Re: [vdr] background vdr thread eating cpu
Torgeir Veimo wrote: Every two and a half minute, my syslog gets an entry like: Jan 3 06:04:40 htpc kernel: cx88[1]/2: cx8802_timeout Jan 3 06:04:49 htpc vdr: [2369] frontend 1 timed out while tuning to channel 9, tp 578 About 30 seconds before i get this entry, thee's a vdr thread that eats about 25% system cpu time. I'm wondering what it's doing with all that processor power? As I'm using budget cards with softdevice, this has an effect on tv playback.. It only happens when I'm using two cards at the same time. top - 06:10:04 up 21 min, 2 users, load average: 2.18, 2.63, 2.10 Tasks: 96 total, 7 running, 89 sleeping, 0 stopped, 0 zombie Cpu(s): 50.2% us, 24.3% sy, 0.3% ni, 24.6% id, 0.3% wa, 0.0% hi, 0.3% si, 0.0% st Mem:515672k total, 160352k used, 355320k free,22520k buffers Swap: 1815304k total,0k used, 1815304k free,61232k cached PID USER PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND 2388 root 15 0 242m 29m 4140 R 46.9 5.8 13:28.16 vdr 2369 root 15 0 242m 29m 4140 S 17.6 5.8 1:04.57 vdr 2368 root 15 0 000 S 3.0 0.0 0:13.46 kdvb-fe-1 It would help if you could find out which particular thread is using that CPU percentage. You can do ps -T u -C vdr to get a display like USER PID SPID %CPU %MEMVSZ RSS TTY STAT START TIME COMMAND kls 27146 27146 3.7 5.8 124132 22568 pts/0Sl+ 10:49 0:08 ./vdr kls 27146 27150 0.0 5.8 124132 22568 pts/0Sl+ 10:49 0:00 ./vdr kls 27146 27151 0.0 5.8 124132 22568 pts/0Sl+ 10:49 0:00 ./vdr kls 27146 27152 1.6 5.8 124132 22568 pts/0RNl+ 10:49 0:03 ./vdr kls 27146 27154 0.0 5.8 124132 22568 pts/0Sl+ 10:49 0:00 ./vdr where the SPID number corresponds to the thread's tid number in VDR's log entries, as in Jan 3 10:49:19 video vdr: [27152] section handler thread started (pid=27146, tid=27152) Klaus ___ vdr mailing list vdr@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/vdr
Re: [vdr] background vdr thread eating cpu
On 3 Jan 2007, at 09:58, Klaus Schmidinger wrote: It would help if you could find out which particular thread is using that CPU percentage. You can do ps -T u -C vdr Hmm, it looks like the thread 5748 (tuner on device 2 thread started). Jan 3 11:37:29 htpc vdr: [5741] loading /video/vdr/remote.conf [...] Jan 3 11:37:29 htpc vdr: [5742] video directory scanner thread started (pid=5741, tid=5742) Jan 3 11:37:29 htpc vdr: [5742] video directory scanner thread ended (pid=5741, tid=5742) Jan 3 11:37:29 htpc vdr: [5743] video directory scanner thread started (pid=5741, tid=5743) Jan 3 11:37:29 htpc vdr: [5743] video directory scanner thread ended (pid=5741, tid=5743) Jan 3 11:37:29 htpc vdr: [5741] probing /dev/dvb/adapter0/frontend0 Jan 3 11:37:29 htpc vdr: [5741] probing /dev/dvb/adapter1/frontend0 Jan 3 11:37:29 htpc vdr: [5745] tuner on device 1 thread started (pid=5741, tid=5745) Jan 3 11:37:29 htpc vdr: [5746] section handler thread started (pid=5741, tid=5746) Jan 3 11:37:29 htpc vdr: [5741] found 2 video devices Jan 3 11:37:29 htpc vdr: [5741] initializing plugin: softdevice (0.3.0): A software emulated MPEG2 device Jan 3 11:37:29 htpc vdr: [5748] tuner on device 2 thread started (pid=5741, tid=5748) Jan 3 11:37:29 htpc vdr: [5749] section handler thread started (pid=5741, tid=5749) Jan 3 11:37:29 htpc vdr: [5741] [softdevice] videoOut OK ! [...] Jan 3 11:40:59 htpc vdr: [5748] frontend 1 timed out while tuning to channel 9, tp 578 Jan 3 11:41:54 htpc kernel: cx88[1]/2: cx8802_timeout [EMAIL PROTECTED] ~]# ps -T u -C vdr USER PID SPID %CPU %MEMVSZ RSS TTY STAT START TIME COMMAND root 5741 5741 0.2 5.4 220216 28016 ?SLl 11:37 0:00 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5745 0.3 5.4 220216 28016 ?SLl 11:37 0:00 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5746 0.5 5.4 220216 28016 ?RNLl 11:37 0:01 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5748 1.1 5.4 220216 28016 ?SLl 11:37 0:02 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5749 0.4 5.4 220216 28016 ?SNLl 11:37 0:00 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5752 0.0 5.4 220216 28016 ?SLl 11:37 0:00 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5753 0.0 5.4 220216 28016 ?SLl 11:37 0:00 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5754 0.0 5.4 220216 28016 ?SLl 11:37 0:00 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5755 0.0 5.4 220216 28016 ?SLl 11:37 0:00 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5756 0.0 5.4 220216 28016 ?SLl 11:37 0:00 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5757 0.0 5.4 220216 28016 ?SLl 11:37 0:00 