Re: [tracecompass-dev] Polytechnique Plan for Neon

[Matthew Khouzam <matthew.khouzam@xxxxxxxxxxxx>]

On 16-03-24 09:56 AM, Geneviève Bastien wrote:
> Hello all,
>
> With Neon coming soon, here's the list of things we, at Poly, will be
> working on until then and hope to have in time. Just let us know if you
> [plan to] do work on it first:
>
> * New features *
> - Input/Output Analysis: Analyses disk requests and file read/write per
> process. A first part should be available for Neon, along with 1 or 2
> views (Disk Usage, and Disk Requests). This feature will be presented in
> details in another mail.
This may have some overlap with what I am working on.
Right now I am aiming to improve the memory performance of segment
stores. The path chosen at this moment is to put everything in the state
system. The technologies involved are:

* Pooled attributes
* Custom interval types
* Adding "getNbIntervals" to the state system? (allowing streaming
* A state system wrapped segment store

Please tell me if these are no-gos.

> - XY graph improvements? If there's time, make those views more dynamic,
> select series, be able to enable/disable series from the legend, move
> the legend to a TreeViewer? I'll write a proposal on the ML.
>
> * API cleanup *
> - Analysis requirements: Some patches are under review. Once they are
> in, the full API of requirements can be revisited
> - XML: Most classes, if not all, should be internal. Also, see if the
> new pattern syntax can totally replace the current stateProvider, in
> which case, we won't have to support 2 syntaxes (or move the old one to
> legacy).
>
> * bug fixes *
> - Critical path: save the execution graph to disk; fix behavior when a
> time range is selected (at least make it coherent to the user); fix the
> time scale of the view that should be the same as the trace's; fix the
> fact that it blocks the main thread
> - XML: There's a lot of error logging when running an analysis. See why
> and fix
> - Dependent analysis: bug 488757
>
> * Documentation *
> - IO analysis
> - Critical path
>
> Best regards,
> Geneviève
>
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