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2026-09-06 - 00:52
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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 all highest latencies:
System rackeslot2.osadl.org (updated Sat Sep 05, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234289421610,2sleep30-21swapper/309:49:483
25055132970,2sleep20-21swapper/211:20:062
24389442310,2sleep20-21swapper/210:44:432
2107925992912,8cyclictest0-21swapper/010:26:090
210792599271,12cyclictest2566845-21diskmemload11:54:550
210792599271,11cyclictest1-21systemd11:45:020
210792599261,20cyclictest2523483-21seq11:30:510
210792599252,13cyclictest2557851-21unixbench-2d11:49:490
210792599251,14cyclictest1-21systemd12:35:010
210792599251,13cyclictest2374042-21runrttasks10:06:250
210792599251,13cyclictest0-21swapper/012:27:220
22132912410,3phc2sys0-21swapper/311:24:023
2107926992417,2cyclictest82050irq/121-eno109:34:201
210792599245,14cyclictest1188-21runrttasks09:56:320
210792599241,13cyclictest2601932-21runrttasks12:14:570
210792599241,13cyclictest2461740-21runrttasks10:55:320
210792599241,13cyclictest2349021-21sh09:54:270
210792599241,13cyclictest2295609-21runrttasks09:23:280
210792599241,13cyclictest2187045-21runrttasks08:09:210
210792599241,13cyclictest1188-21runrttasks10:01:210
210792599241,12cyclictest1188-21runrttasks09:29:180
210792599240,18cyclictest2611571-21taskset12:20:590
210792599240,18cyclictest2241827-21taskset08:45:040
210792599240,14cyclictest2603039-21runrttasks12:16:390
210792599240,14cyclictest2418674-21seq10:32:420
210792599240,14cyclictest2166166-21taskset07:52:580
210792599240,13cyclictest2489733-21runrttasks11:14:120
2447398230,2rtkit-daemon0-21swapper/111:52:121
210792599235,11cyclictest0-21swapper/010:12:450
210792599234,8cyclictest0-21swapper/009:37:130
210792599234,13cyclictest1188-21runrttasks08:12:550
210792599231,17cyclictest2453488-21sh10:51:480
210792599231,17cyclictest2179906-21taskset08:01:390
210792599231,16cyclictest2137664-21python307:29:490
210792599231,13cyclictest2497547-21ssh11:17:040
210792599231,13cyclictest2275962-21diskmemload09:10:360
210792599231,13cyclictest2124649-21taskset07:21:070
210792599231,12cyclictest2427939-21taskset10:38:460
210792599231,12cyclictest2248738-21taskset08:50:090
210792599231,12cyclictest2228317-21taskset08:38:430
210792599231,12cyclictest2221280-21runrttasks08:32:050
210792599231,12cyclictest1188-21runrttasks10:40:180
210792599230,18cyclictest2577364-21taskset12:03:030
210792599230,18cyclictest2400175-21taskset10:20:360
210792599230,18cyclictest2262614-21taskset09:01:150
210792599230,18cyclictest2152256-21taskset07:41:070
210792599230,18cyclictest2108250-21taskset07:11:130
210792599230,18cyclictest1188-21runrttasks08:29:260
210792599230,14cyclictest2330288-21runrttasks09:42:080
210792599230,14cyclictest2172902-21taskset07:55:500
210792599230,13cyclictest2638019-21runrttasks12:35:500
210792599230,13cyclictest2585374-21sh12:06:270
210792599230,13cyclictest2514463-21ssh11:25:220
210792599230,13cyclictest2445002-21seq10:47:250
