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timer.c
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1995-11-18
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174 lines
/*
** $RCSfile: Timer.c,v $
** $Filename: Timer.c $
** $Revision: 0.1 $
** $Date: 1995/11/18 14:14:05 $
**
** sysmon command timer (version 0.2)
**
** (C) Copyright 1995 by Etienne Vogt
*/
#include <dos/rdargs.h>
#include <dos/dostags.h>
#include <dos/dosextens.h>
#include <workbench/startup.h>
#include <devices/timer.h>
#define __USE_SYSBASE
#include <proto/exec.h>
#include <proto/dos.h>
#include <proto/timer.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "sysmon.h"
#include "sysmon_protos.h"
#include "sysmon_pragmas.h"
struct Library *SysmonBase;
struct Library *TimerBase;
static struct RDArgs *myrda;
static struct WBStartup *wbmsg;
static struct timerequest mytimereq;
int main(void);
static void cleanexit(int rc);
static struct EClockVal subEClockVal(struct EClockVal e2, struct EClockVal e1);
static char *uptimestr(struct EClockVal *clockval, ULONG clockrate);
static char *cputimestr(struct EClockVal *clockval, ULONG clockrate);
static char *cpuloadstr(struct EClockVal *cpu, struct EClockVal *time);
void __asm __saveds comExit(register __d0 int rc, register __d1 struct EClockVal *data);
static UBYTE template[] = "COMMAND/F/A";
static UBYTE version[] = "$VER: Timer 0.2 (19.11.95)";
#define OPT_COMMAND 0
#define OPTMAX 1
int main(void)
{ LONG opts[OPTMAX];
struct CommandLineInterface *mycli;
SysmonBase = NULL;
TimerBase = NULL;
wbmsg = NULL;
myrda = NULL;
if (DOSBase->dl_lib.lib_Version < 37)
{ Printf("Requires AmigaOS V37 or higher.\n");
exit(30);
}
if (!(mycli = Cli()))
cleanexit(20); /* If started from WB, exit cleanly */
else
{ struct EClockVal StartTime, EndTime, ElapsedTime;
static struct EClockVal ElapsedCPU;
ULONG EClockRate;
memset((char *)opts, 0, sizeof(opts));
if ((myrda = ReadArgs(template, opts, NULL)) == NULL)
{ PrintFault(IoErr(),NULL);
cleanexit(20);
}
if ((SysmonBase = OpenLibrary("sysmon.library",0)) == NULL)
{ PutStr("timer : Couldn't open sysmon.library\n");
cleanexit(20);
}
if (OpenDevice(TIMERNAME, UNIT_ECLOCK, (struct IORequest *)&mytimereq, 0L))
cleanexit(100);
TimerBase = (struct Library *)mytimereq.tr_node.io_Device;
EClockRate = ReadEClock(&StartTime);
if (SystemTags((STRPTR)opts[OPT_COMMAND],
SYS_UserShell, TRUE,
NP_StackSize, mycli->cli_DefaultStack << 2,
NP_ExitCode, comExit,
NP_ExitData, &ElapsedCPU,
TAG_DONE ))
{ PrintFault(IoErr(), "Error starting command");
cleanexit(10);
}
ReadEClock(&EndTime);
ElapsedTime = subEClockVal(EndTime, StartTime);
Printf("Elapsed Time : %s , CPU Time : %s , CPU Load : %s\n",
uptimestr(&ElapsedTime, EClockRate),
cputimestr(&ElapsedCPU, EClockRate),
cpuloadstr(&ElapsedCPU, &ElapsedTime));
}
cleanexit(0);
}
static void cleanexit(int rc)
{
if (SysmonBase) CloseLibrary(SysmonBase);
if (TimerBase) CloseDevice((struct IORequest *)&mytimereq);
if (myrda) FreeArgs(myrda);
exit(rc);
}
static struct EClockVal subEClockVal(struct EClockVal e2, struct EClockVal e1)
{ BOOL carry = (e1.ev_lo > e2.ev_lo);
e2.ev_lo -= e1.ev_lo;
e2.ev_hi -= e1.ev_hi;
if (carry) e2.ev_hi -= 1;
return e2;
}
static char *uptimestr(struct EClockVal *clockval, ULONG clockrate)
{ static char buffer[16];
ULONG seconds;
UWORD updays, uphours, upminutes, upseconds;
seconds = (ULONG)((clockval->ev_hi * 4294967296.0 + clockval->ev_lo) / (double)clockrate);
updays = seconds / (24*60*60);
seconds %= 24*60*60;
uphours = seconds / (60*60);
seconds %= 60*60;
upminutes = seconds / 60;
upseconds = seconds % 60;
sprintf(buffer, "%2lu %02lu:%02lu:%02lu", updays, uphours, upminutes, upseconds);
return buffer;
}
static char *cputimestr(struct EClockVal *clockval, ULONG clockrate)
{ static char buffer[18];
ULONG millis;
UWORD cpudays, cpuhours, cpuminutes, cpuseconds, cpumillis;
millis = (ULONG)((clockval->ev_hi * 4294967296.0 + clockval->ev_lo) / (double)(clockrate / 1000));
cpudays = millis / (24*60*60*1000);
millis %= 24*60*60*1000;
cpuhours = millis / (60*60*1000);
millis %= 60*60*1000;
cpuminutes = millis / (60*1000);
millis %= 60*1000;
cpuseconds = millis / 1000;
cpumillis = millis % 1000;
sprintf(buffer, "%2lu %02lu:%02lu:%02lu.%03lu", cpudays, cpuhours, cpuminutes, cpuseconds, cpumillis);
return buffer;
}
static char *cpuloadstr(struct EClockVal *cpu, struct EClockVal *time)
{ static char buffer[10];
double cpuload;
cpuload = 100.0 * (cpu->ev_hi * 4294967296.0 + cpu->ev_lo) / (time->ev_hi * 4294967296.0 + time->ev_lo);
sprintf(buffer, "%5.1f %%", cpuload);
return buffer;
}
void __asm __saveds comExit(register __d0 int rc, register __d1 struct EClockVal *data)
{ struct TaskInfo *mytinfo;
mytinfo = smFindTaskInfo(NULL);
*data = mytinfo->ti_CPUTime;
}