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2025-12-17 - 15:23
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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 Dec 17, 2025 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
148522490,0sleep0111rcuc/010:56:160
131112470,0sleep00-21swapper/010:35:260
86162440,2sleep31852899cyclictest08:45:023
184202440,0sleep00-21swapper/011:10:340
1797624424,8sleep40-21swapper/407:05:354
1828524325,13sleep70-21swapper/707:09:477
1807124331,8sleep30-21swapper/307:06:543
128392430,0sleep50-21swapper/511:57:165
37002420,0sleep10-21swapper/112:02:081
1805724128,9sleep00-21swapper/007:06:430
15862410,2sleep71855299cyclictest09:18:537
15862410,2sleep71855299cyclictest09:18:537
1821524028,8sleep50-21swapper/507:08:485
62402390,0sleep6641ktimersoftd/612:16:156
4052390,0sleep60-21swapper/607:34:516
1815423928,8sleep20-21swapper/207:07:572
1798723927,8sleep60-21swapper/607:05:456
1804023826,9sleep10-21swapper/107:06:281
213692360,0sleep2321ktimersoftd/208:10:022
127472340,2sleep21852299cyclictest10:55:462
70672310,1sleep449-21ksoftirqd/410:00:154
317672300,1sleep233-21ksoftirqd/211:54:412
18539992110,3cyclictest57-21ksoftirqd/511:50:005
1853999210,21cyclictest17935-21kworker/5:212:24:275
1853999195,2cyclictest57-21ksoftirqd/509:21:515
18539991812,4cyclictest57-21ksoftirqd/512:10:115
18539991811,4cyclictest57-21ksoftirqd/511:17:435
18539991810,5cyclictest57-21ksoftirqd/510:55:385
1853999174,13cyclictest57-21ksoftirqd/511:13:435
18539991712,3cyclictest57-21ksoftirqd/511:25:565
1853999171,1cyclictest27064-21systemd10:25:025
1853999167,2cyclictest57-21ksoftirqd/510:12:325
1853999162,0cyclictest0-21swapper/509:19:295
1853999162,0cyclictest0-21swapper/509:19:295
18539991613,2cyclictest57-21ksoftirqd/509:30:055
18539991611,3cyclictest57-21ksoftirqd/512:32:425
18539991611,3cyclictest57-21ksoftirqd/512:09:005
18539991611,3cyclictest57-21ksoftirqd/512:09:005
18539991611,3cyclictest57-21ksoftirqd/510:52:455
18539991610,4cyclictest57-21ksoftirqd/512:27:575
308312150,0sleep00-21swapper/009:45:050
1853999153,2cyclictest57-21ksoftirqd/510:00:055
1853999152,3cyclictest57-21ksoftirqd/510:05:225
18539991513,1cyclictest686-21dbus-daemon11:22:085
18539991513,1cyclictest57-21ksoftirqd/511:49:375
18539991513,1cyclictest57-21ksoftirqd/511:42:255
18539991512,2cyclictest492-21systemd-journal11:36:295
18539991512,2cyclictest1-21systemd10:31:405
18539991512,2cyclictest1-21systemd10:31:405
18539991512,1cyclictest57-21ksoftirqd/510:15:355
18539991512,1cyclictest57-21ksoftirqd/509:39:245
18539991511,1cyclictest57-21ksoftirqd/510:21:115
1853999150,2cyclictest57-21ksoftirqd/512:19:245
1853999149,3cyclictest57-21ksoftirqd/509:55:475
1853999148,3cyclictest57-21ksoftirqd/510:40:025
1853999142,1cyclictest57-21ksoftirqd/509:14:195
18539991413,1cyclictest57-21ksoftirqd/511:01:445
18539991413,1cyclictest57-21ksoftirqd/509:41:425
18539991413,0cyclictest13118-21kworker/5:108:02:535
18539991412,1cyclictest57-21ksoftirqd/511:31:115
18539991412,1cyclictest57-21ksoftirqd/510:34:515
18539991412,1cyclictest57-21ksoftirqd/509:25:095
18539991411,3cyclictest57-21ksoftirqd/509:53:305
18539991411,1cyclictest57-21ksoftirqd/510:46:425
18535991413,1cyclictest49-21ksoftirqd/411:47:204
18535991412,1cyclictest49-21ksoftirqd/410:36:004
18510991412,1cyclictest25-21ksoftirqd/111:52:301
326272130,0sleep10-21swapper/108:30:031
25342130,0sleep60-21swapper/611:14:246
18552991311,1cyclictest73-21ksoftirqd/711:31:557
18545991311,1cyclictest65-21ksoftirqd/611:56:056
18545991310,2cyclictest1-21systemd12:04:566
18545991310,2cyclictest1-21systemd12:04:566
18539991312,1cyclictest57-21ksoftirqd/512:00:015
18539991311,1cyclictest57-21ksoftirqd/512:35:075
18539991311,1cyclictest57-21ksoftirqd/511:05:005
18539991311,1cyclictest57-21ksoftirqd/509:44:565
1853599132,2cyclictest0-21swapper/409:30:044
18535991312,1cyclictest49-21ksoftirqd/410:47:164
148152130,0sleep00-21swapper/012:18:170
1855299129,2cyclictest17328-21grepconf.sh11:17:197
18552991210,1cyclictest73-21ksoftirqd/709:48:047
1855299120,11cyclictest0-21swapper/710:19:467
1854599120,11cyclictest30998-21kworker/6:310:30:176
1854599120,11cyclictest30998-21kworker/6:310:30:176
18539991210,2cyclictest57-21ksoftirqd/507:12:375
18539991210,2cyclictest57-21ksoftirqd/507:12:375
1853999120,12cyclictest0-21swapper/508:13:225
18528991210,1cyclictest4860-21systemd-cgroups10:34:043
18528991210,1cyclictest4860-21systemd-cgroups10:34:043
18522991210,1cyclictest33-21ksoftirqd/212:05:362
18522991210,1cyclictest33-21ksoftirqd/212:05:362
18522991210,1cyclictest33-21ksoftirqd/209:24:392
18510991210,1cyclictest25-21ksoftirqd/112:07:191
18510991210,1cyclictest25-21ksoftirqd/112:07:191
1850699122,4cyclictest885-21polkitd09:14:460
54432110,0sleep40-21swapper/411:42:014
1855299119,1cyclictest73-21ksoftirqd/711:27:067
1855299119,1cyclictest73-21ksoftirqd/709:38:407
1855299119,1cyclictest73-21ksoftirqd/709:28:287
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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