210792599230,13cyclictest2338595-21sh09:46:040
210792599230,13cyclictest2285427-21sh09:15:300
210792599230,13cyclictest2255745-21runrttasks08:56:420
210792599230,13cyclictest2235102-21taskset08:42:280
210792599230,13cyclictest2207396-21taskset08:20:430
210792599230,13cyclictest2159172-21seq07:46:470
210792599230,13cyclictest2145418-21taskset07:37:190
210792599230,13cyclictest2138556-21taskset07:32:340
210792599230,13cyclictest1188-21runrttasks11:06:190
210792599230,12cyclictest2391088-21runrttasks10:15:070
210792599230,12cyclictest2275962-21diskmemload11:00:130
210792599221,16cyclictest2312561-21sh09:31:540
210792599221,13cyclictest1188-21runrttasks11:56:500
210792599221,11cyclictest2269445-21runrttasks09:05:320
210792599220,12cyclictest2117752-21runrttasks07:17:030
210792599220,12cyclictest1188-21runrttasks11:20:510
210792599220,11cyclictest2200518-21taskset08:16:220
210792599210,11cyclictest2532100-21runrttasks11:35:130
2447398200,4rtkit-daemon1415-21ntpd09:12:371
2213291190,2phc2sys0-21swapper/312:12:003
2107927991916,1cyclictest0-21swapper/209:24:422
2107927991916,1cyclictest0-21swapper/208:39:482
2213291181,4phc2sys0-21swapper/311:39:213
2107927991815,1cyclictest0-21swapper/209:40:462
2107927991813,3cyclictest0-21swapper/212:19:092
2107927991811,1cyclictest0-21swapper/209:49:252
210792699189,8cyclictest2540465-21idleruntime-cro11:40:011
2107926991813,4cyclictest24615-21JS14:54:061
210792599181,15cyclictest2108069-21latency_hist07:10:020
2213291177,2phc2sys0-21swapper/310:57:363
2213291171,4phc2sys0-21swapper/310:39:203
2213291170,3phc2sys0-21swapper/311:10:513
2213291170,2phc2sys0-21swapper/312:32:533
2213291170,2phc2sys0-21swapper/311:05:103
2213291170,2phc2sys0-21swapper/309:24:553
2213291170,2phc2sys0-21swapper/307:59:463
210792699177,4cyclictest0-21swapper/111:09:221
2107926991713,3cyclictest2408498-21sh10:25:021
2107926991713,3cyclictest2331892-21cstates09:44:381
2107926991711,4cyclictest376-21systemd-journal08:50:011
2213291160,4phc2sys0-21swapper/310:49:223
2213291160,3phc2sys0-21swapper/310:42:363
2213291160,3phc2sys0-21swapper/309:57:153
2213291160,2phc2sys0-21swapper/312:23:303
2213291160,1phc2sys0-21swapper/310:51:393
210792799161,7cyclictest0-21swapper/211:29:212
2107927991613,1cyclictest0-21swapper/212:39:432
2107927991613,1cyclictest0-21swapper/210:59:192
2107927991613,1cyclictest0-21swapper/210:39:412
2107927991613,1cyclictest0-21swapper/210:09:482
210792699169,2cyclictest798-21mta-sts-daemon07:53:561
210792699168,3cyclictest0-21swapper/109:24:451
210792699168,1cyclictest601rcuop/311:01:171
2107926991613,2cyclictest2604551-21sh12:19:371
2107926991613,2cyclictest2526037-21gltestperf11:34:401
2107926991613,2cyclictest2391366-21sh10:15:401
2107926991613,2cyclictest2115806-21unin-run07:15:031
2107926991613,2cyclictest0-21swapper/109:54:401
2107926991612,3cyclictest2644788-21kthreadcore12:39:441
2107926991612,3cyclictest2542982-21aten_repower_po11:44:311
2107926991612,3cyclictest2128014-21kthreadcore07:24:451
2107926991611,4cyclictest0-21swapper/107:20:011
2213291150,2phc2sys0-21swapper/311:57:223
2213291150,2phc2sys0-21swapper/310:25:583
