Can you please fix your email client? The broken quoting is just
irritating.
On Tue 19-03-19 11:45:03, Pankaj Suryawanshi wrote:
[...]
> I have tried for latency count for 385MB:
>
> reclaim- reclaim_clean_pages_from_list()
> migrate- migrate_pages()
> migrateranges- isolate_migratepages_range()
From: Pankaj Suryawanshi
Sent: 19 March 2019 15:59
To: Michal Hocko
Cc: linux...@kvack.org; linux-kernel@vger.kernel.org; minc...@kernel.org;
Kirill Tkhai
Subject: Re: [External] Re: mm/cma.c: High latency for cma allocation
From: Michal Hocko
Sent: 18 March 2019 19:59
To: Pankaj Suryawanshi
Cc: linux...@kvack.org; linux-kernel@vger.kernel.org; minc...@kernel.org;
Kirill Tkhai
Subject: Re: [External] Re: mm/cma.c: High latency for cma allocation
On Mon 18-03-19 14:02:09
On Mon 18-03-19 14:02:09, Pankaj Suryawanshi wrote:
>> > I have the system(vanilla kernel) with 2GB of RAM, reserved 1GB for CMA.
>> > No swap or zram.
>> > Sorry, I don't have information where the time is spent.
>> > time is calculated in between cma_alloc call.
>> > I have just cma_alloc trace
From: Michal Hocko
Sent: 18 March 2019 19:12
To: Pankaj Suryawanshi
Cc: linux...@kvack.org; linux-kernel@vger.kernel.org; minc...@kernel.org;
Kirill Tkhai
Subject: Re: [External] Re: mm/cma.c: High latency for cma allocation
[Please do not use html
[Please do not use html emails to the mailing list and try to fix your
email client to not break quoating. Fixed for this email]
On Mon 18-03-19 13:28:50, Pankaj Suryawanshi wrote:
> On Mon 18-03-19 12:58:28, Pankaj Suryawanshi wrote:
> > > Hello,
> > >
> > > I am facing issue of high latency in C
From: Michal Hocko
Sent: 18 March 2019 18:37:57
To: Pankaj Suryawanshi
Cc: linux...@kvack.org; linux-kernel@vger.kernel.org; minc...@kernel.org;
Kirill Tkhai
Subject: [External] Re: mm/cma.c: High latency for cma allocation
CAUTION: This email originated from outside of the
On Mon 18-03-19 12:58:28, Pankaj Suryawanshi wrote:
> Hello,
>
> I am facing issue of high latency in CMA allocation of large size buffer.
>
> I am frequently allocating/deallocation CMA memory, latency of allocation is
> very high.
>
> Below are the stat for allocation/deallocation latency iss
Hello,
I am facing issue of high latency in CMA allocation of large size buffer.
I am frequently allocating/deallocation CMA memory, latency of allocation is
very high.
Below are the stat for allocation/deallocation latency issue.
(390100 kB), latency 29997 us
(390100 kB), latency 22957 us
(
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