On Sat, Aug 9, 2014 at 11:18 AM, Anatol Pomozov
wrote:
> Hi
>
> Another way to get more information about this problem is to use
> kernel traces. Let's enable block and writeback events:
>
> sudo su
> cd /sys/kernel/debug/tracing
> echo 1 > events/writeback/enable
> echo 1 > events/block/enable
>
Hi
On Fri, Aug 8, 2014 at 6:58 PM, Oon-Ee Ng wrote:
> On Wed, Aug 6, 2014 at 3:43 PM, Oon-Ee Ng wrote:
>> On Wed, Aug 6, 2014 at 10:40 AM, Anatol Pomozov
>> wrote:
>>> 'perf' is a great and very powerful tool that allow to debug problems
>>> like this. Run '# perf top -g -p $PID' and it will sh
On Wed, Aug 6, 2014 at 3:43 PM, Oon-Ee Ng wrote:
> On Wed, Aug 6, 2014 at 10:40 AM, Anatol Pomozov
> wrote:
>> 'perf' is a great and very powerful tool that allow to debug problems
>> like this. Run '# perf top -g -p $PID' and it will show where the
>> process spends *cpu cycles*. It should be en
On Wed, Aug 6, 2014 at 10:40 AM, Anatol Pomozov
wrote:
> Hi
>
> On Tue, Aug 5, 2014 at 4:37 PM, Oon-Ee Ng wrote:
>> This is after roughly 6-7 seconds, and 65 MB has already been written
>> by that kworker thread.
>
> How long this IO activity takes? Could it be some kind of automatic
> defragment
Hi
On Tue, Aug 5, 2014 at 4:37 PM, Oon-Ee Ng wrote:
> Yesterday night I noticed (just before performing an update my conky
> showing high continuous writing to root. iotop -Pa shows this:-
>
> Total DISK READ : 0.00 B/s | Total DISK WRITE : 8.93 M/s
> Actual DISK READ: 0.00 B/s
On Wed, Aug 6, 2014 at 7:37 AM, Oon-Ee Ng wrote:
> Any ideas on how to proceed? Next thing I'm going to try is
> downgrading linux to 3.15, but I thought I'd post this here first in
> case I don't make it back.
And I made it back alive. 3.15.8-1 does not have the same problem.
Also downgraded bbs
Yesterday night I noticed (just before performing an update my conky
showing high continuous writing to root. iotop -Pa shows this:-
Total DISK READ : 0.00 B/s | Total DISK WRITE : 8.93 M/s
Actual DISK READ: 0.00 B/s | Actual DISK WRITE: 11.06 M/s
PID PRIO USER DISK
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