Re: [PATCH 2/2] perf tool: add container identifier entry related changes

[Peter Zijlstra]

On Thu, Aug 25, 2016 at 05:28:03PM +0530, Hari Bathini wrote:
> diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
> index d9b80ef..d35fbd3 100644
> --- a/tools/perf/util/evsel.c
> +++ b/tools/perf/util/evsel.c
> @@ -929,6 +929,8 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts,
>  	if (opts->sample_transaction)
>  		perf_evsel__set_sample_bit(evsel, TRANSACTION);
>  
> +	perf_evsel__set_sample_bit(evsel, CID);
> +
>  	if (opts->running_time) {
>  		evsel->attr.read_format |=
>  			PERF_FORMAT_TOTAL_TIME_ENABLED |

Does this mean its enabled by default? Why? By growing the default
sample to include everything under the sun we make profiling slower for
everyone.