Em Sun, 11 Oct 2009 21:09:24 +0400
"aospan@xxxxxxxx" <aospan@xxxxxxxx> 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 <aospan@xxxxxxxx>
> # Date 1253802277 -14400
> # Node ID 711d9630876ffd81196c1032ce77825d5b433cc8
> # Parent a798c751f06d60335fbbad9fdca8c41f1298d228
> TS speed check. Logging transport stream speed in Kbits per second
>
> Signed-off-by: Abylay Ospan <aospan@xxxxxxxx>
>
> --- 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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