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From: Epiphanov Sergei <serpiph@nikiet.ru>
To: ALT Linux Sisyphus discussion list <sisyphus@altlinux.ru>
Subject: Re: [sisyphus] USB on 2.4.x
Date: Wed, 2 Feb 2005 17:47:14 +0300
Message-ID: <200502021747.14473.serpiph@nikiet.ru> (raw)
In-Reply-To: <4200D53F.7060509@altlinux.com>

[-- Attachment #1: Type: text/plain, Size: 147 bytes --]

В сообщении от 2 Февраль 2005 16:27 Anton Farygin написал:
> Программу в студию ;-)

Вот она (приложена).

-- 
С уважением, Епифанов Сергей

[-- Attachment #2: speed.cpp --]
[-- Type: text/x-c++src, Size: 933 bytes --]

#include <string.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <signal.h>
#include <stdio.h>
#include <unistd.h>

struct timeval getTV;
struct timezone getTZ;
double prevValue=0.0, curValue=0.0;


void sigHand( int i ){
    gettimeofday( &getTV, &getTZ );
    prevValue = curValue;
    curValue = getTV.tv_sec+(double)getTV.tv_usec/1.0e6;
}

int main( int argc, char ** argv ) {

    ::setpriority( PRIO_PROCESS, 0, -19 );
    struct sigaction sa;
    memset( &sa, 0, sizeof(sa) );
    sa.sa_handler = sigHand;
    sigaction( SIGALRM, &sa, NULL );

    struct itimerval tv;
    tv.it_interval.tv_sec = 0;
    tv.it_interval.tv_usec = 30000;
    tv.it_value.tv_sec = 0;
    tv.it_value.tv_usec = 30000;
    setitimer( ITIMER_REAL, &tv, NULL );

    while( 1 ) {
        pause();
//	printf("%10.3f\n",curValue);
	printf("Cur=%16.6fs, Prev=%16.6fs, delta=%8.3fms\n",curValue,prevValue,(curValue-prevValue)*1.0e3);
    }
}

  reply	other threads:[~2005-02-02 14:47 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-02-01 22:14 Andrey Brindeew
2005-02-01 22:47 ` Vitaly Lipatov
2005-02-02  2:03   ` Ivan Fedorov
2005-02-02  5:46     ` Vitaly Lipatov
2005-02-02  7:17       ` Gleb Kulikov
2005-02-02 10:27         ` Alexandre Prokoudine
2005-02-02 14:45           ` Gleb Kulikov
2005-02-02 11:45         ` iLL
2005-02-02 12:06           ` Epiphanov Sergei
2005-02-02 12:45             ` iLL
2005-02-02 13:09               ` Epiphanov Sergei
2005-02-02 13:27                 ` Anton Farygin
2005-02-02 14:47                   ` Epiphanov Sergei [this message]
2005-02-02 16:10                     ` Anton Farygin
2005-02-03  8:21                       ` Epiphanov Sergei
2005-02-03 10:58                       ` Epiphanov Sergei
2005-02-03 12:33                         ` [sisyphus] timers on 2.6.x vs 2.4.x (was: Re: USB on 2.4.x) Sergey Vlasov
2005-02-03 13:41                           ` Epiphanov Sergei
2005-02-03 12:32                       ` [sisyphus] USB on 2.4.x Epiphanov Sergei
2005-02-02 14:43             ` Gleb Kulikov
2005-02-02 22:12               ` Vitaly Lipatov
2005-02-03  7:59                 ` Gleb Kulikov
2005-02-03  9:59                   ` Vitaly Lipatov
2005-02-07 19:20             ` Serge Pavlovsky
2005-02-02 14:39           ` Gleb Kulikov
2005-02-02 15:42         ` [sisyphus] " Konstantin A. Lepikhov
2005-02-02  7:34       ` [sisyphus] Mosix (was: USB on 2.4.x) iLL
2005-02-03  5:24   ` [sisyphus] USB on 2.4.x Andrey Brindeew
2005-02-03  5:34     ` Ivan Fedorov
2005-02-03  8:21       ` Valery V. Inozemtsev
2005-02-03 13:45         ` Anton Farygin
2005-02-08 17:10   ` Maxim Tyurin
2005-02-02  6:35 ` Alex Yustasov

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