Re: [PATCH] perf tools: Delay loading symtabs till we hit a mapwith it

[Ingo Molnar]

* Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxx> wrote:

> From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> 
> So that we can have a quicker start on perf top and even speedups in the
> other tools, as we can have maps with no hits, so no need to load its
> symtabs.
> 
> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Cc: Paul Mackerras <paulus@xxxxxxxxx>
> Cc: Mike Galbraith <efault@xxxxxx>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> ---
>  tools/perf/builtin-annotate.c |    4 ++--
>  tools/perf/builtin-report.c   |    4 ++--
>  tools/perf/builtin-top.c      |    5 ++---
>  tools/perf/util/event.h       |    4 +++-
>  tools/perf/util/map.c         |   40 ++++++++++++++++++++++++----------------
>  tools/perf/util/symbol.c      |   16 +++++++++-------
>  tools/perf/util/symbol.h      |    4 ++--
>  7 files changed, 44 insertions(+), 33 deletions(-)

ok, that's a really nice feature - i noticed the occasional symtab 
loading overhead in tools.

	Ingo
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