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2026-08-16 - 13:07
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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 Sun Aug 16, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9802920,2sleep32719199cyclictest23:52:083
116982870,0sleep00-21swapper/021:30:210
197712830,2sleep72719799cyclictest22:48:137
74782780,2sleep52719599cyclictest21:15:445
3882720,2sleep02717699cyclictest23:37:400
70002620,0sleep40-21swapper/423:59:464
165902550,0sleep70-21swapper/721:12:347
105042520,0sleep10-21swapper/122:44:071
302282510,2sleep72719799cyclictest00:33:377
2672925026,9sleep00-21swapper/019:01:280
2672925026,9sleep00-21swapper/019:01:280
44442490,0sleep00-21swapper/023:18:020
105382490,2sleep72719799cyclictest22:20:427
52862480,2sleep32719199cyclictest22:36:323
86802470,2sleep10-21swapper/123:14:421
2684524623,8sleep50-21swapper/519:03:015
2684524623,8sleep50-21swapper/519:03:015
171892450,0sleep217187-21sshd21:32:232
153012450,0sleep315297-21sshd23:56:333
14582450,0sleep40-21swapper/423:21:264
140402450,0sleep10-21swapper/123:51:021
110022450,0sleep20-21swapper/223:12:592
105502450,0sleep3391rcuc/323:36:233
81252440,0sleep40-21swapper/422:02:294
49612440,0sleep10-21swapper/122:02:181
290492440,0sleep40-21swapper/423:51:534
272432440,1sleep2758-21runrttasks23:26:282
170222440,0sleep2758-21runrttasks23:07:542
86992430,0sleep20-21swapper/222:33:102
77432430,0sleep50-21swapper/522:34:585
35432430,0sleep10-21swapper/123:39:411
272862430,0sleep70-21swapper/700:29:537
217852430,0sleep00-21swapper/022:30:200
264582420,0sleep40-21swapper/422:50:264
189532420,1sleep718952-21grep23:38:437
116592420,1sleep449-21ksoftirqd/423:41:524
89782410,0sleep00-21swapper/000:28:500
68472410,0sleep125-21ksoftirqd/122:51:031
65702410,1sleep16571-21grep21:37:111
43702410,0sleep50-21swapper/519:20:545
125392410,0sleep20-21swapper/222:04:352
321222400,0sleep60-21swapper/621:42:126
321222400,0sleep60-21swapper/621:42:126
2683824027,9sleep70-21swapper/719:02:557
2683824027,9sleep70-21swapper/719:02:557
172402400,0sleep70-21swapper/721:55:517
2698523926,9sleep20-21swapper/219:04:582
2698523926,9sleep20-21swapper/219:04:582
2695023928,8sleep30-21swapper/319:04:273
2695023928,8sleep30-21swapper/319:04:273
167922390,0sleep60-21swapper/621:16:096
167902390,0sleep00-21swapper/000:34:420
153602390,0sleep00-21swapper/021:46:390
2683223826,9sleep10-21swapper/119:02:491
2683223826,9sleep10-21swapper/119:02:491
2677323827,8sleep40-21swapper/419:02:044
2677323827,8sleep40-21swapper/419:02:044
2676423827,8sleep60-21swapper/619:01:586
2676423827,8sleep60-21swapper/619:01:586
208532380,0sleep1241ktimersoftd/123:04:331
138382370,0sleep1241ktimersoftd/123:49:181
303552270,0sleep00-21swapper/022:16:180
2719199207,1cyclictest41-21ksoftirqd/323:47:363
2719199206,2cyclictest41-21ksoftirqd/321:11:323
27191992018,1cyclictest41-21ksoftirqd/321:30:543
27191992016,1cyclictest41-21ksoftirqd/323:07:083
27191992015,3cyclictest464-21systemd-journal23:15:123
2719199193,1cyclictest41-21ksoftirqd/322:01:023
2719199192,1cyclictest41-21ksoftirqd/321:20:403
27191991917,1cyclictest41-21ksoftirqd/322:51:443
27191991917,1cyclictest41-21ksoftirqd/321:10:213
27191991916,1cyclictest41-21ksoftirqd/322:45:503
27191991915,2cyclictest41-21ksoftirqd/321:51:503
27191991915,1cyclictest41-21ksoftirqd/322:22:413
27191991914,3cyclictest41-21ksoftirqd/321:22:503
27191991913,4cyclictest41-21ksoftirqd/321:36:023
27191991913,3cyclictest41-21ksoftirqd/300:11:063
27191991816,1cyclictest41-21ksoftirqd/323:33:153
27191991816,1cyclictest41-21ksoftirqd/300:26:533
27191991816,1cyclictest41-21ksoftirqd/300:07:103
27191991816,1cyclictest41-21ksoftirqd/300:02:113
27191991814,1cyclictest41-21ksoftirqd/322:15:463
268832180,0sleep60-21swapper/600:08:056
106482180,0sleep60-21swapper/622:49:326
72422170,1sleep77241-21sshd23:09:117
323322170,0sleep50-21swapper/522:43:305
311512170,1sleep431153-21switchtime20:06:014
27195991715,1cyclictest57-21ksoftirqd/522:03:125
2719199174,2cyclictest121rcu_preempt22:10:583
27191991716,1cyclictest41-21ksoftirqd/323:21:563
27191991716,1cyclictest41-21ksoftirqd/323:01:003
27191991715,2cyclictest41-21ksoftirqd/323:29:213
27191991715,1cyclictest41-21ksoftirqd/323:41:273
27191991715,1cyclictest41-21ksoftirqd/323:16:583
27191991715,1cyclictest41-21ksoftirqd/321:48:413
27191991715,1cyclictest41-21ksoftirqd/300:35:173
27191991714,2cyclictest41-21ksoftirqd/322:34:103
27191991713,3cyclictest41-21ksoftirqd/322:58:223
2719199171,1cyclictest41-21ksoftirqd/322:27:543
2719199164,2cyclictest41-21ksoftirqd/300:22:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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