1 | /* $Id: VBoxGuestR3LibStat.cpp 28800 2010-04-27 08:22:32Z vboxsync $ */
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2 | /** @file
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3 | * VBoxGuestR3Lib - Ring-3 Support Library for VirtualBox guest additions, Statistics.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2007-2010 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | *
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17 | * The contents of this file may alternatively be used under the terms
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18 | * of the Common Development and Distribution License Version 1.0
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19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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20 | * VirtualBox OSE distribution, in which case the provisions of the
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21 | * CDDL are applicable instead of those of the GPL.
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22 | *
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23 | * You may elect to license modified versions of this file under the
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24 | * terms and conditions of either the GPL or the CDDL or both.
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25 | */
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26 |
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27 |
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28 | /*******************************************************************************
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29 | * Header Files *
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30 | *******************************************************************************/
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31 | #include "VBGLR3Internal.h"
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32 |
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33 |
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34 | /**
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35 | * Query the current statistics update interval.
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36 | *
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37 | * @returns IPRT status code.
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38 | * @param pcMsInterval Update interval in ms (out).
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39 | */
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40 | VBGLR3DECL(int) VbglR3StatQueryInterval(PRTMSINTERVAL pcMsInterval)
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41 | {
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42 | VMMDevGetStatisticsChangeRequest Req;
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43 |
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44 | vmmdevInitRequest(&Req.header, VMMDevReq_GetStatisticsChangeRequest);
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45 | Req.eventAck = VMMDEV_EVENT_STATISTICS_INTERVAL_CHANGE_REQUEST;
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46 | Req.u32StatInterval = 1;
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47 | int rc = vbglR3GRPerform(&Req.header);
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48 | if (RT_SUCCESS(rc))
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49 | {
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50 | *pcMsInterval = Req.u32StatInterval * 1000;
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51 | if (*pcMsInterval / 1000 != Req.u32StatInterval)
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52 | *pcMsInterval = ~(RTMSINTERVAL)0;
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53 | }
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54 | return rc;
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55 | }
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56 |
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57 |
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58 | /**
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59 | * Report guest statistics.
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60 | *
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61 | * @returns IPRT status code.
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62 | * @param pReq Request packet with statistics.
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63 | */
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64 | VBGLR3DECL(int) VbglR3StatReport(VMMDevReportGuestStats *pReq)
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65 | {
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66 | vmmdevInitRequest(&pReq->header, VMMDevReq_ReportGuestStats);
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67 | return vbglR3GRPerform(&pReq->header);
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68 | }
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69 |
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