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2026-08-18 - 10:35
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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 rack5slot0.osadl.org (updated Tue Aug 18, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2319821300,4sleep1952999cyclictest23:23:141
3002621270,1sleep10-21swapper/121:24:301
1064821250,1sleep010643-21bash21:45:290
2390621220,1sleep123908-21bash22:30:281
2559821200,4sleep3953199cyclictest23:32:133
150521180,2sleep10-21swapper/122:58:091
1183421120,0sleep111836-21id22:06:071
150742990,1sleep015061-21sshd23:13:550
223822980,1sleep022368-21sshd23:00:120
234002970,0sleep023394-21sshd22:45:100
912429627,40sleep10-21swapper/119:08:091
163422940,4sleep2953099cyclictest21:28:572
155592940,0sleep041ktimersoftd/023:34:150
260802890,1sleep026079-21bash22:04:380
220002870,1sleep30-21swapper/300:06:323
908228632,44sleep30-21swapper/319:07:383
181992850,2sleep218198-21sshd21:34:452
126652850,2sleep30-21swapper/322:12:103
90982830,0sleep00-21swapper/022:23:300
43702820,2sleep24360-21sshd22:55:172
319422820,2sleep10-21swapper/122:43:021
319422820,2sleep10-21swapper/122:43:021
253502810,2sleep225352-21fschecks_time20:55:152
253502810,2sleep225352-21fschecks_time20:55:142
22212810,1sleep30-21swapper/322:20:043
218122790,2sleep221810-21bash23:00:102
203672790,1sleep20-21swapper/223:17:102
76822780,2sleep20-21swapper/222:05:442
255092780,2sleep2953099cyclictest21:15:302
208932760,3sleep2953099cyclictest22:47:442
135322760,1sleep30-21swapper/323:54:263
241062750,1sleep10-21swapper/100:26:551
42142740,2sleep30-21swapper/323:56:233
327072740,3sleep0952899cyclictest22:54:590
157552710,2sleep10-21swapper/123:34:161
80222700,2sleep20-21swapper/223:24:472
257592700,2sleep10-21swapper/122:36:291
257592700,2sleep10-21swapper/122:36:281
7412680,1sleep10-21swapper/100:04:451
206342680,2sleep3422-21jbd2/dm-0-821:34:583
315762670,4sleep1952999cyclictest22:51:401
204452610,1sleep344-21ksoftirqd/323:02:523
892025833,12sleep20-21swapper/219:05:462
213442433,37sleep3144650irq/27-eth000:35:183
893324133,4sleep00-21swapper/019:05:550
52372410,1sleep05218-21sshd23:15:470
179972340,31sleep1144650irq/27-eth021:34:461
211812310,1sleep021179-21bash22:15:560
65992300,2sleep110695-21nscd22:49:231
310632300,1sleep041ktimersoftd/000:18:560
243282280,1sleep00-21swapper/022:42:210
243282280,1sleep00-21swapper/022:42:200
224542280,1sleep022448-21bash23:37:390
207812281,25sleep3144650irq/27-eth000:26:383
132022270,25sleep1144650irq/27-eth023:07:561
53422260,0sleep05336-21sshd00:36:460
323582260,2sleep20-21swapper/223:35:372
89402240,1sleep28942-21sshd23:45:192
36672240,3sleep33648-21sshd23:21:273
35202240,22sleep1144650irq/27-eth021:13:301
273372240,1sleep327338-21bash22:45:253
247892240,2sleep20-21swapper/222:33:282
145982240,2sleep10-21swapper/123:13:521
953099230,20cyclictest9035-21sshd21:42:372
204722232,19sleep3144650irq/27-eth021:58:133
181982230,20sleep1144650irq/27-eth000:32:081
181982230,20sleep1144650irq/27-eth000:32:081
174762230,2sleep20-21swapper/219:25:202
952899225,2cyclictest0-21swapper/021:50:140
952899220,21cyclictest0-21swapper/000:20:310
27262220,19sleep1144650irq/27-eth023:35:531
169692220,2sleep116948-21sshd23:40:051
120402220,3sleep0952899cyclictest00:34:310
120402220,3sleep0952899cyclictest00:34:300
116232220,1sleep041ktimersoftd/000:00:010
953099213,16cyclictest0-21swapper/223:06:492
952899210,19cyclictest8-21rcu_preempt21:43:260
78902212,17sleep3144650irq/27-eth021:13:553
229872210,19sleep3144650irq/27-eth022:39:243
229872210,19sleep3144650irq/27-eth022:39:243
9531992018,1cyclictest0-21swapper/319:32:433
953199200,7cyclictest0-21swapper/322:57:153
952899205,14cyclictest3-21ksoftirqd/021:11:180
9528992013,6cyclictest3-21ksoftirqd/000:10:290
311222200,2sleep30-21swapper/322:16:513
22032200,18sleep3144650irq/27-eth023:18:283
13282200,3sleep22023-21nfsd00:36:252
953099197,11cyclictest2024-21nfsd23:30:382
953099195,7cyclictest0-21swapper/221:38:362
953099195,10cyclictest17407-21bash00:09:072
9530991916,2cyclictest0-21swapper/222:00:112
9530991913,4cyclictest0-21swapper/222:26:482
952899198,10cyclictest3-21ksoftirqd/000:08:490
952899197,1cyclictest10-21rcuc/023:22:220
952899195,3cyclictest3-21ksoftirqd/021:27:210
952899195,13cyclictest3-21ksoftirqd/022:08:520
952899194,14cyclictest3-21ksoftirqd/023:47:460
9528991916,2cyclictest8-21rcu_preempt22:37:480
9528991916,2cyclictest8-21rcu_preempt22:37:480
9528991913,5cyclictest3-21ksoftirqd/000:28:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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