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57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/*
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* PROJECT: ReactOS kernel-mode tests
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* LICENSE: LGPLv2+ - See COPYING.LIB in the top level directory
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* PURPOSE: Kernel-Mode Test Suite Executive Regressions KM-Test
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* PROGRAMMER: Aleksey Bragin <aleksey@reactos.org>
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*/
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/* TODO: this test doesn't process any test results; it also takes very long */
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#include <kmt_test.h>
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#define NDEBUG
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#include <debug.h>
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static VOID KeStallExecutionProcessorTest(VOID)
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{
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ULONG i;
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LARGE_INTEGER TimeStart, TimeFinish;
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DPRINT1("Waiting for 30 secs with 50us stalls...\n");
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KeQuerySystemTime(&TimeStart);
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for (i = 0; i < (30*1000*20); i++)
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{
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KeStallExecutionProcessor(50);
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}
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KeQuerySystemTime(&TimeFinish);
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DPRINT1("Time elapsed: %d secs\n", (TimeFinish.QuadPart - TimeStart.QuadPart) / 10000000); // 30
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DPRINT1("Waiting for 30 secs with 1000us stalls...\n");
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KeQuerySystemTime(&TimeStart);
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for (i = 0; i < (30*1000); i++)
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{
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KeStallExecutionProcessor(1000);
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}
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KeQuerySystemTime(&TimeFinish);
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DPRINT1("Time elapsed: %d secs\n", (TimeFinish.QuadPart - TimeStart.QuadPart) / 10000000); // 30
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DPRINT1("Waiting for 30 secs with 1us stalls...\n");
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KeQuerySystemTime(&TimeStart);
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for (i = 0; i < (30*1000*1000); i++)
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{
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KeStallExecutionProcessor(1);
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}
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KeQuerySystemTime(&TimeFinish);
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DPRINT1("Time elapsed: %d secs\n", (TimeFinish.QuadPart - TimeStart.QuadPart) / 10000000); // 43
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DPRINT1("Waiting for 30 secs with one huge stall...\n");
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KeQuerySystemTime(&TimeStart);
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KeStallExecutionProcessor(30*1000000);
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KeQuerySystemTime(&TimeFinish);
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DPRINT1("Time elapsed: %d secs\n", (TimeFinish.QuadPart - TimeStart.QuadPart) / 10000000); // 30
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}
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START_TEST(KeProcessor)
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{
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KeStallExecutionProcessorTest();
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} |