/* $Id: STAM.cpp 552 2007-02-02 14:06:32Z vboxsync $ */ /** @file * STAM - The Statistics Manager. */ /* * Copyright (C) 2006 InnoTek Systemberatung GmbH * * 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 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. * * If you received this file as part of a commercial VirtualBox * distribution, then only the terms of your commercial VirtualBox * license agreement apply instead of the previous paragraph. */ /******************************************************************************* * Header Files * *******************************************************************************/ #define LOG_GROUP LOG_GROUP_STAM #include #include "STAMInternal.h" #include #include #include #include #include #include #include #include #include /******************************************************************************* * Structures and Typedefs * *******************************************************************************/ /** * Argument structure for stamR3PrintOne(). */ typedef struct STAMR3PRINTONEARGS { PVM pVM; void *pvArg; DECLCALLBACKMEMBER(void, pfnPrintf)(struct STAMR3PRINTONEARGS *pvArg, const char *pszFormat, ...); } STAMR3PRINTONEARGS, *PSTAMR3PRINTONEARGS; /** * Argument structure to stamR3EnumOne(). */ typedef struct STAMR3ENUMONEARGS { PVM pVM; PFNSTAMR3ENUM pfnEnum; void *pvUser; } STAMR3ENUMONEARGS, *PSTAMR3ENUMONEARGS; /******************************************************************************* * Internal Functions * *******************************************************************************/ static int stamR3Register(PVM pVM, void *pvSample, PFNSTAMR3CALLBACKRESET pfnReset, PFNSTAMR3CALLBACKPRINT pfnPrint, STAMTYPE enmType, STAMVISIBILITY enmVisibility, const char *pszName, STAMUNIT enmUnit, const char *pszDesc); static int stamR3ResetOne(PSTAMDESC pDesc, void *pvArg); static DECLCALLBACK(void) stamR3EnumLogPrintf(PSTAMR3PRINTONEARGS pvArg, const char *pszFormat, ...); static DECLCALLBACK(void) stamR3EnumRelLogPrintf(PSTAMR3PRINTONEARGS pvArg, const char *pszFormat, ...); static DECLCALLBACK(void) stamR3EnumPrintf(PSTAMR3PRINTONEARGS pvArg, const char *pszFormat, ...); static int stamR3PrintOne(PSTAMDESC pDesc, void *pvArg); static int stamR3EnumOne(PSTAMDESC pDesc, void *pvArg); static int stamR3Enum(PVM pVM, const char *pszPat, int (pfnCallback)(PSTAMDESC pDesc, void *pvArg), void *pvArg); #ifdef VBOX_WITH_DEBUGGER static DECLCALLBACK(int) stamR3CmdStats(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult); static DECLCALLBACK(void) stamR3EnumDbgfPrintf(PSTAMR3PRINTONEARGS pArgs, const char *pszFormat, ...); static DECLCALLBACK(int) stamR3CmdStatsReset(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult); #endif /******************************************************************************* * Global Variables * *******************************************************************************/ #ifdef VBOX_WITH_DEBUGGER /** Pattern argument. */ static const DBGCVARDESC g_aArgPat[] = { /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */ { 0, 1, DBGCVAR_CAT_STRING, 0, "pattern", "Which samples the command shall be applied to. Use '*' as wildcard. Use ';' to separate expression." } }; /** Command descriptors. */ static const DBGCCMD g_aCmds[] = { /* pszCmd, cArgsMin, cArgsMax, paArgDesc, cArgDescs, pResultDesc, fFlags, pfnHandler pszSyntax, ....pszDescription */ { "stats", 0, 1, &g_aArgPat[0], ELEMENTS(g_aArgPat), NULL, 0, stamR3CmdStats, "[pattern]", "Display statistics." }, { "statsreset", 0, 1, &g_aArgPat[0], ELEMENTS(g_aArgPat), NULL, 0, stamR3CmdStatsReset,"[pattern]", "Resets statistics." } }; #endif /** * Initializes the STAM. * * @returns VBox status code. * @param pVM The VM to operate on. */ STAMR3DECL(int) STAMR3Init(PVM pVM) { LogFlow(("STAMR3Init\n")); /* * Assert alignment and sizes. */ AssertRelease(!