Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 195 insertions, 0 deletions

diff --git a/src/VBox/ValidationKit/utils/cpu/cpu-numa.cpp b/src/VBox/ValidationKit/utils/cpu/cpu-numa.cpp
new file mode 100644
index 00000000..ed83c34c
--- /dev/null
+++ b/src/VBox/ValidationKit/utils/cpu/cpu-numa.cpp
@@ -0,0 +1,195 @@
+/* $Id: cpu-numa.cpp $ */
+/** @file
+ * numa - NUMA / memory benchmark.
+ */
+
+/*
+ * Copyright (C) 2011-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <iprt/test.h>
+
+#include <iprt/asm.h>
+//#if defined(RT_ARCH_X86) || defined(RT_ARCH_AMD64)
+//# include <iprt/asm-amd64-x86.h>
+//#endif
+#include <iprt/mem.h>
+#include <iprt/mp.h>
+#include <iprt/string.h>
+#include <iprt/thread.h>
+#include <iprt/time.h>
+
+
+/*********************************************************************************************************************************
+*   Global Variables                                                                                                             *
+*********************************************************************************************************************************/
+/** The number of threads to skip when testing. */
+static uint32_t g_cThreadsToSkip = 1;
+
+/**
+ * Gets the next online CPU.
+ *
+ * @returns Next CPU index or RTCPUSET_MAX_CPUS.
+ * @param   iCurCpu             The current CPU (index).
+ */
+static int getNextCpu(unsigned iCurCpu)
+{
+    /* Skip to the next chip. */
+    iCurCpu = (iCurCpu / g_cThreadsToSkip) * g_cThreadsToSkip;
+    iCurCpu += g_cThreadsToSkip;
+
+    /* Skip offline cpus. */
+    while (   iCurCpu < RTCPUSET_MAX_CPUS
+           && !RTMpIsCpuOnline(iCurCpu) )
+        iCurCpu++;
+
+    /* Make sure we're within bounds (in case of bad input). */
+    if (iCurCpu > RTCPUSET_MAX_CPUS)
+        iCurCpu = RTCPUSET_MAX_CPUS;
+    return iCurCpu;
+}
+
+
+static void doTest(RTTEST hTest)
+{
+    NOREF(hTest);
+    uint32_t iAllocCpu = 0;
+    while (iAllocCpu < RTCPUSET_MAX_CPUS)
+    {
+        const uint32_t cbTestSet   = _1M * 32;
+        const uint32_t cIterations = 384;
+
+        /*
+         * Change CPU and allocate a chunk of memory.
+         */
+        RTTESTI_CHECK_RC_OK_RETV(RTThreadSetAffinityToCpu(RTMpCpuIdFromSetIndex(iAllocCpu)));
+
+        void *pvTest = RTMemPageAlloc(cbTestSet); /* may be leaked, who cares */
+        RTTESTI_CHECK_RETV(pvTest != NULL);
+        memset(pvTest, 0xef, cbTestSet);
+
+        /*
+         * Do the tests.
+         */
+        uint32_t iAccessCpu = 0;
+        while (iAccessCpu < RTCPUSET_MAX_CPUS)
+        {
+            RTTESTI_CHECK_RC_OK_RETV(RTThreadSetAffinityToCpu(RTMpCpuIdFromSetIndex(iAccessCpu)));
+
+            /*
+             * The write test.
+             */
+            RTTimeNanoTS(); RTThreadYield();
+            uint64_t u64StartTS = RTTimeNanoTS();
+            for (uint32_t i = 0; i < cIterations; i++)
+            {
+                ASMCompilerBarrier(); /* paranoia */
+                memset(pvTest, i, cbTestSet);
+            }
+            uint64_t const cNsElapsedWrite = RTTimeNanoTS() - u64StartTS;
+            uint64_t cMBPerSec = (uint64_t)(  ((uint64_t)cIterations * cbTestSet) /* bytes */
+                                            / ((long double)cNsElapsedWrite / RT_NS_1SEC_64) /* seconds */
+                                            / _1M /* MB */ );
+            RTTestIValueF(cMBPerSec, RTTESTUNIT_MEGABYTES_PER_SEC, "cpu%02u-mem%02u-write", iAllocCpu, iAccessCpu);
+
+            /*
+             * The read test.
