linux-kernel - Re: High-resolution timers not supported when using smp

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CALAqxLW-2knOPUpvWHS4YNgx+me492gtf+N+g6+=vB57XNSfOQ@mail.gmail.com>
Date:	Thu, 30 Apr 2015 09:42:21 -0700
From:	John Stultz <john.stultz@...aro.org>
To:	Mason <slash.tmp@...e.fr>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Catalin Marinas <catalin.marinas@....com>
Subject: Re: High-resolution timers not supported when using smp_twd

On Thu, Apr 30, 2015 at 5:46 AM, Mason <slash.tmp@...e.fr> wrote:
> Hello,
>
> I wanted to enable high-resolution timers on this Cortex A9 system,
> but it seems there is more to it than just enabling
>
>   CONFIG_HIGH_RES_TIMERS=y
>
> (The system is limited to jiffy resolution.)

You might make sure you've got a HRT enabled clocksource installed?

You might check
/sys/devices/system/clocksource/clocksource0/current_clocksource ?

thanks
-john
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/