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2026-05-20 - 19:59
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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 Wed May 20, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
671621030,2sleep01629899cyclictest11:57:300
156212980,0sleep40-21swapper/412:24:014
145502900,2sleep70-21swapper/707:04:107
272382890,0sleep40-21swapper/412:22:494
54732810,2sleep61632199cyclictest10:26:296
54732810,2sleep61632199cyclictest10:26:296
111172720,0sleep10-21swapper/110:02:461
168842710,1sleep616816-21sshd09:24:066
41022700,0sleep30-21swapper/311:20:093
162072530,1sleep71632799cyclictest08:04:087
282842520,1sleep228283-21bash11:56:522
267052520,0sleep726670-21sshd10:35:037
198492510,0sleep21-21systemd11:13:432
1594425127,9sleep60-21swapper/607:05:466
130132490,0sleep20-21swapper/210:14:002
148602480,0sleep30-21swapper/310:15:533
220062470,0sleep20-21swapper/209:50:212
218942470,0sleep20-21swapper/209:15:052
48242460,0sleep10-21swapper/110:54:121
213052460,0sleep6631rcuc/612:33:406
183802460,0sleep618381-21sshd12:01:536
117832460,0sleep1231rcuc/112:03:241
53392450,2sleep01629899cyclictest09:43:550
246092450,0sleep40-21swapper/412:02:154
208472450,0sleep40-21swapper/409:39:104
302192440,1sleep230182-21cp12:34:082
139622440,2sleep21630399cyclictest10:34:182
214182430,0sleep00-21swapper/012:35:260
129172430,0sleep70-21swapper/712:05:147
129172430,0sleep70-21swapper/712:05:147
115722430,1sleep233-21ksoftirqd/211:24:162
110922430,0sleep7711rcuc/710:32:237
289142420,0sleep50-21swapper/509:26:385
151162420,1sleep715114-21grepconf.sh10:58:347
113202420,0sleep10-21swapper/111:50:181
158882410,0sleep00-21swapper/010:01:090
127862410,2sleep21630399cyclictest10:54:372
108182410,0sleep2758-21runrttasks09:57:102
212312400,0sleep70-21swapper/709:37:217
1604224029,8sleep20-21swapper/207:07:022
1591624028,8sleep50-21swapper/507:05:215
1591124028,8sleep00-21swapper/007:05:160
149192400,2sleep51631899cyclictest11:57:595
114142400,2sleep51631899cyclictest10:54:325
287822390,0sleep10-21swapper/109:13:441
180992390,0sleep10-21swapper/111:11:421
1596623926,9sleep10-21swapper/107:06:051
141812390,0sleep00-21swapper/011:41:120
1370523926,9sleep40-21swapper/407:04:004
265622380,0sleep40-21swapper/411:04:404
1370423827,8sleep30-21swapper/307:03:593
110412380,0sleep70-21swapper/709:33:047
65412370,0sleep10-21swapper/109:34:341
304052330,2sleep41631299cyclictest11:58:544
233992320,0sleep70-21swapper/712:16:597
16312992513,1cyclictest49-21ksoftirqd/411:21:094
1631299215,2cyclictest131rcu_sched11:36:574
16312992119,1cyclictest49-21ksoftirqd/412:10:584
16300992117,1cyclictest25-21ksoftirqd/111:54:031
138302210,0sleep60-21swapper/610:06:356
133042210,0sleep40-21swapper/410:54:394
1631299202,3cyclictest49-21ksoftirqd/411:42:284
1631299194,3cyclictest49-21ksoftirqd/410:47:554
16312991917,1cyclictest49-21ksoftirqd/411:45:174
16312991916,2cyclictest49-21ksoftirqd/412:33:444
16312991914,3cyclictest49-21ksoftirqd/411:12:074
1631299191,2cyclictest49-21ksoftirqd/411:52:344
1631299191,2cyclictest49-21ksoftirqd/409:47:314
1631299190,1cyclictest721-21dbus-daemon10:03:394
16300991917,1cyclictest25-21ksoftirqd/110:18:081
16300991915,1cyclictest25-21ksoftirqd/111:18:341
1631299184,1cyclictest49-21ksoftirqd/409:30:214
1631299182,1cyclictest49-21ksoftirqd/411:24:254
16312991816,1cyclictest49-21ksoftirqd/411:30:064
16312991816,1cyclictest464-21systemd-journal09:49:124
16312991815,1cyclictest49-21ksoftirqd/409:24:144
16312991814,1cyclictest464-21systemd-journal09:18:474
1631299181,1cyclictest49-21ksoftirqd/409:21:514
1630099186,2cyclictest25-21ksoftirqd/112:14:261
16300991816,1cyclictest25-21ksoftirqd/110:20:081
16300991813,2cyclictest25-21ksoftirqd/112:35:271
1629899183,3cyclictest9-21ksoftirqd/010:40:150
16298991814,1cyclictest9-21ksoftirqd/011:44:460
165052170,0sleep40-21swapper/409:55:364
1631299179,3cyclictest49-21ksoftirqd/410:40:334
1631299175,3cyclictest49-21ksoftirqd/412:05:394
1631299175,3cyclictest49-21ksoftirqd/412:05:394
1631299174,3cyclictest49-21ksoftirqd/410:17:154
1631299173,3cyclictest49-21ksoftirqd/410:59:044
1631299173,1cyclictest49-21ksoftirqd/412:36:134
16312991716,1cyclictest49-21ksoftirqd/410:28:554
16312991716,1cyclictest49-21ksoftirqd/410:28:554
16312991715,1cyclictest49-21ksoftirqd/410:37:144
16312991715,1cyclictest49-21ksoftirqd/410:28:584
16312991715,1cyclictest464-21systemd-journal09:12:344
16312991713,1cyclictest49-21ksoftirqd/411:14:134
1631299170,2cyclictest131rcu_sched09:34:374
1630099174,3cyclictest25-21ksoftirqd/109:44:151
16300991716,1cyclictest25-21ksoftirqd/112:20:461
16300991716,1cyclictest25-21ksoftirqd/111:02:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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