(RT_OFFSETOF(VM, stam.s) & 31)); AssertRelease(sizeof(pVM->stam.s) <= sizeof(pVM->stam.padding)); /* * Setup any fixed pointers and offsets. */ pVM->stam.s.offVM = RT_OFFSETOF(VM, stam); int rc = RTSemRWCreate(&pVM->stam.s.RWSem); AssertRC(rc); if (VBOX_FAILURE(rc)) return rc; #ifdef VBOX_WITH_DEBUGGER /* * Register debugger commands. */ static bool fRegisteredCmds = false; if (!fRegisteredCmds) { int rc = DBGCRegisterCommands(&g_aCmds[0], ELEMENTS(g_aCmds)); if (VBOX_SUCCESS(rc)) fRegisteredCmds = true; } #endif return VINF_SUCCESS; } /** * Applies relocations to data and code managed by this * component. This function will be called at init and * whenever the VMM need to relocate it self inside the GC. * * @param pVM The VM. */ STAMR3DECL(void) STAMR3Relocate(PVM pVM) { LogFlow(("STAMR3Relocate\n")); NOREF(pVM); } /** * Terminates the STAM. * * Termination means cleaning up and freeing all resources, * the VM it self is at this point powered off or suspended. * * @returns VBox status code. * @param pVM The VM to operate on. */ STAMR3DECL(int) STAMR3Term(PVM pVM) { /* * Free used memory and RWLock. */ PSTAMDESC pCur = pVM->stam.s.pHead; while (pCur) { void *pvFree = pCur; pCur = pCur->pNext; RTMemFree(pvFree); } RTSemRWDestroy(pVM->stam.s.RWSem); return VINF_SUCCESS; } /** * Registers a sample with the statistics mamanger. * * Statistics are maintained on a per VM basis and should therefore * be registered during the VM init stage. However, there is not problem * registering temporary samples or samples for hotpluggable devices. Samples * can be deregisterd using the STAMR3Deregister() function, but note that * this is only necessary for temporary samples or hotpluggable devices. * * It is not possible to register the same sample twice. * * @returns VBox status. * @param pVM The VM handle. * @param pvSample Pointer to the sample. * @param enmType Sample type. This indicates what pvSample is pointing at. * @param enmVisibility Visibility type specifying whether unused statistics should be visible or not. * @param pszName Sample name. The name is on this form "//". * Further nesting is possible. * @param enmUnit Sample unit. * @param pszDesc Sample description. */ STAMR3DECL(int) STAMR3Register(PVM pVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, const char *pszName, STAMUNIT enmUnit, const char *pszDesc) { AssertReturn(enmType != STAMTYPE_CALLBACK, VERR_INVALID_PARAMETER); return stamR3Register(pVM, pvSample, NULL, NULL, enmType, enmVisibility, pszName, enmUnit, pszDesc); } /** * Same as STAMR3Register except that the name is specified in a * RTStrPrintf like fashion. * * @returns VBox status. * @param pVM The VM handle. * @param pvSample Pointer to the sample. * @param enmType Sample type. This indicates what pvSample is pointing at. * @param enmVisibility Visibility type specifying whether unused statistics should be visible or not. * @param enmUnit Sample unit. * @param pszDesc Sample description. * @param pszName The sample name format string. * @param ... Arguments to the format string. */ STAMR3DECL(int) STAMR3RegisterF(PVM pVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit, const char *pszDesc, const char *pszName, ...) { va_list args; va_start(args, pszName); int rc = STAMR3RegisterV(pVM, pvSample, enmType, enmVisibility, enmUnit, pszDesc, pszName, args); va_end(args); return rc; } /** * Same as STAMR3Register except that the name is specified in a * RTStrPrintfV like fashion. * * @returns VBox status. * @param