linux-kernel - Re: [PATCH] perf, tools, script: Allow adding and removing fields

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Message-ID: <20170509170534.GA17318@krava>
Date:   Tue, 9 May 2017 19:05:34 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Andi Kleen <andi@...stfloor.org>
Cc:     acme@...nel.org, jolsa@...nel.org, linux-kernel@...r.kernel.org,
        Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH] perf, tools, script: Allow adding and removing fields

On Tue, May 09, 2017 at 07:36:37AM -0700, Andi Kleen wrote:

SNIP

> +				} else {
> +					if (change == REMOVE)
> +						output[j].fields &= ~all_output_options[i].field;
> +					else
> +						output[j].fields |= all_output_options[i].field;
> +				}
>  			}
>  		} else {
>  			if (output[type].invalid_fields & all_output_options[i].field) {
> @@ -1826,10 +1852,15 @@ static int parse_output_fields(const struct option *opt __maybe_unused,
>  				 "Events will not be displayed.\n", event_type(type));
>  		}
>  	}
> +	goto out;
>  
> +out_badmix:
> +	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
> +	rc = -EINVAL;
>  out:
>  	free(str);
>  	return rc;
> +
>  }

extra new line, but I guess Arnaldo could remove that ;-)

Acked-by: Jiri Olsa <jolsa@...nel.org>

thanks,
jirka