On Fri, Feb 24, 2012 at 4:23 PM, Dmitry Antipov <dmitry.anti...@linaro.org> wrote: > On 02/23/2012 04:57 AM, Ming Lei wrote: > >> No, it doesn't work with upstream kernel now. You need to apply the >> patches[1][2] >> against upstream kernel to route CTIs IRQ so that OMAP4 PMU/perf can work >> well. >> >> [1], http://marc.info/?l=linux-omap&m=132686049213313&w=2 >> [2], http://marc.info/?l=linux-arm-kernel&m=132687938417894&w=2 > > > I'm not sure about "well" :-(: > > ... > irq 34: nobody cared (try booting with the "irqpoll" option) > ... > Disabling IRQ #34 > irq 33: nobody cared (try booting with the "irqpoll" option) > ... > Disabling IRQ #33 > ... > > cat /proc/interrupts ==> > > CPU0 CPU1 > 29: 302749 362285 GIC twd > 33: 400001 0 GIC arm-pmu > 34: 0 400001 GIC arm-pmu
Could you share us how you reproduced the problem? and which kernel are you used to reproduce it? Also considered that there are several patches required for omap4 perf, so it is better that you can post the diff. thanks -- Ming Lei _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
