[Xenomai] Slow execution of RT task

Philippe Gerum rpm at xenomai.org
Mon Apr 14 14:44:30 CEST 2014


On 04/14/2014 11:14 AM, Jeroen Van den Keybus wrote:
>
> [  143.797961] WARNING: at kernel/rcutree.c:480 rcu_irq_exit+0xb9/0xd0()
> [  143.797967] Modules linked in: xeno_native xeno_nucleus i915
> coretemp mperf ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul
> glue_helper ablk_helper cryptd drm_kms_helper drm lpc_ich mfd_core
> ehci_pci ehci_hcd video backlight processor xhci_hcd e1000e igb
> usbcore firewire_ohci firewire_core i2c_algo_bit hwmon crc_itu_t ptp
> pps_core usb_common thermal fan
> [  143.798151] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W
> 3.10.18-ipipe #17

Do you have CONFIG_NO_HZ_FULL enabled? If so, could you disable it and 
retry? Next step, same question for CONFIG_NO_HZ_IDLE.

TIA,

-- 
Philippe.




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