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5760 0.0 5.4 220216 28016 ?SLl 11:37 0:00 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5762 0.1 5.4 220216 28016 ?SLl 11:37 0:00 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5763 0.0 5.4 220216 28016 ?SLl 11:37 0:00 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5764 0.1 5.4 220216 28016 ?SLl 11:37 0:00 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5765 0.5 5.4 220216 28016 ?SLl 11:37 0:01 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5767 71.6 5.4 220216 28016 ?SLl 11:37 2:29 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5741 5768 1.2 5.4 220216 28016 ?SLl 11:37 0:02 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo root 5759 5759 0.0 1.7 122400 9260 ?Ss 11:37 0:00 ./vdr -v /video/vdr -m 0 -s killall vdr;/bin/false -Psoftdevice - vo dfb:mgatv -Premo [EMAIL PROTECTED] ~]# Tasks: 104 total, 5 running, 99 sleeping, 0 stopped, 0 zombie Cpu(s): 51.7% us, 24.5% sy, 0.3% ni, 22.8% id, 0.0% wa, 0.3% hi, 0.3% si, 0.0% st Mem:515672k total, 181684k used, 333988k free,40848k buffers Swap: 1815304k total,
Re: [vdr] background vdr thread eating cpu
Hi, On Mi, Jan 03, 2007 at 04:25:57 +0100, Klaus Schmidinger wrote: Can you identify a particular VDR thread that consumes those 20% more CPU time? Thats very dificult. After observing this a time here is the output of ps -T u -C vdr USER PID SPID %CPU %MEMVSZ RSS TTY STAT START TIME COMMAND root 5252 5252 0.0 1.0 31536 10628 tty1 Rl+ 17:59 0:00 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5262 0.0 1.0 31536 10628 tty1 Sl+ 17:59 0:00 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5263 0.4 1.0 31536 10628 tty1 SNl+ 17:59 0:01 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5265 0.0 1.0 31536 10628 tty1 Sl+ 17:59 0:00 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5266 0.3 1.0 31536 10628 tty1 RNl+ 17:59 0:01 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5267 0.0 1.0 31536 10628 tty1 Sl+ 17:59 0:00 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5268 0.0 1.0 31536 10628 tty1 Sl+ 17:59 0:00 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5283 0.0 1.0 31536 10628 tty1 Sl+ 17:59 0:00 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5284 0.0 1.0 31536 10628 tty1 Sl+ 17:59 0:00 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5285 0.3 1.0 31536 10628 tty1 Sl+ 17:59 0:01 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr I am not shure that you can read someting out of this. I can only tell you, that the cpuload without the dvb-t stick pluged in is lower. Thanks Halim ___ vdr mailing list vdr@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/vdr
Re: [vdr] background vdr thread eating cpu
Hallo Klaus, On Mi, Jan 03, 2007 at 06:34:47 +0100, Klaus Schmidinger wrote: Halim Sahin wrote: Hi, On Mi, Jan 03, 2007 at 04:25:57 +0100, Klaus Schmidinger wrote: Can you identify a particular VDR thread that consumes those 20% more CPU time? Thats very dificult. After observing this a time here is the output of ps -T u -C vdr USER PID SPID %CPU %MEMVSZ RSS TTY STAT START TIME COMMAND root 5252 5252 0.0 1.0 31536 10628 tty1 Rl+ 17:59 0:00 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5262 0.0 1.0 31536 10628 tty1 Sl+ 17:59 0:00 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5263 0.4 1.0 31536 10628 tty1 SNl+ 17:59 0:01 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5265 0.0 1.0 31536 10628 tty1 Sl+ 17:59 0:00 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5266 0.3 1.0 31536 10628 tty1 RNl+ 17:59 0:01 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5267 0.0 1.0 31536 10628 tty1 Sl+ 17:59 0:00 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5268 0.0 1.0 31536 10628 tty1 Sl+ 17:59 0:00 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5283 0.0 1.0 31536 10628 tty1 Sl+ 17:59 0:00 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5284 0.0 1.0 31536 10628 tty1 Sl+ 17:59 0:00 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr root 5252 5285 0.3 1.0 31536 10628 tty1 Sl+ 17:59 0:01 ./vdr -E /dev/shm/epg.data -w 40 -s /sbin/go_down -l 0 -c /etc/vdr I am not shure that you can read someting out of this. I can only tell you, that the cpuload without the dvb-t stick pluged in is lower. Maybe the CPU load is simply higher for the USB driver, as suggested by Torgeir Veimo in his posting a few hours ago. May be. Perhaps somebody can check the cpuload with only two pci cards? Thanks Halim ___ vdr mailing list vdr@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/vdr
