Alternatively, you could modify the scripts so they exit after a specified
interval:
tick-1s
/i++ >= $1/
{
exit(0);
}
Adam
On Wed, Nov 14, 2007 at 03:10:05PM -0600, jorge gmail wrote:
>
>
> Hi all, i write a little program that could be useful if you have
> DtraceToolkit. Almost all scripts wait until you press ctrl+c key, but
>
> If want to automate this task this is not possible because you need to stay
> in front of your terminal.
>
>
>
> Ktime launch the program passed as parameter and wait <time> ( in seconds)
> until send a ctr+c signal ( SIGINT) to the child process.
>
>
>
>
>
> http://kbradero.neuroaio.biz/gnu/ktime/ktime.c ( source code online )
>
> http://kbradero.neuroaio.biz/gnu/ktime/solaris/ binary
>
> Examples :
>
> ./ktime shortlived.d 20
>
>
>
> Syntaxis:
>
> ./ktime <program> <time>
>
>
>
> #crontab -l
>
> * * * * * /tmp/test/DTraceToolkit-0.99/Bin/mon.sh
>
>
>
> You could integrate in other scripts:
>
>
>
> /tmp/test/DTraceToolkit-0.99/Bin/>#cat mon.sh
>
> #!/bin/bash
>
> cd /tmp/test/DTraceToolkit-0.99/Bin/
>
> /tmp/test/DTraceToolkit-0.99/Bin/ktime errinfo 20 > state.txt
>
> echo `date` >> state.txt
>
>
>
>
>
>
>
>
>
> The code:
>
>
>
> cat ktime.c
>
> #include <stdio.h>
>
> #include <string.h>
>
> #include <stdlib.h>
>
> #include <unistd.h>
>
> #include <signal.h>
>
>
>
>
>
> /*
>
> Author: Jorge Alberto Garcia Gonzalez
>
> email: jorge.garcia.gonzalez(en)gmail.com
>
> Usage: ./ktime shortlived.d 10
>
> ktime <program > <program parameters> <seconds until send ctrl+c >
>
>
> way to compile: gcc ktime.c -o ktime
>
> */
>
> int main( int argc, char *argv[]){
>
> pid_t child_pid=0;
>
> char *arguments=NULL;
>
> int narguments= argc-2; /* chid arguments*/
>
> int i=argc-1 ;
>
> int element=1;
>
> int lenarg=0;
>
>
>
>
>
> for( element=1; element <=argc-2 ;element++){
>
> lenarg+= strlen(argv[ element ]) +1 ;
>
> printf("%d \n",lenarg);
>
> }
>
> lenarg+=1;
>
> element=1;
>
>
>
> arguments=(char *) malloc( lenarg * sizeof(char) );
>
>
>
> for( element=1; element <=argc-2 ; element++ ){
>
> strcat( arguments, argv[ element ] );
>
> strcat( arguments, " ");
>
> /*
>
> printf("argumento: %s \n", argv[ element ] );
>
> */
>
> }
>
>
>
> /*
>
> printf("child arguments: %s \n", arguments );
>
> */
>
>
>
> if( ( child_pid=fork() )==0 ){
>
>
> //execl("/tmp/test/DTraceToolkit-0.99/Bin/errinfo","errinfo",(char *)0);
>
> execv(argv[1],&arguments );
>
>
>
> }else
>
> {
>
> sleep( atoi(argv[argc-1]) ) ;
>
> kill(child_pid,SIGINT) ;
>
> //printf("child: %d is dead, leaving...\n",(int)child_pid);
>
> }
>
> return 0;
>
> }
>
>
>
>
>
> _______________________________________________
> dtrace-discuss mailing list
> [email protected]
--
Adam Leventhal, FishWorks http://blogs.sun.com/ahl
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