Re: [RFC PATCH net-next 1/4] perf tools: Enable pre-event inherit setting by config terms

[Jiri Olsa <jolsa@redhat.com>]

On Wed, Oct 28, 2015 at 10:55:02AM +0000, Wang Nan wrote:

SNIP

> diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
> index f820906..397fb4e 100644
> --- a/tools/perf/util/evsel.c
> +++ b/tools/perf/util/evsel.c
> @@ -653,6 +653,15 @@ static void apply_config_terms(struct perf_evsel *evsel,
>  		case PERF_EVSEL__CONFIG_TERM_STACK_USER:
>  			dump_size = term->val.stack_user;
>  			break;
> +		case PERF_EVSEL__CONFIG_TERM_INHERIT:
> +			/*
> +			 * attr->inherit should has already been set by
> +			 * perf_evsel__config. If user explicitly set
> +			 * inherit using config terms, override global
> +			 * opt->no_inherit setting.
> +			 */
> +			attr->inherit = term->val.inherit ? 1 : 0;
> +			break;
>  		default:
>  			break;
>  		}
> diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
> index 9a95e73..e402f83 100644
> --- a/tools/perf/util/evsel.h
> +++ b/tools/perf/util/evsel.h
> @@ -43,6 +43,7 @@ enum {
>  	PERF_EVSEL__CONFIG_TERM_TIME,
>  	PERF_EVSEL__CONFIG_TERM_CALLGRAPH,
>  	PERF_EVSEL__CONFIG_TERM_STACK_USER,
> +	PERF_EVSEL__CONFIG_TERM_INHERIT,
>  	PERF_EVSEL__CONFIG_TERM_MAX,
>  };
>  
> @@ -55,6 +56,7 @@ struct perf_evsel_config_term {
>  		bool	time;
>  		char	*callgraph;
>  		u64	stack_user;
> +		u64	inherit;

seems like bool would be enough

jirka