Leaked source code of windows server 2003
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229 lines
9.3 KiB

/*++
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); \
}
__cdecl
main (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;
}