2213291150,2phc2sys0-21swapper/310:04:563
210792799151,8cyclictest0-21swapper/212:04:222
2107927991513,1cyclictest0-21swapper/212:10:032
2107927991512,1cyclictest0-21swapper/212:24:322
2107927991512,1cyclictest0-21swapper/210:14:412
2107927991512,1cyclictest0-21swapper/209:10:012
2107927991512,1cyclictest0-21swapper/208:54:452
2107927991512,1cyclictest0-21swapper/208:50:012
2107927991512,1cyclictest0-21swapper/208:19:212
2107927991512,1cyclictest0-21swapper/207:39:492
2107927991511,2cyclictest0-21swapper/208:14:192
210792799150,5cyclictest0-21swapper/211:50:232
210792799150,13cyclictest0-21swapper/212:33:532
210792699159,5cyclictest2558271-21kworker/u16:0-events_unbound12:00:151
210792699157,3cyclictest0-21swapper/109:49:261
210792699155,8cyclictest2184964-21cut08:04:451
2107926991512,2cyclictest797-21polkitd08:45:011
2107926991512,2cyclictest2593191-21latency_hist12:10:021
2107926991512,2cyclictest2499335-21fschecks_time11:19:391
2107926991512,2cyclictest24472-21rtkit-daemon11:14:471
2107926991512,2cyclictest2206330-21needreboot08:19:471
2107926991511,3cyclictest2558271-21kworker/u16:0+nfsiod12:14:561
2107926991511,3cyclictest2505771-21kworker/u16:1+nfsiod11:57:151
2107926991511,3cyclictest2505771-21kworker/u16:1+nfsiod11:26:331
2107926991511,3cyclictest2462066-21sh10:56:181
2107926991511,3cyclictest2433249-21kthreadcore10:39:441
2107926991511,3cyclictest2391728-21kworker/u16:1+nfsiod10:47:291
2107926991511,3cyclictest2362513-21kthreadcore09:59:451
2107926991511,3cyclictest2311565-21kworker/u16:3+nfsiod10:31:271
2107926991511,3cyclictest2270450-21gltestperf09:09:401
2107926991511,3cyclictest2250311-21irqrtprio08:54:411
2107926991511,3cyclictest2224307-21kthreadcore08:34:441
2107926991511,3cyclictest1897842-21kworker/u16:1+nfsiod09:38:141
22134292140,2sleep20-21swapper/208:24:492
2213291141,6phc2sys0-21swapper/307:09:223
2213291140,6phc2sys0-21swapper/311:44:213
2213291140,2phc2sys0-21swapper/310:31:553
2213291140,2phc2sys0-21swapper/309:16:253
2213291140,2phc2sys0-21swapper/309:11:503
210792799149,2cyclictest0-21swapper/211:37:002
210792799146,4cyclictest0-21swapper/207:54:222
210792799141,7cyclictest0-21swapper/208:44:202
210792799141,7cyclictest0-21swapper/207:49:192
210792799141,7cyclictest0-21swapper/207:14:202
210792799141,6cyclictest0-21swapper/211:09:212
210792799141,5cyclictest0-21swapper/209:34:202
210792799141,5cyclictest0-21swapper/208:09:202
2107927991411,1cyclictest0-21swapper/211:41:442
2107927991411,1cyclictest0-21swapper/211:01:112
2107927991411,1cyclictest0-21swapper/210:48:392
2107927991411,1cyclictest0-21swapper/210:33:232
2107927991411,1cyclictest0-21swapper/210:29:472
2107927991411,1cyclictest0-21swapper/210:24:362
2107927991411,1cyclictest0-21swapper/209:59:382
2107927991411,1cyclictest0-21swapper/209:28:112
2107927991411,1cyclictest0-21swapper/209:18:422
2107927991411,1cyclictest0-21swapper/209:04:422
2107927991411,1cyclictest0-21swapper/208:30:002
2107927991411,1cyclictest0-21swapper/207:44:452
2107927991411,1cyclictest0-21swapper/207:34:432
2107927991411,1cyclictest0-21swapper/207:25:012
