From: Ingo Molnar <mingo@kernel.org>
To: Borislav Petkov <bp@alien8.de>
Cc: hpa@zytor.com, linux-kernel@vger.kernel.org,
huawei.libin@huawei.com, wangyijing@huawei.com,
fenghua.yu@intel.com, tglx@linutronix.de, guohanjun@huawei.com,
paul.gortmaker@windriver.com, linux-tip-commits@vger.kernel.org
Subject: Re: [PATCH 2/2] x86: Cleanup boot CPUs table
Date: Sat, 28 Sep 2013 15:44:49 +0200 [thread overview]
Message-ID: <20130928134449.GB26931@gmail.com> (raw)
In-Reply-To: <20130928102305.GA5956@pd.tnic>
* Borislav Petkov <bp@alien8.de> wrote:
> On Sat, Sep 28, 2013 at 10:25:42AM +0200, Ingo Molnar wrote:
> > Could we, with another add-on patch, further compress the first half
> > of the output as well?
> >
> > Advanced output like this would be really cool:
>
> Sure.
>
> > > [ 0.074509] x86: Booting node #0, CPUs: #1 #2 #3 #4 #5 #6 #7
> > > [ 0.644008] x86: Booting node #1, CPUs: #8 #9 #10 #11 #12 #13 #14 #15
> > > [ 1.245006] x86: Booting node #2, CPUs: #16 #17 #18 #19 #20 #21 #22 #23
> > > [ 1.864005] x86: Booting node #3, CPUs: #24 #25 #26 #27 #28 #29 #30 #31
> > > [ 2.489005] x86: Booting node #4, CPUs: #32 #33 #34 #35 #36 #37 #38 #39
> > > [ 3.093005] x86: Booting node #5, CPUs: #40 #41 #42 #43 #44 #45 #46 #47
> > > [ 3.698005] x86: Booting node #6, CPUs: #48 #49 #50 #51 #52 #53 #54 #55
> > > [ 4.304005] x86: Booting node #7, CPUs: #56 #57 #58 #59 #60 #61 #62 #63
> > > [ 4.961413] x86: Booted up 8 nodes, 64 CPUs
>
> Boot(ing|ed) kinda wastes unnecessary space too, how about we go a step
> further:
>
> [ 0.074509] x86: Booting SMP configuration:
> [ 0.644008] .... node #0, CPUs: #1 #2 #3 #4 #5 #6 #7
> [ 1.245006] .... node #1, CPUs: #8 #9 #10 #11 #12 #13 #14 #15
> [ 1.864005] .... node #2, CPUs: #16 #17 #18 #19 #20 #21 #22 #23
> [ 2.489005] .... node #3, CPUs: #24 #25 #26 #27 #28 #29 #30 #31
> [ 3.093005] .... node #4, CPUs: #32 #33 #34 #35 #36 #37 #38 #39
> [ 3.698005] .... node #5, CPUs: #40 #41 #42 #43 #44 #45 #46 #47
> [ 4.304005] .... node #6, CPUs: #48 #49 #50 #51 #52 #53 #54 #55
> [ 4.961413] .... node #7, CPUs: #56 #57 #58 #59 #60 #61 #62 #63
> [ 5.245021] x86: Booted up 8 nodes, 64 CPUs
>
>
> [ 0.074509] x86: Booting SMP configuration:
> [ 0.072367] .... node #0, CPUs: #1 #2 #3 #4 #5 #6 #7
> [ 0.686329] x86: Booted up 1 node, 8 CPUs
Nice!
> Btw, the "x86" prefix would mean we want to either change pr_fmt() of
> arch/x86/kernel/smpboot.c (which I rather not) or not use pr_info (which
> I'd prefer).
Not using pr_info() for such specially formatted output is fine I think.
Thanks,
Ingo
next prev parent reply other threads:[~2013-09-28 13:44 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-05 10:57 [PATCH] x86, smpboot: fix announce_cpu() to print the last OK Libin
2013-09-05 17:52 ` [tip:x86/urgent] x86/smpboot: Fix announce_cpu() to printk() the last "OK" properly tip-bot for Libin
2013-09-25 10:07 ` Borislav Petkov
2013-09-25 18:29 ` Ingo Molnar
2013-09-26 23:15 ` Borislav Petkov
2013-09-27 6:51 ` Ingo Molnar
2013-09-27 10:38 ` Borislav Petkov
2013-09-27 14:32 ` Borislav Petkov
2013-09-27 14:34 ` [PATCH 1/2] x86, alternatives: Drop ancient lockdep fixup message Borislav Petkov
2013-09-28 8:28 ` [tip:core/locking] lockdep, x86/alternatives: " tip-bot for Borislav Petkov
2013-09-27 14:35 ` [PATCH 2/2] x86: Cleanup boot CPUs table Borislav Petkov
2013-09-28 8:25 ` Ingo Molnar
2013-09-28 10:23 ` Borislav Petkov
2013-09-28 13:44 ` Ingo Molnar [this message]
2013-09-28 17:47 ` [PATCH] x86, boot: Further compress CPUs bootup message Borislav Petkov
2013-09-28 17:54 ` Ingo Molnar
2013-09-28 18:04 ` [PATCH -v1.1] " Borislav Petkov
2013-09-28 18:12 ` Ingo Molnar
2013-09-28 19:15 ` Borislav Petkov
2013-09-28 19:25 ` Ingo Molnar
2013-09-28 19:36 ` [PATCH -v1.3] " Borislav Petkov
2013-09-28 19:42 ` [PATCH -v1.1] " H. Peter Anvin
2013-09-28 19:49 ` Borislav Petkov
2013-09-28 19:54 ` Borislav Petkov
2013-09-28 19:58 ` Ingo Molnar
2013-09-28 20:08 ` Borislav Petkov
2013-09-28 23:13 ` H. Peter Anvin
2013-09-29 9:14 ` Borislav Petkov
2013-09-29 15:17 ` [PATCH -v1.4] " Borislav Petkov
2013-09-29 15:44 ` [PATCH -v1.1] " H. Peter Anvin
2013-09-30 6:28 ` Ingo Molnar
2013-09-30 9:56 ` Borislav Petkov
2013-10-01 8:53 ` Ingo Molnar
2013-10-01 9:10 ` [tip:x86/boot] x86/boot: " tip-bot for Borislav Petkov
2013-10-02 11:52 ` Peter Zijlstra
2013-10-02 12:18 ` Ingo Molnar
2013-10-02 12:20 ` Peter Zijlstra
2013-10-02 13:55 ` Borislav Petkov
2013-09-28 19:58 ` [PATCH -v1.1] x86, boot: " Ingo Molnar
2013-09-28 20:10 ` Borislav Petkov
2013-09-29 5:10 ` H. Peter Anvin
2013-09-29 2:55 ` [PATCH 2/2] x86: Cleanup boot CPUs table Mike Galbraith
2013-09-28 8:28 ` [tip:x86/boot] x86: Improve the printout of the SMP bootup CPU table tip-bot for Borislav Petkov
2013-09-29 4:25 ` Yinghai Lu
2013-09-27 12:48 ` [tip:x86/urgent] x86/smpboot: Fix announce_cpu() to printk() the last "OK" properly Borislav Petkov
2013-09-27 13:33 ` Ingo Molnar
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