Timer resolution

["Nicolas Hoffmann" <hoffmann_nicolas@hotmail.com>]

Hi,

	I use RTL V2.0 with Linux kernel 2.2.13. I'm trying to get the time in 
milliseconds from the start of my module. But where I expect to have time in 
ms, it seams I have time in seconds !

	I just make a little example.
	In init-module, I initialize the time like this:

static int start_time; /* Time in milli */

...

int init_module(void)
{
  struct timespec tspec;

  tspec = timespec_from_ns(gethrtime());
  start_time = tspec.tv_sec*1000+tspec.tv_nsec/1000000;

	/* starts the thread */
...
}


And I use one periodic thread with a period of one second. Here is the code 
of my thread (I just print the time in millisecond):

void thread_code(void *t)
{
  int i;
  struct timespec tspec;

  while(1)
    {
      tspec = timespec_from_ns(gethrtime());
      i = tspec.tv_sec*1000+tspec.tv_nsec/1000000;

      i = i-start_time;
      rtl_printf("Time= %d ms\n", (int)i);
      pthread_wait_np();
    }
}

As result, I have every second the time increased by one (sometimes by two) 
instead of increased by 1000 as I expect !

What's wrong ?

Thanks.

	Nioclas.


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