linux-kernel - Re: [PATCH 4/6] perf report: hint .perfconfig error when invalid sorting key

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Date:   Thu, 13 Apr 2017 11:53:50 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     David Carrillo-Cisneros <davidcc@...gle.com>
Cc:     Jiri Olsa <jolsa@...hat.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>, Simon Que <sque@...omium.org>,
        Wang Nan <wangnan0@...wei.com>, Jiri Olsa <jolsa@...nel.org>,
        He Kuang <hekuang@...wei.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Stephane Eranian <eranian@...gle.com>,
        Paul Turner <pjt@...gle.com>
Subject: Re: [PATCH 4/6] perf report: hint .perfconfig error when invalid
 sorting key

Em Wed, Apr 12, 2017 at 09:34:37AM -0700, David Carrillo-Cisneros escreveu:
> > On Tue, Apr 11, 2017 at 11:49:17PM -0700, David Carrillo-Cisneros wrote:
> >> My fat-fingering of sort keys in .perfconfig was a common cause of
> >> perf report silently terminating without apparent error.
> >>
> >> This was because 1) error in setup_sorting in cmd_report was ignored
> >> and 2) no message was log in UI browser that would prevent UI from
> >> exit before user prompt. Fix both.
> >
> > there's UI init ahead of this code.. I had to move it
> > below your code to spot any error message
> >
> > there's other errors further on.. perhaps we should move it even further ;-)
> > or cancel the ui before the error is printed
> 
> Probably canceling ui on error is the more robust way to go. I will
> look into it.

So I'll wait for a v2 for this specific patch.