In message: <20050615231823.GB2239_at_obiwan.tataz.chchile.org> Jeremie Le Hen <jeremie_at_le-hen.org> writes: : Hi list, : : as the subjects state, when powerd(8) is running and has set a lower : frequency than the processor's natural one, interval between each : packets are too long. When my laptop is plugged, I told powerd(8) to : run the processor at maximum speed (-a max). : : Let's have a look at this : : %%% : jarjarbinks:root# sysctl hw.acpi.acline : hw.acpi.acline: 1 : jarjarbinks:root# sysctl dev.cpu.0.freq : dev.cpu.0.freq: 1735 : jarjarbinks:root# time ping -qc 2 192.168.1.1 : PING 192.168.1.1 (192.168.1.1): 56 data bytes : : --- 192.168.1.1 ping statistics --- : 2 packets transmitted, 2 packets received, 0% packet loss : round-trip min/avg/max/stddev = 0.266/0.269/0.271/0.002 ms : : real 0m1.003s : user 0m0.001s : sys 0m0.001s : : jarjarbinks:root# sysctl hw.acpi.acline : hw.acpi.acline: 0 : jarjarbinks:root# sysctl dev.cpu.0.freq : dev.cpu.0.freq: 216 : jarjarbinks:root# time ping -qc 2 192.168.1.1 : PING 192.168.1.1 (192.168.1.1): 56 data bytes : : --- 192.168.1.1 ping statistics --- : 2 packets transmitted, 2 packets received, 0% packet loss : round-trip min/avg/max/stddev = 0.637/0.814/0.991/0.177 ms : : real 0m2.252s : user 0m0.004s : sys 0m0.021s : %%% : : I check ping(8) source code and it appears it uses select(8) to wait : the desired amount of time. I don't think this is the intended : behaviour. Where does this bug (feature?) come from ? Those numbers look about right for a 200MHz CPU. WarnerReceived on Thu Jun 16 2005 - 01:25:50 UTC
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