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2026-08-14 - 20:20
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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 rack3slot0.osadl.org (updated Fri Aug 14, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11045991300,129cyclictest1740-21kworker/3:212:19:563
214772790,2sleep51105599cyclictest11:45:425
231192760,2sleep223121-21systemd-cgroups09:17:302
240432730,1sleep557-21ksoftirqd/512:02:005
139652690,0sleep20-21swapper/210:54:372
139652690,0sleep20-21swapper/210:54:372
11062996248,14cyclictest0-21swapper/612:19:576
1039125725,18sleep20-21swapper/207:01:102
294722560,0sleep50-21swapper/511:18:595
199412560,1sleep233-21ksoftirqd/209:42:372
11055995413,20cyclictest19554-21sshd12:19:575
307742530,1sleep630740-21sshd11:58:496
60312500,1sleep0111rcuc/009:29:130
315722500,1sleep231567-21systemd12:15:102
308102500,0sleep40-21swapper/410:33:494
52662490,0sleep30-21swapper/312:28:093
271412490,1sleep527145-21bash09:15:575
308642480,0sleep70-21swapper/709:25:127
57842470,0sleep50-21swapper/510:19:485
325602470,1sleep732542-21bash09:06:467
170442470,0sleep40-21swapper/410:56:314
170442470,0sleep40-21swapper/410:56:314
1062824725,8sleep10-21swapper/107:02:291
205792460,0sleep40-21swapper/412:21:454
52422450,0sleep30-21swapper/311:30:183
276312450,0sleep00-21swapper/011:31:270
11052994542,2cyclictest19432-21id12:19:564
218122440,0sleep10-21swapper/110:09:511
113822440,2sleep61106299cyclictest09:11:256
1080524423,8sleep00-21swapper/007:04:530
103812440,2sleep31104599cyclictest10:41:413
101122440,0sleep70-21swapper/710:12:457
931324318,8sleep30-21swapper/307:01:033
83422430,0sleep70-21swapper/709:47:227
60342430,0sleep40-21swapper/411:17:384
155552430,0sleep40-21swapper/412:12:244
147452430,0sleep10-21swapper/111:38:011
993124228,9sleep70-21swapper/707:01:077
36942420,0sleep50-21swapper/511:50:075
269542420,0sleep10-21swapper/111:42:181
14002420,2sleep01102799cyclictest12:20:450
11027994241,1cyclictest1844-21nfsd12:19:560
247732410,0sleep50-21swapper/509:41:045
216842410,0sleep40-21swapper/411:13:054
195322410,0sleep20-21swapper/212:34:252
155072410,0sleep60-21swapper/609:36:566
128232410,0sleep20-21swapper/210:09:202
123482410,0sleep2311rcuc/211:52:202
11039994137,4cyclictest13550irq/24-ahci[00012:19:562
1077824127,10sleep40-21swapper/407:04:334
324772400,0sleep50-21swapper/510:46:315
204682400,1sleep773-21ksoftirqd/712:29:017
178572400,0sleep00-21swapper/010:00:370
157972400,1sleep015796-21systemd-cgroups10:32:570
13802400,0sleep30-21swapper/311:35:313
11065994039,0cyclictest11181-21kworker/7:012:19:567
241602390,0sleep00-21swapper/011:04:120
205402390,2sleep21103999cyclictest09:46:132
120952390,0sleep30-21swapper/310:50:543
120952390,0sleep30-21swapper/310:50:543
119622390,0sleep10-21swapper/107:05:571
1064123926,9sleep50-21swapper/507:02:415
40522380,0sleep50-21swapper/510:06:595
245712380,0sleep60-21swapper/611:13:156
164702380,2sleep01102799cyclictest12:32:220
1055723826,8sleep60-21swapper/607:01:306
230692370,0sleep20-21swapper/210:36:592
162332340,0sleep10-21swapper/110:04:061
162332340,0sleep10-21swapper/110:04:061
11036993433,1cyclictest6065-21kworker/1:312:19:571
260342330,2sleep01102799cyclictest10:40:500
204452330,2sleep01102799cyclictest10:38:410
42472210,0sleep30-21swapper/309:25:323
11036992115,3cyclictest25-21ksoftirqd/111:52:271
192602200,0sleep10-21swapper/109:22:411
11036992017,2cyclictest25-21ksoftirqd/109:54:011
95062190,0sleep39496-21sshd12:01:103
230972190,0sleep60-21swapper/609:22:546
11036991917,1cyclictest25-21ksoftirqd/110:40:111
11036991917,1cyclictest25-21ksoftirqd/110:13:421
11036991916,1cyclictest25-21ksoftirqd/111:03:481
11045991814,4cyclictest41-21ksoftirqd/309:48:363
11036991817,1cyclictest25-21ksoftirqd/109:14:131
11036991816,1cyclictest25-21ksoftirqd/112:08:131
11036991816,1cyclictest25-21ksoftirqd/111:14:571
11036991816,1cyclictest25-21ksoftirqd/110:55:091
11036991816,1cyclictest25-21ksoftirqd/110:55:091
11036991815,3cyclictest25-21ksoftirqd/109:34:281
11036991814,3cyclictest25-21ksoftirqd/109:57:181
298682170,1sleep429867-21bash09:35:584
174242170,1sleep517377-21sshd10:04:105
174242170,1sleep517377-21sshd10:04:105
11045991716,1cyclictest41-21ksoftirqd/310:56:273
11045991716,1cyclictest41-21ksoftirqd/310:56:273
11045991715,1cyclictest41-21ksoftirqd/309:29:343
11045991711,4cyclictest41-21ksoftirqd/310:09:363
11036991716,1cyclictest25-21ksoftirqd/111:19:091
11036991715,1cyclictest25-21ksoftirqd/112:25:441
11036991715,1cyclictest25-21ksoftirqd/112:01:301
11036991715,1cyclictest25-21ksoftirqd/111:46:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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