From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Jan Kiszka <jan.kiszka@domain.hid>
Cc: xenomai-core <xenomai@xenomai.org>
Subject: Re: [Xenomai-core] [PATCH] detect problematic kernel configs
Date: Sat, 15 Apr 2006 17:06:23 +0200 [thread overview]
Message-ID: <17473.3055.737663.656203@domain.hid> (raw)
In-Reply-To: <443E9A8D.2090300@domain.hid>
Jan Kiszka wrote:
> Hi,
>
> this patch tries to reduce the traps newbies may tap by leaving (for us)
> well-known problematic kernel switches on. And are there any futher I
> forgot, e.g. on other archs?
>
> Jan
> Index: ksrc/arch/i386/Kconfig
> ===================================================================
> --- ksrc/arch/i386/Kconfig (revision 924)
> +++ ksrc/arch/i386/Kconfig (working copy)
> @@ -194,3 +194,19 @@ depends on XENO_OPT_NUCLEUS
> source "drivers/xenomai/Kconfig"
>
> endmenu
> +
> +if XENOMAI = y
> +
> +comment "WARNING: Potential latency killers detected!"
> + depends on PM || ACPI || CPU_FREQ
> +
> +comment "Power Management (PM)"
> + depends on PM
> +
> +comment "ACPI"
> + depends on ACPI
Only ACPI_PROCESSOR is a latency killer.
--
Gilles Chanteperdrix.
next prev parent reply other threads:[~2006-04-15 15:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-13 18:38 [Xenomai-core] [PATCH] detect problematic kernel configs Jan Kiszka
2006-04-15 15:06 ` Gilles Chanteperdrix [this message]
2006-04-15 16:02 ` Jan Kiszka
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