Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Tue, 21 Nov 2017 12:35:50 -0200
From:   Arnaldo Carvalho de Melo <acme@redhat.com>
To:     Stephane Eranian <eranian@google.com>
Cc:     LKML <linux-kernel@vger.kernel.org>, Jiri Olsa <jolsa@redhat.com>,
        Peter Zijlstra <peterz@infradead.org>, mingo@elte.hu,
        Andi Kleen <ak@linux.intel.com>,
        David Ahern <dsahern@gmail.com>
Subject: Re: [RFC] perf script: modify field selection option
Message-ID: <20171121143550.GA2187@redhat.com>
References: <CABPqkBQtXcbaimPYf9-QNHQgakJFx7SjGStbDLZ1wKPYYSxzZg@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <CABPqkBQtXcbaimPYf9-QNHQgakJFx7SjGStbDLZ1wKPYYSxzZg@mail.gmail.com>
User-Agent: Mutt/1.5.20 (2009-12-10)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Em Mon, Nov 20, 2017 at 12:53:04PM -0800, Stephane Eranian escreveu:
> Hi,
> 
> I have been using the perf script -F option on the latest perf and I
> find it not very convenient to use. I appreciate the + and - prefix to
> field names to add or suppress them. But most of the time, I want to
> print only one or two fields and I have to guess which ones are there
> by default so I can suppress them. I think there should be a way to
> say: start from no fields. I understand why you have default to
> maintain compatibility with older perf script but I would like a
> syntax to say: remove defaults. For instance:
> 
> $ perf script -F --,+ip,+syms .....
> 
> Where -- would mean drop all defaults.

 $ perf script -F -*,+ip,+syms

But perhaps using a new option and do away with all those prefixes?

- Arnaldo

From 1584686736441338446@xxx Tue Nov 21 14:37:20 +0000 2017
X-GM-THRID: 1584619914255435599
X-Gmail-Labels: Inbox,Category Forums,HistoricalUnread