On Wed, Feb 22, 2012 at 10:41 PM, Dmitry Antipov <dmitry.anti...@linaro.org> wrote: > On 02/22/2012 05:59 PM, Dave Martin wrote: > >> However, the way that the performance counter interrupts are routed is >> dependent on the SoC. OMAP4 and later have an unusual way of doing this, >> which is why perf doesn't currently work upstream for these platforms. > > > But will it work on Panda board with linux-linaro-3.3-rc3-2012.02-1 at > least?
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 thanks, -- Ming Lei _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
