Em Sun, 11 Oct 2009 21:09:24 +0400
"aos...@netup.ru" <aos...@netup.ru> escreveu:

> Hello Mauro,
> 
> On Friday 09 October 2009 16:01:58 Mauro Carvalho Chehab wrote:
> > Wouldn't be be better to just use dvbtraffic userspace apps for it? 
> this feature very usable for debugging. Please add it.
> 
> > Also,
> > your patch has some coding style issues.
> please point to this issues. I will fix.
> 

> 
> # HG changeset patch
> # User Abylay Ospan <aos...@netup.ru>
> # Date 1253802277 -14400
> # Node ID 711d9630876ffd81196c1032ce77825d5b433cc8
> # Parent a798c751f06d60335fbbad9fdca8c41f1298d228
> TS speed check. Logging transport stream speed in Kbits per second
> 
> Signed-off-by: Abylay Ospan <aos...@netup.ru>
> 
> --- a/linux/drivers/media/dvb/dvb-core/dvb_demux.c    Wed Sep 23 10:21:53 
> 2009 +0200
> +++ b/linux/drivers/media/dvb/dvb-core/dvb_demux.c    Thu Sep 24 18:24:37 
> 2009 +0400
> @@ -42,6 +42,11 @@
>  module_param(dvb_demux_tscheck, int, 0644);
>  MODULE_PARM_DESC(dvb_demux_tscheck,
>               "enable transport stream continuity and TEI check");
> +
> +static int dvb_demux_speedcheck;
> +module_param(dvb_demux_speedcheck, int, 0644);
> +MODULE_PARM_DESC(dvb_demux_speedcheck,
> +             "enable transport stream speed check");
>  
>  #define dprintk_tscheck(x...) do {                              \
>               if (dvb_demux_tscheck && printk_ratelimit())    \
> @@ -385,6 +390,37 @@
>       struct dvb_demux_feed *feed;
>       u16 pid = ts_pid(buf);
>       int dvr_done = 0;
> +     struct timespec cur_time, delta_time;
> +     u64 speed_bytes, speed_timedelta;
> +
> +     if (dvb_demux_speedcheck) {
> +             demux->speed_pkts_cnt++;
> +
> +             /* show speed every SPEED_PKTS_INTERVAL packets */
> +             if (!(demux->speed_pkts_cnt%SPEED_PKTS_INTERVAL)) {

You need to add spaces between each argument of the % operator

> +                     cur_time = current_kernel_time();
> +
> +                     if (demux->speed_last_time.tv_sec != 0 &&
> +                                     demux->speed_last_time.tv_nsec != 0) {
> +                             delta_time = timespec_sub(cur_time,
> +                                             demux->speed_last_time);
> +                             speed_bytes = (u64)demux->speed_pkts_cnt*188*8;

You need to add spaces between each argument of the * operator

> +                             /* convert to 1024 basis */
> +                             speed_bytes = 1000*div64_u64(speed_bytes,
> +                                             1024);

You need to add spaces between each argument of the * operator

> +                             speed_timedelta =
> +                                     (u64)timespec_to_ns(&delta_time);
> +                             speed_timedelta = div64_u64(speed_timedelta,
> +                                             1000000); /* nsec -> usec */
> +                             printk(KERN_INFO "TS speed %llu Kbits/sec \n",
> +                                             div64_u64(speed_bytes,
> +                                                     speed_timedelta));
> +                     };
> +
> +                     demux->speed_last_time = cur_time;
> +                     demux->speed_pkts_cnt = 0;
> +             };
> +     };
>  
>       if (dvb_demux_tscheck) {
>               if (!demux->cnt_storage)
> --- a/linux/drivers/media/dvb/dvb-core/dvb_demux.h    Wed Sep 23 10:21:53 
> 2009 +0200
> +++ b/linux/drivers/media/dvb/dvb-core/dvb_demux.h    Thu Sep 24 18:24:37 
> 2009 +0400
> @@ -44,6 +44,7 @@
>  #define DVB_DEMUX_MASK_MAX 18
>  
>  #define MAX_PID 0x1fff
> +#define SPEED_PKTS_INTERVAL 50000
>  
>  struct dvb_demux_filter {
>       struct dmx_section_filter filter;
> @@ -132,6 +133,9 @@
>       spinlock_t lock;
>  
>       uint8_t *cnt_storage; /* for TS continuity check */
> +
> +     struct timespec speed_last_time; /* for TS speed check */
> +     uint32_t speed_pkts_cnt; /* for TS speed check */
>  };
>  
>  int dvb_dmx_init(struct dvb_demux *dvbdemux);
> 




Cheers,
Mauro
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