On (06/13/16 15:49), Ganesh Mahendran wrote:
[..]
> > some parts (of the info above) are already available: zram maps to
> > pool name, which maps to a sysfs file name, that can contain the rest.
> > I'm just trying to understand what kind of optimizations we are talking
> > about here and how woul
2016-06-13 13:12 GMT+08:00 Sergey Senozhatsky
:
> Hello,
>
> On (06/13/16 13:42), Minchan Kim wrote:
> [..]
>> > compacted(total 0) */
>> > 2) # 1351.241 us | }
>> > --
>> > => 1351.241 us used
>> >
>> > And it seems the overhead of function_graph is bigger than trace event.
>> >
>> > bash-36
2016-06-13 12:42 GMT+08:00 Minchan Kim :
> On Wed, Jun 08, 2016 at 02:39:19PM +0800, Ganesh Mahendran wrote:
>
>
>
>> zsmalloc is not only used by zram, but also zswap. Maybe
>> others in the future.
>>
>> I tried to use function_graph. It seems there are too much log
>> printed:
>> --
>> root
Hello,
On (06/13/16 13:42), Minchan Kim wrote:
[..]
> > compacted(total 0) */
> > 2) # 1351.241 us | }
> > --
> > => 1351.241 us used
> >
> > And it seems the overhead of function_graph is bigger than trace event.
> >
> > bash-3682 [002] 1439.180646: zsmalloc_compact_start: pool zra
On Wed, Jun 08, 2016 at 02:39:19PM +0800, Ganesh Mahendran wrote:
> zsmalloc is not only used by zram, but also zswap. Maybe
> others in the future.
>
> I tried to use function_graph. It seems there are too much log
> printed:
> --
> root@leo-test:/sys/kernel/debug/tracing# cat trace
> # tr
On Tue, Jun 07, 2016 at 04:56:44PM +0800, Ganesh Mahendran wrote:
> Currently zsmalloc is widely used in android device.
> Sometimes, we want to see how frequently zs_compact is
> triggered or how may pages freed by zs_compact(), or which
> zsmalloc pool is compacted.
>
> Most of the time, user ca
Hi, Sergey:
2016-06-08 22:10 GMT+08:00 Sergey Senozhatsky :
> Hello,
>
> On (06/08/16 14:39), Ganesh Mahendran wrote:
>> >> > On Tue, Jun 07, 2016 at 04:56:44PM +0800, Ganesh Mahendran wrote:
>> >> >> Currently zsmalloc is widely used in android device.
>> >> >> Sometimes, we want to see how frequ
Hello,
On (06/08/16 14:39), Ganesh Mahendran wrote:
> >> > On Tue, Jun 07, 2016 at 04:56:44PM +0800, Ganesh Mahendran wrote:
> >> >> Currently zsmalloc is widely used in android device.
> >> >> Sometimes, we want to see how frequently zs_compact is
> >> >> triggered or how may pages freed by zs_co
Hi, Minchan:
2016-06-08 13:13 GMT+08:00 Minchan Kim :
> On Wed, Jun 08, 2016 at 09:48:30AM +0800, Ganesh Mahendran wrote:
>> Hi, Minchan:
>>
>> 2016-06-08 8:16 GMT+08:00 Minchan Kim :
>> > Hello Ganesh,
>> >
>> > On Tue, Jun 07, 2016 at 04:56:44PM +0800, Ganesh Mahendran wrote:
>> >> Currently zsm
On Wed, Jun 08, 2016 at 09:48:30AM +0800, Ganesh Mahendran wrote:
> Hi, Minchan:
>
> 2016-06-08 8:16 GMT+08:00 Minchan Kim :
> > Hello Ganesh,
> >
> > On Tue, Jun 07, 2016 at 04:56:44PM +0800, Ganesh Mahendran wrote:
> >> Currently zsmalloc is widely used in android device.
> >> Sometimes, we want
Hi, Minchan:
2016-06-08 8:16 GMT+08:00 Minchan Kim :
> Hello Ganesh,
>
> On Tue, Jun 07, 2016 at 04:56:44PM +0800, Ganesh Mahendran wrote:
>> Currently zsmalloc is widely used in android device.
>> Sometimes, we want to see how frequently zs_compact is
>> triggered or how may pages freed by zs_com
Hello Ganesh,
On Tue, Jun 07, 2016 at 04:56:44PM +0800, Ganesh Mahendran wrote:
> Currently zsmalloc is widely used in android device.
> Sometimes, we want to see how frequently zs_compact is
> triggered or how may pages freed by zs_compact(), or which
> zsmalloc pool is compacted.
>
> Most of th
Currently zsmalloc is widely used in android device.
Sometimes, we want to see how frequently zs_compact is
triggered or how may pages freed by zs_compact(), or which
zsmalloc pool is compacted.
Most of the time, user can get the brief information from
trace_mm_shrink_slab_[start | end], but in so
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