From: Petr Mladek <pmladek@suse.com>
To: Prarit Bhargava <prarit@redhat.com>
Cc: Mark Salyzyn <salyzyn@android.com>,
linux-kernel@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
John Stultz <john.stultz@linaro.org>,
Thomas Gleixner <tglx@linutronix.de>,
Stephen Boyd <sboyd@codeaurora.org>,
Andrew Morton <akpm@linux-foundation.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Christoffer Dall <cdall@linaro.org>,
Deepa Dinamani <deepa.kernel@gmail.com>,
Ingo Molnar <mingo@kernel.org>,
Joel Fernandes <joelaf@google.com>,
Kees Cook <keescook@chromium.org>,
Peter Zijlstra <peterz@infradead.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
"Luis R. Rodriguez" <mcgrof@kernel.org>,
Nicholas Piggin <npiggin@gmail.com>,
"Jason A. Donenfeld" <Jason@zx2c4.com>,
Olof Johansson <olof@lixom.net>,
Josh Poimboeuf <jpoimboe@redhat.com>,
linux-doc@vger.kernel.org
Subject: Re: [PATCH 2/2 v7] printk: Add monotonic, boottime, and realtime timestamps
Date: Tue, 22 Aug 2017 16:23:22 +0200 [thread overview]
Message-ID: <20170822142322.GD30286@pathway.suse.cz> (raw)
In-Reply-To: <8eb770a9-1068-c239-6131-97b64c2944dc@redhat.com>
On Tue 2017-08-22 10:09:40, Prarit Bhargava wrote:
>
>
> On 08/17/2017 11:30 AM, Mark Salyzyn wrote:
> > On 08/17/2017 06:15 AM, Prarit Bhargava wrote:
> >> printk.time=1/CONFIG_PRINTK_TIME=1 adds a unmodified local hardware clock
> >> timestamp to printk messages. The local hardware clock loses time each
> >> day making it difficult to determine exactly when an issue has occurred in
> >> the kernel log, and making it difficult to determine how kernel and
> >> hardware issues relate to each other in real time.
> > Congrats, greatly eases merges into older kernels, and has eliminated the churn
> > this could place on all the configured systems out there.
> >
> > Sadly, one of my suggestions did not quite go the way I expected ;-} easy to
> > correct, and fix (I missed a spot in my original suggestion, as code changed
> > underfoot over the set ;-/). (see bottom)
>
> Added. I will send out v8 shortly.
It might make sense to wait a bit. I am in the middle of v7 review and
have several comments.
I would suggest to slow down this a bit anyway. You sent 7 versions
within three weeks. It improved nicely over time. But I think that
I am not the only one who has troubles to follow.
Best Regards,
Petr
next prev parent reply other threads:[~2017-08-22 14:23 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-17 13:15 [PATCH 0/2 v7] printk: Add new timestamps Prarit Bhargava
2017-08-17 13:15 ` [PATCH 1/2 v7] time: Make fast functions return 0 before timekeeping is initialized Prarit Bhargava
2017-08-17 13:15 ` [PATCH 2/2 v7] printk: Add monotonic, boottime, and realtime timestamps Prarit Bhargava
2017-08-17 15:30 ` Mark Salyzyn
2017-08-22 14:09 ` Prarit Bhargava
2017-08-22 14:23 ` Petr Mladek [this message]
2017-08-22 14:44 ` Prarit Bhargava
2017-08-23 8:45 ` Petr Mladek
2017-08-23 18:31 ` Prarit Bhargava
2017-08-23 18:56 ` John Stultz
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