From: Ingo Molnar <mingo@kernel.org>
To: Uros Bizjak <ubizjak@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@intel.com>,
x86@kernel.org, linux-kernel@vger.kernel.org,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Linus Torvalds <torvalds@linuxfoundation.org>
Subject: Re: [PATCH -tip] x86/locking/atomic: Use asm_inline for atomic locking insns
Date: Wed, 5 Mar 2025 21:21:44 +0100 [thread overview]
Message-ID: <Z8iyWHyYt6bfo_mO@gmail.com> (raw)
In-Reply-To: <CAFULd4bDSh7fzm8xmMzn0YzF0pr=mLvzb9dVYhCajyXx=XBrtA@mail.gmail.com>
* Uros Bizjak <ubizjak@gmail.com> wrote:
> I simply run the lmbench command, where the benchmark was obtained as
> .rpm for Fedora 41 [1], assuming that the benchmark itself sets the
> benchmarked system to the correct state and does enough repetitions
> to obtain a meaningful result [2].
These assumptions are not valid in a lot of cases - see my other email
with an example.
Thanks,
Ingo
next prev parent reply other threads:[~2025-03-05 20:21 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-28 12:35 [PATCH -tip] x86/locking/atomic: Use asm_inline for atomic locking insns Uros Bizjak
2025-02-28 13:13 ` Uros Bizjak
2025-02-28 16:48 ` Dave Hansen
2025-02-28 22:31 ` Uros Bizjak
2025-02-28 22:58 ` Dave Hansen
2025-03-01 9:05 ` Uros Bizjak
2025-03-01 12:38 ` Borislav Petkov
2025-03-05 8:54 ` Uros Bizjak
2025-03-05 17:04 ` Linus Torvalds
2025-03-05 19:40 ` Peter Zijlstra
2025-03-05 19:47 ` Uros Bizjak
2025-03-05 22:18 ` David Laight
2025-03-05 20:14 ` David Laight
2025-03-06 10:45 ` Uros Bizjak
2025-03-06 13:07 ` Uros Bizjak
2025-03-06 22:19 ` Ingo Molnar
2025-03-08 7:22 ` Uros Bizjak
2025-03-08 19:15 ` H. Peter Anvin
2025-03-05 19:55 ` Ingo Molnar
2025-03-05 20:13 ` Uros Bizjak
2025-03-05 20:21 ` Ingo Molnar [this message]
2025-03-06 9:38 ` Uros Bizjak
2025-03-05 20:20 ` Ingo Molnar
2025-03-06 10:52 ` Dirk Gouders
2025-03-06 10:59 ` Ingo Molnar
2025-03-05 20:36 ` Borislav Petkov
2025-03-05 21:26 ` Peter Zijlstra
2025-03-06 9:01 ` Uros Bizjak
2025-03-06 9:43 ` kernel: Current status of CONFIG_CC_OPTIMIZE_FOR_SIZE=y (was: Re: [PATCH -tip] x86/locking/atomic: Use asm_inline for atomic locking insns) Ingo Molnar
2025-03-06 10:37 ` Arnd Bergmann
2025-03-06 20:37 ` David Laight
2025-03-03 13:12 ` [PATCH -tip] x86/locking/atomic: Use asm_inline for atomic locking insns David Laight
2025-03-02 20:56 ` Uros Bizjak
2025-03-03 12:23 ` Uros Bizjak
2025-03-08 19:08 ` H. Peter Anvin
2025-03-09 7:50 ` Uros Bizjak
2025-03-09 9:46 ` David Laight
2025-03-09 9:57 ` Uros Bizjak
2025-03-06 9:57 ` Ingo Molnar
2025-03-06 10:26 ` Uros Bizjak
2025-03-06 10:38 ` Ingo Molnar
2025-03-06 10:50 ` Ingo Molnar
2025-03-06 13:56 ` Uros Bizjak
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