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2026-04-06 - 18:55
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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 Mon Apr 06, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1701421420,3sleep217013-21sshd10:18:092
3023421350,1sleep00-21swapper/010:40:590
2264221330,4sleep31752999cyclictest10:44:033
876421190,2sleep10-21swapper/111:04:051
3214821040,1sleep00-21swapper/011:17:020
1721929732,61sleep30-21swapper/307:09:323
1705729133,12sleep20-21swapper/207:07:302
1724629032,49sleep10-21swapper/107:09:501
323822890,2sleep20-21swapper/211:06:302
323822890,2sleep20-21swapper/211:06:302
102542890,5sleep30-21swapper/311:55:523
295372860,4sleep00-21swapper/009:37:550
105802840,0sleep00-21swapper/011:07:410
105802840,0sleep00-21swapper/011:07:410
190962830,3sleep30-21swapper/309:40:263
120212830,0sleep00-21swapper/010:28:340
240502800,1sleep041ktimersoftd/009:41:000
174982800,2sleep10-21swapper/111:41:281
155212800,2sleep10-21swapper/110:32:181
175622790,2sleep20-21swapper/210:21:382
167662790,0sleep00-21swapper/011:37:530
111432790,2sleep10-21swapper/110:46:131
244542770,2sleep10-21swapper/110:26:211
81592750,1sleep08152-21sshd10:49:370
69052750,2sleep12512-21runrttasks09:42:421
314092750,3sleep10-21swapper/111:09:581
314092750,3sleep10-21swapper/111:09:571
221742750,3sleep11752799cyclictest10:58:361
313372730,2sleep20-21swapper/209:55:292
200902730,5sleep11752799cyclictest11:12:061
49662720,1sleep11752799cyclictest09:45:501
213312720,1sleep10-21swapper/112:08:521
197912720,3sleep11752799cyclictest09:22:581
32672700,4sleep11752799cyclictest10:09:501
233672700,0sleep223369-21timerandwakeup09:15:212
137522690,0sleep00-21swapper/012:12:000
110272680,3sleep01752199cyclictest11:44:340
162162670,4sleep11752799cyclictest11:22:151
323572650,4sleep11752799cyclictest10:16:161
1703025429,13sleep00-21swapper/007:07:080
188132520,0sleep218815-21id12:00:242
296962420,0sleep329695-21sshd10:51:563
71372360,2sleep30-21swapper/309:53:013
172152360,34sleep1144650irq/27-eth011:15:231
181912310,2sleep30-21swapper/310:07:563
261452280,1sleep226143-21sshd10:44:272
151092280,3sleep30-21swapper/310:57:493
113272280,25sleep3144650irq/27-eth010:03:483
41132270,25sleep2144650irq/27-eth011:32:242
17528992621,4cyclictest28181-21sshd11:35:202
83402250,0sleep00-21swapper/010:35:020
280972250,2sleep10-21swapper/110:37:031
1752799252,0cyclictest0-21swapper/110:02:221
1752799250,3cyclictest0-21swapper/112:31:471
1752799250,3cyclictest0-21swapper/110:43:551
1752799250,1cyclictest0-21swapper/109:31:111
100922250,3sleep30-21swapper/309:21:443
320872240,2sleep232088-21bash09:45:192
1752799247,10cyclictest144650irq/27-eth009:55:131
182052230,2sleep218204-21sshd12:39:392
1752799233,9cyclictest144650irq/27-eth012:02:231
1752799233,9cyclictest144650irq/27-eth009:50:381
1752799230,3cyclictest0-21swapper/112:21:111
1752799230,3cyclictest0-21swapper/111:57:221
1752799230,3cyclictest0-21swapper/111:30:521
1752799230,3cyclictest0-21swapper/110:50:381
1752799230,3cyclictest0-21swapper/109:18:121
1752799230,2cyclictest0-21swapper/112:28:181
1752799230,21cyclictest0-21swapper/110:22:541
132002230,20sleep3144650irq/27-eth012:20:013
202142220,0sleep00-21swapper/010:08:090
183532220,3sleep20-21swapper/212:12:382
1752799228,12cyclictest930-21sshd09:12:461
1752799222,19cyclictest0-21swapper/110:10:231
1752799222,12cyclictest144650irq/27-eth012:15:141
1752799222,0cyclictest0-21swapper/112:10:461
1752799220,4cyclictest0-21swapper/108:40:151
1752799220,3cyclictest0-21swapper/111:48:061
1752799220,3cyclictest0-21swapper/109:35:161
1752799220,3cyclictest0-21swapper/108:26:511
1752799220,3cyclictest0-21swapper/107:45:151
1752799220,2cyclictest0-21swapper/108:05:151
1752799220,20cyclictest0-21swapper/112:39:241
5202210,19sleep2144650irq/27-eth012:33:312
184902211,18sleep3144650irq/27-eth011:19:073
1752799210,3cyclictest0-21swapper/111:52:251
1752799210,3cyclictest0-21swapper/111:35:121
1752799210,3cyclictest0-21swapper/111:25:211
1752799210,3cyclictest0-21swapper/109:25:061
1752799210,2cyclictest0-21swapper/107:15:121
1752799210,2cyclictest0-21swapper/107:10:191
1752799210,19cyclictest0-21swapper/108:15:151
170272212,17sleep2144650irq/27-eth009:50:332
264542200,17sleep2144650irq/27-eth011:57:522
1752799202,0cyclictest0-21swapper/107:50:201
1752799200,9cyclictest0-21swapper/107:30:131
1752799200,2cyclictest0-21swapper/108:50:331
1752799200,2cyclictest0-21swapper/108:47:091
1752799200,2cyclictest0-21swapper/108:35:171
1752799200,2cyclictest0-21swapper/107:40:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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