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2026-05-09 - 14:12
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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 Sat May 09, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1513921370,0sleep215141-21id11:33:462
2187521150,2sleep30-21swapper/311:56:313
18213210330,69sleep30-21swapper/307:09:053
318462980,1sleep031844-21bash10:01:270
178752980,1sleep018525-21cyclictest10:28:490
319592940,2sleep10-21swapper/110:26:241
10022880,2sleep30-21swapper/311:39:243
38852870,2sleep22024-21nfsd10:16:032
90512860,2sleep10-21swapper/112:13:401
307332850,4sleep31854699cyclictest11:07:143
240162850,6sleep30-21swapper/309:18:223
1827728533,48sleep10-21swapper/107:09:511
309432840,3sleep01853399cyclictest12:30:380
303822840,4sleep31854699cyclictest12:00:523
13902830,2sleep10-21swapper/110:52:291
99612820,1sleep00-21swapper/012:13:470
139102820,2sleep20-21swapper/211:01:202
248132800,2sleep20-21swapper/209:56:442
157862800,1sleep315751-21sshd09:45:113
212562790,3sleep20-21swapper/210:03:502
117542790,2sleep20-21swapper/210:50:092
306572770,2sleep230654-21bash09:19:052
272942770,1sleep20-21swapper/209:46:182
241162770,2sleep10-21swapper/109:45:581
25752760,4sleep11853799cyclictest08:55:161
13652750,2sleep10-21swapper/111:43:031
247282740,3sleep11853799cyclictest11:45:471
128342740,2sleep20-21swapper/209:41:212
119882740,1sleep30-21swapper/310:46:113
20062730,2sleep20-21swapper/212:39:102
19632730,2sleep20-21swapper/211:46:532
248192720,4sleep31854699cyclictest09:39:183
282132690,3sleep01853399cyclictest09:57:100
165072690,2sleep01853399cyclictest09:34:380
97662680,2sleep10-21swapper/112:35:491
1800826533,9sleep20-21swapper/207:06:282
254152630,3sleep325405-21sshd10:21:503
138632630,1sleep10-21swapper/109:24:051
276482580,2sleep01853399cyclictest12:23:050
1811625732,14sleep00-21swapper/007:07:510
167512380,0sleep116752-21sshd09:59:511
192902330,1sleep02024-21nfsd09:52:220
16912330,3sleep30-21swapper/312:12:423
143862320,2sleep1211ktimersoftd/110:32:051
120302310,3sleep112032-21bash09:10:181
162872290,3sleep01853399cyclictest10:10:280
162872290,3sleep01853399cyclictest10:10:280
103052270,4sleep11853799cyclictest09:41:041
40612260,1sleep04062-21sshd10:30:560
199452260,2sleep20-21swapper/212:29:362
1854699250,4cyclictest15272-21id09:20:443
181812253,20sleep1144650irq/27-eth011:30:251
180032250,3sleep217994-21sshd10:21:002
295062240,2sleep10-21swapper/112:34:321
258622240,2sleep30-21swapper/312:08:053
219152240,3sleep221914-21sshd10:32:552
74392230,21sleep1144650irq/27-eth012:02:031
69342230,2sleep30-21swapper/311:47:253
283972230,21sleep3144650irq/27-eth009:32:213
238622230,0sleep00-21swapper/010:07:320
145902230,0sleep214588-21sshd12:03:002
159782220,1sleep11853799cyclictest12:21:341
88242210,19sleep1144650irq/27-eth010:05:491
1854299211,11cyclictest21323-21bash09:14:462
148232210,19sleep1144650irq/27-eth010:10:231
148232210,19sleep1144650irq/27-eth010:10:231
169702200,18sleep3144650irq/27-eth010:35:453
248802190,3sleep224875-21sshd12:34:012
1854699195,0cyclictest0-21swapper/311:27:523
1854699191,3cyclictest14178-21memory10:10:193
1854699191,3cyclictest14178-21memory10:10:193
1854699190,6cyclictest0-21swapper/309:44:143
1854299198,4cyclictest30875-21sshd09:53:372
1854299191,9cyclictest24992-21sshd10:29:452
167262192,15sleep1144650irq/27-eth011:05:411
264072180,16sleep228950irq/26-ahci[00011:06:462
1854699182,1cyclictest17430-21id12:25:413
1854699181,3cyclictest0-21swapper/310:26:503
1854699180,6cyclictest0-21swapper/310:03:383
1854699180,3cyclictest29055-21bash11:21:153
1854699180,3cyclictest0-21swapper/312:31:093
1854699180,3cyclictest0-21swapper/311:40:213
1854299188,3cyclictest0-21swapper/212:11:012
18542991813,4cyclictest3723-21sshd11:39:422
174062180,16sleep228950irq/26-ahci[00010:43:212
61312170,15sleep1144650irq/27-eth011:15:071
257102170,15sleep1144650irq/27-eth010:44:171
1854699177,0cyclictest0-21swapper/309:51:213
1854699176,9cyclictest44-21ksoftirqd/311:17:293
1854699176,1cyclictest44-21ksoftirqd/310:53:413
1854699175,10cyclictest44-21ksoftirqd/309:26:443
1854699175,0cyclictest0-21swapper/310:30:023
1854699175,0cyclictest0-21swapper/309:10:333
1854699173,0cyclictest0-21swapper/312:35:243
1854699172,3cyclictest20193-21sshd11:30:383
1854699171,3cyclictest0-21swapper/311:53:223
1854699171,3cyclictest0-21swapper/310:09:393
18546991713,3cyclictest5253-21ls11:00:183
1854699170,3cyclictest0-21swapper/309:56:373
1854299172,6cyclictest11629-21sshd09:20:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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