linux-kernel - Re: trace-cmd problem with FC19

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Message-ID: <CAEKwDSAucy8NziB=mcem7we9vnGHe=cWt-4Q1X7+Vt5dokY19A@mail.gmail.com>
Date:	Thu, 17 Oct 2013 16:43:08 -0400
From:	Bob Copeland <me@...copeland.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Arend van Spriel <arend@...adcom.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: trace-cmd problem with FC19

[sorry, resent for the archives, I failed email]
On Thu, Oct 17, 2013 at 4:20 PM, Steven Rostedt <rostedt@...dmis.org> wrote:
> On Thu, 17 Oct 2013 22:07:15 +0200
> "Arend van Spriel" <arend@...adcom.com> wrote:
>
>
>> > Does recording other traces work? Or is it only spicific to this module?
>>
>> It seems a generic issue:
>>
>> $ sudo trace-cmd record -e ext4:* ls
>> /sys/kernel/debug/tracing/events/ext4/*/filter
>> systemd-private-6pVB5L        systemd-private-KdpFqS  trace.dat.cpu0  trace.dat.cpu2
>> systemd-private-9hedRD        trace.dat               trace.dat.cpu1  trace.dat.cpu3
>> trace-cmd: Interrupted system call
>>    recorder error in splice input
>> trace-cmd: Interrupted system call
>>    recorder error in splice input
>> trace-cmd: Interrupted system call
>>    recorder error in splice input

Perhaps this is an instance of this bug?

https://lkml.org/lkml/2013/5/31/426

tl;dr try with latest trace-cmd?  I hit the above myself.

-- 
Bob Copeland %% www.bobcopeland.com
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