pVM The VM handle. * @param pvSample Pointer to the sample. * @param enmType Sample type. This indicates what pvSample is pointing at. * @param enmVisibility Visibility type specifying whether unused statistics should be visible or not. * @param enmUnit Sample unit. * @param pszDesc Sample description. * @param pszName The sample name format string. * @param args Arguments to the format string. */ STAMR3DECL(int) STAMR3RegisterV(PVM pVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit, const char *pszDesc, const char *pszName, va_list args) { AssertReturn(enmType != STAMTYPE_CALLBACK, VERR_INVALID_PARAMETER); char *pszFormattedName; RTStrAPrintfV(&pszFormattedName, pszName, args); if (!pszFormattedName) return VERR_NO_MEMORY; int rc = STAMR3Register(pVM, pvSample, enmType, enmVisibility, pszFormattedName, enmUnit, pszDesc); RTStrFree(pszFormattedName); return rc; } /** * Similar to STAMR3Register except for the two callbacks, the implied type (STAMTYPE_CALLBACK), * and name given in an RTStrPrintf like fashion. * * @returns VBox status. * @param pVM The VM handle. * @param pvSample Pointer to the sample. * @param enmVisibility Visibility type specifying whether unused statistics should be visible or not. * @param enmUnit Sample unit. * @param pfnReset Callback for resetting the sample. NULL should be used if the sample can't be reset. * @param pfnPrint Print the sample. * @param pszDesc Sample description. * @param pszName The sample name format string. * @param ... Arguments to the format string. * @remark There is currently no device or driver variant of this API. Add one if it should become necessary! */ STAMR3DECL(int) STAMR3RegisterCallback(PVM pVM, void *pvSample, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit, PFNSTAMR3CALLBACKRESET pfnReset, PFNSTAMR3CALLBACKPRINT pfnPrint, const char *pszDesc, const char *pszName, ...) { va_list args; va_start(args, pszName); int rc = STAMR3RegisterCallbackV(pVM, pvSample, enmVisibility, enmUnit, pfnReset, pfnPrint, pszDesc, pszName, args); va_end(args); return rc; } /** * Same as STAMR3RegisterCallback() except for the ellipsis which is a va_list here. * * @returns VBox status. * @param pVM The VM handle. * @param pvSample Pointer to the sample. * @param enmVisibility Visibility type specifying whether unused statistics should be visible or not. * @param enmUnit Sample unit. * @param pfnReset Callback for resetting the sample. NULL should be used if the sample can't be reset. * @param pfnPrint Print the sample. * @param pszDesc Sample description. * @param pszName The sample name format string. * @param args Arguments to the format string. * @remark There is currently no device or driver variant of this API. Add one if it should become necessary! */ STAMR3DECL(int) STAMR3RegisterCallbackV(PVM pVM, void *pvSample, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit, PFNSTAMR3CALLBACKRESET pfnReset, PFNSTAMR3CALLBACKPRINT pfnPrint, const char *pszDesc, const char *pszName, va_list args) { char *pszFormattedName; RTStrAPrintfV(&pszFormattedName, pszName, args); if (!pszFormattedName) return VERR_NO_MEMORY; int rc = stamR3Register(pVM, pvSample, pfnReset, pfnPrint, STAMTYPE_CALLBACK, enmVisibility, pszFormattedName, enmUnit, pszDesc); RTStrFree(pszFormattedName); return rc; } /** * Internal worker for the different register calls. * * @returns VBox status. * @param pVM The VM handle. * @param pvSample Pointer to the sample. * @param pfnReset Callback for resetting the sample. NULL should be used if the sample can't be reset. * @param pfnPrint Print the sample. * @param enmType Sample type. This indicates what pvSample is pointing at. * @param enmVisibility