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[184.147.143.99]) by smtp.gmail.com with ESMTPSA id i18sm8197462qke.103.2021.09.14.11.32.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Sep 2021 11:32:37 -0700 (PDT) Date: Tue, 14 Sep 2021 14:32:36 -0400 (EDT) From: John Kacur To: Punit Agrawal cc: punit1.agrawal@toshiba.co.jp, linux-rt-users@vger.kernel.org Subject: Re: [PATCH 4/5] rteval: hackbench.py: Enable running on a system with low memory In-Reply-To: <20210901080816.721731-5-punitagrawal@gmail.com> Message-ID: <64b0ee4c-41d4-9c76-98cf-b2459bdf214@redhat.com> References: <20210901080816.721731-1-punitagrawal@gmail.com> <20210901080816.721731-5-punitagrawal@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org On Wed, 1 Sep 2021, Punit Agrawal wrote: > From: Punit Agrawal > > The hackbench workload refues to run on RockPro64, a hexacore 64bit > Arm board with 4GB memory, complaining about insufficient memory > per-core. > > On further investigation, it turns out that workload is using an > arbitrary limit of 0.75 GB/core but will quite happily run on much > lower lower memory systems. > > Instead of preventing execution, convert the info message to a warning > when the memory is lower than expected but continue execution. This > should enable the workload to be used on a wider range of systems. > > Signed-off-by: Punit Agrawal > --- > rteval/modules/loads/hackbench.py | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/rteval/modules/loads/hackbench.py b/rteval/modules/loads/hackbench.py > index 3b692070e9d9..ab028c495d8b 100644 > --- a/rteval/modules/loads/hackbench.py > +++ b/rteval/modules/loads/hackbench.py > @@ -55,9 +55,8 @@ class Hackbench(CommandLineLoad): > if ratio >= 0.75: > mult = float(self._cfg.setdefault('jobspercore', 2)) > else: > - self._log(Log.INFO, "Low memory system (%f GB/core)! Not running" % ratio) > + self._log(Log.WARN, "Low memory system (%f GB/core)!" % ratio) > mult = 0 > - self._donotrun = True > > sysTop = SysTopology() > # get the number of nodes > -- > 2.32.0 > > Signed-off-by: John Kacur