linux-kernel - Re: [PATCH v2] perf sched timehist: Improve error message when analyzing wrong file

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Message-ID: <20161206161404.GF2399@kernel.org>
Date:   Tue, 6 Dec 2016 13:14:04 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     David Ahern <dsahern@...il.com>
Cc:     Namhyung Kim <namhyung@...nel.org>, mingo@...nel.org,
        peterz@...radead.org, jolsa@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] perf sched timehist: Improve error message when
 analyzing wrong file

Em Mon, Dec 05, 2016 at 03:41:54PM -0800, David Ahern escreveu:
> On 11/29/16 9:31 PM, Namhyung Kim wrote:
> > On 11/30/16, David Ahern <dsahern@...il.com> wrote:
> >> Arnaldo reported an unhelpful error message when running perf sched
> >> timehist on a file that did not contain sched tracepoints:
> >>     root@...-vbox:/tmp$ perf sched timehist
> >>     No sched_switch events found. Have you run 'perf sched record'?
> >>
> >> Signed-off-by: David Ahern <dsahern@...il.com>
> > 
> > Acked-by: Namhyung Kim <namhyung@...nel.org>
> > 
> > Thanks,
> > Namhyung
> > 
> 
> Arnaldo: I think this one has been overlooked

Ooops, Reported-and-Forgot-by: Arnaldo, ok, tested, applied, thanks!

- Arnaldo