tstGIP-2.cpp revision c0b6af690ad705bddfa87c643b89770a7a0aaf5a
/* $Id$ */
/** @file
* SUP Testcase - Global Info Page interface (ring 3).
*/
/*
* Copyright (C) 2006-2014 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 <VBox/sup.h>
#include <VBox/err.h>
#include <VBox/param.h>
#include <iprt/asm.h>
#include <iprt/assert.h>
#include <iprt/alloc.h>
#include <iprt/thread.h>
#include <iprt/stream.h>
#include <iprt/string.h>
#include <iprt/initterm.h>
#include <iprt/getopt.h>
int main(int argc, char **argv)
{
RTR3InitExe(argc, &argv, 0);
/*
* Parse args
*/
static const RTGETOPTDEF g_aOptions[] =
{
{ "--iterations", 'i', RTGETOPT_REQ_INT32 },
{ "--hex", 'h', RTGETOPT_REQ_NOTHING },
{ "--decimal", 'd', RTGETOPT_REQ_NOTHING },
{ "--spin", 's', RTGETOPT_REQ_NOTHING }
};
uint32_t cIterations = 40;
bool fHex = true;
bool fSpin = false;
int ch;
RTGETOPTUNION ValueUnion;
RTGETOPTSTATE GetState;
RTGetOptInit(&GetState, argc, argv, g_aOptions, RT_ELEMENTS(g_aOptions), 1, RTGETOPTINIT_FLAGS_NO_STD_OPTS);
while ((ch = RTGetOpt(&GetState, &ValueUnion)))
{
switch (ch)
{
case 'i':
cIterations = ValueUnion.u32;
break;
case 'd':
fHex = false;
break;
case 'h':
fHex = true;
break;
case 's':
fSpin = true;
break;
default:
return RTGetOptPrintError(ch, &ValueUnion);
}
}
/*
* Init
*/
PSUPDRVSESSION pSession = NIL_RTR0PTR;
int rc = SUPR3Init(&pSession);
if (RT_SUCCESS(rc))
{
if (g_pSUPGlobalInfoPage)
{
RTPrintf("tstGIP-2: cCpus=%d u32UpdateHz=%RU32 u32UpdateIntervalNS=%RU32 u64NanoTSLastUpdateHz=%RX64 u32Mode=%d (%s) u32Version=%#x\n",
g_pSUPGlobalInfoPage->cCpus,
g_pSUPGlobalInfoPage->u32UpdateHz,
g_pSUPGlobalInfoPage->u32UpdateIntervalNS,
g_pSUPGlobalInfoPage->u64NanoTSLastUpdateHz,
g_pSUPGlobalInfoPage->u32Mode,
g_pSUPGlobalInfoPage->u32Mode == SUPGIPMODE_SYNC_TSC ? "sync"
: g_pSUPGlobalInfoPage->u32Mode == SUPGIPMODE_ASYNC_TSC ? "async"
: "???",
g_pSUPGlobalInfoPage->u32Version);
RTPrintf(fHex
? "tstGIP-2: it: u64NanoTS delta u64TSC UpIntTSC H TransId CpuHz TSCDelta TSC Interval History...\n"
: "tstGIP-2: it: u64NanoTS delta u64TSC UpIntTSC H TransId CpuHz TSCDelta TSC Interval History...\n");
static SUPGIPCPU s_aaCPUs[2][256];
for (uint32_t i = 0; i < cIterations; i++)
{
/* copy the data */
memcpy(&s_aaCPUs[i & 1][0], &g_pSUPGlobalInfoPage->aCPUs[0], g_pSUPGlobalInfoPage->cCpus * sizeof(g_pSUPGlobalInfoPage->aCPUs[0]));
/* display it & find something to spin on. */
uint32_t u32TransactionId = 0;
uint32_t volatile *pu32TransactionId = NULL;
for (unsigned iCpu = 0; iCpu < g_pSUPGlobalInfoPage->cCpus; iCpu++)
if ( g_pSUPGlobalInfoPage->aCPUs[iCpu].u64CpuHz > 0
&& g_pSUPGlobalInfoPage->aCPUs[iCpu].u64CpuHz != _4G + 1)
{
PSUPGIPCPU pPrevCpu = &s_aaCPUs[!(i & 1)][iCpu];
PSUPGIPCPU pCpu = &s_aaCPUs[i & 1][iCpu];
RTPrintf(fHex
? "tstGIP-2: %4d/%d: %016llx %09llx %016llx %08x %d %08x %15llu %016lld %08x %08x %08x %08x %08x %08x %08x %08x (%d)\n"
: "tstGIP-2: %4d/%d: %016llu %09llu %016llu %010u %d %010u %15llu %016lld %08x %08x %08x %08x %08x %08x %08x %08x (%d)\n",
i, iCpu,
pCpu->u64NanoTS,
i ? pCpu->u64NanoTS - pPrevCpu->u64NanoTS : 0,
pCpu->u64TSC,
pCpu->u32UpdateIntervalTSC,
pCpu->iTSCHistoryHead,
pCpu->u32TransactionId,
pCpu->u64CpuHz,
pCpu->i64TSCDelta,
pCpu->au32TSCHistory[0],
pCpu->au32TSCHistory[1],
pCpu->au32TSCHistory[2],
pCpu->au32TSCHistory[3],
pCpu->au32TSCHistory[4],
pCpu->au32TSCHistory[5],
pCpu->au32TSCHistory[6],
pCpu->au32TSCHistory[7],
pCpu->cErrors);
if (!pu32TransactionId)
{
pu32TransactionId = &g_pSUPGlobalInfoPage->aCPUs[iCpu].u32TransactionId;
u32TransactionId = pCpu->u32TransactionId;
}
}
/* wait a bit / spin */
if (!fSpin)
RTThreadSleep(9);
else
while (u32TransactionId == *pu32TransactionId)
/* nop */;
}
/* Display TSC deltas. */
RTPrintf("tstGIP-2: TSC deltas:\n");
for (unsigned iCpu = 0; iCpu < g_pSUPGlobalInfoPage->cCpus; iCpu++)
RTPrintf("tstGIP-2: %6d: %016lld\n", iCpu, g_pSUPGlobalInfoPage->aCPUs[iCpu].i64TSCDelta);
}
else
{
RTPrintf("tstGIP-2: g_pSUPGlobalInfoPage is NULL\n");
rc = -1;
}
SUPR3Term(false /*fForced*/);
}
else
RTPrintf("tstGIP-2: SUPR3Init failed: %Rrc\n", rc);
return !!rc;
}