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From: Oscar Salvador <osalvador@techadventures.net>
To: Arun KS <arunks@codeaurora.org>
Cc: kys@microsoft.com, haiyangz@microsoft.com,
	sthemmin@microsoft.com, boris.ostrovsky@oracle.com,
	jgross@suse.com, akpm@linux-foundation.org,
	dan.j.williams@intel.com, mhocko@suse.com, vbabka@suse.cz,
	iamjoonsoo.kim@lge.com, gregkh@linuxfoundation.org,
	osalvador@suse.de, malat@debian.org,
	kirill.shutemov@linux.intel.com, jrdr.linux@gmail.com,
	yasu.isimatu@gmail.com, mgorman@techsingularity.net,
	aaron.lu@intel.com, devel@linuxdriverproject.org,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	xen-devel@lists.xenproject.org, vatsa@codeaurora.org,
	vinmenon@codeaurora.org, getarunks@gmail.com
Subject: Re: [PATCH v5 1/2] memory_hotplug: Free pages as higher order
Date: Wed, 10 Oct 2018 13:01:19 +0200	[thread overview]
Message-ID: <20181010110119.GA20952@techadventures.net> (raw)
In-Reply-To: <f18b87a0762c4379b78e9b5e09ff4840@codeaurora.org>

On Wed, Oct 10, 2018 at 04:21:16PM +0530, Arun KS wrote:
> diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
> index e379e85..2416136 100644
> --- a/mm/memory_hotplug.c
> +++ b/mm/memory_hotplug.c
> @@ -690,9 +690,13 @@ static int online_pages_range(unsigned long start_pfn,
> unsigned long nr_pages,
>                         void *arg)
>  {
>         unsigned long onlined_pages = *(unsigned long *)arg;
> +       u64 t1, t2;
> 
> +       t1 = local_clock();
>         if (PageReserved(pfn_to_page(start_pfn)))
>                 onlined_pages = online_pages_blocks(start_pfn, nr_pages);
> +       t2 = local_clock();
> +       trace_printk("time spend = %llu us\n", (t2-t1)/(1000));
> 
>         online_mem_sections(start_pfn, start_pfn + nr_pages);

Thanks ;-)
 

-- 
Oscar Salvador
SUSE L3

  reply	other threads:[~2018-10-10 11:01 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-05  8:10 [PATCH v5 1/2] memory_hotplug: Free pages as higher order Arun KS
2018-10-05  8:10 ` [PATCH v5 2/2] mm/page_alloc: remove software prefetching in __free_pages_core Arun KS
2018-10-09  9:30   ` Michal Hocko
2018-10-10 16:36   ` Vlastimil Babka
2018-10-08  7:34 ` [PATCH v5 1/2] memory_hotplug: Free pages as higher order Oscar Salvador
2018-10-09  9:29 ` Michal Hocko
2018-10-09  9:54   ` Arun KS
2018-10-09 11:06     ` Michal Hocko
2018-10-10  8:07 ` Oscar Salvador
2018-10-10 10:51   ` Arun KS
2018-10-10 11:01     ` Oscar Salvador [this message]
2018-10-10 15:30 ` Vlastimil Babka
2018-10-10 16:56   ` Arun KS
2018-10-10 17:33     ` Michal Hocko
2018-10-11  2:29       ` Arun KS
2018-10-11  7:55         ` Michal Hocko
2018-10-19  2:18           ` Andrew Morton
2018-10-19  8:07             ` Michal Hocko
2018-10-22 10:33               ` Arun KS
2018-11-05  9:42                 ` Arun KS
2018-11-05 21:44                   ` Andrew Morton
2018-11-06  5:31                     ` Arun KS
2018-10-11  8:07     ` Vlastimil Babka
2018-10-11  8:15       ` Michal Hocko
2018-11-19 22:15       ` Wei Yang

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