[blfs-dev] Resources for qtwebengine

Thomas Trepl thomas at linuxfromscratch.org
Wed Dec 13 04:39:49 PST 2017


hi all,

I'm currently trying to compile version 5.10 but it seems my machine is 
too small. It is a VBox-VM with 2GB RAM, 2GB swap partition but 
compilation failed with "virtual memory exhausted". I increased the mem 
to 3 GB but it looks like the process runs in same situation (currently 
at 13957/21739 targets to compile).

This is 'top' right now:

top - 13:14:03 up  1:19,  2 users,  load average: 7,32, 7,33, 7,18
Tasks: 129 total,   1 running,  84 sleeping,   0 stopped,   0 zombie
%CPU0  :  0,0 us,  0,0 sy,  0,0 ni,  0,0 id,100,0 wa,  0,0 hi,  0,0 si,  
0,0
%CPU1  :  0,0 us,  0,7 sy,  0,0 ni,  0,0 id, 98,0 wa,  0,0 hi,  1,3 si,  
0,0
%CPU2  :  0,0 us,  0,0 sy,  0,0 ni,100,0 id,  0,0 wa,  0,0 hi,  0,0 si,  
0,0
%CPU3  :  0,0 us,  0,7 sy,  0,0 ni,  0,0 id, 96,7 wa,  0,0 hi,  2,6 si,  
0,0
KiB Spch:  3084404 total,    57668 free,  3001192 used,    25544 
buff/cache
KiB Swap:  2097148 total,    63060 free,  2034088 used.    14114 avail 
Spch

   PID USER      PR  NI    VIRT    RES  %CPU %MEM     ZEIT+ S BEFEHL
    48 root      20   0    0,0m   0,0m   0,7  0,0   0:09.14 D kswapd0
  4329 thomas    20   0  846,9m 308,6m   0,7 10,2   0:23.73 D cc1plus
  4332 thomas    20   0  853,5m 314,3m   0,7 10,4   0:22.28 D cc1plus
  4335 thomas    20   0  855,7m 285,3m   0,7  9,5   0:22.19 D cc1plus
  4559 thomas    20   0 1313,0m 809,5m   0,7 26,9   0:15.93 D cc1plus
     1 root      20   0    4,2m   0,1m   0,0  0,0   0:00.34 S init
     2 root      20   0    0,0m   0,0m   0,0  0,0   0:00.00 S kthreadd
     3 root      20   0    0,0m   0,0m   0,0  0,0   0:00.00 I kworker/0:0
     4 root       0 -20    0,0m   0,0m   0,0  0,0   0:00.00 I 
kworker/0:0H
     6 root       0 -20    0,0m   0,0m   0,0  0,0   0:00.00 I 
mm_percpu_wq
     7 root      20   0    0,0m   0,0m   0,0  0,0   0:03.29 S ksoftirqd/0
     8 root      20   0    0,0m   0,0m   0,0  0,0   0:05.08 I rcu_preempt
     9 root      20   0    0,0m   0,0m   0,0  0,0   0:00.00 I rcu_sched
    10 root      20   0    0,0m   0,0m   0,0  0,0   0:00.00 I rcu_bh
    11 root      rt   0    0,0m   0,0m   0,0  0,0   0:00.02 S migration/0
    12 root      rt   0    0,0m   0,0m   0,0  0,0   0:00.02 S watchdog/0
    13 root      20   0    0,0m   0,0m   0,0  0,0   0:00.00 S cpuhp/0

I added another GB swapfile right now (so total swap is 3GB) Lets see 
whether this helps.

Btw, QT-5.10 compiled fine with 2GB/2GB. How are your machines 
dimensioned to compile qtwebengine?

--
Thomas


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