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2026-05-20 - 20:47
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot0.osadl.org (updated Wed May 20, 2026 12:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
166052800,1sleep116607-21kworker/u16:010:01:151
216002790,0sleep50-21swapper/511:48:585
57952760,0sleep50-21swapper/512:00:295
117132760,1sleep311712-21sshd10:28:353
218252750,0sleep70-21swapper/711:11:427
45492740,0sleep60-21swapper/609:36:216
299942740,0sleep1221rcuc/111:12:551
243582730,0sleep00-21swapper/012:17:140
243582730,0sleep00-21swapper/012:17:140
229192730,1sleep20-21swapper/210:25:202
220052710,0sleep50-21swapper/509:20:165
3932700,0sleep30-21swapper/310:59:283
35162700,0sleep00-21swapper/010:27:180
271752700,0sleep30-21swapper/309:48:593
210182700,0sleep30-21swapper/309:38:493
9992690,0sleep60-21swapper/610:08:256
86132690,1sleep10-21swapper/110:23:271
30112680,0sleep60-21swapper/610:22:366
239242670,1sleep21014-21runrttasks11:49:192
216762670,0sleep10-21swapper/109:15:311
100902670,0sleep60-21swapper/609:55:356
289162650,3sleep72004199cyclictest09:44:387
1975526039,6sleep00-21swapper/007:09:530
1968825948,7sleep70-21swapper/707:09:047
1951525949,6sleep30-21swapper/307:06:513
242642570,3sleep62003699cyclictest10:25:326
17112540,1sleep31712-21bash11:04:163
1948925231,6sleep40-21swapper/407:06:284
1968624837,7sleep50-21swapper/507:09:015
1972024535,6sleep10-21swapper/107:09:211
1975224332,7sleep60-21swapper/607:09:516
1946924332,6sleep20-21swapper/207:06:182
54222410,0sleep50-21swapper/512:37:555
310182320,3sleep1231ktimersoftd/112:08:581
184292280,0sleep70-21swapper/710:20:127
74842230,1sleep30-21swapper/312:10:113
1999699220,21cyclictest0-21swapper/012:01:010
246582210,0sleep00-21swapper/010:58:120
1999699210,20cyclictest0-21swapper/011:58:510
125102210,0sleep30-21swapper/312:15:243
125102210,0sleep30-21swapper/312:15:243
279372200,0sleep30-21swapper/312:36:243
2002499200,3cyclictest0-21swapper/410:36:204
1999699200,2cyclictest0-21swapper/012:34:330
12942200,0sleep50-21swapper/510:13:055
120232200,0sleep00-21swapper/011:33:380
113272200,0sleep40-21swapper/410:09:594
110182200,1sleep2321ktimersoftd/211:00:462
109502200,1sleep10-21swapper/111:51:581
1999699180,17cyclictest0-21swapper/010:20:540
116462180,1sleep50-21swapper/510:51:365
116462180,1sleep50-21swapper/510:51:365
79932170,1sleep7771ktimersoftd/712:28:597
79932170,1sleep7771ktimersoftd/712:28:597
231172170,0sleep60-21swapper/609:15:446
204502170,0sleep20-21swapper/211:11:282
20024991711,1cyclictest0-21swapper/410:14:024
2002499170,2cyclictest0-21swapper/408:10:154
2002499170,11cyclictest0-21swapper/411:15:194
125402170,0sleep20-21swapper/212:20:122
55632160,0sleep10-21swapper/111:37:161
264542160,1sleep6671rcuc/609:25:306
2001899163,1cyclictest42-21ksoftirqd/310:50:123
2001899163,1cyclictest42-21ksoftirqd/310:50:113
110522160,2sleep10-21swapper/109:28:051
8882150,0sleep60-21swapper/612:09:186
78802150,0sleep60-21swapper/611:14:296
43092150,0sleep30-21swapper/310:32:033
27322150,1sleep50-21swapper/510:41:025
2004199150,13cyclictest0-21swapper/709:37:397
20036991511,2cyclictest31962-21sshd09:45:046
20008991511,2cyclictest681-21dbus-daemon11:53:242
20008991511,2cyclictest0-21swapper/212:16:232
20008991511,2cyclictest0-21swapper/212:16:232
327622140,0sleep10-21swapper/111:27:141
2003699140,1cyclictest0-21swapper/611:25:116
2002999140,13cyclictest0-21swapper/512:32:155
2002999140,12cyclictest23780-21sshd10:16:135
20024991412,1cyclictest0-21swapper/412:20:234
2001899140,12cyclictest0-21swapper/310:09:273
20008991412,1cyclictest0-21swapper/212:25:152
20008991412,1cyclictest0-21swapper/212:25:152
2000899140,13cyclictest4458-21sshd12:09:502
2000899140,13cyclictest0-21swapper/211:18:192
2000899140,12cyclictest726-21gdbus11:07:342
2000899140,12cyclictest0-21swapper/211:30:012
2000399140,1cyclictest0-21swapper/109:45:111
2000399140,12cyclictest13514-21bash10:33:261
19996991412,1cyclictest0-21swapper/011:11:150
1999699140,9cyclictest0-21swapper/009:15:140
165162140,1sleep60-21swapper/610:47:456
165162140,1sleep60-21swapper/610:47:456
2004199130,12cyclictest28825-21sshd12:36:327
2004199130,12cyclictest12584-21sshd10:47:087
2004199130,12cyclictest12584-21sshd10:47:087
2004199130,12cyclictest0-21swapper/708:10:147
2003699134,4cyclictest0-21swapper/611:40:146
20036991311,1cyclictest1146-21nfsd10:41:146
2003699130,12cyclictest0-21swapper/612:34:246
2003699130,12cyclictest0-21swapper/611:54:296
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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