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2023-04-01 - 15:28

x86 Intel Xeon i3-1578L v5 @2000 MHz, Linux 4.19.246-rt110 (Profile)

Latency plot of system in rack #5, slot #3
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100, highest latencies:
System rack5slot3.osadl.org (updated Sat Apr 01, 2023 12:49:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18092994644,1cyclictest0-21swapper/608:05:306
1807099420,0cyclictest996-21snmpd12:25:132
18092994141,0cyclictest0-21swapper/612:21:266
18055994141,0cyclictest0-21swapper/012:23:440
1807599400,1cyclictest0-21swapper/310:35:023
18092993838,0cyclictest0-21swapper/607:55:346
18055993838,0cyclictest0-21swapper/007:55:010
1807099370,0cyclictest0-21swapper/210:25:352
18087993636,0cyclictest996-21snmpd12:24:115
18075993636,0cyclictest0-21swapper/308:00:213
1807599360,0cyclictest0-21swapper/312:22:553
1807099360,35cyclictest0-21swapper/212:23:222
18099993533,1cyclictest996-21snmpd12:21:477
18092993434,0cyclictest0-21swapper/612:25:206
18087993434,0cyclictest0-21swapper/512:25:075
18064993433,1cyclictest1004-21lldpd12:23:061
1806499340,1cyclictest996-21snmpd07:25:251
18082993333,0cyclictest0-21swapper/412:23:044
18092993232,0cyclictest0-21swapper/607:25:246
18087993230,1cyclictest29211-21grep07:25:285
18055993232,0cyclictest0-21swapper/010:25:280
18082993110,2cyclictest0-21swapper/410:19:134
18082993029,0cyclictest0-21swapper/412:25:074
18075993029,1cyclictest0-21swapper/308:13:173
18075993029,1cyclictest0-21swapper/308:13:173
18055992826,1cyclictest1-21systemd07:15:000
18092992725,1cyclictest0-21swapper/610:20:006
18075992726,1cyclictest0-21swapper/312:25:093
18087992525,0cyclictest0-21swapper/508:00:255
18075992525,0cyclictest76350irq/125-eth011:13:573
18075992525,0cyclictest76350irq/125-eth007:15:503
18055992524,1cyclictest996-21snmpd11:20:240
18055992523,1cyclictest996-21snmpd07:15:280
18099992424,0cyclictest0-21swapper/707:59:077
18082992323,0cyclictest0-21swapper/409:45:014
18082992323,0cyclictest0-21swapper/409:45:014
18082992320,2cyclictest1071-21nscd10:36:004
18075992323,0cyclictest0-21swapper/307:59:373
18092992218,4cyclictest703-21nscd10:30:216
18075992220,0cyclictest76350irq/125-eth009:49:333
18075992220,0cyclictest76350irq/125-eth009:49:333
18064992216,6cyclictest803-21gmain09:58:151
18099992119,1cyclictest12499-21ls11:20:297
18099992110,10cyclictest0-21swapper/708:00:517
18099992110,0cyclictest0-21swapper/710:24:507
18092992116,2cyclictest641ktimersoftd/610:37:346
18087992120,1cyclictest1004-21lldpd07:50:315
18075992121,0cyclictest76350irq/125-eth011:40:293
18055992120,1cyclictest720-21irqbalance11:36:340
18099992020,0cyclictest0-21swapper/708:15:117
18099992010,4cyclictest0-21swapper/711:11:187
18099992010,10cyclictest0-21swapper/710:34:567
1809999200,20cyclictest0-21swapper/711:59:257
18087992020,0cyclictest0-21swapper/510:35:365
18075992020,0cyclictest76350irq/125-eth012:00:453
18075992020,0cyclictest76350irq/125-eth007:29:583
18075992019,1cyclictest0-21swapper/311:55:423
18064992010,4cyclictest0-21swapper/108:05:281
18055992010,5cyclictest0-21swapper/010:33:110
18055992010,5cyclictest0-21swapper/009:40:420
18087991910,6cyclictest0-21swapper/510:22:405
18082991917,1cyclictest1004-21lldpd11:47:354
18075991919,0cyclictest76350irq/125-eth010:32:483
18070991910,5cyclictest0-21swapper/210:19:192
18064991910,2cyclictest0-21swapper/110:35:011
18055991915,1cyclictest15899-21diskmemload10:24:450
18055991910,2cyclictest0-21swapper/010:16:100
18099991818,0cyclictest0-21swapper/708:08:467
18099991810,0cyclictest0-21swapper/708:10:287
18099991810,0cyclictest0-21swapper/708:10:277
18092991818,0cyclictest0-21swapper/611:43:396
18092991813,3cyclictest1004-21lldpd09:41:266
18087991810,4cyclictest0-21swapper/511:12:035
18087991810,4cyclictest0-21swapper/509:48:575
18087991810,4cyclictest0-21swapper/509:48:575
18087991810,0cyclictest0-21swapper/510:35:005
18082991817,1cyclictest1004-21lldpd10:40:464
18082991817,1cyclictest0-21swapper/407:25:294
18082991810,4cyclictest0-21swapper/411:14:514
18075991818,0cyclictest76350irq/125-eth008:06:183
18075991818,0cyclictest76350irq/125-eth007:54:253
18075991818,0cyclictest76350irq/125-eth007:12:423
18075991817,1cyclictest76350irq/125-eth010:22:473
18070991816,2cyclictest0-21swapper/210:41:442
18070991813,3cyclictest703-21nscd10:32:512
18070991810,3cyclictest0-21swapper/210:39:352
18070991810,2cyclictest0-21swapper/209:44:012
18064991810,6cyclictest0-21swapper/110:18:361
18064991810,5cyclictest0-21swapper/109:44:281
18064991810,4cyclictest0-21swapper/109:46:211
18064991810,4cyclictest0-21swapper/109:46:211
18064991810,3cyclictest0-21swapper/107:10:221
18055991810,4cyclictest0-21swapper/007:50:160
18099991715,1cyclictest1004-21lldpd11:15:207
18099991710,7cyclictest0-21swapper/710:25:007
18099991710,5cyclictest0-21swapper/707:15:257
18099991710,4cyclictest0-21swapper/709:41:087
18099991710,0cyclictest0-21swapper/712:19:247
1809999170,15cyclictest0-21swapper/709:47:597
1809999170,15cyclictest0-21swapper/709:47:597
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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