Menon, Nishanth wrote: > Menon, Nishanth had written, on 12/11/2009 07:42 AM, the following: >> Dasgupta, Romit had written, on 12/11/2009 06:31 AM, the following: >>>> Also Richard indicated that there might be a few tricky things with perf >>>> Counters with specific devices - like EMU/HS/GP devices. It might need EMU >>>> Domain for the values to pass through and there might be a yet-not-measured increase In power which could impact usage numbers and may need additional >>>> Code to switch off the domain correctly while hitting OFF/RET.. >>>> >>> Yes someone with EMU/HS could run and let us know. OTOH there won't be any >>> increase in power as it is done only once during boot time after which the >>> perfcounters are stopped. >>> >>> By the way can you run this in 3630 and help us find what is the SRAM access >>> delay? I am sure it should be lesser since it has a process improvement over 34xx. >>> >>> >> will try on SDP3630 among the boards that I have around. meanwhile, >> would like an explanation to my previous comments also esp on the black >> magic "6" ;) - thanks. >> > Just realized -> clock framework changes are not in yet, anyways, with > 3630SDP (without my OPP series and on pm branch): > Clocking rate (Crystal/Core/MPU): 26.0/400/600 MHz > SRAM delay: 54 > > Reprogramming SDRC clock to 400000000 Hz > Thanks Nishanth. As expected the SRAM delay cycles are less compared to 3430. However only 3 cycles!! ;-) -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html