Re: [PATCHSET 0/7] perf tools: A couple of TUI improvements (v2)

From: Ingo Molnar
Date: Mon Dec 23 2013 - 08:06:19 EST



* Namhyung Kim <namhyung@xxxxxxxxxx> wrote:

> > - it would be nice to have a hotkey to start/stop data collection on
> > demand, and another hotkey to reset the data. SysProf has this
> > feature, and it's a convenient workflow to have a separate 'data
> > collection' period (possibly done without any screen refresh, so
> > that data collection does not disturb the measured workload), and
> > a quiet 'look at all the data that is not being changed' period.
> > Especially with fast changing workloads the latter can be useful.
>
> I'm not sure I understood correctly. So do you want start/stop the
> 'record' part or 'report' part with hotkeys?

The 'record' part - a bit like SysProf.

> > - it would be nice if 'perf report' had a 'view raw trace' window as
> > well, with filtering. That would be roughly equivalent to the 'perf
> > report -D' output [but one line per trace entry, i.e. no hex dump
> > shown by default], all available within the TUI. With filtering
> > that would be a pretty good way to look at various details.
>
> Do you want something like 'perf script'? :)

Or perf trace, just in a TUI ;-)

Thanks,

Ingo
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