Visibility type specifying whether unused statistics should be visible or not. * @param enmUnit Sample unit. * @param pszDesc Sample description. * @param pszName The sample name format string. * @param args Arguments to the format string. * @remark There is currently no device or driver variant of this API. Add one if it should become necessary! */ static int stamR3Register(PVM pVM, void *pvSample, PFNSTAMR3CALLBACKRESET pfnReset, PFNSTAMR3CALLBACKPRINT pfnPrint, STAMTYPE enmType, STAMVISIBILITY enmVisibility, const char *pszName, STAMUNIT enmUnit, const char *pszDesc) { STAM_LOCK_WR(pVM); /* * Check if exists. */ PSTAMDESC pPrev = NULL; PSTAMDESC pCur = pVM->stam.s.pHead; while (pCur) { int iDiff = strcmp(pCur->pszName, pszName); /* passed it */ if (iDiff > 0) break; /* found it. */ if (!iDiff) { STAM_UNLOCK_WR(pVM); AssertMsgFailed(("Duplicate sample name: %s\n", pszName)); return VERR_ALREADY_EXISTS; } /* next */ pPrev = pCur; pCur = pCur->pNext; } /* * Create a new node and insert it at the current location. */ int rc; int cchName = strlen(pszName) + 1; int cchDesc = pszDesc ? strlen(pszDesc) + 1 : 0; PSTAMDESC pNew = (PSTAMDESC)RTMemAlloc(sizeof(*pNew) + cchName + cchDesc); if (pNew) { pNew->pszName = (char *)memcpy((char *)(pNew + 1), pszName, cchName); pNew->enmType = enmType; pNew->enmVisibility = enmVisibility; if (enmType != STAMTYPE_CALLBACK) pNew->u.pv = pvSample; else { pNew->u.Callback.pvSample = pvSample; pNew->u.Callback.pfnReset = pfnReset; pNew->u.Callback.pfnPrint = pfnPrint; } pNew->enmUnit = enmUnit; pNew->pszDesc = NULL; if (pszDesc) pNew->pszDesc = (char *)memcpy((char *)(pNew + 1) + cchName, pszDesc, cchDesc); pNew->pNext = pCur; if (pPrev) pPrev->pNext = pNew; else pVM->stam.s.pHead = pNew; stamR3ResetOne(pNew, pVM); rc = VINF_SUCCESS; } else rc = VERR_NO_MEMORY; STAM_UNLOCK_WR(pVM); return rc; } /** * Deregisters a sample previously registered by STAR3Register(). * * This is intended used for devices which can be unplugged and for * temporary samples. * * @returns VBox status. * @param pVM The VM handle. * @param pvSample Pointer to the sample registered with STAMR3Register(). */ STAMR3DECL(int) STAMR3Deregister(PVM pVM, void *pvSample) { STAM_LOCK_WR(pVM); /* * Search for it. */ int rc = VERR_INVALID_HANDLE; PSTAMDESC pPrev = NULL; PSTAMDESC pCur = pVM->stam.s.pHead; while (pCur) { if (pCur->u.pv == pvSample) { void *pvFree = pCur; pCur = pCur->pNext; if (pPrev) pPrev->pNext = pCur; else pVM->stam.s.pHead = pCur; RTMemFree(pvFree); rc = VINF_SUCCESS; continue; } /* next */ pPrev = pCur; pCur = pCur->pNext; } STAM_UNLOCK_WR(pVM); return rc; } /** * Resets statistics for the specified VM. * It's possible to select a subset of the samples. * * @returns VBox status. (Basically, it cannot fail.) * @param pVM The VM handle. * @param pszPat The name matching pattern. See somewhere_where_this_is_described_in_detail. * If NULL all samples are reset. */ STAMR3DECL(int) STAMR3Reset(PVM pVM, const char *pszPat) { STAM_LOCK_WR(pVM); stamR3Enum(pVM, pszPat, stamR3ResetOne, pVM); STAM_UNLOCK_WR(pVM); return VINF_SUCCESS; } /** * Resets one statistics sample. * Callback for stamR3Enum(). * * @returns VINF_SUCCESS * @param pDesc Pointer to the current descriptor. * @param pvArg User argument - The VM handle. */ static int stamR3ResetOne(PSTAMDESC pDesc, void *pvArg) { switch (pDesc->enmType) { case STAMTYPE_COUNTER: ASMAtomicXchgU64(&pDesc->u.pCounter->c, 0); break; case STAMTYPE_PROFILE: case STAMTYPE_PROFILE_ADV: ASMAtomicXchgU64(&pDesc->u.pProfile->cPeriods, 0); ASMAtomicXchgU64(&pDesc->u.pProfile->cTicks, 0); ASMAtomicXchgU64(&pDesc->u.pProfile->cTicksMax, 0); ASMAtomicXchgU64(&pDesc->u.pProfile->cTicksMin, ~0); break; case