new FM demodulator

Alexandru Csete oz9aec at gmail.com
Thu Jan 30 16:13:19 UTC 2014


On Thu, Jan 30, 2014 at 4:51 PM, Sdr Guru <sdrguru1 at gmail.com> wrote:
> On Thu, Jan 30, 2014 at 5:23 PM, Alexandru Csete <oz9aec at gmail.com> wrote:
>>
>> On Thu, Jan 30, 2014 at 3:45 PM, Sdr Guru <sdrguru1 at gmail.com> wrote:
>> > Hi
>> >
>> > Perhaps you can add a simple performance test to rtl_fm.
>> > "decoding 100000 samples takes xxx ms" or something like that.
>> > It helps to compare different CPU and OS families.
>>
>> We can already do simple benchmarking using the "time" command, or
>> more detailed measurements using the "perf" tool that comes with the
>> linux kernel.
>
> You can bring us some examples. Or write a guide.
> Especially with "time" command.

In a terminal you type:

time rtl_fm

with the rtl_fm parameters you want to use. When you stop the program
it will print out how much real time has passed and how much time was
used by the application. See "man time" for options.

Alex




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