From: Kuniyuki Iwashima <kuniyu@amazon.com>
To: <oliver.sang@intel.com>
Cc: <feng.tang@intel.com>, <fengwei.yin@intel.com>, <kuba@kernel.org>,
<kuniyu@amazon.com>, <linux-mm@kvack.org>, <lkp@intel.com>,
<netdev@vger.kernel.org>, <oe-lkp@lists.linux.dev>,
<pabeni@redhat.com>, <ying.huang@intel.com>
Subject: Re: [linux-next:master] [af_unix] dcf70df204: stress-ng.epoll.ops_per_sec -92.6% regression
Date: Wed, 10 Apr 2024 10:40:26 -0700 [thread overview]
Message-ID: <20240410174026.9989-1-kuniyu@amazon.com> (raw)
In-Reply-To: <202404101427.92a08551-oliver.sang@intel.com>
From: kernel test robot <oliver.sang@intel.com>
Date: Wed, 10 Apr 2024 16:08:00 +0800
> Hello,
>
> kernel test robot noticed a -92.6% regression of stress-ng.epoll.ops_per_sec on:
>
>
> commit: dcf70df2048d27c5d186f013f101a4aefd63aa41 ("af_unix: Fix up unix_edge.successor for embryo socket.")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
>
> testcase: stress-ng
> test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory
> parameters:
>
> nr_threads: 100%
> testtime: 60s
> test: epoll
> cpufreq_governor: performance
I'll add few checks so that non-inflight listener need not
hold gc lock during accept().
Thanks!
prev parent reply other threads:[~2024-04-10 17:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-10 8:08 kernel test robot
2024-04-10 17:40 ` Kuniyuki Iwashima [this message]
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