linux-kernel - Re: [PATCH] perf trace: remove redundant ')'

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Date:   Fri, 16 Mar 2018 15:51:09 +0800
From:   "Du, Changbin" <changbin.du@...el.com>
To:     changbin.du@...el.com
Cc:     acme@...nel.org, jolsa@...hat.com, peterz@...radead.org,
        mingo@...hat.com, namhyung@...nel.org,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org
Subject: Re: [PATCH] perf trace: remove redundant ')'

Hi Arnaldo, How about this simple one? Thanks.

On Tue, Mar 13, 2018 at 06:40:01PM +0800, changbin.du@...el.com wrote:
> From: Changbin Du <changbin.du@...el.com>
> 
> There is a redundant ')' at the tail of each event. So remove it.
> $ sudo perf trace --no-syscalls -e 'kmem:*' -a
>    899.342 kmem:kfree:(vfs_writev+0xb9) call_site=ffffffff9c453979 ptr=(nil))
>    899.344 kmem:kfree:(___sys_recvmsg+0x188) call_site=ffffffff9c9b8b88 ptr=(nil))
> 
> Signed-off-by: Changbin Du <changbin.du@...el.com>
> ---
>  tools/perf/builtin-trace.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
> index e7f1b18..7273f5f 100644
> --- a/tools/perf/builtin-trace.c
> +++ b/tools/perf/builtin-trace.c
> @@ -1959,7 +1959,7 @@ static int trace__event_handler(struct trace *trace, struct perf_evsel *evsel,
>  				      trace->output);
>  	}
>  
> -	fprintf(trace->output, ")\n");
> +	fprintf(trace->output, "\n");
>  
>  	if (callchain_ret > 0)
>  		trace__fprintf_callchain(trace, sample);
> -- 
> 2.7.4
> 

-- 
Thanks,
Changbin Du