[Eisfair] [e1] eiskernel 3.4.1 (Status 'stable') verfügbar - 3.16er Kernel für eisfair-1
Thomas Bork
tom at eisfair.org
So Aug 6 18:45:07 CEST 2017
Am 05.08.2017 um 20:15 schrieb ich:
> Ich habe mal spasshalber mit stress den PAE gequält:
> pvscsi # /usr/local/bin/stress --cpu 8 --io 4 --vm 7 --vm-bytes 128M
> --vm-hang 3 --timeout 60s
> stress: info: [15077] dispatching hogs: 8 cpu, 4 io, 7 vm, 0 hdd
> stress: info: [15077] successful run completed in 60s
Um die 8GB RAM (und nur die) auszulasten:
/usr/local/bin/stress --vm 7 --vm-bytes 1G --vm-hang 3 --timeout 240s
Es werden parallel 7 Threads gestartet, die jeweils 1GB Speicher belegen
und nach 3 Sekunden wieder freigeben. Das ganze wird nach 4 Minuten
wieder beendet.
top - 20:34:10 up 12 min, 2 users, load average: 0.23, 0.14, 0.09
Tasks: 84 total, 3 running, 81 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.0 us, 7.1 sy, 0.4 ni, 92.5 id, 0.0 wa, 0.0 hi, 0.0 si,
0.0 st
KiB Mem : 8316024 total, 2160052 free, 6131500 used, 24472 buff/cache
KiB Swap: 131068 total, 123228 free, 7840 used. 2020504 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+
COMMAND
5520 root 30 10 1050604 1.001g 872 S 6.291 12.62 0:03.38 stress
5518 root 30 10 1050604 1.001g 872 S 5.960 12.62 0:03.38 stress
5514 root 30 10 1050604 1.001g 872 S 5.629 12.62 0:03.15 stress
5515 root 30 10 1050604 1.001g 872 S 4.305 12.62 0:02.44 stress
5516 root 30 10 1050604 1.001g 872 S 4.305 12.62 0:02.84 stress
5517 root 30 10 1050604 416528 872 R 2.318 5.009 0:02.37 stress
5519 root 30 10 1050604 473872 872 R 2.318 5.698 0:02.37 stress
1 root 20 0 2204 4 4 S 0.000 0.000 0:01.66 init
2 root 20 0 0 0 0 S 0.000 0.000 0:00.00
kthreadd
3 root 20 0 0 0 0 S 0.000 0.000 0:00.10
ksoftirqd/0
4 root 20 0 0 0 0 S 0.000 0.000 0:00.00
kworker/0:0
5 root 0 -20 0 0 0 S 0.000 0.000 0:00.08
kworker/0:0H
6 root 20 0 0 0 0 S 0.000 0.000 0:00.29
kworker/u8:0
7 root 20 0 0 0 0 S 0.000 0.000 0:00.04
rcu_sched
8 root 20 0 0 0 0 S 0.000 0.000 0:00.00 rcu_bh
9 root rt 0 0 0 0 S 0.000 0.000 0:00.08
migration/0
10 root rt 0 0 0 0 S 0.000 0.000 0:00.05
migration/1
11 root 20 0 0 0 0 S 0.000 0.000 0:00.00
ksoftirqd/1
12 root 20 0 0 0 0 S 0.000 0.000 0:00.00
kworker/1:0
13 root 0 -20 0 0 0 S 0.000 0.000 0:00.00
kworker/1:0H
14 root rt 0 0 0 0 S 0.000 0.000 0:00.08
migration/2
15 root 20 0 0 0 0 S 0.000 0.000 0:00.00
ksoftirqd/2
16 root 20 0 0 0 0 S 0.000 0.000 0:00.00
kworker/2:0
17 root 0 -20 0 0 0 S 0.000 0.000 0:00.00
