CPU Clock History

by axlrose...@zworg.com » Wed, 19 Jan 2011 09:45:02 GMT

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 So I want something that can keep track of CPU clock speed over a
period of time. Specifically when the screen was off. I asked around
and no really had a good solution.

Being new to android but old to linux, I figured I could just make a
script that would check /proc/cpuinfo and every couple of seconds and
save it to a text file. Simple....I thought.

CPUinfo on my phone (HTC Incredible) doesn't show processor speed.

Anyone know of a way to accomplish what I want? Maybe there is an app
out already that will do what I wish, but I haven't been able to find


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2. Android: why not just improve JME or phoneME?

> What I didnt like is this redefiniton of concepts like events etc. I

I have wondered the same thing since all my experience to date is with
J2ME on industrial embedded systems (not phone aps). Phone apps use
PhoneME which is much more restricted than the embedded Java systems
we use. We must have access to the hardware, file system, low level
event and interrupt access, etc to support I/O devices which vary from
application to application.

What strikes me is that phoneME is stuck in the past, whereas Android
assumes some current hardware base. phoneME lets you run one app at a
time with strong sandbox restrictions, no data sharing, no built in
database, and you need a dozen JSRs to support everything (ref the
high end Sony phones like K850 which still has no keyboard, dinky
screen, no touch support). It's a painful environment in which to make
something useful. Plus if you want to license phoneME you must shell
out around US$100K to Sun for a full JME license. You can't just get
part for less (say you just want the Squawk VM to build SunSPOTS).
It's all or nothing. So clearly Sun does not want every small company
in the world deploying JME commercially. Check out the headache Bug
Labs had with that.

I blogged a bit about this: 

So it is fascinating that Eric Schmidt (once the manager of Java
development at Sun!) chose to NOT license JME from Sun (http://
techbleat.blogspot.com/2009/07/what-happened-to-love.html) but to roll
Dalvik instead. I can see why Google chose to step into the present
instead of suffering with limits that made sense 10+ years ago...
still, it's a valid question, and a real shame that Sun could not work
together with Google, IBM, and others to make Squawk or JME much more
like what Android is now. Perhaps that is part of why they got snapped
up by Oracle at a bargain-ba{*filter*}t price, and why my Sun stock is
worth 10% of what I paid.

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