From mboxrd@z Thu Jan  1 00:00:00 1970
From: mathieu.desnoyers@efficios.com (Mathieu Desnoyers)
Date: Mon, 25 Apr 2016 20:11:59 +0000 (UTC)
Subject: [lttng-dev] [PATCH lttng-ust] Doc: Update README
In-Reply-To: <1961297700.69109.1461614802005.JavaMail.zimbra@efficios.com>
References: <1461611288-9287-1-git-send-email-mjeanson@efficios.com>
 <1930112225.69079.1461613991851.JavaMail.zimbra@efficios.com>
 <1961297700.69109.1461614802005.JavaMail.zimbra@efficios.com>
Message-ID: <1453868433.69132.1461615119451.JavaMail.zimbra@efficios.com>

----- On Apr 25, 2016, at 4:06 PM, Michael Jeanson mjeanson at efficios.com wrote:

> ----- On Apr 25, 2016, at 3:53 PM, Mathieu Desnoyers
> mathieu.desnoyers at efficios.com wrote:
> 
>> ----- On Apr 25, 2016, at 3:08 PM, Michael Jeanson mjeanson at efficios.com wrote:
>> 
>>> Signed-off-by: Michael Jeanson <mjeanson at efficios.com>
>>> ---
>>> README.md | 14 +++++++++-----
>>> 1 file changed, 9 insertions(+), 5 deletions(-)
>>> 
>>> diff --git a/README.md b/README.md
>>> index a2d9e63..728c103 100644
>>> --- a/README.md
>>> +++ b/README.md
>>> @@ -33,7 +33,7 @@ compile the Git repository tree:
>>> 
>>> ### Optional dependencies
>>> 
>>> -Optional packages to build LTTng-tools man pages:
>>> +Optional packages to build LTTng-ust man pages:
>>> 
>>>   - **[AsciiDoc](http://www.methods.co.nz/asciidoc/) >= 8.4.5**
>>>     (previous versions may work, but were not tested)
>>> @@ -225,15 +225,19 @@ This package contains the following elements:
>>>     It _has_ to be preloaded in order to hijack calls. In contrast,
>>>     `liblttng-ust` may be linked at build time.
>>>   - `liblttng-ust-java`: a simple library that uses JNI to allow tracing
>>> -    in Java programs.
>>> -  - `liblttng-ust-jul`: a package that includes a JNI library and a JAR
>>> -    library to provide an LTTng-UST logging back-end for Java application
>>> -    using Java Util Logging.
>>> +    in Java programs. (Deprecated)
>> 
>> Is it really deprecated ?
> 
> Well, you tell me but I was lead to believe it would be removed once the java
> agent was stable and feature complete. As far as I know, it is untested and
> not even built in the CI.

This JNI interface is probably faster than going through the JUL/log4j agents.
Therefore, there appears to be legitimate use-cases for it. If tests/CI integration
are missing, we should eventually add those.

But AFAIK, it is not deprecated.

Thanks,

Mathieu

> 
>> 
>> Mathieu
>> 
>>> +  - `liblttng-ust-java-agent`: a package that includes a JNI library and a
>>> +    JAR library to provide an LTTng-UST logging back-end for Java
>>> +    applications using Java Util Logging or Log4j.
>>>   - `liblttng-ust-libc-wrapper`: an example library that can be
>>>     preloaded to instrument some calls to libc (currently `malloc()` and
>>>     `free()`) and to POSIX threads (mutexes currently instrumented) in
>>>     any program without need to recompile it.
>>> +  - `liblttng-ust-python-agent`: a library used by python-lttngust to allow
>>> +    tracing in Python applications.
>>>   - `libringbuffer`: the ring buffer implementation used within LTTng-UST.
>>> +  - `python-lttngust`: a package to provide an LTTng-UST logging back-end
>>> +    for Python applications using the standard logging framework.
>>>   - `snprintf`: an asynchronous signal-safe version of `snprintf()`.
>>>   - `tests`: various test programs.
>>>   - `tools`: home of `lttng-gen-tp`.
>>> --
>>> 2.7.4
>> 
>> --
>> Mathieu Desnoyers
>> EfficiOS Inc.
> > http://www.efficios.com

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com