STAMTYPE_RATIO_U32_RESET: ASMAtomicXchgU32(&pDesc->u.pRatioU32->u32A, 0); ASMAtomicXchgU32(&pDesc->u.pRatioU32->u32B, 0); break; case STAMTYPE_CALLBACK: if (pDesc->u.Callback.pfnReset) pDesc->u.Callback.pfnReset((PVM)pvArg, pDesc->u.Callback.pvSample); break; case STAMTYPE_U8_RESET: case STAMTYPE_X8_RESET: ASMAtomicXchgU8(pDesc->u.pu8, 0); break; case STAMTYPE_U16_RESET: case STAMTYPE_X16_RESET: ASMAtomicXchgU16(pDesc->u.pu16, 0); break; case STAMTYPE_U32_RESET: case STAMTYPE_X32_RESET: ASMAtomicXchgU32(pDesc->u.pu32, 0); break; case STAMTYPE_U64_RESET: case STAMTYPE_X64_RESET: ASMAtomicXchgU64(pDesc->u.pu64, 0); break; /* These are custom and will not be touched. */ case STAMTYPE_U8: case STAMTYPE_X8: case STAMTYPE_U16: case STAMTYPE_X16: case STAMTYPE_U32: case STAMTYPE_X32: case STAMTYPE_U64: case STAMTYPE_X64: case STAMTYPE_RATIO_U32: break; default: AssertMsgFailed(("enmType=%d\n", pDesc->enmType)); break; } NOREF(pvArg); return VINF_SUCCESS; } /** * Get a snapshot of the statistics. * It's possible to select a subset of the samples. * * @returns VBox status. (Basically, it cannot fail.) * @param pVM The VM handle. * @param pszPat The name matching pattern. See somewhere_where_this_is_described_in_detail. * If NULL all samples are reset. * @param ppszSnapshot Where to store the pointer to the snapshot data. * The format of the snapshot should be XML, but that will have to be discussed * when this function is implemented. * The returned pointer must be freed by calling STAMR3SnapshotFree(). * @param pcchSnapshot Where to store the size of the snapshot data. (Excluding the trailing '\0') */ STAMR3DECL(int) STAMR3Snapshot(PVM pVM, const char *pszPat, char **ppszSnapshot, size_t *pcchSnapshot) { AssertMsgFailed(("not implemented yet\n")); return VERR_NOT_IMPLEMENTED; } /** * Releases a statistics snapshot returned by STAMR3Snapshot(). * * @returns VBox status. * @param pVM The VM handle. * @param pszSnapshot The snapshot data pointer returned by STAMR3Snapshot(). * NULL is allowed. */ STAMR3DECL(int) STAMR3SnapshotFree(PVM pVM, char *pszSnapshot) { if (!pszSnapshot) RTMemFree(pszSnapshot); return VINF_SUCCESS; } /** * Dumps the selected statistics to the log. * * @returns VBox status. * @param pVM The VM handle. * @param pszPat The name matching pattern. See somewhere_where_this_is_described_in_detail. * If NULL all samples are written to the log. */ STAMR3DECL(int) STAMR3Dump(PVM pVM, const char *pszPat) { STAMR3PRINTONEARGS Args; Args.pVM = pVM; Args.pvArg = NULL; Args.pfnPrintf = stamR3EnumLogPrintf; STAM_LOCK_RD(pVM); stamR3Enum(pVM, pszPat, stamR3PrintOne, &Args); STAM_UNLOCK_RD(pVM); return VINF_SUCCESS; } /** * Prints to the log. * * @param pArgs Pointer to the print one argument structure. * @param pszFormat Format string. * @param ... Format arguments. */ static DECLCALLBACK(void) stamR3EnumLogPrintf(PSTAMR3PRINTONEARGS pArgs, const char *pszFormat, ...) { va_list va; va_start(va, pszFormat); RTLogPrintfV(pszFormat, va); va_end(va); NOREF(pArgs); } /** * Dumps the selected statistics to the release log. * * @returns VBox status. * @param pVM The VM handle. * @param pszPat The name matching pattern. See somewhere_where_this_is_described_in_detail. * If NULL all samples are written to the log. */ STAMR3DECL(int) STAMR3DumpToReleaseLog(PVM pVM, const char *pszPat) { STAMR3PRINTONEARGS Args; Args.pVM = pVM; Args.pvArg = NULL; Args.pfnPrintf = stamR3EnumRelLogPrintf; STAM_LOCK_RD(pVM); stamR3Enum(pVM, pszPat, stamR3PrintOne, &Args); STAM_UNLOCK_RD(pVM); return VINF_SUCCESS; } /** * Prints to the release log. * * @param pArgs Pointer to the print one argument structure. * @param pszFormat