I just flashed Ubuntu 13.10 and the performance is back to normal. Compile
time of 42m38s.
I will flash Ubuntu 14 again and retest.
On Tuesday, September 16, 2014 10:13:20 AM UTC-5, Richard-tx wrote:
>
>
> Unles I flashed it wrong twice in a row. I can't see how I could have
> botched the job.
>
> I think that the next step is to report this as a bug. Something in the
> kernel itself is causing the issue.
>
> Does anyone have a url for reporting bugs?
>
> Richard
>
> On Monday, September 15, 2014 5:23:16 PM UTC-5, William Hermans wrote:
>>
>> There is also the chance that you somehow botched something on the Ubuntu
>> install. This can also cause performance issues. Such as if you did not
>> completely delete the root file system from debian before installing Ubuntu
>> on the same media. . . . You might think this would not be a problem. but
>> it can be . . .
>>
>> On Mon, Sep 15, 2014 at 3:20 PM, William Hermans <yyr...@gmail.com>
>> wrote:
>>
>>> Ok so take a look at the output of pstree there. Notice how the "init
>>> system" is all over the tree ? First you have init as pid 1. then way down
>>> the tree you have systemd, followed by several upstart processes. This is
>>> normal from what I can tell on my own PC based Ubuntu installs ( actually
>>> Lubuntu, the same thing with different window manager ). But I also think
>>> this helps Ubuntu perform noticeably slower compared to Debian.
>>>
>>> I notice a performance difference on PCs as well. Debian, being much
>>> lighter just does some things faster.
>>>
>>> However, you can always google "Ubuntu 14.04 performance tuning" and see
>>> what you turn up. With that said, is there a particular package that Ubuntu
>>> has that Debian does not ? Otherwise ditch Ubuntu and go back to Debian . .
>>> .
>>>
>>> On Mon, Sep 15, 2014 at 10:00 AM, Richard-tx <rich.a...@gmail.com>
>>> wrote:
>>>
>>>> Here is pstree -A
>>>>
>>>> pstree -A
>>>> init-+-acpid
>>>> |-avahi-daemon---avahi-daemon
>>>> |-cron
>>>> |-dbus-daemon
>>>> |-dhclient
>>>> |-7*[getty]
>>>> |-rsyslogd---3*[{rsyslogd}]
>>>> |-sshd---bash
>>>> |-sshd-+-sshd---bash---tail
>>>> | |-sshd---bash---su---ksh---pstree
>>>> | `-sshd---ksh
>>>> |-systemd-udevd
>>>> |-udhcpd
>>>> |-upstart-file-br
>>>> |-upstart-socket-
>>>> `-upstart-udev-br
>>>>
>>>>
>>>> and top
>>>>
>>>> # top
>>>> top - 11:59:28 up 1 day, 8:37, 4 users, load average: 0.01, 0.05,
>>>> 0.05
>>>> Tasks: 82 total, 1 running, 81 sleeping, 0 stopped, 0 zombie
>>>> %Cpu(s): 0.3 us, 0.3 sy, 0.0 ni, 99.3 id, 0.0 wa, 0.0 hi, 0.0
>>>> si, 0.0 st
>>>> KiB Mem: 508500 total, 474208 used, 34292 free, 13664 buffers
>>>> KiB Swap: 1048572 total, 832 used, 1047740 free. 409384 cached
>>>> Mem
>>>>
>>>>
>>>>
>>>>
>>>> On Monday, September 15, 2014 2:50:57 AM UTC-5, William Hermans wrote:
>>>>>
>>>>> Show us the output of pstree
>>>>> .
>>>>>
>>>>> On Mon, Sep 15, 2014 at 12:38 AM, Richard-tx <rich.a...@gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Here is the output from vmstat 2
>>>>>>
>>>>>> You can see where I start the build.
>>>>>>
>>>>>> # vmstat 2
>>>>>> procs -----------memory---------- ---swap-- -----io---- -system--
>>>>>> ------cpu-----
>>>>>> r b swpd free buff cache si so bi bo in cs us
>>>>>> sy id wa st
>>>>>> 1 0 832 12476 14188 427668 0 0 5 38 83 61 10
>>>>>> 1 88 1 0
>>>>>> 0 0 832 12420 14188 427668 0 0 0 0 21 47 0
>>>>>> 0 100 0 0
>>>>>> 0 0 832 12452 14188 427668 0 0 0 0 23 45 0
>>>>>> 1 100 0 0
>>>>>> 0 0 832 12452 14196 427664 0 0 0 6 27 54 0
>>>>>> 0 100 0 0
>>>>>> 0 0 832 12452 14196 427668 0 0 0 0 21 50 0
>>>>>> 0 100 0 0
>>>>>> 0 0 832 12296 14196 427668 0 0 0 2 23 47 0
>>>>>> 0 100 0 0
>>>>>> 0 0 832 12328 14196 427668 0 0 0 0 26 45 0
>>>>>> 0 100 0 0
>>>>>> 0 0 832 12328 14200 427664 0 0 0 4 31 54 0
>>>>>> 0 100 0 0
>>>>>> 0 0 832 12296 14200 427668 0 0 0 0 24 44 0
>>>>>> 0 100 0 0
>>>>>> 0 0 832 12320 14200 427668 0 0 0 0 35 70 0
>>>>>> 0 100 0 0
>>>>>> 1 0 832 4308 14200 426788 0 0 0 684 560 399 69
>>>>>> 13 19 0 0
>>>>>> 0 0 832 13136 14200 425656 0 0 0 128 201 94 25
>>>>>> 2 73 0 0
>>>>>> 0 1 832 9392 14204 425412 0 0 0 102 261 258 34
>>>>>> 6 34 26 0
>>>>>> 1 0 832 9020 14208 425528 0 0 0 154 568 272 91
>>>>>> 9 0 1 0
>>>>>> 1 0 832 7160 14208 425588 0 0 0 92 448 278 70
>>>>>> 8 22 0 0
>>>>>> 1 0 832 13300 14216 425660 0 0 0 240 597 490 84
>>>>>> 15 0 1 0
>>>>>> 1 0 832 12152 14216 425704 0 0 0 130 635 513 87
>>>>>> 13 0 0 0
>>>>>> 2 0 832 10540 14224 425756 0 0 0 172 580 407 87
>>>>>> 13 0 1 0
>>>>>> 1 0 832 8308 14224 425876 0 0 0 140 585 431 91
>>>>>> 9 0 0 0
>>>>>> 2 0 832 10540 14224 425924 0 0 0 198 572 329 89
>>>>>> 11 0 0 0
>>>>>> 1 0 832 9300 14232 426016 0 0 0 172 584 436 88
>>>>>> 11 0 0 0
>>>>>> 1 0 832 9548 14232 426076 0 0 0 162 563 267 90
>>>>>> 10 0 0 0
>>>>>> 1 0 832 8152 14240 426148 0 0 0 130 476 373 68
>>>>>> 11 22 0 0
>>>>>> 1 0 832 8680 14240 426216 0 0 0 152 599 541 83
>>>>>> 17 0 0 0
>>>>>> 1 0 832 7068 14240 426264 0 0 0 98 461 340 71
>>>>>> 8 20 0 0
>>>>>>
>>>>>>
>>>>>> --
>>>>>> For more options, visit http://beagleboard.org/discuss
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>>>>>>
>>>>>
>>>>> --
>>>> For more options, visit http://beagleboard.org/discuss
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>>>
>>>
>>
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