Re: [PATCH] perf top: Make -g refer to callchains

2013-11-19 Thread Jan Kratochvil
On Tue, 19 Nov 2013 10:26:42 +0100, Jean Pihet wrote: > Do you know about the support of AARCH64, both in 64-bit and 32-bit > (compat) mode? > I would be glad to give it a try. Please move this topic to: https://lists.fedorahosted.org/mailman/listinfo/elfutils-devel aarch64 elfutils port

Re: [PATCH] perf top: Make -g refer to callchains

2013-11-19 Thread Jean Pihet
Hi, On 18 November 2013 21:16, Jan Kratochvil wrote: > On Mon, 18 Nov 2013 18:49:45 +0100, Jiri Olsa wrote: >> I think it's an option.. but it'll simpler to try the libdw >> interface first and see if it's good/fast enough.. > > The elfutils libdw unwinder is being upstreamed these weeks, the x86

Re: [PATCH] perf top: Make -g refer to callchains

2013-11-19 Thread Jean Pihet
Hi, On 18 November 2013 13:59, Arnaldo Carvalho de Melo wrote: > Em Fri, Nov 15, 2013 at 06:46:09AM +0100, Ingo Molnar escreveu: >> btw., here's some 'perf top' call graph performance and profiling >> quality feedback, with the latest perf code: >> >> 'perf top --call-graph fp' now works very wel

Re: [PATCH] perf top: Make -g refer to callchains

2013-11-18 Thread Jan Kratochvil
On Mon, 18 Nov 2013 18:49:45 +0100, Jiri Olsa wrote: > I think it's an option.. but it'll simpler to try the libdw > interface first and see if it's good/fast enough.. The elfutils libdw unwinder is being upstreamed these weeks, the x86* unwinder itself is already upstream now. > also I recall d

Re: [PATCH] perf top: Make -g refer to callchains

2013-11-18 Thread Ingo Molnar
* Jiri Olsa wrote: > On Mon, Nov 18, 2013 at 03:26:53PM +0100, Ingo Molnar wrote: > > > > * Jiri Olsa wrote: > > > > > On Mon, Nov 18, 2013 at 09:59:45AM -0300, Arnaldo Carvalho de Melo wrote: > > > > Em Fri, Nov 15, 2013 at 06:46:09AM +0100, Ingo Molnar escreveu: > > > > > btw., here's some

Re: [PATCH] perf top: Make -g refer to callchains

2013-11-18 Thread Jiri Olsa
On Mon, Nov 18, 2013 at 03:26:53PM +0100, Ingo Molnar wrote: > > * Jiri Olsa wrote: > > > On Mon, Nov 18, 2013 at 09:59:45AM -0300, Arnaldo Carvalho de Melo wrote: > > > Em Fri, Nov 15, 2013 at 06:46:09AM +0100, Ingo Molnar escreveu: > > > > btw., here's some 'perf top' call graph performance an

Re: [PATCH] perf top: Make -g refer to callchains

2013-11-18 Thread Ingo Molnar
* Jiri Olsa wrote: > On Mon, Nov 18, 2013 at 09:59:45AM -0300, Arnaldo Carvalho de Melo wrote: > > Em Fri, Nov 15, 2013 at 06:46:09AM +0100, Ingo Molnar escreveu: > > > btw., here's some 'perf top' call graph performance and profiling > > > quality feedback, with the latest perf code: > > > >

Re: [PATCH] perf top: Make -g refer to callchains

2013-11-18 Thread Jiri Olsa
On Mon, Nov 18, 2013 at 09:59:45AM -0300, Arnaldo Carvalho de Melo wrote: > Em Fri, Nov 15, 2013 at 06:46:09AM +0100, Ingo Molnar escreveu: > > btw., here's some 'perf top' call graph performance and profiling > > quality feedback, with the latest perf code: > > > > 'perf top --call-graph fp' now

Re: [PATCH] perf top: Make -g refer to callchains

2013-11-18 Thread Arnaldo Carvalho de Melo
Em Fri, Nov 15, 2013 at 06:46:09AM +0100, Ingo Molnar escreveu: > btw., here's some 'perf top' call graph performance and profiling > quality feedback, with the latest perf code: > > 'perf top --call-graph fp' now works very well, using just 0.2% > of CPU time on a fast system: > > 4676 mingo

Re: [PATCH] perf top: Make -g refer to callchains

2013-11-14 Thread Ingo Molnar
btw., here's some 'perf top' call graph performance and profiling quality feedback, with the latest perf code: 'perf top --call-graph fp' now works very well, using just 0.2% of CPU time on a fast system: 4676 mingo 20 0 612m 56m 9948 S 1 0.2 0:00.68 perf

Re: [PATCH] perf top: Make -g refer to callchains

2013-11-14 Thread Ingo Molnar
* David Ahern wrote: > --- a/tools/perf/Documentation/perf-top.txt > +++ b/tools/perf/Documentation/perf-top.txt > @@ -143,12 +142,12 @@ Default is to monitor all CPUS. > --asm-raw:: > Show raw instruction encoding of assembly instructions. > > --G:: > +-g:: > Enables call-graph (

[PATCH] perf top: Make -g refer to callchains

2013-11-14 Thread David Ahern
In most commands -g is used for callchains. Make perf-top follow suit. Move group to just --group with no short cut making it similar to perf-record. Signed-off-by: David Ahern Cc: Ingo Molnar Cc: Frederic Weisbecker Cc: Jiri Olsa Cc: Namhyung Kim --- tools/perf/Documentation/perf-top.txt |