From: Ingo Molnar <mingo@kernel.org>
To: Shile Zhang <shile.zhang@linux.alibaba.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Michal Marek <michal.lkml@markovi.net>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, "H . Peter Anvin" <hpa@zytor.com>,
linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org
Subject: Re: [RFC PATCH v3 0/7] Speed booting by sorting ORC unwind tables at build time
Date: Fri, 15 Nov 2019 08:25:11 +0100 [thread overview]
Message-ID: <20191115072511.GA114447@gmail.com> (raw)
In-Reply-To: <20191115064750.47888-1-shile.zhang@linux.alibaba.com>
* Shile Zhang <shile.zhang@linux.alibaba.com> wrote:
> Hi,
>
> I refactored the sortextable code and add ORC unwind tables sort
> support, for kernel boot speedup by sorting kernel tables at build time
> as much as possible.
>
> Followed Peter's suggestion, I put ORC tables sort into a separated
> thread makes these tables sort concurrently. That helps to avoid
> kernel's link time as possible.
Could you please also measure how much boot time this saves,
approximately, and how long it takes to do it at build time?
Thanks,
Ingo
next prev parent reply other threads:[~2019-11-15 7:25 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-15 6:47 [RFC PATCH v3 0/7] Speed booting by sorting ORC unwind tables at build time Shile Zhang
2019-11-15 6:47 ` [RFC PATCH v3 1/7] scripts/sortextable: Rewrite error/success handling Shile Zhang
2019-11-15 6:47 ` [RFC PATCH v3 2/7] scripts/sortextable: kernel coding style formating Shile Zhang
2019-11-15 6:47 ` [RFC PATCH v3 3/7] scripts/sortextable: Remove dead code Shile Zhang
2019-11-15 6:47 ` [RFC PATCH v3 4/7] scripts/sortextable: refactor do_func() function Shile Zhang
2019-11-15 6:47 ` [RFC PATCH v3 5/7] scripts/sorttable: rename sortextable to sorttable Shile Zhang
2019-11-15 6:47 ` [RFC PATCH v3 6/7] scripts/sorttable: Add ORC unwind tables sort concurrently Shile Zhang
2019-11-15 9:07 ` Peter Zijlstra
2019-11-15 9:43 ` Shile Zhang
2019-11-15 10:33 ` Peter Zijlstra
2019-11-15 17:24 ` Andy Lutomirski
2019-11-18 11:43 ` Shile Zhang
2019-11-15 9:19 ` Peter Zijlstra
2019-11-15 9:45 ` Shile Zhang
2019-11-15 6:47 ` [RFC PATCH v3 7/7] x86/unwind/orc: remove run-time ORC unwind tables sort Shile Zhang
2019-11-15 16:51 ` David Laight
2019-11-15 17:46 ` Josh Poimboeuf
2019-11-18 10:05 ` David Laight
2019-11-18 10:50 ` Shile Zhang
2019-11-18 14:41 ` Josh Poimboeuf
2019-11-15 7:25 ` Ingo Molnar [this message]
2019-11-15 8:24 ` [RFC PATCH v3 0/7] Speed booting by sorting ORC unwind tables at build time Shile Zhang
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