kworker/2:0H
18 root rt 0 0 0 0 S 0.000 0.000 0:00.04
migration/3
19 root 20 0 0 0 0 S 0.000 0.000 0:00.00
ksoftirqd/3
21 root 0 -20 0 0 0 S 0.000 0.000 0:00.00
kworker/3:0H
22 root 0 -20 0 0 0 S 0.000 0.000 0:00.00
khelper
23 root 20 0 0 0 0 S 0.000 0.000 0:00.02
kdevtmpfs
51 root 0 -20 0 0 0 S 0.000 0.000 0:00.00
writeback
57 root 39 19 0 0 0 S 0.000 0.000 0:00.00
khugepaged
60 root 0 -20 0 0 0 S 0.000 0.000 0:00.00 crypto
64 root 0 -20 0 0 0 S 0.000 0.000 0:00.00 bioset
68 root 0 -20 0 0 0 S 0.000 0.000 0:00.00
kblockd
634 root 0 -20 0 0 0 S 0.000 0.000 0:00.00 md
735 root 20 0 0 0 0 S 0.000 0.000 0:00.01
kworker/2:1
736 root 20 0 0 0 0 S 0.000 0.000 0:00.28
kworker/0:1
737 root 20 0 0 0 0 S 0.000 0.000 0:00.02
kworker/3:1
743 root 20 0 0 0 0 S 0.000 0.000 0:01.78
kswapd0
745 root 0 -20 0 0 0 S 0.000 0.000 0:00.00 vmstat
787 root 20 0 0 0 0 S 0.000 0.000 0:00.00
fsnotify_mark
807 root 0 -20 0 0 0 S 0.000 0.000 0:00.00
xfsalloc
809 root 0 -20 0 0 0 S 0.000 0.000 0:00.00
xfs_mru_cache
812 root 0 -20 0 0 0 S 0.000 0.000 0:00.00
xfslogd
965 root 0 -20 0 0 0 S 0.000 0.000 0:00.00
acpi_thermal_pm
1509 root 20 0 0 0 0 S 0.000 0.000 0:00.01
kworker/u8:2
[...]
pvscsi # /usr/local/bin/stress --vm 7 --vm-bytes 1G --vm-hang 3
--timeout 240s
stress: info: [5513] dispatching hogs: 0 cpu, 0 io, 7 vm, 0 hdd
stress: info: [5513] successful run completed in 240s
Ich kann keinerlei Probleme im Speichermanagement entdecken.
Versuche ich das mit 8 Threads (komplette 8GB nur von stress
ausgelastet, nichts mehr für das System selbst), schlägt der oom-killer zu:
Aug 6 20:28:23 pvscsi kernel: top invoked oom-killer: gfp_mask=0x201da,
order=0, oom_score_adj=0
Aug 6 20:28:23 pvscsi kernel: CPU: 0 PID: 5424 Comm: top Not tainted
3.16.46-eisfair-1-PAE #1
Aug 6 20:28:23 pvscsi kernel: Hardware name: VMware, Inc. VMware
Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015
Aug 6 20:28:23 pvscsi kernel: 00000000 00000286 f1d7fccc c137fa50
f3380460 000201da f1d7fd10 c137d72b
Aug 6 20:28:23 pvscsi kernel: c144d4c1 f338070c 000201da 00000000
00000000 00000000 00001fa9 00000000
Aug 6 20:28:23 pvscsi kernel: c14d1544 00000206 f1d7fd10 c11f6af7
000201da f3255320 00000000 f1d7fd3c
Aug 6 20:28:23 pvscsi kernel: Call Trace:
Aug 6 20:28:23 pvscsi kernel: [dump_stack+0x47/0x5b] dump_stack+0x47/0x5b
Aug 6 20:28:23 pvscsi kernel: [dump_header.isra.11+0x4f/0x15a]
dump_header.isra.11+0x4f/0x15a
Aug 6 20:28:23 pvscsi kernel: [___ratelimit+0x93/0xac] ?
