From: kernel test robot <yi1.lai@intel.com>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: oe-lkp@lists.linux.dev, lkp@intel.com,
linux-kernel@vger.kernel.org,
Ravi Bangoria <ravi.bangoria@amd.com>,
Anisse Astier <anisse@astier.eu>,
linux-efi@vger.kernel.org, yi1.lai@intel.com
Subject: [linus:master] [efivarfs] b2326338dc: stress-ng.sysinfo.ops_per_sec 19.5% improvement
Date: Mon, 14 Sep 2026 10:34:02 +0800 [thread overview]
Message-ID: <202609141037.779d7909-lkp@intel.com> (raw)
Hello,
kernel test robot noticed a 19.5% improvement of stress-ng.sysinfo.ops_per_sec on:
commit: b2326338dc683e8c1067c0cbf7a47986c4190902 ("efivarfs: Rate limit statfs() handler") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
testcase: stress-ng
config: x86_64-rhel-9.4
compiler: gcc-14
test machine: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480CTDX (Sapphire Rapids) with 256G memory
parameters:
nr_threads: 100%
testtime: 60s
test: sysinfo
cpufreq_governor: performance
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260914/202609141037.779d7909-lkp@intel.com
=========================================================================================
compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
gcc-14/performance/x86_64-rhel-9.4/100%/debian-13-x86_64-20250902.cgz/lkp-spr-r02/sysinfo/stress-ng/60s
commit:
eb01ffabeb ("efi: apple-properties: validate setup data header length")
b2326338dc ("efivarfs: Rate limit statfs() handler")
eb01ffabeb52251f b2326338dc683e8c1067c0cbf7a
---------------- ---------------------------
%stddev %change %stddev
\ | \
5824 +19.2% 6944 stress-ng.sysinfo.ops
96.86 +19.5% 115.73 stress-ng.sysinfo.ops_per_sec
3.00 +100.0% 6.00 stress-ng.time.percent_of_cpu_this_job_got
Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-09-14 2:34 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202609141037.779d7909-lkp@intel.com \
--to=yi1.lai@intel.com \
--cc=anisse@astier.eu \
--cc=ardb@kernel.org \
--cc=linux-efi@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lkp@intel.com \
--cc=oe-lkp@lists.linux.dev \
--cc=ravi.bangoria@amd.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®