Hauppauge Nova-T 500 Dual DVB-T generates
high cpu load even if there is nothing going on.
For example:
#!/bin/bash
echo "rmmod dvb_usb_dib0700"
rmmod dvb_usb_dib0700
for ((i=0; i<10; i++))
do
cat /proc/loadavg
sleep 30
done
echo "modprobe dvb_usb_dib0700"
modprobe dvb_usb_dib0700
for ((i=0; i<10; i++))
do
cat /proc/loadavg
sleep 30
done
rmmod dvb_usb_dib0700
0.51 0.50 0.47 1/289 8253
0.51 0.50 0.47 1/289 8261
0.31 0.45 0.45 1/289 8269
0.18 0.41 0.43 1/289 8277
0.11 0.37 0.42 1/289 8285
0.07 0.33 0.40 1/289 8295
0.04 0.30 0.39 1/289 8303
0.26 0.33 0.40 1/288 8312
0.16 0.30 0.38 1/289 8321
0.09 0.27 0.37 1/289 8330
modprobe dvb_usb_dib0700
0.13 0.25 0.36 2/291 8355
0.16 0.24 0.35 1/289 8370
0.64 0.35 0.38 1/289 8378
0.78 0.41 0.40 1/289 8386
0.58 0.40 0.40 1/289 8394
0.35 0.36 0.38 1/289 8404
0.21 0.32 0.37 1/289 8412
0.52 0.39 0.38 1/289 8433
0.84 0.48 0.41 1/289 8441
0.75 0.49 0.42 1/289 8450
Kernel: 2.6.32-rc8 (+
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6.git
drm-linus)
Linux 2.6.32-rc8-00020-g5349ef3 #29 SMP Tue Nov 24 09:52:05 EET 2009
x86_64 AMD Phenom(tm) II X3 705e Processor AuthenticAMD GNU/Linux
Gnu C 4.3.4
Gnu make 3.81
binutils 2.18
util-linux 2.14.2
mount support
module-init-tools 3.5
e2fsprogs 1.41.3
PPP 2.4.4
Linux C Library 2.9
Dynamic linker (ldd) 2.9
Procps 3.2.8
Net-tools 1.60
Kbd 1.13
Sh-utils 7.5
wireless-tools 29
Modules Loaded dvb_usb_dib0700 ipv6 snd_seq_dummy snd_seq_oss
snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss
libafs af_packet bridge stp llc tun bitrev kvm_amd kvm option btrfs
zlib_deflate cryptomgr aead pcompress crypto_blkcipher crc32c
libcrc32c crypto_hash crypto_algapi mt2060 usbserial mousedev usbhid
usbmouse dib7000p dib7000m dib0070 dvb_usb dib3000mc dib8000
dibx000_common dvb_core usb_storage firewire_ohci radeon ohci_hcd
ehci_hcd uhci_hcd ttm firewire_core drm_kms_helper drm usbcore
firmware_class crc_itu_t i2c_algo_bit i2c_piix4 ohci1394 ata_generic
pata_acpi snd_hda_codec_atihdmi ieee1394 processor cfbcopyarea thermal
snd_hda_codec_via i2c_core atl1e thermal_sys snd_hda_intel nls_base
snd_hda_codec pata_atiixp rtc_cmos atkbd snd_pcm floppy snd_timer
rtc_core pcspkr snd rtc_lib sg 8250_pnp cfbimgblt cfbfillrect
soundcore 8250 asus_atk0110 evdev serial_core psmouse snd_page_alloc
hwmon serio_raw button unix ext4 jbd2 crc16 dm_mod raid1 md_mod sd_mod
ahci libata scsi_mod fbcon tileblit crc32 font bitblit softcursor fb
-Markus
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