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/*++
Copyright (c) 1997 Microsoft Corporation
Module Name:
idlemon.c
Abstract:
Little program for recording the various idle states of a machine
Author:
John Vert (jvert) 1/14/2000
Revision History:
--*/#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <stdio.h>
#include <conio.h>
#define DISPLAY_TOTAL 0
#define DISPLAY_DELTA 1
#define DISPLAY_RAW 2
int Display=DISPLAY_TOTAL;int ShowTransitions=FALSE;
#define printtime(_x_) { \
ULONGLONG ms = (_x_)/10000; \ ULONG hours, minutes, seconds; \ hours = (ULONG)ms/(1000*60*60); \ if (hours) printf("%3d:",(ULONG)(ms/(1000*60*60))); \ ms=ms%(1000*60*60); \ minutes = (ULONG)ms/(1000*60); \ if (minutes || hours) printf("%02d:",(ULONG)(ms/(1000*60))); \ ms=ms%(1000*60); \ seconds = (ULONG)ms/1000; \ printf("%02d.",seconds); \ ms=ms%1000; \ printf("%03d",(ULONG)ms); \ }
__cdeclmain (argc, argv) int argc; char *argv[];{ CHAR Buff[sizeof(SYSTEM_PROCESSOR_IDLE_INFORMATION)*MAXIMUM_PROCESSORS]; PSYSTEM_PROCESSOR_IDLE_INFORMATION IdleInfo = (PSYSTEM_PROCESSOR_IDLE_INFORMATION)Buff; ULONG Length; NTSTATUS Status; ULONGLONG LastIdleTime[MAXIMUM_PROCESSORS]; ULONGLONG LastC1Time[MAXIMUM_PROCESSORS], LastC2Time[MAXIMUM_PROCESSORS], LastC3Time[MAXIMUM_PROCESSORS]; ULONG LastC1Transitions[MAXIMUM_PROCESSORS], LastC2Transitions[MAXIMUM_PROCESSORS], LastC3Transitions[MAXIMUM_PROCESSORS]; ULONG i,NumProc; LARGE_INTEGER Delay; ULONGLONG DeltaTime; ULONGLONG Diff; ULONG Delta;
for (i=0;i<MAXIMUM_PROCESSORS;i++) { LastIdleTime[i] = LastC1Time[i] = LastC2Time[i] = LastC3Time[i] = 0; LastC1Transitions[i] = LastC2Transitions[i] = LastC3Transitions[i] = 0;
}
Delay.QuadPart = -5 * 1000 * 1000 * 10; printf("TOT IDLE TOTC1 TOTC2 TOTC3 DELTA IDLE DELTAC1 DELTAC2 DELTAC3\n");
while (1) { if (_kbhit()) { int Char=_getch(); switch (toupper(Char)) { case 'T': Display = DISPLAY_TOTAL; break; case 'D': Display = DISPLAY_DELTA; break; case 'R': Display = DISPLAY_RAW; break; case 'C': ShowTransitions = !ShowTransitions; break; case 'P': printf("Hit a key to continue\n"); _getch(); break; case 'Q': return;
default: printf("Type :\n"); printf("\t'T' - display Total\n"); printf("\t'D' - display Delta\n"); printf("\t'R' - display Raw\n"); printf("\t'C' - toggle between transition Counts and time\n"); printf("\t'P' - Pause\n"); printf("\t'Q' - quit\n");
} } Status = NtQuerySystemInformation(SystemProcessorIdleInformation, IdleInfo, sizeof(Buff), &Length); if (!NT_SUCCESS(Status)) { fprintf(stderr, "NtQuerySystemInformation failed: %lx\n",Status); return(Status); } NumProc = Length/sizeof(SYSTEM_PROCESSOR_IDLE_INFORMATION); for (i=0;i<NumProc;i++) { if (NumProc > 1) { printf("%2d>",i); } else { printf(" "); } if (ShowTransitions) { switch (Display) { case DISPLAY_TOTAL: printf("Idle "); printtime(IdleInfo[i].IdleTime); printf(" C1 %d (%d us)", IdleInfo[i].C1Transitions, IdleInfo[i].C1Transitions ? (ULONG)(IdleInfo[i].C1Time*10/IdleInfo[i].C1Transitions):0); printf(" C2 %d (%d us)", IdleInfo[i].C2Transitions, IdleInfo[i].C2Transitions ? (ULONG)(IdleInfo[i].C2Time*10/IdleInfo[i].C2Transitions):0); printf(" C3 %d (%d us)", IdleInfo[i].C3Transitions, IdleInfo[i].C3Transitions ? (ULONG)(IdleInfo[i].C3Time*10/IdleInfo[i].C3Transitions):0); break;