Format string. * @param ... Format arguments. */ static DECLCALLBACK(void) stamR3EnumRelLogPrintf(PSTAMR3PRINTONEARGS pArgs, const char *pszFormat, ...) { va_list va; va_start(va, pszFormat); RTLogRelPrintfV(pszFormat, va); va_end(va); NOREF(pArgs); } /** * Prints the selected statistics to standard out. * * @returns VBox status. * @param pVM The VM handle. * @param pszPat The name matching pattern. See somewhere_where_this_is_described_in_detail. * If NULL all samples are reset. */ STAMR3DECL(int) STAMR3Print(PVM pVM, const char *pszPat) { STAMR3PRINTONEARGS Args; Args.pVM = pVM; Args.pvArg = NULL; Args.pfnPrintf = stamR3EnumPrintf; STAM_LOCK_RD(pVM); stamR3Enum(pVM, pszPat, stamR3PrintOne, &Args); STAM_UNLOCK_RD(pVM); return VINF_SUCCESS; } /** * Prints to stdout. * * @param pArgs Pointer to the print one argument structure. * @param pszFormat Format string. * @param ... Format arguments. */ static DECLCALLBACK(void) stamR3EnumPrintf(PSTAMR3PRINTONEARGS pArgs, const char *pszFormat, ...) { va_list va; va_start(va, pszFormat); RTPrintfV(pszFormat, va); va_end(va); NOREF(pArgs); } /** * Prints one sample. * Callback for stamR3Enum(). * * @returns VINF_SUCCESS * @param pDesc Pointer to the current descriptor. * @param pvArg User argument - STAMR3PRINTONEARGS. */ static int stamR3PrintOne(PSTAMDESC pDesc, void *pvArg) { PSTAMR3PRINTONEARGS pArgs = (PSTAMR3PRINTONEARGS)pvArg; switch (pDesc->enmType) { case STAMTYPE_COUNTER: if (pDesc->enmVisibility == STAMVISIBILITY_USED && pDesc->u.pCounter->c == 0) return VINF_SUCCESS; pArgs->pfnPrintf(pArgs, "%-32s %8llu %s\n", pDesc->pszName, pDesc->u.pCounter->c, STAMR3GetUnit(pDesc->enmUnit)); break; case STAMTYPE_PROFILE: case STAMTYPE_PROFILE_ADV: { if (pDesc->enmVisibility == STAMVISIBILITY_USED && pDesc->u.pProfile->cPeriods == 0) return VINF_SUCCESS; uint64_t u64 = pDesc->u.pProfile->cPeriods ? pDesc->u.pProfile->cPeriods : 1; pArgs->pfnPrintf(pArgs, "%-32s %8llu %s (%12llu ticks, %7llu times, max %9llu, min %7lld)\n", pDesc->pszName, pDesc->u.pProfile->cTicks / u64, STAMR3GetUnit(pDesc->enmUnit), pDesc->u.pProfile->cTicks, pDesc->u.pProfile->cPeriods, pDesc->u.pProfile->cTicksMax, pDesc->u.pProfile->cTicksMin); break; } case STAMTYPE_RATIO_U32: case STAMTYPE_RATIO_U32_RESET: if (pDesc->enmVisibility == STAMVISIBILITY_USED && !pDesc->u.pRatioU32->u32A && !pDesc->u.pRatioU32->u32B) return VINF_SUCCESS; pArgs->pfnPrintf(pArgs, "%-32s %8u:%-8u %s\n", pDesc->pszName, pDesc->u.pRatioU32->u32A, pDesc->u.pRatioU32->u32B, STAMR3GetUnit(pDesc->enmUnit)); break; case STAMTYPE_CALLBACK: { char szBuf[512]; pDesc->u.Callback.pfnPrint(pArgs->pVM, pDesc->u.Callback.pvSample, szBuf, sizeof(szBuf)); pArgs->pfnPrintf(pArgs, "%-32s %s %s\n", pDesc->pszName, szBuf, STAMR3GetUnit(pDesc->enmUnit)); break; } case STAMTYPE_U8: case STAMTYPE_U8_RESET: if (pDesc->enmVisibility == STAMVISIBILITY_USED && *pDesc->u.pu8 == 0) return VINF_SUCCESS; pArgs->pfnPrintf(pArgs, "%-32s %8u %s\n", pDesc->pszName, *pDesc->u.pu8, STAMR3GetUnit(pDesc->enmUnit)); break; case STAMTYPE_X8: case STAMTYPE_X8_RESET: if (pDesc->enmVisibility == STAMVISIBILITY_USED && *pDesc->u.pu8 == 0) return VINF_SUCCESS; pArgs->pfnPrintf(pArgs, "%-32s %8x %s\n", pDesc->pszName, *pDesc->u.pu8, STAMR3GetUnit(pDesc->enmUnit)); break; case STAMTYPE_U16: case STAMTYPE_U16_RESET: if (pDesc->enmVisibility == STAMVISIBILITY_USED && *pDesc->u.pu16 == 0) return VINF_SUCCESS; pArgs->pfnPrintf(pArgs, "%-32s %8u %s\n", pDesc->pszName, *pDesc->u.pu16, STAMR3GetUnit(pDesc->enmUnit)); break; case STAMTYPE_X16: case STAMTYPE_X16_RESET: if (pDesc->enmVisibility == STAMVISIBILITY_USED && *pDesc->u.pu16 == 0) return VINF_SUCCESS; pArgs->pfnPrintf(pArgs, "%-32s %8x %s\n", pDesc->pszName, *pDesc->u.pu16, STAMR3GetUnit(pDesc->enmUnit)); break; case STAMTYPE_U32: case STAMTYPE_U32_RESET: if (pDesc->enmVisibility == STAMVISIBILITY_USED && *pDesc->u.pu32 == 0) return VINF_SUCCESS; pArgs->pfnPrintf(pArgs, "%-32s %8u %s\n", pDesc->pszName, *pDesc->u.pu32, STAMR3GetUnit(pDesc->enmUnit)); break; case STAMTYPE_X32: case STAMTYPE_X32_RESET: if (pDesc->enmVisibility == STAMVISIBILITY_USED && *pDesc->u.pu32 == 0) return VINF_SUCCESS; pArgs->pfnPrintf(pArgs, "%-32s %8x %s\n", pDesc->pszName, *pDesc->u.pu32, STAMR3GetUnit(pDesc->enmUnit)); break; case STAMTYPE_U64: case STAMTYPE_U64_RESET: if (pDesc->enmVisibility == STAMVISIBILITY_USED && *pDesc->u.pu64 == 0) return VINF_SUCCESS; pArgs->pfnPrintf(pArgs, "%-32s %8llu %s\n", pDesc->pszName, *pDesc->u.pu64, STAMR3GetUnit(pDesc->enmUnit)); break; case STAMTYPE_X64: case STAMTYPE_X64_RESET: if (pDesc->enmVisibility == STAMVISIBILITY_USED && *pDesc->u.pu64 == 0) return VINF_SUCCESS; pArgs->pfnPrintf(pArgs, "%-32s %8llx %s\n", pDesc->pszName, *pDesc->u.pu64, STAMR3GetUnit(pDesc->enmUnit)); break; default: AssertMsgFailed(("enmType=%d\n", pDesc->enmType)); break; } NOREF(pvArg); return VINF_SUCCESS; } /** * Enumerate the statistics by the means of a callback function. * * @returns Whatever the callback returns. * * @param pVM The VM handle. * @param pszPat The pattern to match samples. * @param pfnEnum The callback function. * @param pvUser The pvUser argument of the callback function. */ STAMR3DECL(int) STAMR3Enum(PVM pVM, const char *pszPat, PFNSTAMR3ENUM pfnEnum, void *pvUser) { STAMR3ENUMONEARGS Args; Args.pVM = pVM; Args.pfnEnum = pfnEnum; Args.pvUser = pvUser; STAM_LOCK_RD(pVM); int rc = stamR3Enum(pVM, pszPat, stamR3EnumOne, &Args); STAM_UNLOCK_RD(pVM); return rc; } /** * Callback function for STARTR3Enum(). * * @returns whatever the callback returns. * @param pDesc Pointer to the current descriptor. * @param pvArg Points to a STAMR3ENUMONEARGS structure. */ static int stamR3EnumOne(PSTAMDESC pDesc, void *pvArg) { PSTAMR3ENUMONEARGS pArgs = (PSTAMR3ENUMONEARGS)pvArg; int rc; if (pDesc->enmType == STAMTYPE_CALLBACK) { /* Give the enumerator something useful. */ char szBuf[512]; pDesc->u.Callback.pfnPrint(pArgs->pVM, pDesc->u.Callback.pvSample, szBuf, sizeof(szBuf)); rc = pArgs->pfnEnum(pDesc->pszName, pDesc->enmType, szBuf, pDesc->enmUnit, pDesc->enmVisibility, pDesc->pszDesc, pArgs->pvUser); } else rc = pArgs->pfnEnum(pDesc->pszName, pDesc->enmType, pDesc->u.pv, pDesc->enmUnit, pDesc->enmVisibility, pDesc->pszDesc, pArgs->pvUser); return rc; } /** * Matches a sample name against a pattern. * * @returns True if matches, false if not. * @param pszPat Pattern. * @param pszName Name to match against the pattern. */ static bool stamr3Match(const char *pszPat, const char *pszName) { if (!pszPat) return true; /* ASSUMES ASCII */ for (;;) { char chPat = *pszPat; switch (chPat) { case '\0': return !*pszName; case '*': { while ((chPat = *++pszPat) == '*' || chPat == '?') /* nothing */; for (;;) { char ch = *pszName++; if ( ch == chPat && ( !chPat || stamr3Match(pszPat + 1, pszName))) return true; if (!ch) return false; } /* won't ever get here */ break; } case '?': if (!