Re: [PATCH 7/7] perf report: Enable group view with hierarchy

From: Arnaldo Carvalho de Melo
Date: Mon Sep 12 2016 - 10:28:54 EST


Em Mon, Sep 12, 2016 at 03:19:58PM +0900, Namhyung Kim escreveu:
> Now all missing pieces are implemented, let's enable it. An example
> output below:

So. what are those events? What was the command line that produced the
'perf.data' file that was used?

- Arnaldo

> $ perf report --hierarchy --stdio
> ...
> # Overhead Command / Shared Object / Symbol
> # ...................... ..................................
> #
> 25.74% 27.18% sh
> 19.96% 24.14% libc-2.24.so
> 9.55% 14.64% [.] __strcmp_sse2
> 1.54% 0.00% [.] __tfind
> 1.07% 1.13% [.] _int_malloc
> 0.95% 0.00% [.] __strchr_sse2
> 0.89% 1.39% [.] __tsearch
> 0.76% 0.00% [.] strlen
> ...
>
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
> ---
> tools/perf/builtin-report.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
> index 1a07c4cdf6ed..6e88460cd13d 100644
> --- a/tools/perf/builtin-report.c
> +++ b/tools/perf/builtin-report.c
> @@ -935,7 +935,6 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
>
> if (symbol_conf.report_hierarchy) {
> /* disable incompatible options */
> - symbol_conf.event_group = false;
> symbol_conf.cumulate_callchain = false;
>
> if (field_order) {
> --
> 2.9.3