Re: [ckrm-tech] [RFC][PATCH] Add timestamp to process event connector message

[Dave Hansen <haveblue@us.ibm.com>]

On Mon, 2005-12-05 at 18:21 -0800, Matt Helsley wrote:
> +static inline void get_timestamp(struct timespec *ts)
> +{
> +       unsigned int seq;
> +       struct timespec wall2mono;
> +
> +       /* synchronize with settimeofday() changes */
> +       do {
> +               seq = read_seqbegin(&xtime_lock);
> +               getnstimeofday(ts);
> +               wall2mono = wall_to_monotonic;
> +       } while(read_seqretry(&xtime_lock, seq));
> +
> +       /* adjust to monotonicaly-increasing values */
> +       ts += wall2mono.tv_sec;
> +       ts += wall2mono.tv_nsec;
> +       while ((ts->tv_nsec - NSEC_PER_SEC) >= 0) {
> +               ts->tv_nsec -= NSEC_PER_SEC;
> +               ts->tv_sec++;
> +       }
> +}

This seems like something a bit too generic to have in your
drivers/connector/cn_proc.c file.  Is there a generic timekeeping
function that should be used instead?  Or, should this go into one of
the timekeeping files?

-- Dave

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