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2023-06-09 - 09:40

x86 Intel Xeon E3-1220L V2 @2300 MHz, Linux 4.18.7-rt5 (Profile)

Latency plot of system in rack #0, slot #1
Data to construct the above plot have been generated using the RT test utility cyclictest.
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 rack0slot1.osadl.org (updated Fri Jun 09, 2023 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9295996361,1cyclictest52-21ksoftirqd/422:50:484
9292995452,1cyclictest34-21ksoftirqd/222:50:482
9291995350,2cyclictest25-21ksoftirqd/121:55:421
9292995048,1cyclictest34-21ksoftirqd/222:35:492
9324994947,1cyclictest79-21ksoftirqd/722:50:487
9313994946,2cyclictest70-21ksoftirqd/622:35:496
9324994842,5cyclictest79-21ksoftirqd/722:20:477
9293994843,3cyclictest43-21ksoftirqd/322:35:493
9313994643,2cyclictest70-21ksoftirqd/621:55:426
9313994642,2cyclictest9681-21check_snmp22:20:476
9324994540,4cyclictest79-21ksoftirqd/722:55:467
9293994542,2cyclictest43-21ksoftirqd/322:50:483
9324994442,1cyclictest79-21ksoftirqd/722:35:497
9300994438,5cyclictest61-21ksoftirqd/521:55:425
9291994441,1cyclictest25-21ksoftirqd/122:35:491
9313994341,1cyclictest70-21ksoftirqd/622:25:416
9295994341,1cyclictest52-21ksoftirqd/422:55:464
9295994340,1cyclictest52-21ksoftirqd/422:35:494
9293994340,2cyclictest43-21ksoftirqd/322:55:463
9292994341,1cyclictest34-21ksoftirqd/222:25:412
9295994240,1cyclictest52-21ksoftirqd/422:20:474
9291994240,1cyclictest25-21ksoftirqd/122:50:481
9313994138,2cyclictest13628-21check_snmp22:50:486
9300994135,5cyclictest61-21ksoftirqd/522:35:495
9290994139,1cyclictest9-21ksoftirqd/021:55:420
9295994038,1cyclictest52-21ksoftirqd/421:55:424
9292994038,1cyclictest34-21ksoftirqd/222:20:472
9291994038,1cyclictest25-21ksoftirqd/122:25:411
9293993933,5cyclictest43-21ksoftirqd/321:55:423
9292993935,3cyclictest34-21ksoftirqd/222:55:462
9291993936,2cyclictest25-21ksoftirqd/122:55:461
9290993936,2cyclictest9719-21snmpget22:20:470
9300993836,1cyclictest61-21ksoftirqd/522:25:415
9295993835,2cyclictest20968-21check_snmp22:25:414
9300993735,1cyclictest61-21ksoftirqd/522:50:485
9295993735,1cyclictest52-21ksoftirqd/422:30:394
9313993633,1cyclictest70-21ksoftirqd/622:55:466
9291993634,1cyclictest25-21ksoftirqd/122:30:391
9291993634,1cyclictest25-21ksoftirqd/122:20:471
9292993533,1cyclictest34-21ksoftirqd/221:55:422
9291993533,1cyclictest25-21ksoftirqd/121:40:461
9290993531,3cyclictest9-21ksoftirqd/022:35:490
9324993432,1cyclictest79-21ksoftirqd/722:25:417
9300993432,1cyclictest61-21ksoftirqd/522:20:475
9293993432,1cyclictest43-21ksoftirqd/322:20:473
9292993432,1cyclictest34-21ksoftirqd/221:05:362
9324993331,1cyclictest79-21ksoftirqd/721:55:427
9292993331,1cyclictest34-21ksoftirqd/222:30:392
9290993330,2cyclictest9-21ksoftirqd/022:25:410
9290993329,3cyclictest9-21ksoftirqd/022:50:480
9300993230,1cyclictest61-21ksoftirqd/522:55:465
929399320,27cyclictest0-21swapper/320:23:273
9292993230,1cyclictest34-21ksoftirqd/223:35:502
9290993129,1cyclictest9-21ksoftirqd/022:55:460
9291993028,1cyclictest25-21ksoftirqd/121:30:391
9292992824,3cyclictest34-21ksoftirqd/221:30:392
9324992725,1cyclictest79-21ksoftirqd/722:30:397
9313992724,2cyclictest70-21ksoftirqd/621:30:396
9292992725,1cyclictest34-21ksoftirqd/221:40:462
9313992623,2cyclictest70-21ksoftirqd/621:05:366
9313992623,2cyclictest14925-21check_snmp21:40:466
9300992623,1cyclictest61-21ksoftirqd/521:05:365
9295992623,2cyclictest52-21ksoftirqd/421:05:364
9295992622,3cyclictest52-21ksoftirqd/421:40:464
9295992610,3cyclictest2453-21openvpn22:44:314
9292992613,1cyclictest14150irq/24-ahci[00019:44:352
9313992523,1cyclictest70-21ksoftirqd/622:30:396
9300992522,1cyclictest61-21ksoftirqd/522:30:395
9295992522,2cyclictest52-21ksoftirqd/423:35:504
9292992512,1cyclictest18903-21GC23:59:412
929299250,1cyclictest18904-21GC23:59:412
9291992523,1cyclictest25-21ksoftirqd/119:39:541
929599241,1cyclictest18902-21GC23:59:414
9293992412,1cyclictest2453-21openvpn21:59:433
9291992422,1cyclictest25-21ksoftirqd/123:50:351
9291992422,1cyclictest25-21ksoftirqd/121:05:361
929199241,1cyclictest19184-21kworker/1:222:45:371
932499231,1cyclictest18906-21GC23:59:417
9324992311,1cyclictest18903-21GC23:59:417
932499230,1cyclictest18904-21GC23:59:417
9313992320,1cyclictest70-21ksoftirqd/623:50:356
9295992310,1cyclictest1269-21df_inode20:49:344
929099230,1cyclictest190150irq/25-eth000:01:430
932499220,1cyclictest18904-21GC23:59:417
9295992220,1cyclictest25746-21sshd23:50:354
9295992219,2cyclictest52-21ksoftirqd/421:30:394
9293992219,2cyclictest43-21ksoftirqd/321:40:463
9291992219,2cyclictest25-21ksoftirqd/123:35:501
929099228,2cyclictest28183-21perl00:23:400
929099227,1cyclictest4111-21perl19:23:500
9290992219,1cyclictest9-21ksoftirqd/021:40:460
9300992112,1cyclictest18900-21GC23:59:415
930099211,1cyclictest18902-21GC23:59:415
930099210,13cyclictest0-21swapper/521:22:395
9295992118,2cyclictest14853-21postmaster00:12:184
9293992119,1cyclictest43-21ksoftirqd/322:25:413
9292992119,1cyclictest34-21ksoftirqd/223:50:352
9292992119,1cyclictest34-21ksoftirqd/219:39:542
929199218,1cyclictest241ktimersoftd/120:15:521
9300992018,1cyclictest61-21ksoftirqd/523:35:505
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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