From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- src/VBox/Runtime/testcase/tstRTReqPool.cpp | 158 +++++++++++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100644 src/VBox/Runtime/testcase/tstRTReqPool.cpp (limited to 'src/VBox/Runtime/testcase/tstRTReqPool.cpp') diff --git a/src/VBox/Runtime/testcase/tstRTReqPool.cpp b/src/VBox/Runtime/testcase/tstRTReqPool.cpp new file mode 100644 index 00000000..fdc7f69d --- /dev/null +++ b/src/VBox/Runtime/testcase/tstRTReqPool.cpp @@ -0,0 +1,158 @@ +/* $Id: tstRTReqPool.cpp $ */ +/** @file + * IPRT Testcase - Request Thread Pool. + */ + +/* + * Copyright (C) 2011-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox 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. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include + +#include +#include +#include +#include + + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +static RTTEST g_hTest = NIL_RTTEST; + + +static DECLCALLBACK(int) NopCallback(void) +{ + return VINF_SUCCESS; +} + +static void test1(void) +{ + RTTestISub("Basics"); + RTREQPOOL hPool; + uint32_t cMaxThreads = 10; + RTTESTI_CHECK_RC_RETV(RTReqPoolCreate(cMaxThreads, RT_MS_1SEC, 6, 500, "test1", &hPool), VINF_SUCCESS); + RTTESTI_CHECK(RTReqPoolGetCfgVar(hPool, RTREQPOOLCFGVAR_THREAD_TYPE) == (uint64_t)RTTHREADTYPE_DEFAULT); + RTTESTI_CHECK(RTReqPoolGetCfgVar(hPool, RTREQPOOLCFGVAR_MAX_THREADS) == 10); + RTTESTI_CHECK(RTReqPoolGetCfgVar(hPool, RTREQPOOLCFGVAR_MIN_THREADS) > 1); + RTTESTI_CHECK(RTReqPoolGetCfgVar(hPool, RTREQPOOLCFGVAR_MS_MIN_IDLE) == RT_MS_1SEC); + RTTESTI_CHECK(RTReqPoolGetCfgVar(hPool, RTREQPOOLCFGVAR_MS_IDLE_SLEEP) == RT_MS_1SEC); + RTTESTI_CHECK(RTReqPoolGetCfgVar(hPool, RTREQPOOLCFGVAR_PUSH_BACK_THRESHOLD) == 6); + RTTESTI_CHECK(RTReqPoolGetCfgVar(hPool, RTREQPOOLCFGVAR_PUSH_BACK_MAX_MS) == 500); + RTTESTI_CHECK(RTReqPoolGetCfgVar(hPool, RTREQPOOLCFGVAR_PUSH_BACK_MIN_MS) < 500); + RTTESTI_CHECK(RTReqPoolGetCfgVar(hPool, RTREQPOOLCFGVAR_MAX_FREE_REQUESTS) >= 10); + RTTESTI_CHECK(RTReqPoolGetCfgVar(hPool, RTREQPOOLCFGVAR_MAX_FREE_REQUESTS) < 1024); + + RTTESTI_CHECK(RTReqPoolGetStat(hPool, RTREQPOOLSTAT_REQUESTS_FREE) == 0); + RTTESTI_CHECK(RTReqPoolGetStat(hPool, RTREQPOOLSTAT_THREADS) == 0); + uint32_t const cMinThreads = RTReqPoolGetCfgVar(hPool, RTREQPOOLCFGVAR_MIN_THREADS); + uint32_t const cMaxFreeReqs = RTReqPoolGetCfgVar(hPool, RTREQPOOLCFGVAR_MAX_FREE_REQUESTS); + + PRTREQ hReq; + RTTESTI_CHECK_RC_RETV(RTReqPoolAlloc(hPool, RTREQTYPE_INTERNAL, &hReq), VINF_SUCCESS); + RTTESTI_CHECK(RTReqRetain(hReq) == 2); + RTTESTI_CHECK(RTReqRelease(hReq) == 1); + RTTESTI_CHECK_RC(RTReqGetStatus(hReq), VERR_RT_REQUEST_STATUS_STILL_PENDING); + RTTESTI_CHECK(RTReqRelease(hReq) == 0); + RTTESTI_CHECK(RTReqPoolGetStat(hPool, RTREQPOOLSTAT_REQUESTS_FREE) == 1); + + RTTESTI_CHECK(RTReqPoolGetStat(hPool, RTREQPOOLSTAT_REQUESTS_PROCESSED) == 