*pszName) return false; break; default: if (*pszName != chPat) return false; break; } pszName++; pszPat++; } return true; } /** * Enumerates the nodes selected by a pattern or all nodes if no pattern * is specified. * * The call must own at least a read lock to the STAM data. * * @returns The rc from the callback. * @param pVM VM handle * @param pszPat Pattern. * @param pfnCallback Callback function which shall be called for matching nodes. * If it returns anything but VINF_SUCCESS the enumeration is * terminated and the status code returned to the caller. * @param pvArg User parameter for the callback. */ static int stamR3Enum(PVM pVM, const char *pszPat, int (*pfnCallback)(PSTAMDESC pDesc, void *pvArg), void *pvArg) { /* * Search for it. */ int rc = VINF_SUCCESS; PSTAMDESC pCur = pVM->stam.s.pHead; while (pCur) { if (stamr3Match(pszPat, pCur->pszName)) { rc = pfnCallback(pCur, pvArg); if (rc) break; } /* next */ pCur = pCur->pNext; } return rc; } /** * Get the unit string. * * @returns Pointer to read only unit string. * @param enmUnit The unit. */ STAMR3DECL(const char *) STAMR3GetUnit(STAMUNIT enmUnit) { switch (enmUnit) { case STAMUNIT_NONE: return ""; case STAMUNIT_CALLS: return "calls"; case STAMUNIT_COUNT: return "count"; case STAMUNIT_BYTES: return "bytes"; case STAMUNIT_PAGES: return "pages"; case STAMUNIT_ERRORS: return "errors"; case STAMUNIT_OCCURENCES: return "times"; case STAMUNIT_TICKS_PER_CALL: return "ticks/call"; case STAMUNIT_TICKS_PER_OCCURENCE: return "ticks/time"; case STAMUNIT_GOOD_BAD: return "good:bad"; case STAMUNIT_MEGABYTES: return "megabytes"; case STAMUNIT_KILOBYTES: return "kilobytes"; default: AssertMsgFailed(("Unknown unit %d\n", enmUnit)); return "(?unit?)"; } } #ifdef VBOX_WITH_DEBUGGER /** * The '.stats' command. * * @returns VBox status. * @param pCmd Pointer to the command descriptor (as registered). * @param pCmdHlp Pointer to command helper functions. * @param pVM Pointer to the current VM (if any). * @param paArgs Pointer to (readonly) array of arguments. * @param cArgs Number of arguments in the array. */ static DECLCALLBACK(int) stamR3CmdStats(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult) { /* * Validate input. */ if (!pVM) return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: The command requires VM to be selected.\n"); if (!pVM->stam.s.pHead) return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Sorry, no statistics present.\n"); /* * Do the printing. */ STAMR3PRINTONEARGS Args; Args.pVM = pVM; Args.pvArg = pCmdHlp; Args.pfnPrintf = stamR3EnumDbgfPrintf; STAM_LOCK_RD(pVM); int rc = stamR3Enum(pVM, cArgs ? paArgs[0].u.pszString : NULL, stamR3PrintOne, &Args); STAM_UNLOCK_RD(pVM); return rc; } /** * Display one sample in the debugger. * * @param pArgs Pointer to the print one argument structure. * @param pszFormat Format string. * @param ... Format arguments. */ static DECLCALLBACK(void) stamR3EnumDbgfPrintf(PSTAMR3PRINTONEARGS pArgs, const char *pszFormat, ...) { PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pArgs->pvArg; va_list va; va_start(va, pszFormat); pCmdHlp->pfnPrintfV(pCmdHlp, NULL, pszFormat, va); va_end(va); NOREF(pArgs); } /** * The '.statsreset' command. * * @returns VBox status. * @param pCmd Pointer to the command descriptor (as registered). * @param pCmdHlp Pointer to command helper functions. * @param pVM Pointer to the current VM (if any). * @param paArgs Pointer to (readonly) array of arguments. * @param cArgs Number of arguments in the array. */ static DECLCALLBACK(int) stamR3CmdStatsReset(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult) { /* * Validate input. */ if (!pVM) return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: The command requires VM to be selected.\n"); if (!pVM->stam.s.pHead) return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Sorry, no statistics present.\n"); /* * Execute reset. */ int rc = STAMR3Reset(pVM, cArgs ? paArgs[0].u.pszString : NULL); if (VBOX_SUCCESS(rc)) return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "info: Statistics reset.\n"); return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Restting statistics.\n"); } #endif