Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1637584

Re: [PATCH v2 4/4] perf config: Automatically create config file if not exists when setting config

Show all headers | View raw

Em Mon, May 08, 2017 at 08:07:49PM +0900, Taeung Song escreveu:
> When setting config key-value pairs,
> if user or system config files are nonexistent,
> currently perf-config's setting didn't work right.

"currently doesn't work right" is too vague? In what way it doesn't
work? What happens? Can you rephrase this to describe what is going
wrong and how it should behave instead?

> So automatically create a config file on the situation.
> 
> Before:
> 
>   $ rm -f ~/.perfconfig && perf config --user report.children=false
> 
>   $ cat ~/.perfconfig
>   cat: /root/.perfconfig: No such file or directory
> 
> After:
> 
>   $ rm -f ~/.perfconfig && perf config --user report.children=false
> 
>   $ cat ~/.perfconfig
>   # this file is auto-generated.
>   [report]
>       children = false
> 
> NOTE:
> Even if not free config_set after perf_config_set__init() failed,
> it'll be freed at the tail end (i.e. by perf_config_set__delete()
> at the end of cmd_config()).
> 
> Cc: Jiri Olsa <jolsa@kernel.org>
> Cc: Namhyung Kim <namhyung@kernel.org>
> Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
> ---
>  tools/perf/util/config.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
> index 8d724f0..1cc5d80 100644
> --- a/tools/perf/util/config.c
> +++ b/tools/perf/util/config.c
> @@ -691,10 +691,7 @@ struct perf_config_set *perf_config_set__new(void)
>  
>  	if (set) {
>  		INIT_LIST_HEAD(&set->sections);
> -		if (perf_config_set__init(set) < 0) {
> -			perf_config_set__delete(set);
> -			set = NULL;
> -		}
> +		perf_config_set__init(set);
>  	}
>  
>  	return set;
> -- 
> 2.7.4

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH v2 4/4] perf config: Automatically create config file if not exists when setting config Taeung Song <treeze.taeung@gmail.com> - 2017-05-08 13:10 +0200
  Re: [PATCH v2 4/4] perf config: Automatically create config file if  not exists when setting config Arnaldo Carvalho de Melo <acme@kernel.org> - 2017-05-08 18:50 +0200
    Re: [PATCH v2 4/4] perf config: Automatically create config file if  not exists when setting config Taeung Song <treeze.taeung@gmail.com> - 2017-05-09 00:20 +0200

csiph-web