0); + RTTESTI_CHECK_RC(RTReqPoolCallWait(hPool, (PFNRT)RTThreadSleep, 1, (RTMSINTERVAL)0), VINF_SUCCESS); + RTTESTI_CHECK_RC(RTReqPoolCallWait(hPool, (PFNRT)RTThreadSleep, 1, (RTMSINTERVAL)2), VINF_SUCCESS); + RTTESTI_CHECK_RC(RTReqPoolCallWait(hPool, (PFNRT)RTThreadSleep, 1, (RTMSINTERVAL)3), VINF_SUCCESS); + RTTESTI_CHECK(RTReqPoolGetStat(hPool, RTREQPOOLSTAT_REQUESTS_PROCESSED) > 1); + RTTESTI_CHECK(RTReqPoolGetStat(hPool, RTREQPOOLSTAT_THREADS) == 1); + + /* Use no wait requests to maximize the number of worker threads. */ + RTTestISub("No wait requests"); + for (unsigned i = 0; i < 32; i++) + RTTESTI_CHECK_RC(RTReqPoolCallNoWait(hPool, (PFNRT)RTThreadSleep, 1, (RTMSINTERVAL)100), VINF_SUCCESS); + uint32_t cThreads = RTReqPoolGetStat(hPool, RTREQPOOLSTAT_THREADS); + RTTestIValue("thread-count-1", cThreads, RTTESTUNIT_OCCURRENCES); + RTTESTI_CHECK(cThreads >= cMinThreads); + RTTESTI_CHECK(cThreads <= cMaxThreads); + + /* Check that idle thread shutdown kicks in. This means delaying a bit first. */ + RTTestISub("Idle thread shutdown"); + for (unsigned i = 0; i < 20; i++) + { + RTTESTI_CHECK_RC(RTReqPoolCallNoWait(hPool, (PFNRT)RTThreadSleep, 1, (RTMSINTERVAL)10), VINF_SUCCESS); + RTTESTI_CHECK_RC(RTReqPoolCallNoWait(hPool, (PFNRT)RTThreadSleep, 1, (RTMSINTERVAL)10), VINF_SUCCESS); + RTTESTI_CHECK_RC(RTReqPoolCallWait(hPool, (PFNRT)RTThreadSleep, 1, (RTMSINTERVAL)100), VINF_SUCCESS); + } + RTTESTI_CHECK(RTReqPoolGetStat(hPool, RTREQPOOLSTAT_REQUESTS_FREE) == cMaxFreeReqs || cMaxFreeReqs > 32); + + /* Idle shutdown of worker threads should kick in now. */ + uint32_t cThreads2 = RTReqPoolGetStat(hPool, RTREQPOOLSTAT_THREADS); + RTTestIValue("thread-count-2", cThreads2, RTTESTUNIT_OCCURRENCES); + RTTESTI_CHECK(cThreads2 >= cMinThreads); + RTTESTI_CHECK(cThreads2 < cThreads || cThreads2 <= cMinThreads); + + RTTESTI_CHECK(RTReqPoolRelease(hPool) == 0); +} + + +static void test2(void) +{ + RTTestISub("Simple Benchmark"); + + RTREQPOOL hPool; + RTTESTI_CHECK_RC_RETV(RTReqPoolCreate(10, RT_MS_1SEC, 6, 500, "test1", &hPool), VINF_SUCCESS); + uint64_t NsTsStart = RTTimeNanoTS(); + for (unsigned i = 0; i < 10000; i++) + RTTESTI_CHECK_RC_BREAK(RTReqPoolCallWait(hPool, (PFNRT)NopCallback, 0), VINF_SUCCESS); + uint64_t cNsElapsed = RTTimeNanoTS() - NsTsStart; + RTTestIValue("total time", cNsElapsed, RTTESTUNIT_NS); + RTTestIValue("per call", cNsElapsed / 10000, RTTESTUNIT_NS_PER_CALL); + RTTestIValue("total processing time", RTReqPoolGetStat(hPool, RTREQPOOLSTAT_NS_AVERAGE_REQ_PROCESSING), RTTESTUNIT_NS_PER_CALL); + + RTTESTI_CHECK(RTReqPoolRelease(hPool) == 0); +} + + +int main() +{ + RTEXITCODE rcExit = RTTestInitAndCreate("tstRTReqPool", &g_hTest); + if (rcExit != RTEXITCODE_SUCCESS) + return rcExit; + RTTestBanner(g_hTest); + + test1(); + if (RTTestIErrorCount() == 0) + { + test2(); + } + return RTTestSummaryAndDestroy(g_hTest); +} -- cgit v1.2.3