From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jan Kiszka <jan.kiszka@web.de>
Subject: Re: trace-cmd errors on kvm events
Date: Sat, 09 Apr 2011 01:42:14 +0200
Message-ID: <4D9F9D56.2050109@web.de>
References: <4D9F59AC.6080707@gmail.com> <4D9F790B.2000300@web.de> <4D9F7A4B.3040606@gmail.com> <4D9F7BC0.8010003@web.de> <4D9F99AA.8060803@gmail.com>
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Cc: LKML <linux-kernel@vger.kernel.org>,
	KVM mailing list <kvm@vger.kernel.org>
To: David Ahern <dsahern@gmail.com>
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On 2011-04-09 01:26, David Ahern wrote:
> On 04/08/11 15:18, Jan Kiszka wrote:
>> Let me check... indeed, I'm getting the same file-not-found here with
>> trace-cmd.git 9cce1c9b5b when starting it directly from its build dire=
ctory.
>>
>> But maybe your trace-cmd or kernel versions are too old / incompatible=
=2E
>> I'm not getting complaints about unparseable events with the above
>> snapshot and 2.6.38.
>=20
> 2.6.38.2 kernel, trace-cmd 3e8b5b8 which is March 18 (though git pull
> done this morning).
>=20
> For grins I checked-out 9cce1c9b5b and same error:
> trace-cmd record -e kvm -- sleep 1
> trace-cmd report 2>&1  | less
>=20
> You do have to put stderr onto stdout to see the messages I reported
> earlier. Or look for [FAILED TO PARSE] on the kvm_exit and
> kvm_emulate_insn lines.

I did that.

What I also did is updating trace-cmd git and then reinstalling the
latest plugins: make install_plugins prefix=3D$HOME. They then end up in
$HOME/.trace-cmd/plugins. Now I do not have a single error message
anymore, including that file not found.

Jan


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