linux-kernel - Re: kernelshark plugins and ftrace array fields

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Message-ID: <1283437521.2356.136.camel@gandalf.stny.rr.com>
Date:	Thu, 02 Sep 2010 10:25:21 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Avi Kivity <avi@...hat.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	KVM list <kvm@...r.kernel.org>
Subject: Re: kernelshark plugins and ftrace array fields

On Thu, 2010-09-02 at 15:19 +0300, Avi Kivity wrote:
> I'd like to add enhance kvm_emulate_insn display in kernelshark to 
> show the disassembly of the instruction being emulated.  However, 
> pevent_get_field_val() doesn't support arrays (the instruction is 
> provided in a 15-byte array).
> 
> Can you add support for arrays in the kernelshark API?  With that, it 
> looks like adding disassembly output to the kvm plugin should be quite 
> simple.
> 

Sure, I could add a pevent_get_field_array() or something. Could you
tell me the event and give me an example of what you want to do.

Thanks,

-- Steve



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