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Re: [tracecompass-dev] Trace Compass Mars.1 release preparation
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Hello Martin
Thanks for the feedback.
In the Trace Compass framework the concept of lost event exists. Every
trace type extension can define an ITmfLostEvent implementation which
basically provides the number of events "lost" in a given time range.
But I don't quite understand the meaning of "... in the LTTng extension as well as in the Histogram view" ?
LTTng CTF traces provide the number of events lost in the trace packet
header. In Trace Compass this data is extracted and passed on as a
ITmfLostEvent and shown for example in the Histogram View or Statistics
view. This feature has been there already for a while. However, before
Trace Compass 1.1 the data was incorrectly extracted from LTTng traces
and also incorrectly displayed in the Histogram view. There were
actually multiple bugs fixed. See bugs 470741, 470754, 470830 and 470851
for that.
Which LTTng extension is meant here ?
The ones that are available in Trace Compass: LTTng Kernel and LTTng
Userspace analysis
Also what version of LTTng is the minimum version required for this ?
I think the lost event information in the packet header of LTTng CTF
traces exists from LTTng 2.0 tracer version on.
BTW, in the upcoming month we will work on also showing the time periods
where events were lost in other views so it's more obvious for the user
when analyzing traces.
Bernd
On 08/14/2015 01:51 AM, Oberhuber, Martin wrote:
Thanks for the N&N, the "lost events" feature looks particularly interesting.
But I don't quite understand the meaning of "... in the LTTng extension as well as in the Histogram view" ?
Which LTTng extension is meant here ?
Also what version of LTTng is the minimum version required for this ?
Also there is a typo, "improvment" should be "improvement" I believe.
Thanks,
Martin
--
Martin Oberhuber, SMTS / Product Owner - Development Tools, Wind River
direct +43.662.457915.85 fax +43.662.457915.6
-----Original Message-----
From: tracecompass-dev-bounces@xxxxxxxxxxx [mailto:tracecompass-dev-bounces@xxxxxxxxxxx] On Behalf Of Bernd Hufmann
Sent: Thursday, August 13, 2015 8:18 PM
To: tracecompass-dev@xxxxxxxxxxx
Subject: [tracecompass-dev] Trace Compass Mars.1 release preparation
Hi all,
Mars.1 release is approaching fast and I would like to share the plan for Trace Compass for the Mars.1 release. Trace Compass project will release version 1.1 for Mars.1
Feature Freeze:
The feature freeze for Mars will be together with the RC1 build of Trace Compass. I'll collect the RC1 build the morning of Wednesday August
19/2015 from branch dev-1.x. This means that any feature that you want to be part of the 1.1 release should be reviewed and merged to dev-1.x before August 19/2015. I'll create the release branch stable-1.1 from dev-1.x right after the same day. Only bug fixes, documentation updates or JUnit tests should be added on this branch afterwards.
Release Testing:
Like every previous release, we'll execute a set of manual test cases to ensure that the features a working properly. For that, a test specification exists and can be found under [1] for reference. Up to know, the tests have been executed by the committers, but if someone else from the community is interested to participate, please let us know.
Release Notes:
I've created the New & Noteworthy pages [2]. I've already started to add some items, but it's not complete. Please feel free to add missing items.
Release Review;
I'll take of the preparation of the release review.
For more information about the Mars simultaneous release, see reference [3].
If you have any questions, please let us know.
Best Regards
Bernd
[1]
https://docs.google.com/spreadsheets/d/1XZ6o9CR3zva7_w6pfDNKtDgTT1yVH8_0jxyV8HI9-ko/edit?usp=sharing
[2] https://wiki.eclipse.org/Trace_Compass/News/NewIn11
[3] https://wiki.eclipse.org/Mars/
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