+             */
+            memset(pvTest, 0, cbTestSet);
+            RTTimeNanoTS(); RTThreadYield();
+            u64StartTS = RTTimeNanoTS();
+            for (uint32_t i = 0; i < cIterations; i++)
+            {
+#if 1
+                size_t register u = 0;
+                size_t volatile *puCur = (size_t volatile *)pvTest;
+                size_t volatile *puEnd = puCur + cbTestSet / sizeof(size_t);
+                while (puCur != puEnd)
+                    u += *puCur++;
+#else
+                ASMCompilerBarrier(); /* paranoia */
+                void *pvFound = memchr(pvTest, (i & 127) + 1, cbTestSet);
+                RTTESTI_CHECK(pvFound == NULL);
+#endif
+            }
+            uint64_t const cNsElapsedRead = RTTimeNanoTS() - u64StartTS;
+            cMBPerSec = (uint64_t)(  ((uint64_t)cIterations * cbTestSet) /* bytes */
+                                   / ((long double)cNsElapsedRead / RT_NS_1SEC_64) /* seconds */
+                                   / _1M /* MB */ );
+            RTTestIValueF(cMBPerSec, RTTESTUNIT_MEGABYTES_PER_SEC, "cpu%02u-mem%02u-read", iAllocCpu, iAccessCpu);
+
+            /*
+             * The read/write test.
+             */
+            RTTimeNanoTS(); RTThreadYield();
+            u64StartTS = RTTimeNanoTS();
+            for (uint32_t i = 0; i < cIterations; i++)
+            {
+                ASMCompilerBarrier(); /* paranoia */
+                memcpy(pvTest, (uint8_t *)pvTest + cbTestSet / 2, cbTestSet / 2);
+            }
+            uint64_t const cNsElapsedRW = RTTimeNanoTS() - u64StartTS;
+            cMBPerSec = (uint64_t)(  ((uint64_t)cIterations * cbTestSet) /* bytes */
+                                   / ((long double)cNsElapsedRW / RT_NS_1SEC_64) /* seconds */
+                                   / _1M /* MB */ );
+            RTTestIValueF(cMBPerSec, RTTESTUNIT_MEGABYTES_PER_SEC, "cpu%02u-mem%02u-read-write", iAllocCpu, iAccessCpu);
+
+            /*
+             * Total time.
+             */
+            RTTestIValueF(cNsElapsedRead + cNsElapsedWrite + cNsElapsedRW, RTTESTUNIT_NS,
+                          "cpu%02u-mem%02u-time", iAllocCpu, iAccessCpu);
+
+            /* advance */
+            iAccessCpu = getNextCpu(iAccessCpu);
+        }
+
+        /*
+         * Clean up and advance to the next CPU.
+         */
+        RTMemPageFree(pvTest, cbTestSet);
+        iAllocCpu = getNextCpu(iAllocCpu);
+    }
+}
+
+
+int main(int argc, char **argv)
+{
+    RTTEST hTest;
+    RTEXITCODE rcExit = RTTestInitAndCreate("numa-1", &hTest);
+    if (rcExit != RTEXITCODE_SUCCESS)
+        return rcExit;
+    RTTestBanner(hTest);
+
+#if defined(RT_ARCH_X86) || defined(RT_ARCH_AMD64)
+    /** @todo figure basic topology. */
+#endif
+    if (argc == 2)
+        g_cThreadsToSkip = RTStrToUInt8(argv[1]);
+
+    doTest(hTest);
+
+    return RTTestSummaryAndDestroy(hTest);
+}
+