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90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
/** Unit tests for kernel functions.
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*
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2017, Institute for Automation of Complex Power Systems, EONERC
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* @license GNU General Public License (version 3)
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*
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* VILLASnode
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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#include <criterion/criterion.h>
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#include <villas/kernel/kernel.h>
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#include <villas/utils.h>
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#ifdef __linux__
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/* This test is not portable, but we currently support x86 only */
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Test(kernel, sizes)
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{
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int sz;
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sz = kernel_get_page_size();
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cr_assert_eq(sz, 1 << 12);
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sz = kernel_get_hugepage_size();
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cr_assert(sz == 1 << 22 || sz == 1 << 21);
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sz = kernel_get_cacheline_size();
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cr_assert_eq(sz, 64);
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}
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Test(kernel, hugepages)
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{
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int ret;
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ret = kernel_set_nr_hugepages(25);
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cr_assert_eq(ret, 0);
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ret = kernel_get_nr_hugepages();
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cr_assert_eq(ret, 25);
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ret = kernel_set_nr_hugepages(10);
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cr_assert_eq(ret, 0);
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ret = kernel_get_nr_hugepages();
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cr_assert_eq(ret, 10);
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}
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Test(kernel, version)
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{
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int ret;
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struct version ver;
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ret = kernel_get_version(&ver);
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cr_assert_eq(ret, 0);
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ret = version_cmp(&ver, &(struct version) { 100, 5 });
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cr_assert_lt(ret, 0);
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ret = version_cmp(&ver, &(struct version) { 2, 6 });
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cr_assert_gt(ret, 0);
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}
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Test(kernel, module, .disabled = true)
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{
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int ret;
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ret = kernel_module_loaded("nf_nat");
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cr_assert_eq(ret, 0);
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ret = kernel_module_loaded("does_not_exist");
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cr_assert_neq(ret, 0);
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}
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#endif /* __linux__ */
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