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2025-12-18 - 23:27
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack0slot7.osadl.org (updated Thu Dec 18, 2025 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
101859699688280,408cyclictest0-21swapper/022:44:230
101860999480426,27cyclictest0-21swapper/1320:02:475
10185989945243,27cyclictest0-21swapper/220:51:598
10186089944844,403cyclictest0-21swapper/1220:41:464
10186049944822,425cyclictest0-21swapper/821:11:5914
10186089944544,401cyclictest0-21swapper/1222:07:584
10186059944116,28cyclictest9380-21Softwar~cThread19:31:1815
10185989944011,27cyclictest0-21swapper/220:19:428
10186129943714,28cyclictest0-21swapper/1423:48:416
1018600994365,428cyclictest0-21swapper/422:37:1910
1018601994340,28cyclictest0-21swapper/522:37:3011
1018608994330,432cyclictest149-21ksoftirqd/1219:47:594
1018598994310,27cyclictest0-21swapper/221:01:438
1018598994310,27cyclictest0-21swapper/221:01:438
10186089943022,403cyclictest0-21swapper/1221:22:274
10186089943022,403cyclictest0-21swapper/1221:22:274
101860999426424,1cyclictest0-21swapper/1321:11:595
10186129942523,401cyclictest0-21swapper/1419:16:386
101860999425422,2cyclictest1379608-21kworker/u64:4+events_unbound21:55:435
10186099942527,397cyclictest0-21swapper/1322:17:585
1018605994250,424cyclictest0-21swapper/921:27:1515
10186039942519,405cyclictest0-21swapper/723:14:5513
10186009942419,404cyclictest0-21swapper/422:05:5910
1018612994230,421cyclictest86750irq/170-nvme1q720:04:466
10186089942220,399cyclictest0-21swapper/1221:56:584
101860599422422,0cyclictest0-21swapper/919:18:0315
1018615994210,420cyclictest0-21swapper/1522:33:467
10186069942117,404cyclictest0-21swapper/1020:46:152
10186059942116,403cyclictest0-21swapper/919:37:2715
10185989942115,405cyclictest2042143-21kthreadcore23:25:228
1018612994200,420cyclictest0-21swapper/1419:11:226
1018612994200,419cyclictest0-21swapper/1419:46:596
10185969942012,404cyclictest0-21swapper/019:45:300
10186049941921,398cyclictest0-21swapper/820:40:4814
10186049941920,399cyclictest0-21swapper/823:29:2214
10186049941920,399cyclictest0-21swapper/821:35:5414
10186049941919,400cyclictest0-21swapper/820:56:2214
101859899419418,1cyclictest1261701-21kworker/2:0+i915-unordered20:09:248
10186099941819,399cyclictest0-21swapper/1322:45:435
101860799418414,3cyclictest1458442-21kworker/u64:0+events_unbound21:11:593
10186079941828,389cyclictest0-21swapper/1121:32:583
10186129941715,401cyclictest0-21swapper/1420:36:596
1018612994170,416cyclictest0-21swapper/1420:45:526
101860799416416,0cyclictest0-21swapper/1100:22:433
10186059941612,401cyclictest0-21swapper/920:33:3315
101860799415415,0cyclictest0-21swapper/1123:20:223
101860799415415,0cyclictest0-21swapper/1121:52:383
101860799415415,0cyclictest0-21swapper/1121:52:383
101860799415415,0cyclictest0-21swapper/1121:47:333
101860799415415,0cyclictest0-21swapper/1121:25:443
101860299415415,0cyclictest1634756-21kworker/6:0+pm22:00:1112
101860299415415,0cyclictest1634756-21kworker/6:0+events23:10:5812
101860299415414,1cyclictest1813875-21kworker/6:2+pm23:05:1212
10186009941519,396cyclictest0-21swapper/423:02:2210
1018615994140,414cyclictest0-21swapper/1520:57:587
1018615994140,413cyclictest0-21swapper/1522:21:587
1018605994148,405cyclictest85350irq/165-nvme1q219:51:2115
10186049941413,401cyclictest0-21swapper/800:11:1914
10186049941413,401cyclictest0-21swapper/800:11:1914
101860299414414,0cyclictest1614686-21kworker/6:1+pm22:23:1212
1018599994137,405cyclictest0-21swapper/320:09:479
101859899413410,2cyclictest0-21swapper/221:11:598
1018615994120,8cyclictest0-21swapper/1523:23:597
101861299412411,1cyclictest0-21swapper/1421:11:596
10186129941214,398cyclictest0-21swapper/1423:21:596
1018612994120,411cyclictest0-21swapper/1422:55:496
1018612994120,411cyclictest0-21swapper/1421:45:586
1018609994126,404cyclictest3617434-21glean.dispatche23:22:545
10186099941211,401cyclictest0-21swapper/1323:18:375
1018599994127,405cyclictest0-21swapper/300:00:529
101859999412410,2cyclictest2091656-21kworker/3:0+events00:23:499
101860999411409,1cyclictest1071944-21kworker/13:2+events19:49:435
1018605994117,404cyclictest0-21swapper/923:32:2315
10186019941110,401cyclictest0-21swapper/519:41:3911
1018599994117,404cyclictest0-21swapper/323:17:219
1018599994116,405cyclictest0-21swapper/319:41:269
1018599994115,406cyclictest0-21swapper/323:24:219
1018599994112,407cyclictest0-21swapper/323:06:559
10186129941012,398cyclictest0-21swapper/1422:27:586
10186129941012,398cyclictest0-21swapper/1422:27:586
1018609994103,404cyclictest0-21swapper/1321:30:225
1018609994094,404cyclictest0-21swapper/1321:28:585
1018599994091,407cyclictest8771-21IPDL12:10:199
1018609994083,405cyclictest0-21swapper/1323:57:515
1018609994083,405cyclictest0-21swapper/1323:57:505
1018609994082,406cyclictest0-21swapper/1320:31:305
1018603994083,404cyclictest0-21swapper/723:09:5413
1018599994083,405cyclictest0-21swapper/321:31:489
1018599994082,406cyclictest0-21swapper/321:58:449
1018599994082,406cyclictest0-21swapper/319:49:209
1018599994080,407cyclictest0-21swapper/323:13:219
1018598994085,402cyclictest0-21swapper/223:52:478
1018605994074,403cyclictest0-21swapper/921:43:5115
1018605994074,402cyclictest0-21swapper/922:23:4415
101859999407406,1cyclictest0-21swapper/321:23:329
101859999407406,1cyclictest0-21swapper/321:23:329
1018599994072,405cyclictest0-21swapper/319:26:369
1018615994060,1cyclictest0-21swapper/1523:09:207
1018609994066,400cyclictest0-21swapper/1321:42:145
101860999406403,2cyclictest957942-21kworker/13:1+events19:13:515
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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