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2026-07-10 - 23:03
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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 Fri Jul 10, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1998921350,0sleep119988-21id10:06:551
420521200,2sleep0759899cyclictest11:22:250
7284211433,43sleep10-21swapper/107:09:201
137942980,3sleep0759899cyclictest10:10:120
216562950,0sleep00-21swapper/010:03:390
36652910,2sleep10-21swapper/112:21:291
36652910,2sleep10-21swapper/112:21:281
320442910,2sleep132042-21sshd12:39:571
164372880,3sleep20-21swapper/212:01:182
216702870,3sleep2760099cyclictest10:43:442
90492860,3sleep30-21swapper/311:26:533
94842850,3sleep20-21swapper/209:33:152
83782850,2sleep30-21swapper/309:33:083
710228533,48sleep30-21swapper/307:07:123
44512850,2sleep10-21swapper/112:29:071
183702850,0sleep00-21swapper/011:31:230
296392840,5sleep10-21swapper/109:31:531
48962830,2sleep3760199cyclictest09:39:443
236232830,2sleep223624-21sshd10:11:182
73492820,1sleep00-21swapper/009:58:220
172492810,3sleep20-21swapper/209:44:532
97152800,2sleep10-21swapper/109:58:391
327382800,5sleep30-21swapper/312:06:363
71282780,2sleep30-21swapper/309:10:553
299532760,2sleep30-21swapper/312:39:423
115772760,0sleep00-21swapper/011:38:490
27392740,2sleep32737-21sshd10:41:163
229582740,1sleep20-21swapper/210:58:432
225222730,2sleep122521-21bash09:38:061
102832730,1sleep10-21swapper/111:15:531
215712710,2sleep30-21swapper/309:27:353
168032710,3sleep2760099cyclictest11:57:502
307472700,2sleep0759899cyclictest12:24:520
307472700,2sleep0759899cyclictest12:24:520
22202690,2sleep1759999cyclictest09:46:451
194282690,2sleep10-21swapper/109:27:201
28912660,1sleep20-21swapper/211:37:382
317612640,4sleep3760199cyclictest11:21:483
33722610,3sleep3760199cyclictest09:57:533
327212590,1sleep2760099cyclictest11:07:242
723025716,11sleep20-21swapper/207:08:372
712325732,22sleep00-21swapper/007:07:260
153052520,0sleep015303-21id11:57:390
87982410,0sleep38799-21sshd09:50:593
81932330,4sleep03-21ksoftirqd/010:09:320
172752310,0sleep00-21swapper/008:40:210
244102300,5sleep2760099cyclictest09:38:202
47282290,4sleep10-21swapper/112:18:001
181262292,25sleep3144650irq/27-eth012:23:293
181262292,25sleep3144650irq/27-eth012:23:283
115382290,1sleep011535-21bash11:19:400
112132280,2sleep30-21swapper/312:11:173
260672270,25sleep3144650irq/27-eth010:59:053
215482260,24sleep1144650irq/27-eth012:01:551
193252260,3sleep30-21swapper/311:16:553
760099257,9cyclictest9077-21sshd10:05:382
283682250,3sleep10-21swapper/111:10:241
760099247,3cyclictest9585-21sshd09:29:502
760099240,10cyclictest1045-21sshd10:20:102
225632240,1sleep30-21swapper/310:22:253
80532230,1sleep00-21swapper/011:00:290
760099226,12cyclictest153250irq/28-eth1-rx-12:15:382
253022220,2sleep225299-21sshd09:45:412
15392220,2sleep30-21swapper/311:45:013
15162220,2sleep20-21swapper/209:57:392
107052220,20sleep1144650irq/27-eth010:17:391
107052220,20sleep1144650irq/27-eth010:17:381
760199210,15cyclictest0-21swapper/311:49:483
53382210,0sleep00-21swapper/009:14:410
44872210,2sleep34480-21bash11:00:123
203802210,19sleep1144650irq/27-eth010:32:421
113972211,18sleep3144650irq/27-eth010:05:553
760099204,3cyclictest2132-21sshd12:37:572
760099204,3cyclictest0-21swapper/209:21:532
760099204,12cyclictest0-21swapper/208:35:222
760099202,16cyclictest0-21swapper/210:49:112
40802200,18sleep1144650irq/27-eth010:37:551
216072200,18sleep328950irq/26-ahci[00010:15:173
216072200,18sleep328950irq/26-ahci[00010:15:173
7601991913,5cyclictest2024-21nfsd11:58:393
7601991911,5cyclictest20368-21sshd09:16:213
760099193,3cyclictest2066-21nscd10:37:012
760099191,9cyclictest22890-21sshd12:12:362
760099191,10cyclictest30165-21sshd10:30:142
760199184,1cyclictest2476-21sshd11:33:283
760199183,13cyclictest14788-21sshd10:25:093
760099180,16cyclictest33-21ksoftirqd/210:26:542
759999188,4cyclictest7433-21sshd10:13:251
7599991815,2cyclictest32458-21sshd11:29:311
759999181,13cyclictest0-21swapper/109:43:451
759999180,16cyclictest14344-21sshd11:30:551
7598991816,1cyclictest5578-21sshd10:34:380
273262180,2sleep327325-21sshd09:49:303
760099176,10cyclictest153250irq/28-eth1-rx-12:29:292
760099176,10cyclictest153250irq/28-eth1-rx-11:54:072
760099172,1cyclictest33-21ksoftirqd/210:03:382
760099171,15cyclictest153250irq/28-eth1-rx-10:53:422
760099170,4cyclictest24444-21bash11:47:472
760099170,16cyclictest33-21ksoftirqd/211:16:302
759999173,3cyclictest5688-21bash10:01:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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