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2026-09-15 - 06:47
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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
Characteristics of the 100 highest latencies:
System rack3slot0.osadl.org (updated Tue Sep 15, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
172719915813,103cyclictest5873-21systemd-cgroups22:24:414
1727999134133,1cyclictest1844-21nfsd22:24:405
17239991330,132cyclictest17217-21kworker/0:422:24:400
257322850,0sleep30-21swapper/300:00:163
40922690,0sleep11724899cyclictest21:59:041
1725599620,61cyclictest24688-21kworker/2:122:24:412
1681826150,8sleep70-21swapper/719:01:027
86502600,1sleep38612-21sshd22:26:463
81002550,0sleep50-21swapper/521:16:085
300152550,0sleep20-21swapper/223:01:292
228222540,0sleep10-21swapper/100:17:521
174892540,0sleep10-21swapper/100:25:211
8202530,1sleep773-21ksoftirqd/723:58:527
1686625330,9sleep00-21swapper/019:01:350
1687125240,8sleep50-21swapper/519:01:405
252872510,1sleep225242-21sshd22:33:412
125672510,0sleep512559-21sshd23:22:065
157852500,2sleep21725599cyclictest23:10:262
193552490,1sleep419357-21sshd00:19:404
66532470,1sleep11724899cyclictest21:51:201
271852470,0sleep31-21systemd23:07:143
154712470,0sleep30-21swapper/300:27:153
65462460,1sleep341-21ksoftirqd/323:15:473
50842460,0sleep00-21swapper/021:05:370
247042460,1sleep233-21ksoftirqd/221:09:242
145262460,0sleep20-21swapper/222:07:302
12972460,0sleep20-21swapper/222:10:352
93762450,0sleep40-21swapper/421:20:074
56522450,0sleep10-21swapper/123:31:311
54212450,1sleep61728799cyclictest23:27:366
176992450,0sleep10-21swapper/121:48:071
318522440,0sleep10-21swapper/123:29:151
284232440,0sleep20-21swapper/200:26:022
201952440,2sleep31726399cyclictest21:18:543
1724899440,21cyclictest0-21swapper/122:24:401
1676824418,9sleep40-21swapper/419:00:194
326362430,0sleep10-21swapper/121:17:401
1704824330,9sleep30-21swapper/319:04:103
142002430,0sleep30-21swapper/322:13:243
96492420,0sleep5561ktimersoftd/521:20:085
55302420,1sleep65529-21grep22:42:186
1702824231,8sleep10-21swapper/119:03:521
138652420,0sleep40-21swapper/422:40:484
94552410,0sleep20-21swapper/222:17:002
40352410,0sleep00-21swapper/000:08:540
320192410,0sleep20-21swapper/200:16:252
1686324129,8sleep60-21swapper/619:01:336
108302410,0sleep30-21swapper/321:22:143
62062400,1sleep11724899cyclictest23:55:101
323212400,0sleep50-21swapper/521:41:065
247692400,0sleep60-21swapper/600:14:056
20872400,0sleep70-21swapper/721:19:467
65752390,0sleep70-21swapper/722:36:277
65372390,0sleep50-21swapper/519:39:515
321062390,0sleep30-21swapper/321:35:123
245342390,0sleep00-21swapper/023:32:420
215432390,0sleep40-21swapper/421:06:544
207292390,1sleep31726399cyclictest23:34:293
190992390,0sleep00-21swapper/021:57:590
1460723927,8sleep20-21swapper/218:59:452
299182370,0sleep40-21swapper/422:10:214
203242360,0sleep20-21swapper/221:46:162
17287993634,1cyclictest0-21swapper/622:24:406
141262360,0sleep00-21swapper/023:49:480
1729599330,32cyclictest31579-21kworker/7:122:24:417
161732330,2sleep41727199cyclictest22:39:044
96422300,0sleep30-21swapper/321:14:213
17239992018,1cyclictest9-21ksoftirqd/022:44:400
17279991915,3cyclictest57-21ksoftirqd/522:19:295
220382180,0sleep20-21swapper/222:39:262
17239991816,1cyclictest9-21ksoftirqd/022:12:280
17239991816,1cyclictest9-21ksoftirqd/000:33:560
17239991813,3cyclictest9-21ksoftirqd/021:14:550
1727999179,5cyclictest57-21ksoftirqd/500:10:455
1727199171,1cyclictest131rcu_sched22:46:444
17239991716,1cyclictest9-21ksoftirqd/021:40:320
17239991715,1cyclictest9-21ksoftirqd/022:15:420
17239991714,2cyclictest9-21ksoftirqd/022:57:550
162602170,0sleep70-21swapper/700:31:127
87932160,0sleep70-21swapper/723:21:527
190592160,1sleep5561ktimersoftd/521:09:035
1728799160,11cyclictest22850-21sshd22:08:026
17279991615,1cyclictest57-21ksoftirqd/500:28:375
17279991614,2cyclictest57-21ksoftirqd/523:29:175
17279991614,1cyclictest57-21ksoftirqd/521:58:215
17279991614,1cyclictest57-21ksoftirqd/500:34:125
17279991614,1cyclictest57-21ksoftirqd/500:16:385
17279991613,1cyclictest57-21ksoftirqd/523:31:415
17279991612,1cyclictest57-21ksoftirqd/500:23:395
1727999160,2cyclictest57-21ksoftirqd/523:12:465
17239991615,1cyclictest9-21ksoftirqd/023:24:150
17239991615,1cyclictest9-21ksoftirqd/023:03:500
17239991615,1cyclictest9-21ksoftirqd/022:29:340
17239991614,2cyclictest9-21ksoftirqd/021:49:340
17239991614,1cyclictest9-21ksoftirqd/022:43:300
17239991614,1cyclictest9-21ksoftirqd/000:10:020
17239991612,3cyclictest9-21ksoftirqd/000:18:170
17239991611,3cyclictest9-21ksoftirqd/023:14:560
89672150,0sleep1241ktimersoftd/100:07:111
72552150,0sleep40-21swapper/421:53:234
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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