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2026-06-09 - 09:10
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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 rack3slot0.osadl.org (updated Tue Jun 09, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16679991262,49cyclictest756-21sshd22:11:130
12792900,0sleep10-21swapper/122:01:371
111972730,2sleep31668999cyclictest21:28:313
209902620,0sleep70-21swapper/700:02:137
1670599600,59cyclictest17212-21kworker/u16:322:11:135
15382520,0sleep00-21swapper/023:25:300
34132510,0sleep10-21swapper/122:24:041
125382510,2sleep01667999cyclictest00:09:190
16697995049,1cyclictest17646-21kworker/4:522:11:144
1637924925,8sleep50-21swapper/519:06:295
244592480,1sleep224458-21sshd23:02:332
98562470,0sleep30-21swapper/300:18:353
221202470,0sleep20-21swapper/223:56:402
16680994744,2cyclictest709-21systemd-logind22:11:131
50352460,0sleep70-21swapper/722:41:007
296882460,0sleep00-21swapper/023:19:370
269182460,0sleep30-21swapper/323:45:433
152172460,5sleep50-21swapper/500:07:405
152172460,5sleep50-21swapper/500:07:405
93662450,2sleep21668199cyclictest21:33:592
93662450,2sleep21668199cyclictest21:33:592
301432450,0sleep21-21systemd21:59:302
129252450,2sleep11668099cyclictest23:50:301
109822450,0sleep30-21swapper/300:14:513
297772440,0sleep40-21swapper/421:55:474
258532440,0sleep4471rcuc/422:36:404
243652440,1sleep233-21ksoftirqd/221:21:582
1671299444,39cyclictest0-21swapper/622:11:136
15432440,0sleep20-21swapper/221:54:012
274902430,0sleep70-21swapper/722:57:107
267842430,0sleep30-21swapper/321:44:253
248992430,0sleep00-21swapper/021:38:460
23622430,0sleep50-21swapper/523:01:165
1621024330,9sleep70-21swapper/719:04:157
148962430,0sleep00-21swapper/023:50:370
285762420,0sleep40-21swapper/422:46:014
173872420,0sleep50-21swapper/523:03:565
1644224231,8sleep30-21swapper/319:07:233
1402424223,4sleep40-21swapper/419:03:154
127482420,0sleep30-21swapper/322:33:593
56442410,0sleep25647-21kworker/u16:023:46:222
273382410,0sleep10-21swapper/122:36:451
228722410,0sleep50-21swapper/500:30:475
182352410,0sleep30-21swapper/323:26:293
1643924128,9sleep00-21swapper/019:07:200
1627624128,9sleep20-21swapper/219:05:062
93572400,0sleep50-21swapper/521:19:125
67692400,0sleep30-21swapper/321:41:293
40512400,0sleep30-21swapper/322:14:533
29862400,0sleep00-21swapper/022:31:400
1621324028,9sleep10-21swapper/119:04:171
113492400,2sleep21668199cyclictest00:30:032
245612390,2sleep01667999cyclictest22:04:490
188672390,0sleep10-21swapper/122:56:401
16681993937,1cyclictest13550irq/24-ahci[00022:11:132
1618223927,8sleep60-21swapper/619:03:496
257152380,0sleep50-21swapper/521:42:355
74192370,2sleep51670599cyclictest22:37:295
1671299298,3cyclictest65-21ksoftirqd/622:39:576
1670599258,0cyclictest0-21swapper/522:27:465
1670599250,4cyclictest0-21swapper/523:51:345
1669799254,3cyclictest49-21ksoftirqd/423:36:144
1668099253,6cyclictest5142-21sshd23:16:241
1668099253,6cyclictest5142-21sshd23:16:241
1670599246,1cyclictest11693-21kworker/5:100:27:085
1670599245,0cyclictest0-21swapper/522:51:005
1670599240,8cyclictest0-21swapper/522:15:385
16719992322,1cyclictest17212-21kworker/u16:322:11:147
1671299231,3cyclictest65-21ksoftirqd/622:46:176
1670599234,1cyclictest2824-21systemd-cgroups23:25:345
1669799237,3cyclictest49-21ksoftirqd/423:11:214
16697992317,4cyclictest49-21ksoftirqd/423:28:464
16697992310,2cyclictest49-21ksoftirqd/421:37:064
16697992310,2cyclictest49-21ksoftirqd/421:37:064
16689992321,1cyclictest14842-21kworker/u16:422:11:133
1668099234,7cyclictest26175-21grepconf.sh22:14:161
1668099233,5cyclictest8808-21sshd22:05:501
1668099233,2cyclictest12792-21systemd-cgroups23:54:131
16679992318,4cyclictest9-21ksoftirqd/023:34:200
16719992216,4cyclictest73-21ksoftirqd/700:18:147
16712992210,1cyclictest65-21ksoftirqd/600:16:476
1670599225,11cyclictest26361-21sshd23:58:405
1670599225,0cyclictest0-21swapper/523:57:345
1670599220,0cyclictest0-21swapper/522:32:145
1669799228,1cyclictest49-21ksoftirqd/423:55:344
1669799225,1cyclictest49-21ksoftirqd/421:25:324
1669799224,2cyclictest49-21ksoftirqd/422:49:214
16681992210,3cyclictest33-21ksoftirqd/223:37:152
1668099224,6cyclictest12482-21kill21:28:341
1668099224,3cyclictest704-21nscd21:44:281
1668099223,7cyclictest0-21swapper/123:20:471
1668099223,5cyclictest15036-21id00:07:391
1668099223,5cyclictest15036-21id00:07:391
1671999214,3cyclictest73-21ksoftirqd/721:26:007
1671299219,3cyclictest65-21ksoftirqd/623:37:036
1671299215,3cyclictest65-21ksoftirqd/621:47:596
1670599210,5cyclictest0-21swapper/523:33:485
1669799215,1cyclictest49-21ksoftirqd/422:57:334
16697992114,4cyclictest49-21ksoftirqd/422:20:324
1668099214,7cyclictest21389-21grepconf.sh21:27:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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