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From: "Alex Bennée" <alex.bennee@linaro.org>
To: Mohamad Gebai <mohamad.gebai@polymtl.ca>
Cc: qemu-devel@nongnu.org, Mohamad Gebai <mohamad.gebai@gmail.com>
Subject: Re: [Qemu-devel] [RFC PATCH v3 4/5] Update documentation for LTTng ust tracing
Date: Wed, 16 Oct 2013 13:05:47 +0100	[thread overview]
Message-ID: <p1d2n5ju90.fsf@linaro.org> (raw)
In-Reply-To: <525D6832.9060703@polymtl.ca>


mohamad.gebai@polymtl.ca writes:

>> Running this gives me:
>>
>> <quote>
>> UST events:
>> -------------
>> None
>> </quote>
>>
>> Before or after running qemu. What is the mechanism lttng expects to
>> find out all these events?
>
> Either the user should belong the group "tracing", or launch the 
> lttng-sessiond daemon (lttng-sessiond -d).
<snip>

Hmm I've done both and I get nothing still. I can enable all tracepoints
though. This could just be a Ubuntu weirdness thing though.

I'm not sure if mentioning the group/daemon requirements in the tracing
doc is required though. I guess these things can be a little
package/distro specific? 

-- 
Alex Bennée

  reply	other threads:[~2013-10-16 12:05 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-14 18:35 [Qemu-devel] [RFC PATCH v3 0/5] Fix UST backend for LTTng 2.x Mohamad Gebai
2013-10-14 18:35 ` [Qemu-devel] [RFC PATCH v3 1/5] Fix configure script " Mohamad Gebai
2013-10-16 12:06   ` Alex Bennée
2013-10-14 18:35 ` [Qemu-devel] [RFC PATCH v3 2/5] Modified the tracetool framework " Mohamad Gebai
2013-10-16 12:06   ` Alex Bennée
2013-10-14 18:35 ` [Qemu-devel] [RFC PATCH v3 3/5] Adapt Makefiles to the new LTTng ust interface Mohamad Gebai
2013-10-16 12:08   ` Alex Bennée
2013-10-17  1:04     ` Mohamad Gebai
2013-10-14 18:35 ` [Qemu-devel] [RFC PATCH v3 4/5] Update documentation for LTTng ust tracing Mohamad Gebai
2013-10-15 11:21   ` Alex Bennée
2013-10-15 16:07     ` Mohamad Gebai
2013-10-16 12:05       ` Alex Bennée [this message]
2013-10-17  1:02         ` Mohamad Gebai
2013-10-17  9:20           ` Alex Bennée
2013-10-18  6:38             ` Mohamad Gebai
2013-10-14 18:35 ` [Qemu-devel] [RFC PATCH v3 5/5] Add ust generated files to .gitignore Mohamad Gebai
2013-10-16 12:08   ` Alex Bennée

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