linux-kernel - Re: [PATCH] printk: add KERN_NOTIME to skip the timestamp

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Message-ID: <CAH2Cfb8ENK6f1BKvD4oqGhRjQU6cU5ii_OREcPtjwZqP=1qAeQ@mail.gmail.com>
Date:   Wed, 13 Feb 2019 15:14:25 +0800
From:   xiang xiao <xiaoxiang781216@...il.com>
To:     Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        linux-kernel@...r.kernel.org, Xiang Xiao <xiaoxiang@...omi.com>
Subject: Re: [PATCH] printk: add KERN_NOTIME to skip the timestamp

But how can I precisely control timestamp on/off per message through sysfs node?

On Wed, Feb 13, 2019 at 2:38 PM Sergey Senozhatsky
<sergey.senozhatsky.work@...il.com> wrote:
>
> On (02/13/19 15:29), Sergey Senozhatsky wrote:
> >
> > cat /sys/module/printk/parameters/time ?
>  ^^^^^
> cat / echo
>
> Works both ways.
>
>         -ss