Messages in this thread | | | Date | Sun, 22 Aug 2010 11:11:23 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 1/2] perf tools: Add --tui and --stdio to choose the UI |
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Em Sun, Aug 22, 2010 at 04:20:03AM -0400, Christoph Hellwig escreveu: > On Sat, Aug 21, 2010 at 03:26:58PM -0300, Arnaldo Carvalho de Melo wrote: > > > Btw, am I the only one that doesn't find the next interface too helpful? > > > In general the line oriented interface seem to present the information > > > much better, and in the cases where it gets too complicated the newt
> > Much better how, exactly?
> - it uses the space available in a terminal window much more > efficiently. Output starts in row 0, column 0 and expands all the > way that's needed. > - it incluses a descruption of what the columns of output mean > - it provides percentages for the individual callchains parts after > branching out > - in graph/fractal modes there are lines that show how the parts > are connected, making it possible to read the output, unlinke > the TUI mode where the "expanind" nodes are very hard to follow. > - just running perf reports gets an overview of all callchains instead > of having to expand dozens of things > - the colour scheme is the normal shell one (light gray on black for > me) instead of one hurting the eyes
All good points, will work on them, thanks for pointing them out!
> > > > interface doesn't really helper either. A real gtk/qt interface with > > > a proper tree widget would seem like the more useful interface for that. > > > > What would a gtk/qt interface buy us that is not present on the TUI > > right now? > > Generally for tree/graph like data structures a real X GUI provides much > nicer rendering. It'll allow to render the connected lines just as in > the line oriented interface, but in a nicer way using real thin lines
Cool, connected lines is something that indeed has to happen, just like mutt in threaded mode, will work on that.
> in a tree widget. It'll also genereally allow better text placement > in the window compared to the single centered window in the newt > interface. Also the GUI programs follow the common color scheme of the > rest of the desktop instead of hurting your eye. In addition to that
Lets stop hurting eyes!
> scrollbars (horizontal / vertical) are a lot more intuitive in a typical > X GUI than in newt.
Ok, thanks for the detailed description of the problems.
- Arnaldo
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