + TEST(nanosleep(&t, NULL)); + tst_timer_stop(); + tst_timer_sample(); + + if (TST_RET != 0) { + tst_res(TFAIL | TTERRNO, + "nanosleep() returned %li", TST_RET); + return 1; + } + + return 0; +} + +static struct tst_test test = { + .scall = "prctl()", + .sample = sample_fn, +}; -- 2.18.1