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Date:   Mon, 30 May 2022 16:25:42 +0800
From:   Muchun Song <songmuchun@bytedance.com>
To:     Vasily Averin <vvs@openvz.org>
Cc:     Vlastimil Babka <vbabka@suse.cz>, kernel@openvz.org,
        linux-kernel@vger.kernel.org, Steven Rostedt <rostedt@goodmis.org>,
        Ingo Molnar <mingo@redhat.com>,
        Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org,
        Shakeel Butt <shakeelb@google.com>,
        Roman Gushchin <roman.gushchin@linux.dev>,
        Matthew Wilcox <willy@infradead.org>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>,
        David Rientjes <rientjes@google.com>,
        Pekka Enberg <penberg@kernel.org>,
        Christoph Lameter <cl@linux.com>,
        Michal Hocko <mhocko@suse.com>,
        Hyeonggon Yoo <42.hyeyoo@gmail.com>
Subject: Re: [PATCH v5] tracing: add 'accounted' entry into output of
 allocation tracepoints
Message-ID: <YpR/hl6/Fk/vOVKa@FVFYT0MHHV2J>
References: <c7f687a8-637c-b119-6e3a-7dacc885b851@suse.cz>
 <80bcb043-3782-1d81-d8a2-4bdcb213cf30@openvz.org>
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On Mon, May 30, 2022 at 10:47:26AM +0300, Vasily Averin wrote:
> Slab caches marked with SLAB_ACCOUNT force accounting for every
> allocation from this cache even if __GFP_ACCOUNT flag is not passed.
> Unfortunately, at the moment this flag is not visible in ftrace output,
> and this makes it difficult to analyze the accounted allocations.
> 
> This patch adds boolean "accounted" entry into trace output,
> and set it to 'true' for calls used __GFP_ACCOUNT flag and
> for allocations from caches marked with SLAB_ACCOUNT.
> 
> Signed-off-by: Vasily Averin <vvs@openvz.org>

Acked-by: Muchun Song <songmuchun@bytedance.com>

Thanks.