linux-kernel - Re: [PATCH] cpustat: print watchdog time and statistics of soft and hard interrupts in soft lockup scenes

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:   Tue, 20 Aug 2019 13:04:30 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     c00423981 <caomeng5@...wei.com>
Cc:     tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
        x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpustat: print watchdog time and statistics of soft and
 hard interrupts in soft lockup scenes

On Mon, Aug 19, 2019 at 03:12:24PM +0800, c00423981 wrote:
> +static u64 cpustat_curr_cputime(int cpu, int index)
> +{
> +	u64 time;
> +
> +	if (index == CPUTIME_IDLE)
> +		time = get_idle_time(cpu);
> +	else if (index == CPUTIME_IOWAIT)
> +		time = get_iowait_time(cpu);

NAK; don't add new users of this terminally broken interface.