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References: <20210128021947.22877-1-laoar.shao@gmail.com> <YBKqNLL2MVHhRjtU@smile.fi.intel.com>
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From:   Yafang Shao <laoar.shao@gmail.com>
Date:   Thu, 28 Jan 2021 21:19:04 +0800
Message-ID: <CALOAHbCrW=MvuN68eVo16Z7EaCMpSWTnAQo3EV4maGBQMtWSYQ@mail.gmail.com>
Subject: Re: [PATCH 0/3] mm, printk: dump full information of page flags in pGp
To:     Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc:     David Hildenbrand <david@redhat.com>,
        Vlastimil Babka <vbabka@suse.cz>,
        Christoph Lameter <cl@linux.com>, penberg@kernel.org,
        David Rientjes <rientjes@google.com>, iamjoonsoo.kim@lge.com,
        Andrew Morton <akpm@linux-foundation.org>,
        Petr Mladek <pmladek@suse.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
        Rasmus Villemoes <linux@rasmusvillemoes.dk>,
        Linux MM <linux-mm@kvack.org>,
        LKML <linux-kernel@vger.kernel.org>
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On Thu, Jan 28, 2021 at 8:12 PM Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:
>
> On Thu, Jan 28, 2021 at 10:19:44AM +0800, Yafang Shao wrote:
> > Currently the pGp only shows the names of page flags, rather than
> > the full information including section, node, zone, last cpupid and
> > kasan tag. While it is not easy to parse these information manually
> > because there're so many flavors. Let's interpret them in pGp as well.
> >
> > This patchset also includes some code cleanup in mm/slub.c.
> >
> > Below is the example of the output in mm/slub.c.
> > - Before the patchset
> > [ 6155.716018] INFO: Slab 0x000000004027dd4f objects=33 used=3 fp=0x000000008cd1579c flags=0x17ffffc0010200
> >
> > - After the patchset
> > [ 6315.235783] ERR: Slab 0x000000006d1133b9 objects=33 used=3 fp=0x000000006d0779d1 flags=0x17ffffc0010200(Node 0x0,Zone 0x2,Lastcpupid 0x1fffff,slab|head)
>
>
> Please, add a corresponding test cases to test_printf.c. W/o test cases NAK.
>

Sure. Will add the test cases in the next version.


-- 
Thanks
Yafang