Re: [Sched-tools] [PATCH 03/13] rt-app: add a t_zero to which every tasks has to refer

On 14/11/16 16:50, Vincent Guittot wrote:

On 11 November 2016 at 10:17, Juri Lelli juri.lelli@arm.com wrote:

[...]

...

•   if (data->ind == 0) {
  

•           clock_gettime(CLOCK_MONOTONIC, &t_zero);
  

•           if (opts.ftrace)
  

•                   log_ftrace(ft_data.marker_fd,
  

•                           "[%d] sets zero time",
  

•                           data->ind);
  

•   }
  

Only the 1st thread (data->ind == 0) is going to set t_zero. It's worth adding a comment explaining the mecanism that 1st thread set t_zero and other thread sync with this timestamp

Done.

Thanks,

- Juri