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Steffen Vogel
eb96afc2ec
- Use C++ style comments - Harmonize indentions - Harmonize comment capitalization Signed-off-by: Steffen Vogel <post@steffenvogel.de>
97 lines
1.8 KiB
C++
97 lines
1.8 KiB
C++
/** Unit tests for kernel functions.
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*
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* @author Steffen Vogel <svogel2@eonerc.rwth-aachen.de>
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* @copyright 2014-2022, Institute for Automation of Complex Power Systems, EONERC
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* @license Apache License 2.0
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*********************************************************************************/
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#include <criterion/criterion.h>
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#include <villas/kernel/kernel.hpp>
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using namespace villas::kernel;
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// cppcheck-suppress unknownMacro
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TestSuite(kernel, .description = "Kernel features");
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#if defined(__x86_64__) || defined(__i386__)
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#define PAGESIZE (1 << 12)
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#define CACHELINESIZE 64
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#if defined(__x86_64__)
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#define HUGEPAGESIZE (1 << 21)
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#elif defined(__i386__)
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#define HUGEPAGESIZE (1 << 22)
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#endif
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#else
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#error "Unsupported architecture"
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#endif
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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 = getPageSize();
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cr_assert_eq(sz, PAGESIZE);
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sz = getHugePageSize();
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cr_assert(sz == HUGEPAGESIZE);
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sz = getCachelineSize();
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cr_assert_eq(sz, CACHELINESIZE);
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}
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#ifdef __linux__
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Test(kernel, hugepages)
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{
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int ret;
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ret = setNrHugepages(25);
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cr_assert_eq(ret, 0);
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ret = getNrHugepages();
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cr_assert_eq(ret, 25);
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ret = setNrHugepages(10);
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cr_assert_eq(ret, 0);
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ret = getNrHugepages();
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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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using villas::utils::Version;
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Version ver = villas::kernel::getVersion();
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Version ver1 = { 100, 5 };
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Version ver2 = { 2, 6 };
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cr_assert_lt(ver, ver1);
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cr_assert_gt(ver, ver2);
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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 = isModuleLoaded("nf_nat");
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cr_assert_eq(ret, 0);
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ret = isModuleLoaded("does_not_exist");
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cr_assert_neq(ret, 0);
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}
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Test(kernel, frequency)
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{
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int ret;
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uint64_t freq;
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ret = get_cpu_frequency(&freq);
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cr_assert_eq(ret, 0);
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// Check for plausability only
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cr_assert(freq > 1e9 && freq < 5e9);
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}
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#endif
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