On 05/12/2015 12:38 PM, Morten Rasmussen wrote: > Test results for ARM TC2 (2xA15+3xA7) with cpufreq enabled: > > sysbench: Single task running for 3 seconds. > rt-app [4]: mp3 playback use-case model > rt-app [4]: 5 ~[6,13,19,25,31,38,44,50]% periodic (2ms) tasks > > Note: % is relative to the capacity of the fastest cpu at the highest > frequency, i.e. the more busy ones do not fit on little cpus. > > A newer version of rt-app was used which supports a better but slightly > different way of modelling the periodic tasks. Numbers are therefore > _not_ comparable to the RFCv3 numbers. > > Average numbers for 20 runs per test (ARM TC2). > > Energy Mainline EAS noEAS > > sysbench 100 251* 227* > > rt-app mp3 100 63 111 > > rt-app 6% 100 42 102 > rt-app 13% 100 58 101 > rt-app 19% 100 87 101 > rt-app 25% 100 94 104 > rt-app 31% 100 93 104 > rt-app 38% 100 114 117 > rt-app 44% 100 115 118 > rt-app 50% 100 125 126
Hi Morten, What is noEAS? From the numbers, noEAS != Mainline? Maybe also have some perf numbers to show that perf is in fact preserved while lowering power. -Sai -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
