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2026-08-30 - 00:42
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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
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Sat Aug 29, 2026 13:02:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1087099204193,7cyclictest0-21swapper/3711:02:3231
1087099204193,7cyclictest0-21swapper/3711:02:3231
1083099204199,4cyclictest0-21swapper/311:43:1323
1083099204199,4cyclictest0-21swapper/311:43:1323
1083099204199,4cyclictest0-21swapper/311:43:1223
108269920370,129cyclictest0-21swapper/010:10:130
108269920370,129cyclictest0-21swapper/010:10:130
108269920370,129cyclictest0-21swapper/010:10:130
1083099201191,9cyclictest0-21swapper/309:54:2223
1083099201191,9cyclictest0-21swapper/309:54:2223
1084699199164,9cyclictest0-21swapper/1609:25:458
1084699199164,9cyclictest0-21swapper/1609:25:448
1085299196153,17cyclictest171rcu_preempt07:29:2114
1085299196153,17cyclictest171rcu_preempt07:29:2014
10854991911,88cyclictest0-21swapper/2308:05:2216
1085499191144,39cyclictest0-21swapper/2312:26:3016
1085499191144,39cyclictest0-21swapper/2312:26:2916
1086099190135,45cyclictest0-21swapper/2711:42:4520
1086099190135,45cyclictest0-21swapper/2711:42:4520
1086099190135,45cyclictest0-21swapper/2711:42:4520
1085299188178,6cyclictest0-21swapper/2111:05:1814
1085299188178,6cyclictest0-21swapper/2111:05:1714
1085299187155,8cyclictest171rcu_preempt10:34:0214
1085299187155,8cyclictest171rcu_preempt10:34:0214
1083099187121,62cyclictest37265-21CPU23
1083099187121,62cyclictest37265-21CPU23
1083099187121,62cyclictest37265-21CPU23
1084899186182,2cyclictest0-21swapper/1811:00:1910
1084899186182,2cyclictest0-21swapper/1811:00:1810
1083099185158,7cyclictest0-21swapper/311:32:3023
1083099185158,7cyclictest0-21swapper/311:32:3023
1086099184149,14cyclictest0-21swapper/2712:25:2220
1086099184149,14cyclictest0-21swapper/2712:25:2120
1085299183178,3cyclictest0-21swapper/2109:52:5214
1085299183178,3cyclictest0-21swapper/2109:52:5214
1085299183130,22cyclictest0-21swapper/2110:49:1514
1085299183130,22cyclictest0-21swapper/2110:49:1514
1085299183130,22cyclictest0-21swapper/2110:49:1414
1083099182168,11cyclictest0-21swapper/311:23:4123
1083099182168,11cyclictest0-21swapper/311:23:4023
1087099181153,17cyclictest2464-21CPU31
1087099181153,17cyclictest2464-21CPU31
1087099181115,52cyclictest3609-21CPU31
1087099181115,52cyclictest3609-21CPU31
1085299181153,25cyclictest2466-21CPU14
1085299181153,25cyclictest2466-21CPU14
1083599181176,3cyclictest0-21swapper/712:25:2337
1083599181176,3cyclictest0-21swapper/712:25:2237
1087099180100,66cyclictest3547-21CPU31
1087099180100,66cyclictest3547-21CPU31
1085299180131,24cyclictest0-21swapper/2112:25:5014
1085299180131,24cyclictest0-21swapper/2112:25:4914
1083099180166,12cyclictest0-21swapper/310:34:1423
1083099180166,12cyclictest0-21swapper/310:34:1423
1082699180129,41cyclictest0-21swapper/011:41:520
1082699180129,41cyclictest0-21swapper/011:41:510
1082699180129,41cyclictest0-21swapper/011:41:510
1087099179171,6cyclictest0-21swapper/3712:38:4431
1087099179171,6cyclictest0-21swapper/3712:38:4331
1086099179134,15cyclictest0-21swapper/2710:06:2220
1086099179134,15cyclictest0-21swapper/2710:06:2220
1086099179134,15cyclictest0-21swapper/2710:06:2120
1085699179164,10cyclictest0-21swapper/2512:06:1618
1085699179164,10cyclictest0-21swapper/2512:06:1618
1085699179164,10cyclictest0-21swapper/2512:06:1518
1085399179152,19cyclictest0-21swapper/2212:29:5815
1085399179152,19cyclictest0-21swapper/2212:29:5715
1085299179124,39cyclictest2459-21CPU14
1083099179162,12cyclictest0-21swapper/310:22:5023
1083099179162,12cyclictest0-21swapper/310:22:5023
1083099179162,12cyclictest0-21swapper/310:22:5023
1083099179155,13cyclictest0-21swapper/312:32:2323
1083099179155,13cyclictest0-21swapper/312:32:2223
1082699179130,46cyclictest0-21swapper/012:10:190
1082699179130,46cyclictest0-21swapper/012:10:190
1082699179130,46cyclictest0-21swapper/012:10:180
1082699179123,46cyclictest0-21swapper/010:18:580
1082699179123,46cyclictest0-21swapper/010:18:580
1082699179123,46cyclictest0-21swapper/010:18:580
1085399178166,9cyclictest35509-21sshd12:10:3215
1085399178166,9cyclictest35509-21sshd12:10:3215
1085399178166,9cyclictest35509-21sshd12:10:3115
1084799178102,62cyclictest2464-21CPU9
1084799178102,62cyclictest2464-21CPU9
1084799178102,62cyclictest2464-21CPU9
1083099178163,13cyclictest0-21swapper/310:41:0023
1083099178163,13cyclictest0-21swapper/310:41:0023
1085599177172,3cyclictest0-21swapper/2410:55:2717
1085599177172,3cyclictest0-21swapper/2410:55:2717
1083099177163,13cyclictest0-21swapper/312:28:4223
1083099177163,13cyclictest0-21swapper/312:28:4123
1083099177157,12cyclictest0-21swapper/311:19:2623
1083099177157,12cyclictest0-21swapper/311:19:2623
1086099176161,13cyclictest0-21swapper/2711:22:1820
1086099176161,13cyclictest0-21swapper/2711:22:1820
1085399176151,20cyclictest0-21swapper/2208:42:1515
1085399176151,20cyclictest0-21swapper/2208:42:1515
1084799176112,56cyclictest2459-21CPU9
1084799176112,56cyclictest2459-21CPU9
1083899176163,8cyclictest0-21swapper/809:13:5738
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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