___ratelimit+0x93/0xac
Aug 6 20:28:23 pvscsi kernel: [oom_kill_process+0x4b/0x2b1]
oom_kill_process+0x4b/0x2b1
Aug 6 20:28:23 pvscsi kernel: [has_ns_capability_noaudit+0x10/0x18] ?
has_ns_capability_noaudit+0x10/0x18
Aug 6 20:28:23 pvscsi kernel: [out_of_memory+0x206/0x233]
out_of_memory+0x206/0x233
Aug 6 20:28:23 pvscsi kernel: [__alloc_pages_nodemask+0x587/0x67c]
__alloc_pages_nodemask+0x587/0x67c
Aug 6 20:28:23 pvscsi kernel: [filemap_fault+0x251/0x34e]
filemap_fault+0x251/0x34e
Aug 6 20:28:23 pvscsi kernel: [__do_fault+0x29/0x5a] __do_fault+0x29/0x5a
Aug 6 20:28:23 pvscsi kernel: [do_read_fault.isra.94+0x180/0x237]
do_read_fault.isra.94+0x180/0x237
Aug 6 20:28:23 pvscsi kernel: [handle_mm_fault+0x4cd/0x926]
handle_mm_fault+0x4cd/0x926
Aug 6 20:28:23 pvscsi kernel: [__do_page_fault+0x38a/0x3d6]
__do_page_fault+0x38a/0x3d6
Aug 6 20:28:23 pvscsi kernel: [sys_pselect6+0x16d/0x17e] ?
SyS_pselect6+0x16d/0x17e
Aug 6 20:28:23 pvscsi kernel: [do_page_fault+0x0/0x0d] ?
vmalloc_sync_all+0x5/0x5
Aug 6 20:28:23 pvscsi kernel: [do_page_fault+0xb/0x0d]
do_page_fault+0xb/0xd
Aug 6 20:28:23 pvscsi kernel: [error_code+0x5a/0x60] error_code+0x5a/0x60
Aug 6 20:28:23 pvscsi kernel: [read_counter+0x58/0x92] ?
read_counter+0x58/0x92
Aug 6 20:28:23 pvscsi kernel: [do_page_fault+0x0/0x0d] ?
vmalloc_sync_all+0x5/0x5
Aug 6 20:28:23 pvscsi kernel: Mem-Info:
Aug 6 20:28:23 pvscsi kernel: DMA per-cpu:
Aug 6 20:28:23 pvscsi kernel: CPU 0: hi: 0, btch: 1 usd: 0
Aug 6 20:28:23 pvscsi kernel: CPU 1: hi: 0, btch: 1 usd: 0
Aug 6 20:28:23 pvscsi kernel: CPU 2: hi: 0, btch: 1 usd: 0
Aug 6 20:28:23 pvscsi kernel: CPU 3: hi: 0, btch: 1 usd: 0
Aug 6 20:28:23 pvscsi kernel: Normal per-cpu:
Aug 6 20:28:23 pvscsi kernel: CPU 0: hi: 186, btch: 31 usd: 0
Aug 6 20:28:23 pvscsi kernel: CPU 1: hi: 186, btch: 31 usd: 0
Aug 6 20:28:23 pvscsi kernel: CPU 2: hi: 186, btch: 31 usd: 0
Aug 6 20:28:23 pvscsi kernel: CPU 3: hi: 186, btch: 31 usd: 0
Aug 6 20:28:23 pvscsi kernel: HighMem per-cpu:
Aug 6 20:28:23 pvscsi kernel: CPU 0: hi: 186, btch: 31 usd: 0
Aug 6 20:28:23 pvscsi kernel: CPU 1: hi: 186, btch: 31 usd: 0
Aug 6 20:28:23 pvscsi kernel: CPU 2: hi: 186, btch: 31 usd: 0
Aug 6 20:28:23 pvscsi kernel: CPU 3: hi: 186, btch: 31 usd: 0
Aug 6 20:28:23 pvscsi kernel: active_anon:1700072 inactive_anon:296028
isolated_anon:0
Aug 6 20:28:23 pvscsi kernel: active_file:6 inactive_file:0
isolated_file:0
Aug 6 20:28:23 pvscsi kernel: unevictable:0 dirty:0 writeback:0 unstable:0
Aug 6 20:28:23 pvscsi kernel: free:72509 slab_reclaimable:554
