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2026-03-10 - 04:09
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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 Mar 10, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25642590,0sleep50-21swapper/521:42:555
1880425531,9sleep70-21swapper/719:03:077
149702550,1sleep414972-21bash21:49:114
112402550,1sleep611230-21sshd23:05:546
238402510,0sleep20-21swapper/221:11:212
1882325125,9sleep40-21swapper/419:03:204
77402500,0sleep50-21swapper/521:37:435
225492490,1sleep7885-21polkitd22:48:097
1885224926,8sleep20-21swapper/219:03:422
1884424938,8sleep30-21swapper/319:03:353
17872490,0sleep60-21swapper/621:26:306
1898024825,8sleep10-21swapper/119:05:251
170442470,0sleep30-21swapper/321:52:543
14112470,0sleep10-21swapper/123:56:431
221222460,0sleep10-21swapper/123:01:001
173372460,0sleep30-21swapper/321:12:423
67622450,1sleep26763-21bash22:54:362
292432450,0sleep529245-21kworker/u16:200:05:365
225432450,0sleep20-21swapper/222:37:142
88682440,0sleep70-21swapper/723:09:237
49342440,0sleep00-21swapper/000:22:280
265102430,0sleep60-21swapper/622:50:166
216872430,0sleep10-21swapper/123:15:421
121282430,0sleep212126-21systemd-cgroups21:52:372
110012420,0sleep511002-21systemd-cgroups22:40:145
300192410,0sleep20-21swapper/221:39:002
196802400,1sleep419665-21bash00:25:134
1880324028,8sleep60-21swapper/619:03:066
143372400,0sleep30-21swapper/321:34:283
139082400,0sleep50-21swapper/523:35:245
21702390,0sleep52171-21systemd-cgroups22:28:455
1881523926,9sleep00-21swapper/019:03:160
1877423928,8sleep50-21swapper/519:02:415
141392390,0sleep10-21swapper/121:51:001
280822380,0sleep00-21swapper/023:39:520
163362380,0sleep20-21swapper/223:46:342
147552320,1sleep114756-21grep00:02:511
1923999238,1cyclictest131rcu_sched21:30:511
1923999238,1cyclictest131rcu_sched21:30:511
1923999212,2cyclictest25-21ksoftirqd/123:18:131
19239992116,4cyclictest25-21ksoftirqd/122:19:361
19239992116,4cyclictest25-21ksoftirqd/122:19:361
19280992015,3cyclictest65-21ksoftirqd/621:49:486
1923999209,1cyclictest25-21ksoftirqd/123:31:101
1923999203,3cyclictest25-21ksoftirqd/122:29:111
1928099190,1cyclictest0-21swapper/621:15:386
1923999192,1cyclictest25-21ksoftirqd/121:17:211
19239991916,2cyclictest25-21ksoftirqd/100:29:331
19239991916,1cyclictest25-21ksoftirqd/122:51:041
19239991915,3cyclictest25-21ksoftirqd/121:44:581
19239991915,1cyclictest25-21ksoftirqd/121:56:141
19239991915,1cyclictest25-21ksoftirqd/121:26:201
19231991911,5cyclictest9-21ksoftirqd/022:37:270
210092180,1sleep721010-21id22:33:277
19280991816,2cyclictest65-21ksoftirqd/622:25:546
19280991811,2cyclictest65-21ksoftirqd/623:52:106
19254991812,3cyclictest41-21ksoftirqd/321:31:123
19254991812,3cyclictest41-21ksoftirqd/321:31:123
1923999187,1cyclictest25-21ksoftirqd/123:46:261
1923999183,2cyclictest25-21ksoftirqd/121:10:541
19239991817,1cyclictest25-21ksoftirqd/122:09:421
19239991816,1cyclictest25-21ksoftirqd/123:36:451
19239991816,1cyclictest25-21ksoftirqd/123:25:151
19239991816,1cyclictest25-21ksoftirqd/122:55:131
19239991816,1cyclictest25-21ksoftirqd/121:32:171
19239991814,1cyclictest25-21ksoftirqd/123:58:241
19239991813,3cyclictest25-21ksoftirqd/122:33:451
1923999181,1cyclictest131rcu_sched22:41:401
76532170,0sleep50-21swapper/523:49:425
220482170,0sleep30-21swapper/323:39:313
19280991716,1cyclictest65-21ksoftirqd/622:58:056
19280991716,1cyclictest65-21ksoftirqd/622:42:426
19280991715,1cyclictest65-21ksoftirqd/622:27:216
19280991715,1cyclictest65-21ksoftirqd/600:17:176
19280991714,2cyclictest65-21ksoftirqd/600:09:366
19280991712,1cyclictest65-21ksoftirqd/600:12:146
19274991712,1cyclictest1-21systemd22:35:525
1924699170,1cyclictest0-21swapper/223:11:392
1923999176,2cyclictest25-21ksoftirqd/122:43:321
19239991716,1cyclictest25-21ksoftirqd/100:09:371
19239991715,1cyclictest25-21ksoftirqd/123:39:231
19239991715,1cyclictest25-21ksoftirqd/122:23:351
19239991715,1cyclictest25-21ksoftirqd/122:12:241
19239991715,1cyclictest25-21ksoftirqd/121:59:431
19239991715,1cyclictest25-21ksoftirqd/121:38:431
19239991715,1cyclictest25-21ksoftirqd/100:22:151
19239991715,1cyclictest25-21ksoftirqd/100:18:201
19239991715,1cyclictest25-21ksoftirqd/100:13:181
19239991711,3cyclictest25-21ksoftirqd/121:14:461
1923999170,3cyclictest25-21ksoftirqd/123:08:361
19231991715,1cyclictest9-21ksoftirqd/022:19:150
19231991715,1cyclictest9-21ksoftirqd/022:19:150
19231991715,1cyclictest9-21ksoftirqd/000:11:550
19231991715,1cyclictest32189-21sshd00:33:140
19231991715,1cyclictest17636-21kworker/0:023:14:150
19280991614,1cyclictest65-21ksoftirqd/623:50:106
19280991614,1cyclictest65-21ksoftirqd/623:34:496
19280991614,1cyclictest65-21ksoftirqd/623:19:336
19280991614,1cyclictest65-21ksoftirqd/623:17:036
19280991614,1cyclictest65-21ksoftirqd/622:35:526
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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