From: Peter Zijlstra <peterz@infradead.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Igor Mammedov <imammedo@redhat.com>, Jiang Liu <liuj97@gmail.com>,
linux-kernel@vger.kernel.org, pjt@google.com, tglx@linutronix.de,
seto.hidetoshi@jp.fujitsu.com,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [RFC][PATCH] printk: Add %pb to print bitmaps
Date: Wed, 09 May 2012 19:30:41 +0200 [thread overview]
Message-ID: <1336584641.2527.65.camel@twins> (raw)
In-Reply-To: <20120509172611.GC8135@gmail.com>
On Wed, 2012-05-09 at 19:26 +0200, Ingo Molnar wrote:
> * Peter Zijlstra <peterz@infradead.org> wrote:
>
> > > A "%.*pb" is the only interface that can work for a "sized"
> > > bitmap (with obviously fixed-length ones being possible with
> > > a "%.32bp" like thing)
> >
> > Right, sadly that also generates a warning :/
>
> Why not use what I suggested, %*pb? It also doubles as a width
> field in essence, as bitmap output is fundamentally fixed width.
The bitmap list output uses RLE and generates things like:
6-11,18-23
Its the stuff used for all the sched_domain output etc..
next prev parent reply other threads:[~2012-05-09 17:30 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-09 10:38 [PATCH] sched_groups are expected to be circular linked list, make it so right after allocation Igor Mammedov
2012-05-09 10:21 ` Jiang Liu
2012-05-09 11:44 ` Igor Mammedov
2012-05-09 11:52 ` Peter Zijlstra
2012-05-09 11:58 ` Igor Mammedov
2012-05-09 12:21 ` Peter Zijlstra
2012-05-09 12:22 ` Peter Zijlstra
2012-05-09 12:35 ` Igor Mammedov
2012-05-09 12:30 ` Peter Zijlstra
2012-05-09 13:27 ` [RFC][PATCH] printk: Add %pb to print bitmaps Peter Zijlstra
2012-05-09 13:29 ` Peter Zijlstra
2012-05-09 13:36 ` Ingo Molnar
2012-05-09 13:44 ` Peter Zijlstra
2012-05-09 13:59 ` Peter Zijlstra
2012-05-09 14:15 ` Ingo Molnar
2012-05-09 14:24 ` Peter Zijlstra
2012-05-09 15:32 ` Peter Zijlstra
2012-05-09 15:41 ` Ingo Molnar
2012-05-09 16:06 ` Peter Zijlstra
2012-05-09 16:39 ` Joe Perches
2012-05-09 17:22 ` Ingo Molnar
2012-05-09 17:24 ` Ingo Molnar
2012-05-09 17:25 ` Peter Zijlstra
2012-05-09 17:31 ` Ingo Molnar
2012-05-09 14:19 ` Joe Perches
2012-05-09 15:34 ` Ingo Molnar
2012-05-09 17:15 ` Linus Torvalds
2012-05-09 17:22 ` Peter Zijlstra
2012-05-09 17:26 ` Ingo Molnar
2012-05-09 17:30 ` Peter Zijlstra [this message]
2012-05-09 19:07 ` Andrew Morton
2012-05-09 20:58 ` Peter Zijlstra
2012-05-10 7:45 ` Ingo Molnar
2012-05-10 13:26 ` [PATCH] sched_groups are expected to be circular linked list, make it so right after allocation Igor Mammedov
2012-05-10 13:45 ` Peter Zijlstra
2012-05-10 17:01 ` Igor Mammedov
2012-05-10 17:33 ` Peter Zijlstra
2012-05-09 10:35 ` [tip:sched/urgent] sched: Fix KVM and ia64 boot crash due to sched_groups circular linked list assumption tip-bot for Igor Mammedov
2012-05-09 11:41 ` [PATCH] sched_groups are expected to be circular linked list, make it so right after allocation Peter Zijlstra
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