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2026-01-03 - 04:44
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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 rackcslot8.osadl.org (updated Sat Jan 03, 2026 00:48:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
312509924022,159cyclictest0-21swapper/2200:23:0815
330891188180,6phc2sys0-21swapper/219:09:3612
312509917622,108cyclictest0-21swapper/2221:38:2615
312509917622,108cyclictest0-21swapper/2221:38:2515
31208991683,127cyclictest0-21swapper/1422:00:186
31183991667,133cyclictest0-21swapper/1023:45:152
31183991597,106cyclictest0-21swapper/1023:00:062
311959915012,113cyclictest151rcu_preempt22:17:584
312509914822,88cyclictest0-21swapper/2221:48:4115
312509914822,88cyclictest0-21swapper/2221:48:4015
311909914350,59cyclictest0-21swapper/1122:21:533
31128991430,90cyclictest0-21swapper/323:53:2423
311209914345,62cyclictest0-21swapper/221:42:4412
311209914345,62cyclictest0-21swapper/221:42:4412
312969914151,58cyclictest0-21swapper/2922:06:2622
311909914129,67cyclictest0-21swapper/1122:55:013
31120991410,84cyclictest0-21swapper/219:45:2712
312969914031,67cyclictest0-21swapper/2921:41:5022
312969914031,67cyclictest0-21swapper/2921:41:5022
312969914030,67cyclictest0-21swapper/2921:57:2022
312969914030,67cyclictest0-21swapper/2921:57:2022
311909914053,59cyclictest0-21swapper/1121:30:333
311909914053,59cyclictest0-21swapper/1121:30:333
311209914052,60cyclictest0-21swapper/200:31:2012
311209914052,58cyclictest0-21swapper/200:11:0112
311209914035,64cyclictest0-21swapper/221:18:2512
311209914035,64cyclictest0-21swapper/221:18:2512
312969913929,66cyclictest0-21swapper/2922:39:2022
312969913928,67cyclictest0-21swapper/2920:51:3822
312969913928,67cyclictest0-21swapper/2920:51:3722
31120991390,82cyclictest0-21swapper/222:10:4712
312969913833,69cyclictest0-21swapper/2922:47:3422
312409913828,90cyclictest151rcu_preempt00:39:3113
312409913810,109cyclictest151rcu_preempt23:55:0813
311209913856,61cyclictest0-21swapper/219:21:3812
311209913852,56cyclictest0-21swapper/222:19:1912
31120991380,85cyclictest0-21swapper/221:55:3312
31120991380,85cyclictest0-21swapper/221:55:3212
312969913746,61cyclictest0-21swapper/2922:14:4522
312969913730,70cyclictest0-21swapper/2923:44:4622
312969913730,63cyclictest0-21swapper/2900:16:1722
311909913744,63cyclictest0-21swapper/1119:55:463
311209913752,62cyclictest0-21swapper/220:10:1712
311209913751,51cyclictest0-21swapper/222:01:1012
311209913746,64cyclictest0-21swapper/220:07:5412
311209913728,65cyclictest0-21swapper/220:26:3612
311209913721,70cyclictest0-21swapper/200:28:4012
31120991370,82cyclictest0-21swapper/200:04:0512
312969913654,62cyclictest0-21swapper/2923:02:0122
312969913652,61cyclictest0-21swapper/2919:11:2922
312969913629,65cyclictest0-21swapper/2920:39:0722
311209913659,66cyclictest0-21swapper/221:53:4112
311209913659,66cyclictest0-21swapper/221:53:4012
311209913644,58cyclictest0-21swapper/221:00:1412
311209913644,58cyclictest0-21swapper/221:00:1412
311209913629,63cyclictest0-21swapper/223:14:4012
311209913626,67cyclictest0-21swapper/222:40:5712
312969913542,62cyclictest0-21swapper/2921:53:0422
312969913542,62cyclictest0-21swapper/2921:53:0422
312969913531,67cyclictest0-21swapper/2921:20:2922
312969913531,67cyclictest0-21swapper/2921:20:2822
312969913530,67cyclictest0-21swapper/2920:00:1922
312969913528,63cyclictest0-21swapper/2922:16:0222
312589913512,34cyclictest0-21swapper/2421:41:0117
312589913512,34cyclictest0-21swapper/2421:41:0117
312539913530,61cyclictest0-21swapper/2300:15:0716
311209913562,70cyclictest0-21swapper/223:50:1112
311209913539,64cyclictest0-21swapper/219:40:2412
31120991350,79cyclictest0-21swapper/222:29:2912
31120991350,78cyclictest0-21swapper/222:20:2512
312969913430,68cyclictest0-21swapper/2921:33:0222
312969913430,68cyclictest0-21swapper/2921:33:0222
312969913429,69cyclictest0-21swapper/2919:20:1522
312969913429,61cyclictest0-21swapper/2922:27:1622
312969913429,61cyclictest0-21swapper/2922:01:3722
312089913430,62cyclictest0-21swapper/1419:18:246
311909913429,60cyclictest0-21swapper/1122:25:223
311209913458,62cyclictest0-21swapper/220:45:1812
311209913458,62cyclictest0-21swapper/220:45:1712
311209913455,61cyclictest0-21swapper/223:42:4112
31120991340,76cyclictest0-21swapper/200:16:5412
31116991340,84cyclictest0-21swapper/100:19:021
312969913345,55cyclictest0-21swapper/2900:06:0822
312969913331,66cyclictest0-21swapper/2921:13:4922
312969913331,66cyclictest0-21swapper/2921:13:4822
312969913329,69cyclictest0-21swapper/2921:05:1922
312969913329,69cyclictest0-21swapper/2921:05:1822
312969913329,67cyclictest0-21swapper/2922:55:0322
312969913328,66cyclictest0-21swapper/2919:44:1722
312969913324,66cyclictest0-21swapper/2920:45:1322
312969913324,66cyclictest0-21swapper/2920:45:1222
312589913311,95cyclictest0-21swapper/2421:39:4017
312589913311,95cyclictest0-21swapper/2421:39:3917
312539913331,65cyclictest0-21swapper/2321:28:5616
312539913331,65cyclictest0-21swapper/2321:28:5516
312089913326,64cyclictest0-21swapper/1419:21:376
31128991330,72cyclictest0-21swapper/320:54:2323
31128991330,72cyclictest0-21swapper/320:54:2323
311209913350,72cyclictest0-21swapper/223:56:0412
311209913327,64cyclictest0-21swapper/220:44:1412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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