From: David Howells <dhowells@redhat.com>
To: Borislav Petkov <bp@alien8.de>
Cc: dhowells@redhat.com,
Linus Torvalds <torvalds@linux-foundation.org>,
kernel test robot <oliver.sang@intel.com>,
oe-lkp@lists.linux.dev, lkp@intel.com,
linux-kernel@vger.kernel.org,
Christian Brauner <brauner@kernel.org>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>,
Christian Brauner <christian@brauner.io>,
Matthew Wilcox <willy@infradead.org>,
David Laight <David.Laight@aculab.com>,
ying.huang@intel.com, feng.tang@intel.com, fengwei.yin@intel.com
Subject: Re: [linus:master] [iov_iter] c9eec08bac: vm-scalability.throughput -16.9% regression
Date: Fri, 17 Nov 2023 14:12:17 +0000 [thread overview]
Message-ID: <864270.1700230337@warthog.procyon.org.uk> (raw)
In-Reply-To: <20231117113549.GBZVdQFQ7VrfsPd9mV@fat_crate.local>
Borislav Petkov <bp@alien8.de> wrote:
> Hmm, stupid question: are those results better than without that
> oneliner?
Without any changes, I see something like:
iov_kunit_benchmark_bvec: avg 3185 uS, stddev 19 uS
iov_kunit_benchmark_bvec: avg 3186 uS, stddev 9 uS
iov_kunit_benchmark_bvec: avg 3244 uS, stddev 153 uS
iov_kunit_benchmark_bvec_split: avg 3397 uS, stddev 16 uS
iov_kunit_benchmark_bvec_split: avg 3400 uS, stddev 16 uS
iov_kunit_benchmark_bvec_split: avg 3402 uS, stddev 34 uS
iov_kunit_benchmark_kvec: avg 2818 uS, stddev 550 uS
iov_kunit_benchmark_kvec: avg 2906 uS, stddev 21 uS
iov_kunit_benchmark_kvec: avg 2923 uS, stddev 1496 uS
iov_kunit_benchmark_xarray: avg 3564 uS, stddev 6 uS
iov_kunit_benchmark_xarray: avg 3573 uS, stddev 17 uS
iov_kunit_benchmark_xarray: avg 3575 uS, stddev 58 uS
iov_kunit_benchmark_xarray_to_bvec: avg 3929 uS, stddev 9 uS
iov_kunit_benchmark_xarray_to_bvec: avg 3930 uS, stddev 6 uS
iov_kunit_benchmark_xarray_to_bvec: avg 3930 uS, stddev 7 uS
David
next prev parent reply other threads:[~2023-11-17 14:12 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-07 1:40 [linus:master] [iov_iter] c9eec08bac: vm-scalability.throughput -16.9% regression kernel test robot
2023-11-15 12:48 ` David Howells
2023-11-15 13:18 ` David Howells
2023-11-15 15:20 ` David Howells
2023-11-15 16:53 ` Linus Torvalds
2023-11-15 17:38 ` Linus Torvalds
2023-11-15 18:35 ` David Howells
2023-11-15 18:45 ` Linus Torvalds
2023-11-15 19:09 ` Linus Torvalds
2023-11-15 20:54 ` David Howells
2023-11-15 18:38 ` Linus Torvalds
2023-11-15 19:09 ` Borislav Petkov
2023-11-15 19:15 ` Linus Torvalds
2023-11-15 20:07 ` Linus Torvalds
2023-11-16 10:07 ` David Laight
2023-11-16 10:14 ` David Howells
2023-11-16 11:38 ` David Laight
2023-11-15 19:26 ` Linus Torvalds
2023-11-16 15:44 ` Borislav Petkov
2023-11-16 16:44 ` David Howells
2023-11-17 11:35 ` Borislav Petkov
2023-11-17 14:12 ` David Howells [this message]
2023-11-17 16:09 ` Borislav Petkov
2023-11-17 16:32 ` Linus Torvalds
2023-11-17 16:44 ` Linus Torvalds
2023-11-17 19:12 ` Borislav Petkov
2023-11-17 21:57 ` Linus Torvalds
2023-11-20 13:32 ` David Howells
2023-11-20 16:06 ` Linus Torvalds
2023-11-20 16:09 ` David Laight
2023-11-16 16:48 ` Linus Torvalds
2023-11-16 16:58 ` David Laight
2023-11-17 11:44 ` Borislav Petkov
2023-11-17 12:09 ` Jakub Jelinek
2023-11-17 12:18 ` Borislav Petkov
2023-11-17 13:09 ` David Laight
2023-11-17 13:36 ` Linus Torvalds
2023-11-17 15:20 ` David Laight
2023-11-15 21:43 ` David Howells
2023-11-15 21:50 ` Linus Torvalds
2023-11-15 21:59 ` Borislav Petkov
2023-11-15 22:59 ` David Howells
2023-11-16 3:26 ` Linus Torvalds
2023-11-16 16:55 ` David Laight
2023-11-16 17:24 ` Linus Torvalds
2023-11-16 22:53 ` David Laight
2023-11-16 21:09 ` David Howells
2023-11-16 22:36 ` Linus Torvalds
2023-11-20 11:52 ` Borislav Petkov
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