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2026-09-05 - 06:46
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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 Sep 05, 2026 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591235168,22phc2sys0-21swapper/319:09:363
578622270,13sleep10-21swapper/119:05:181
71642206175,21sleep20-21swapper/219:09:172
71132202167,23sleep00-21swapper/019:08:390
2962721610,2sleep3751499cyclictest23:05:233
72202132106,14sleep00-21swapper/019:10:000
7512996830,9cyclictest25-21ksoftirqd/121:50:121
191452610,4sleep319149-21phc2sys22:45:223
5512570,7sleep1751299cyclictest23:15:001
7512995613,10cyclictest25-21ksoftirqd/120:10:281
138491540,1ptp4l401ktimersoftd/322:01:143
751299539,9cyclictest25-21ksoftirqd/121:30:021
7512995218,6cyclictest25-21ksoftirqd/119:40:211
70132520,2sleep00-21swapper/000:30:210
138491520,1ptp4l401ktimersoftd/321:24:183
7512994710,4cyclictest25-21ksoftirqd/121:15:151
7511994716,3cyclictest9-21ksoftirqd/021:55:190
138491470,0ptp4l401ktimersoftd/320:28:463
751299469,4cyclictest25-21ksoftirqd/122:15:211
751299468,4cyclictest25-21ksoftirqd/121:40:251
751299468,4cyclictest25-21ksoftirqd/120:05:121
751299468,4cyclictest25-21ksoftirqd/100:20:251
7512994636,3cyclictest25-21ksoftirqd/122:30:291
751299462,3cyclictest25-21ksoftirqd/120:15:231
751299462,2cyclictest25-21ksoftirqd/123:20:161
7512994614,4cyclictest25-21ksoftirqd/123:00:131
7512994614,10cyclictest25-21ksoftirqd/123:05:141
7512994611,5cyclictest25-21ksoftirqd/121:08:371
7512994610,4cyclictest25-21ksoftirqd/121:10:011
751299460,3cyclictest20442-21grep23:55:011
7513994540,3cyclictest25055-21sh21:55:002
7512994541,2cyclictest25-21ksoftirqd/119:49:591
7512994536,3cyclictest25-21ksoftirqd/123:45:211
751299453,3cyclictest25-21ksoftirqd/100:05:081
751299453,2cyclictest25-21ksoftirqd/120:25:191
7512994519,3cyclictest121rcu_preempt19:50:121
751299451,2cyclictest25-21ksoftirqd/122:35:241
7512994511,8cyclictest25-21ksoftirqd/100:15:141
751299446,2cyclictest25-21ksoftirqd/100:00:221
751299443,2cyclictest25-21ksoftirqd/120:40:181
7512994414,6cyclictest25-21ksoftirqd/123:35:221
7511994416,4cyclictest9-21ksoftirqd/023:05:120
7511994411,3cyclictest9-21ksoftirqd/020:20:010
751299436,8cyclictest25-21ksoftirqd/122:55:221
751299436,3cyclictest25-21ksoftirqd/120:35:141
7512994338,2cyclictest25-21ksoftirqd/122:00:001
7512994337,3cyclictest25-21ksoftirqd/121:30:011
751299432,3cyclictest25-21ksoftirqd/119:30:121
751299431,6cyclictest25-21ksoftirqd/123:15:251
751299430,3cyclictest25-21ksoftirqd/119:35:211
751199431,2cyclictest121rcu_preempt00:40:010
751299429,10cyclictest25-21ksoftirqd/120:55:251
751299423,8cyclictest25-21ksoftirqd/122:50:011
7512994237,3cyclictest25-21ksoftirqd/122:25:001
7512994236,3cyclictest25-21ksoftirqd/120:55:001
7512994236,3cyclictest25-21ksoftirqd/119:25:011
7512994233,3cyclictest25-21ksoftirqd/100:10:261
751299423,2cyclictest25-21ksoftirqd/122:40:161
751299422,6cyclictest25-21ksoftirqd/119:55:201
751299422,3cyclictest25-21ksoftirqd/119:15:271
751299421,3cyclictest25-21ksoftirqd/122:10:121
751299421,3cyclictest25-21ksoftirqd/121:45:221
751299421,2cyclictest25-21ksoftirqd/122:05:261
751299420,2cyclictest25-21ksoftirqd/100:30:161
751199421,39cyclictest12511-21sshd23:36:550
751299414,2cyclictest25-21ksoftirqd/120:45:261
7512994136,2cyclictest25-21ksoftirqd/100:00:011
7512994134,3cyclictest25-21ksoftirqd/122:50:101
751299412,2cyclictest25-21ksoftirqd/119:25:251
751299411,5cyclictest25-21ksoftirqd/122:25:231
751299411,5cyclictest25-21ksoftirqd/100:35:121
751299411,2cyclictest25-21ksoftirqd/121:20:211
7512994111,5cyclictest25-21ksoftirqd/123:30:201
138491410,0ptp4l401ktimersoftd/321:17:083
7512994035,3cyclictest25-21ksoftirqd/121:40:011
751299403,2cyclictest25-21ksoftirqd/123:25:191
751299403,2cyclictest25-21ksoftirqd/123:25:191
751299401,5cyclictest25-21ksoftirqd/120:30:231
7512994010,4cyclictest25-21ksoftirqd/120:00:201
7511994012,3cyclictest9-21ksoftirqd/019:20:260
7513993931,5cyclictest33-21ksoftirqd/222:55:112
751399391,35cyclictest23112-21anacron00:00:072
7512993934,3cyclictest25-21ksoftirqd/100:30:001
751299392,2cyclictest25-21ksoftirqd/120:20:211
7512993913,3cyclictest25-21ksoftirqd/123:43:181
751299390,2cyclictest121rcu_preempt22:00:121
751199399,4cyclictest9-21ksoftirqd/022:50:160
751199398,3cyclictest9-21ksoftirqd/023:20:250
751199398,3cyclictest9-21ksoftirqd/019:55:180
751199392,3cyclictest121rcu_preempt22:25:120
7511993910,3cyclictest9-21ksoftirqd/023:50:000
138491390,0ptp4l401ktimersoftd/322:20:013
7512993835,2cyclictest25-21ksoftirqd/119:15:001
7512993832,3cyclictest25-21ksoftirqd/121:00:121
7511993834,3cyclictest9-21ksoftirqd/022:10:010
7511993833,2cyclictest9-21ksoftirqd/020:35:000
1866823832,3sleep341-21ksoftirqd/320:35:213
138491380,0ptp4l401ktimersoftd/323:43:543
7513993731,4cyclictest33-21ksoftirqd/221:27:372
7513993731,4cyclictest33-21ksoftirqd/220:25:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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