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2025-11-29 - 23:53
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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 50 highest latencies:
System rack5slot0.osadl.org (updated Sat Nov 29, 2025 12:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
243121590,1sleep0819499cyclictest11:47:440
243121590,1sleep0819499cyclictest11:47:440
795121470,3sleep0819499cyclictest10:32:260
1668221370,3sleep2819699cyclictest12:08:112
1007121320,1sleep30-21swapper/309:20:383
1915521270,4sleep1819599cyclictest12:26:541
2026721200,2sleep120251-21sshd11:06:261
2400821190,1sleep30-21swapper/311:16:453
58221110,2sleep0819499cyclictest12:25:160
7844210833,62sleep30-21swapper/307:09:093
2788121000,20sleep2135650irq/27-eth010:37:492
1149421000,1sleep011484-21sshd10:03:430
83932980,1sleep10-21swapper/111:51:341
298502960,2sleep129849-21sshd12:15:311
139032960,1sleep013894-21sshd12:32:100
787529432,44sleep10-21swapper/107:09:271
93922910,2sleep39390-21sshd10:55:253
76662910,1sleep11848-21nfsd10:45:241
253572900,1sleep01847-21nfsd09:19:030
323282890,2sleep30-21swapper/311:37:253
145962890,1sleep014556-21sshd10:16:500
145202890,2sleep214500-21sshd11:55:162
6892880,2sleep00-21swapper/011:50:500
32842880,2sleep13283-21sshd09:16:431
39932870,5sleep2819699cyclictest09:43:172
312432850,1sleep031241-21sshd09:55:540
111332850,2sleep211131-21bash09:47:262
166462840,2sleep116645-21bash10:17:041
83152830,2sleep18316-21sshd11:18:361
222912830,2sleep31847-21nfsd10:46:553
48622820,3sleep2819699cyclictest11:24:532
193752820,2sleep319374-21sshd10:33:373
97272810,2sleep11846-21nfsd12:34:431
135912810,2sleep20-21swapper/212:14:042
325642790,0sleep00-21swapper/011:40:400
325642790,0sleep00-21swapper/011:40:390
11342790,2sleep11128-21sshd12:03:411
73842780,2sleep27149-21sshd09:30:242
206662780,2sleep32405-21runrttasks10:07:483
300002770,0sleep00-21swapper/012:06:210
181622770,1sleep018159-21sshd09:41:240
161642770,1sleep016149-21sshd11:32:330
792927633,11sleep20-21swapper/207:09:562
24612750,1sleep10-21swapper/110:38:311
276802740,1sleep30-21swapper/311:30:233
38702730,2sleep33865-21sshd11:51:093
142542730,1sleep00-21swapper/010:36:220
73622660,1sleep2819699cyclictest12:04:172
589925734,11sleep00-21swapper/007:05:090
97192470,2sleep19701-21sshd10:55:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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