case DISPLAY_DELTA: printf("Idle "); DeltaTime = IdleInfo[i].IdleTime-LastIdleTime[i]; printtime(DeltaTime); DeltaTime = IdleInfo[i].C1Time-LastC1Time[i]; Delta = IdleInfo[i].C1Transitions-LastC1Transitions[i]; printf(" C1 %d (%d us)", Delta, (Delta == 0) ? 0 : (ULONG)(DeltaTime/10/Delta)); DeltaTime = IdleInfo[i].C2Time-LastC2Time[i]; Delta = IdleInfo[i].C2Transitions-LastC2Transitions[i]; printf(" C2 %d (%d us)", Delta, (Delta == 0) ? 0 : (ULONG)(DeltaTime/10/Delta)); DeltaTime = IdleInfo[i].C3Time-LastC3Time[i]; Delta = IdleInfo[i].C3Transitions-LastC3Transitions[i]; printf(" C3 %d (%d us)", Delta, (Delta == 0) ? 0 : (ULONG)(DeltaTime/10/Delta)); break;
case DISPLAY_RAW: printf("Idle %I64X C1 %d C2 %d C3 %d", IdleInfo[i].IdleTime, IdleInfo[i].C1Transitions, IdleInfo[i].C2Transitions, IdleInfo[i].C3Transitions); break;
} } else { switch (Display) { case DISPLAY_TOTAL: printf("Idle "); printtime(IdleInfo[i].IdleTime); printf(" C1 "); printtime(IdleInfo[i].C1Time); printf("(%2d%%) C2 ",IdleInfo[i].C1Time*100/IdleInfo[i].IdleTime); printtime(IdleInfo[i].C2Time); printf("(%2d%%) C3 ",IdleInfo[i].C2Time*100/IdleInfo[i].IdleTime); printtime(IdleInfo[i].C3Time); printf("(%2d%%) ",IdleInfo[i].C3Time*100/IdleInfo[i].IdleTime); break;
case DISPLAY_DELTA: printf("Idle "); printtime(IdleInfo[i].IdleTime-LastIdleTime[i]); printf(" C1 "); printtime(IdleInfo[i].C1Time-LastC1Time[i]); DeltaTime = IdleInfo[i].C1Time-LastC1Time[i]; Diff = IdleInfo[i].IdleTime - LastIdleTime[i]; printf("(%2d%%) C2 ",(Diff == 0 ? 0 : (DeltaTime * 100 / Diff) ) ); DeltaTime = IdleInfo[i].C2Time-LastC2Time[i]; printtime(IdleInfo[i].C2Time-LastC2Time[i]); printf("(%2d%%) C3 ",(Diff == 0 ? 0 : (DeltaTime * 100/ Diff) ) ); DeltaTime = IdleInfo[i].C3Time-LastC3Time[i]; printtime(IdleInfo[i].C3Time-LastC3Time[i]); printf("(%2d%%) ",(Diff == 0 ? 0 : (DeltaTime * 100 / Diff) ) ); break; case DISPLAY_RAW: printf("Idle %I64X C1 %I64X C2 %I64X C3 %I64X", IdleInfo[i].IdleTime, IdleInfo[i].C1Time, IdleInfo[i].C2Time, IdleInfo[i].C3Time); break; }
}
LastIdleTime[i] = IdleInfo[i].IdleTime; LastC1Time[i] = IdleInfo[i].C1Time; LastC2Time[i] = IdleInfo[i].C2Time; LastC3Time[i] = IdleInfo[i].C3Time;
LastC1Transitions[i] = IdleInfo[i].C1Transitions; LastC2Transitions[i] = IdleInfo[i].C2Transitions; LastC3Transitions[i] = IdleInfo[i].C3Transitions;
printf("\n"); } NtDelayExecution(FALSE, &Delay); }
return 0;}
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