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Date:	Sat, 5 Apr 2014 19:50:59 +0200
From:	Andi Kleen <>
To:	Jovi Zhangwei <>
Cc:	Alexei Starovoitov <>,
	Ingo Molnar <>, Ingo Molnar <>,
	Steven Rostedt <>,
	Masami Hiramatsu <>,
	Greg KH <>,
	Andi Kleen <>,
	LKML <>
Subject: Re: ktap and ebpf integration

> 4) var i = 0; trace *:* { i += 1}
> Assign global variable in here, there also can assign other
> value not 0, please show me how BPF do this.
> (See complex global usage example in samples/schedule/

That's what I meant. BPF is essentially a statically typed
language. KTAP is dynamically typed. It's a very different

Yes they are both Turing complete and likely could 
be somehow translated into each other, but would
it be efficient and simple? No.

[essentially it's the "UNCOL problem" -- see
One size doesn't fit all in immediate languages]


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