slab_unreclaimable:3161
Aug 6 20:28:23 pvscsi kernel: mapped:5 shmem:1 pagetables:4090 bounce:0
Aug 6 20:28:23 pvscsi kernel: free_cma:0
Aug 6 20:28:23 pvscsi kernel: DMA free:15344kB min:788kB low:984kB
high:1180kB active_anon:0kB inactive_anon:0kB active_file:0kB
inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
present:15992kB managed:15916kB mlocked:0kB dirty:0kB writeback:0kB
mapped:0kB shmem:0kB slab_reclaimable:12kB slab_unreclaimable:288kB
kernel_stack:0kB pagetables:216kB unstable:0kB bounce:0kB free_cma:0kB
writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
Aug 6 20:28:23 pvscsi kernel: lowmem_reserve[]: 0 801 8105 8105
Aug 6 20:28:23 pvscsi kernel: Normal free:274452kB min:40760kB
low:50948kB high:61140kB active_anon:201560kB inactive_anon:305548kB
active_file:16kB inactive_file:0kB unevictable:0kB isolated(anon):0kB
isolated(file):0kB present:892920kB managed:820868kB mlocked:0kB
dirty:0kB writeback:0kB mapped:12kB shmem:0kB slab_reclaimable:2204kB
slab_unreclaimable:12356kB kernel_stack:704kB pagetables:16144kB
unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:24
all_unreclaimable? yes
Aug 6 20:28:23 pvscsi kernel: lowmem_reserve[]: 0 0 58431 58431
Aug 6 20:28:23 pvscsi kernel: HighMem free:240kB min:512kB low:93408kB
high:186304kB active_anon:6598728kB inactive_anon:878564kB
active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB
isolated(file):0kB present:7479240kB managed:7479240kB mlocked:0kB
dirty:0kB writeback:0kB mapped:8kB shmem:4kB slab_reclaimable:0kB
slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB
bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:21989
all_unreclaimable? yes
Aug 6 20:28:23 pvscsi kernel: lowmem_reserve[]: 0 0 0 0
Aug 6 20:28:23 pvscsi kernel: DMA: 4*4kB (UE) 4*8kB (UE) 2*16kB (UE)
3*32kB (UE) 1*64kB (U) 2*128kB (UE) 2*256kB (UE) 2*512kB (UE) 1*1024kB
(E) 2*2048kB (UE) 2*4096kB (MR) = 15344kB
Aug 6 20:28:23 pvscsi kernel: Normal: 139*4kB (UEM) 111*8kB (UEM)
55*16kB (UEM) 26*32kB (UEM) 15*64kB (UEM) 14*128kB (UEM) 13*256kB (UEM)
12*512kB (M) 7*1024kB (UEM) 1*2048kB (E) 61*4096kB (MR) = 274452kB
Aug 6 20:28:23 pvscsi kernel: HighMem: 4*4kB (M) 4*8kB (M) 1*16kB (M)
1*32kB (M) 1*64kB (M) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB
0*4096kB = 288kB
Aug 6 20:28:23 pvscsi kernel: 22584 total pagecache pages
Aug 6 20:28:23 pvscsi kernel: 22516 pages in swap cache
Aug 6 20:28:23 pvscsi kernel: Swap cache stats: add 32901, delete
10385, find 122/130
Aug 6 20:28:23 pvscsi kernel: Free swap = 0kB
Aug 6 20:28:23 pvscsi kernel: Total swap = 131068kB
