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2026-06-27 - 12:11
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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 rackdslot4.osadl.org (updated Sat Jun 27, 2026 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
327402229163,22sleep30-21swapper/319:09:133
325122204170,23sleep10-21swapper/119:06:141
3132203169,22sleep20-21swapper/219:09:462
325432202169,22sleep00-21swapper/019:06:380
1687521440,5sleep366399cyclictest00:00:143
997121360,5sleep366399cyclictest23:45:183
33328061,10sleep10-21swapper/119:10:001
1385916854,8phc2sys0-21swapper/319:10:003
138491630,1ptp4l401ktimersoftd/320:57:163
661996023,8cyclictest25-21ksoftirqd/123:05:261
138491600,1ptp4l401ktimersoftd/323:18:443
661995820,10cyclictest25-21ksoftirqd/122:40:251
661995630,7cyclictest25-21ksoftirqd/119:30:121
661995627,8cyclictest25-21ksoftirqd/121:40:141
661995623,6cyclictest25-21ksoftirqd/100:15:131
661995622,4cyclictest25-21ksoftirqd/121:00:151
138491550,1ptp4l401ktimersoftd/319:50:253
661995426,3cyclictest25-21ksoftirqd/123:49:241
661995425,3cyclictest25-21ksoftirqd/122:22:141
661995423,8cyclictest25-21ksoftirqd/122:35:141
661995423,7cyclictest25-21ksoftirqd/123:15:251
661995422,4cyclictest25-21ksoftirqd/121:30:181
661995421,4cyclictest25-21ksoftirqd/120:20:131
661995421,4cyclictest25-21ksoftirqd/119:25:181
661995413,5cyclictest25-21ksoftirqd/119:55:141
661995413,4cyclictest25-21ksoftirqd/120:35:221
138491540,1ptp4l401ktimersoftd/320:38:123
661995321,7cyclictest25-21ksoftirqd/100:15:001
661995321,6cyclictest25-21ksoftirqd/120:10:131
661995321,4cyclictest25-21ksoftirqd/120:00:121
661995318,4cyclictest25-21ksoftirqd/121:10:161
661995317,4cyclictest25-21ksoftirqd/121:05:251
661995316,8cyclictest25-21ksoftirqd/122:15:121
661995315,4cyclictest25-21ksoftirqd/123:35:121
661995314,4cyclictest25-21ksoftirqd/120:55:131
138491530,1ptp4l401ktimersoftd/323:31:023
138491530,1ptp4l391rcuc/320:44:463
661995224,3cyclictest25-21ksoftirqd/100:37:061
661995218,4cyclictest25-21ksoftirqd/121:45:171
661995121,3cyclictest25-21ksoftirqd/121:55:041
661995119,3cyclictest25-21ksoftirqd/122:50:201
661995118,8cyclictest25-21ksoftirqd/100:00:211
66199505,3cyclictest25-21ksoftirqd/122:30:231
66199504,3cyclictest23716-21kworker/1:122:55:151
661995016,3cyclictest25-21ksoftirqd/100:30:201
661995014,4cyclictest25-21ksoftirqd/120:16:051
66199495,3cyclictest25-21ksoftirqd/122:25:241
66199492,3cyclictest25-21ksoftirqd/121:20:221
661994918,8cyclictest25-21ksoftirqd/123:55:161
661994916,4cyclictest25-21ksoftirqd/121:25:261
661994910,4cyclictest25-21ksoftirqd/123:23:271
66199486,2cyclictest25-21ksoftirqd/123:40:241
661994821,10cyclictest25-21ksoftirqd/119:15:241
661994817,7cyclictest25-21ksoftirqd/122:45:211
661994817,10cyclictest25-21ksoftirqd/123:50:241
661994811,8cyclictest25-21ksoftirqd/120:34:131
66199477,2cyclictest25-21ksoftirqd/123:30:261
66199476,5cyclictest25-21ksoftirqd/119:35:241
66199475,6cyclictest25-21ksoftirqd/100:05:151
66199475,6cyclictest25-21ksoftirqd/100:05:151
66199475,2cyclictest25-21ksoftirqd/122:05:021
66199474,2cyclictest25-21ksoftirqd/120:05:161
661994714,3cyclictest25-21ksoftirqd/121:50:111
66199465,6cyclictest25-21ksoftirqd/120:25:111
66199464,2cyclictest25-21ksoftirqd/122:10:241
66199463,3cyclictest25-21ksoftirqd/123:05:001
66199463,2cyclictest25-21ksoftirqd/123:10:141
66199463,2cyclictest25-21ksoftirqd/123:10:131
66199463,2cyclictest25-21ksoftirqd/121:15:271
661994617,9cyclictest25-21ksoftirqd/119:45:211
661994616,3cyclictest25-21ksoftirqd/119:21:571
661994516,7cyclictest25-21ksoftirqd/120:45:191
661994514,7cyclictest25-21ksoftirqd/120:50:221
661994512,3cyclictest25-21ksoftirqd/122:01:391
66199444,2cyclictest25-21ksoftirqd/120:40:181
66199443,2cyclictest25-21ksoftirqd/119:50:241
66199441,2cyclictest25-21ksoftirqd/121:35:231
66199440,2cyclictest25-21ksoftirqd/119:40:131
138491440,8ptp4l401ktimersoftd/323:06:103
661994330,4cyclictest25-21ksoftirqd/100:25:201
66199431,6cyclictest25-21ksoftirqd/100:20:151
138491430,0ptp4l401ktimersoftd/322:15:363
138491430,0ptp4l401ktimersoftd/321:49:293
138491430,0ptp4l401ktimersoftd/320:54:373
138491430,0ptp4l401ktimersoftd/300:20:253
660994236,3cyclictest9-21ksoftirqd/023:15:000
660994236,3cyclictest9-21ksoftirqd/023:15:000
66199403,3cyclictest121rcu_preempt23:25:251
663993832,4cyclictest41-21ksoftirqd/300:16:113
66099380,3cyclictest121rcu_preempt23:08:490
138491380,0ptp4l401ktimersoftd/323:41:213
663993731,4cyclictest41-21ksoftirqd/319:59:473
663993731,4cyclictest41-21ksoftirqd/319:21:413
662993731,4cyclictest33-21ksoftirqd/223:43:442
662993731,4cyclictest33-21ksoftirqd/223:27:032
662993731,4cyclictest33-21ksoftirqd/222:34:402
662993731,4cyclictest33-21ksoftirqd/200:02:422
662993730,4cyclictest33-21ksoftirqd/221:10:032
663993631,3cyclictest887-21cut20:15:163
663993631,3cyclictest41-21ksoftirqd/322:56:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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