Messages in this thread | | | Date | Thu, 18 Jun 2015 22:58:13 +0200 | From | Ingo Molnar <> | Subject | Re: [RFC] hotkey for disabling/enabling events in 'perf top' TUI was Re: [GIT PULL 0/8] perf/core improvements and fixes |
| |
* Arnaldo Carvalho de Melo <acme@kernel.org> wrote:
> Em Thu, Jun 18, 2015 at 09:40:10AM +0200, Ingo Molnar escreveu: > > * Arnaldo Carvalho de Melo <acme@kernel.org> wrote: > > > User visible: > > > > - Allow disabling/enabling events dynamicly in 'perf top': > > > a 'perf top' session can instantly become a 'perf report' > > > one, i.e. going from dynamic analysis to a static one, > > > returning to a dynamic one is possible, to toogle the > > > modes, just press CTRL+z. (Arnaldo Carvalho de Melo) > > > Nice!! :-) > > > Btw., it would be nice if the status line carried information about whether > > collection is 'frozen' or running, at a glance. A hint might also suggest how to > > unfreeze the session - in case someone pressed Ctrl-Z to suspend the perf top > > session ... > > Right, and I think we better find other hotkey and make Ctrl+Z work like > with other tools, i.e. suspend: > > [acme@zoo linux]$ mutt > > [1]+ Stopped mutt > [acme@zoo linux]$ vim > > [2]+ Stopped vim > [acme@zoo linux]$ > > The perf TUI should work like that as well... > > Ideas? > > We already have: > > h/?/F1 Show this window > UP/DOWN/PGUP > PGDN/SPACE Navigate > q/ESC/CTRL+C Exit browser > > For multiple event sessions: > > TAB/UNTAB Switch events > > For symbolic views (--sort has sym): > > -> Zoom into DSO/Threads & Annotate current symbol > <- Zoom out > a Annotate current symbol > C Collapse all callchains > d Zoom into current DSO > D Show some developer debug info > E Expand all callchains > F Toggle percentage of filtered entries > H Display column headers > i Show header information > P Print histograms to perf.hist.N > r Run available scripts > s Switch to another data file in PWD > t Zoom into current Thread > V Verbose (DSO names in callchains, etc) > z Toggle zeroing of samples > / Filter symbol by name
Is 'f' (for 'freeze') still available?
Thanks,
Ingo
| |