linux-kernel - Re: [PATCH 4/4] perf bench: Fix div-by-zero if runtime is zero

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Message-ID: <20200420120533.GA14597@kernel.org>
Date:   Mon, 20 Apr 2020 09:05:33 -0300
From:   Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Tommi Rantala <tommi.t.rantala@...ia.com>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Darren Hart <dvhart@...radead.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] perf bench: Fix div-by-zero if runtime is zero

Em Mon, Apr 20, 2020 at 11:05:26AM +0200, Jiri Olsa escreveu:
> On Fri, Apr 17, 2020 at 04:23:29PM +0300, Tommi Rantala wrote:
> > Fix div-by-zero if runtime is zero:
> > 
> >   $ perf bench futex hash --runtime=0
> >   # Running 'futex/hash' benchmark:
> >   Run summary [PID 12090]: 4 threads, each operating on 1024 [private] futexes for 0 secs.
> >   Floating point exception (core dumped)
> > 
> > Signed-off-by: Tommi Rantala <tommi.t.rantala@...ia.com>
> 
> Acked-by: Jiri Olsa <jolsa@...hat.com>

Thanks, applied,

- Arnaldo