Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1168289
| From | Ingo Molnar <mingo@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC] hotkey for disabling/enabling events in 'perf top' TUI was Re: [GIT PULL 0/8] perf/core improvements and fixes |
| Date | 2015-06-18 23:00 +0200 |
| Message-ID | <pCP4K-2Tq-13@gated-at.bofh.it> (permalink) |
| References | <pCt4e-51d-5@gated-at.bofh.it> <pCCKd-1XC-5@gated-at.bofh.it> <pCOs1-2aq-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
* 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[GIT PULL 0/8] perf/core improvements and fixes Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-06-17 23:30 +0200
[PATCH 4/8] perf probe: Show usage even if the last event is skipped Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-06-17 23:30 +0200
Re: [GIT PULL 0/8] perf/core improvements and fixes Ingo Molnar <mingo@kernel.org> - 2015-06-18 09:50 +0200
[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> - 2015-06-18 22:20 +0200
Re: [RFC] hotkey for disabling/enabling events in 'perf top' TUI was Re: [GIT PULL 0/8] perf/core improvements and fixes Ingo Molnar <mingo@kernel.org> - 2015-06-18 23:00 +0200
Re: [RFC] hotkey for disabling/enabling events in 'perf top' TUI was Re: [GIT PULL 0/8] perf/core improvements and fixes Ingo Molnar <mingo@kernel.org> - 2015-06-19 08:30 +0200
csiph-web