Aug 6 20:28:23 pvscsi kernel: 2097038 pages RAM
Aug 6 20:28:23 pvscsi kernel: 1869810 pages HighMem/MovableOnly
Aug 6 20:28:23 pvscsi kernel: 0 pages reserved
Aug 6 20:28:23 pvscsi kernel: [ pid ] uid tgid total_vm rss
nr_ptes swapents oom_score_adj name
Aug 6 20:28:23 pvscsi kernel: [ 1850] 0 1850 2912 0
6 130 -1000 udevd
Aug 6 20:28:23 pvscsi kernel: [ 5214] 0 5214 519 1
4 26 0 syslogd
Aug 6 20:28:23 pvscsi kernel: [ 5217] 0 5217 915 334
4 110 0 klogd
Aug 6 20:28:23 pvscsi kernel: [ 5233] 0 5233 1450 93
4 0 -1000 sshd
Aug 6 20:28:23 pvscsi kernel: [ 5244] 0 5244 841 46
4 0 0 fcron
Aug 6 20:28:23 pvscsi kernel: [ 5335] 0 5335 3809 258
9 0 0 nmbd
Aug 6 20:28:23 pvscsi kernel: [ 5337] 0 5337 6584 322
15 26 0 smbd
Aug 6 20:28:23 pvscsi kernel: [ 5343] 0 5343 6102 332
13 0 0 smbd-notifyd
Aug 6 20:28:23 pvscsi kernel: [ 5344] 0 5344 6100 332
12 0 0 cleanupd
Aug 6 20:28:23 pvscsi kernel: [ 5354] 0 5354 6714 306
14 42 0 lpqd
Aug 6 20:28:23 pvscsi kernel: [ 5367] 0 5367 1132 26
5 7 0 mingetty
Aug 6 20:28:23 pvscsi kernel: [ 5368] 0 5368 1132 25
5 7 0 mingetty
Aug 6 20:28:23 pvscsi kernel: [ 5369] 0 5369 1132 28
5 5 0 mingetty
Aug 6 20:28:23 pvscsi kernel: [ 5370] 0 5370 1132 26
5 7 0 mingetty
Aug 6 20:28:23 pvscsi kernel: [ 5371] 0 5371 1591 143
5 0 0 sshd
Aug 6 20:28:23 pvscsi kernel: [ 5389] 0 5389 1739 91
6 0 0 bash
Aug 6 20:28:23 pvscsi kernel: [ 5424] 0 5424 1719 135
6 0 0 top
Aug 6 20:28:23 pvscsi kernel: [ 5425] 0 5425 1591 145
5 0 0 sshd
Aug 6 20:28:23 pvscsi kernel: [ 5443] 0 5443 1739 96
6 0 0 bash
Aug 6 20:28:23 pvscsi kernel: [ 5491] 0 5491 506 14
4 0 0 stress
Aug 6 20:28:23 pvscsi kernel: [ 5492] 0 5492 262651 258012
516 4096 0 stress
Aug 6 20:28:23 pvscsi kernel: [ 5493] 0 5493 262651 216589
432 2231 0 stress
Aug 6 20:28:23 pvscsi kernel: [ 5494] 0 5494 262651 218881
437 2049 0 stress
Aug 6 20:28:23 pvscsi kernel: [ 5495] 0 5495 262651 251951
500 1536 0 stress
Aug 6 20:28:23 pvscsi kernel: [ 5496] 0 5496 262651 253916
516 8192 0 stress
Aug 6 20:28:23 pvscsi kernel: [ 5497] 0 5497 262651 255472
516 6636 0 stress
Aug 6 20:28:23 pvscsi kernel: [ 5498] 0 5498 262651 258028
516 4097 0 stress
Aug 6 20:28:23 pvscsi kernel: [ 5499] 0 5499 262651 258653
516 3515 0 stress
Aug 6 20:28:23 pvscsi kernel: Out of memory: Kill process 5499 (stress)
score 120 or sacrifice child
Aug 6 20:28:23 pvscsi kernel: Killed process 5499 (stress)
total-vm:1050604kB, anon-rss:1034588kB, file-rss:24kB
pvscsi #
--
der tom
[eisfair-team]
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