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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-09 19:50:49 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-09 19:50:49 -0800
commit3e7468313758913c5e4d372f35b271b96bad1298 (patch)
treeeb612d252a9e2349a1173451cd779beebd18a33e /drivers/media/dvb/dvb-core/dvb_demux.c
parent6825fbc4cb219f2c98bb7d157915d797cf5cb823 (diff)
parente97f4677961f68e29bd906022ebf60a6df7f530a (diff)
downloadop-kernel-dev-3e7468313758913c5e4d372f35b271b96bad1298.zip
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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (345 commits) V4L/DVB (13542): ir-keytable: Allow dynamic table change V4L/DVB (13541): atbm8830: replace 64-bit division and floating point usage V4L/DVB (13540): ir-common: Cleanup get key evdev code V4L/DVB (13539): ir-common: add __func__ for debug messages V4L/DVB (13538): ir-common: Use a dynamic keycode table V4L/DVB (13537): ir: Prepare the code for dynamic keycode table allocation V4L/DVB (13536): em28xx: Use the full RC5 code on HVR-950 Remote Controller V4L/DVB (13535): ir-common: Add a hauppauge new table with the complete RC5 code V4L/DVB (13534): ir-common: Remove some unused fields/structs V4L/DVB (13533): ir: use dynamic tables, instead of static ones V4L/DVB (13532): ir-common: Add infrastructure to use a dynamic keycode table V4L/DVB (13531): ir-common: rename the debug routine to allow exporting it V4L/DVB (13458): go7007: subdev conversion V4L/DVB (13457): s2250: subdev conversion V4L/DVB (13456): s2250: Change module structure V4L/DVB (13528): em28xx: add support for em2800 VC211A card em28xx: don't reduce scale to half size for em2800 em28xx: don't load audio modules when AC97 is mis-detected em28xx: em2800 chips support max width of 640 V4L/DVB (13523): dvb-bt8xx: fix compile warning ... Fix up trivial conflicts due to spelling fixes from the trivial tree in Documentation/video4linux/gspca.txt drivers/media/video/cx18/cx18-mailbox.h
Diffstat (limited to 'drivers/media/dvb/dvb-core/dvb_demux.c')
-rw-r--r--drivers/media/dvb/dvb-core/dvb_demux.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_demux.c b/drivers/media/dvb/dvb-core/dvb_demux.c
index 91c537b..b78cfb7 100644
--- a/drivers/media/dvb/dvb-core/dvb_demux.c
+++ b/drivers/media/dvb/dvb-core/dvb_demux.c
@@ -30,6 +30,7 @@
#include <linux/string.h>
#include <linux/crc32.h>
#include <asm/uaccess.h>
+#include <asm/div64.h>
#include "dvb_demux.h"
@@ -44,6 +45,11 @@ 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()) \
printk(x); \
@@ -387,6 +393,39 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf)
u16 pid = ts_pid(buf);
int dvr_done = 0;
+ if (dvb_demux_speedcheck) {
+ struct timespec cur_time, delta_time;
+ u64 speed_bytes, speed_timedelta;
+
+ demux->speed_pkts_cnt++;
+
+ /* show speed every SPEED_PKTS_INTERVAL packets */
+ if (!(demux->speed_pkts_cnt % SPEED_PKTS_INTERVAL)) {
+ 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;
+ /* convert to 1024 basis */
+ speed_bytes = 1000 * div64_u64(speed_bytes,
+ 1024);
+ 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)
demux->cnt_storage = vmalloc(MAX_PID + 1);
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