On 10/10/2015 11:33 AM, Vitaly Wool wrote:
> On Thu, Oct 1, 2015 at 9:52 AM, Vlastimil Babka wrote:
>> On 09/30/2015 05:46 PM, Vitaly Wool wrote:
>>>
>>> On Wed, Sep 30, 2015 at 5:37 PM, Vlastimil Babka wrote:
On 09/25/2015 11:54 AM, Vitaly Wool wrote:
>
>
> Hello Minchan,
>
On Thu, Oct 1, 2015 at 9:52 AM, Vlastimil Babka wrote:
> On 09/30/2015 05:46 PM, Vitaly Wool wrote:
>>
>> On Wed, Sep 30, 2015 at 5:37 PM, Vlastimil Babka wrote:
>>>
>>> On 09/25/2015 11:54 AM, Vitaly Wool wrote:
Hello Minchan,
the main use case where I see unacceptably l
On 09/30/2015 05:46 PM, Vitaly Wool wrote:
On Wed, Sep 30, 2015 at 5:37 PM, Vlastimil Babka wrote:
On 09/25/2015 11:54 AM, Vitaly Wool wrote:
Hello Minchan,
the main use case where I see unacceptably long stalls in UI with
zsmalloc is switching between users in Android.
There is a way to aut
On Wed, Sep 30, 2015 at 5:37 PM, Vlastimil Babka wrote:
> On 09/25/2015 11:54 AM, Vitaly Wool wrote:
>>
>> Hello Minchan,
>>
>> the main use case where I see unacceptably long stalls in UI with
>> zsmalloc is switching between users in Android.
>> There is a way to automate user creation and switc
On 09/25/2015 11:54 AM, Vitaly Wool wrote:
Hello Minchan,
the main use case where I see unacceptably long stalls in UI with
zsmalloc is switching between users in Android.
There is a way to automate user creation and switching between them so
the test I run both to get vmstat statistics and to p
On Wed, Sep 30, 2015 at 10:13 AM, Minchan Kim wrote:
> On Wed, Sep 30, 2015 at 10:01:59AM +0200, Vitaly Wool wrote:
>> > Could you share your script?
>> > I will ask our production team to reproduce it.
>>
>> Wait, let me get it right. Your production team?
>> I take it as you would like me to hel
On Wed, Sep 30, 2015 at 10:01:59AM +0200, Vitaly Wool wrote:
> > Could you share your script?
> > I will ask our production team to reproduce it.
>
> Wait, let me get it right. Your production team?
> I take it as you would like me to help your company fix your bugs.
> You are pushing the limits h
> Could you share your script?
> I will ask our production team to reproduce it.
Wait, let me get it right. Your production team?
I take it as you would like me to help your company fix your bugs.
You are pushing the limits here.
~vitaly
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Hello Vitaly,
First of all, Thanks for the detail report. I will add comments below.
On Fri, Sep 25, 2015 at 11:54:57AM +0200, Vitaly Wool wrote:
> Hello Minchan,
>
> the main use case where I see unacceptably long stalls in UI with
> zsmalloc is switching between users in Android.
What is main
Hello Minchan,
the main use case where I see unacceptably long stalls in UI with
zsmalloc is switching between users in Android.
There is a way to automate user creation and switching between them so
the test I run both to get vmstat statistics and to profile stalls is
to create a user, switch to
On (09/17/15 08:21), Vlastimil Babka wrote:
> On 09/15/2015 06:22 AM, Sergey Senozhatsky wrote:
> >On (09/15/15 00:08), Dan Streetman wrote:
> >[..]
> >
> >correct. a bit of internals: we don't scan all the zspages every
> >time. each class has stats for allocated used objects, allocated
> >used ob
On 09/15/2015 06:22 AM, Sergey Senozhatsky wrote:
On (09/15/15 00:08), Dan Streetman wrote:
[..]
correct. a bit of internals: we don't scan all the zspages every
time. each class has stats for allocated used objects, allocated
used objects, etc. so we 'compact' only classes that can be
compacted
Hello Vitaly,
It seems you sent a mail with gmail web or something which didn't use
plain-text. ;-). I will add newline manually.
Please send a mail with plain-text in future.
On Mon, Sep 14, 2015 at 03:49:01PM +0200, Vitaly Wool wrote:
> While using ZRAM on a small RAM footprint devices, togethe
On (09/15/15 00:08), Dan Streetman wrote:
[..]
>
> it doesn't. but it has a complex (compared to zbud) way of storing
> pages - many different classes, which each are made up of zspages,
> which contain multiple actual pages to store some number of
> specifically sized objects. So it can get fra
On Mon, Sep 14, 2015 at 10:14 AM, Vlastimil Babka wrote:
> On 09/14/2015 04:12 PM, Vitaly Wool wrote:
>>
>> On Mon, Sep 14, 2015 at 4:01 PM, Vlastimil Babka wrote:
>>>
>>>
>>> On 09/14/2015 03:49 PM, Vitaly Wool wrote:
While using ZRAM on a small RAM footprint devices, together wit
On (09/14/15 15:49), Vitaly Wool wrote:
> While using ZRAM on a small RAM footprint devices, together with KSM,
> I ran into several occasions when moving pages from compressed swap back
> into the "normal" part of RAM caused significant latencies in system
> operation.
> By using zbud I lose in c
On 09/14/2015 04:12 PM, Vitaly Wool wrote:
On Mon, Sep 14, 2015 at 4:01 PM, Vlastimil Babka wrote:
On 09/14/2015 03:49 PM, Vitaly Wool wrote:
While using ZRAM on a small RAM footprint devices, together with
KSM,
I ran into several occasions when moving pages from compressed swap back
into th
On Mon, Sep 14, 2015 at 4:01 PM, Vlastimil Babka wrote:
>
> On 09/14/2015 03:49 PM, Vitaly Wool wrote:
>>
>> While using ZRAM on a small RAM footprint devices, together with
>> KSM,
>> I ran into several occasions when moving pages from compressed swap back
>> into the "normal" part of RAM caused
On 09/14/2015 03:49 PM, Vitaly Wool wrote:
While using ZRAM on a small RAM footprint devices, together with
KSM,
I ran into several occasions when moving pages from compressed swap back
into the "normal" part of RAM caused significant latencies in system
I'm sure Minchan will want to hear the d
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