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From: "Huang, Ying" <ying.huang@intel.com>
To: Hasan Al Maruf <hasan3050@gmail.com>
Cc: akpm@linux-foundation.org,  dave.hansen@linux.intel.com,
	feng.tang@intel.com,  hasanalmaruf@fb.com,
	 linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	 mgorman@suse.de,  mgorman@techsingularity.net, mhocko@suse.com,
	 osalvador@suse.de,  peterz@infradead.org, riel@surriel.com,
	 shakeelb@google.com,  shy828301@gmail.com, weixugc@google.com,
	 ziy@nvidia.com
Subject: Re: [PATCH -V10 RESEND 1/6] NUMA Balancing: add page promotion counter
Date: Wed, 08 Dec 2021 10:16:14 +0800	[thread overview]
Message-ID: <871r2n4z9t.fsf@yhuang6-desk2.ccr.corp.intel.com> (raw)
In-Reply-To: <20211207060509.79442-1-hasanalmaruf@fb.com> (Hasan Al Maruf's message of "Tue, 7 Dec 2021 01:05:09 -0500")

Hasan Al Maruf <hasan3050@gmail.com> writes:

> Hi Huang,
>
>>+#ifdef CONFIG_NUMA_BALANCING
>>+	PGPROMOTE_SUCCESS,	/* promote successfully */
>
> I find a breakdown of Anon and File page promotion can often be useful to
> understand an application's behavior (i.e. what kind of pages are moved to
> remote node and later being promoted). What do you think about adding
> counters for such a breakdown?
>
> What's your thought on adding counters for failures on different reasons?

I think that all these provide helpful information.  But I think that we
can add them in separate patches.  That will make reviewing simpler.

Best Regards,
Huang, Ying


  reply	other threads:[~2021-12-08  6:23 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-07  2:27 [PATCH -V10 RESEND 0/6] NUMA balancing: optimize memory placement for memory tiering system Huang Ying
2021-12-07  2:27 ` [PATCH -V10 RESEND 1/6] NUMA Balancing: add page promotion counter Huang Ying
2021-12-07  6:05   ` Hasan Al Maruf
2021-12-08  2:16     ` Huang, Ying [this message]
2021-12-17  7:25   ` Baolin Wang
2021-12-07  2:27 ` [PATCH -V10 RESEND 2/6] NUMA balancing: optimize page placement for memory tiering system Huang Ying
2021-12-07  6:36   ` Hasan Al Maruf
2021-12-08  3:16     ` Huang, Ying
2021-12-17  7:35   ` Baolin Wang
2021-12-07  2:27 ` [PATCH -V10 RESEND 3/6] memory tiering: skip to scan fast memory Huang Ying
2021-12-17  7:41   ` Baolin Wang
2021-12-07  2:27 ` [PATCH -V10 RESEND 4/6] memory tiering: hot page selection with hint page fault latency Huang Ying
2021-12-07  2:27 ` [PATCH -V10 RESEND 5/6] memory tiering: rate limit NUMA migration throughput Huang Ying
2021-12-07  2:27 ` [PATCH -V10 RESEND 6/6] memory tiering: adjust hot threshold automatically Huang Ying
2022-01-12 16:10 ` [PATCH -V10 RESEND 0/6] NUMA balancing: optimize memory placement for memory tiering system Peter Zijlstra
2022-01-13  7:19   ` Huang, Ying
2022-01-13  9:49     ` Peter Zijlstra
     [not found]       ` <87o84fu9f3.fsf@yhuang6-desk2.ccr.corp.intel.com>
2022-01-13 13:00         ` Peter Zijlstra
2022-01-13 13:13           ` Huang, Ying
2022-01-13 14:24           ` Huang, Ying
2022-01-14  5:24             ` Huang, Ying

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