2107927991410,2cyclictest0-21swapper/208:04:422
210792699147,5cyclictest376-21systemd-journal12:25:001
210792699146,6cyclictest2146152-21expr07:39:401
210792699144,6cyclictest24562-21Xorg11:46:591
2107926991411,2cyclictest82050irq/121-eno110:52:501
2107926991411,2cyclictest778-21dbus-daemon07:30:011
2107926991411,2cyclictest2507779-21cpuspeed_turbos11:24:371
2107926991411,2cyclictest2269116-21systemd-run09:05:011
2107926991411,2cyclictest2107923-21cyclictest09:18:451
2107926991410,3cyclictest975-21in:imuxsock08:24:381
2107926991410,3cyclictest2410795-21aten_repower_fr10:29:311
2107926991410,3cyclictest2366430-21kworker/u16:2+nfsiod10:12:481
2107926991410,3cyclictest2311565-21kworker/u16:3+nfsiod10:44:151
2107926991410,3cyclictest2256097-21aten_repower_po08:59:321
2107926991410,3cyclictest2215173-21cut08:29:411
2107926991410,3cyclictest2199864-21timerwakeupswit08:14:471
2107926991410,3cyclictest2153774-21irqrtprio07:44:431
2107926991410,3cyclictest2139717-21irqcore07:34:421
2107926991410,3cyclictest1897842-21kworker/u16:1+nfsiod09:27:011
2213291134,2phc2sys0-21swapper/308:14:423
2213291130,3phc2sys0-21swapper/307:48:113
2213291130,2phc2sys0-21swapper/312:15:103
2213291130,2phc2sys0-21swapper/312:08:173
2213291130,2phc2sys0-21swapper/311:26:013
2213291130,2phc2sys0-21swapper/310:20:173
2213291130,2phc2sys0-21swapper/309:39:183
2213291130,2phc2sys0-21swapper/307:44:443
2213291130,1phc2sys0-21swapper/312:29:163
210792799135,4cyclictest0-21swapper/207:19:192
210792799134,4cyclictest0-21swapper/211:34:222
210792799132,8cyclictest0-21swapper/211:56:582
210792799131,4cyclictest0-21swapper/210:19:212
2107927991311,1cyclictest0-21swapper/212:13:142
2107927991310,1cyclictest0-21swapper/211:49:412
2107927991310,1cyclictest0-21swapper/211:14:432
2107927991310,1cyclictest0-21swapper/210:54:422
2107927991310,1cyclictest0-21swapper/210:00:282
2107927991310,1cyclictest0-21swapper/209:54:462
2107927991310,1cyclictest0-21swapper/209:12:002
2107927991310,1cyclictest0-21swapper/208:59:432
2107927991310,1cyclictest0-21swapper/208:33:302
2107927991310,1cyclictest0-21swapper/207:59:412
2107927991310,1cyclictest0-21swapper/207:29:452
210792699139,3cyclictest2611455-21kworker/u16:2+nfsiod12:26:521
210792699139,3cyclictest2173467-21cpuspeed_turbos07:59:381
210792699137,4cyclictest2378698-21tr10:09:461
210792699133,3cyclictest0-21swapper/110:04:211
2107926991311,2cyclictest351ktimers/112:31:551
2107926991310,2cyclictest932-1atopacctd07:10:011
2213291121,6phc2sys0-21swapper/311:49:203
2213291120,5phc2sys0-21swapper/308:39:213
2213291120,2phc2sys0-21swapper/309:26:083
2213291120,2phc2sys0-21swapper/308:06:553
2213291120,1phc2sys0-21swapper/312:00:533
210792799129,1cyclictest0-21swapper/212:29:142
210792799129,1cyclictest0-21swapper/211:15:302
2107927991210,1cyclictest0-21swapper/209:37:332
210792699125,5cyclictest2160128-21gltestperf07:49:381
210792699121,6cyclictest2193250-21munin-run08:10:001
2213291111,3phc2sys0-21swapper/307:29:453
2213291111,2phc2sys0-21swapper/311:17:003
2213291111,2phc2sys0-21swapper/310:10:063
2213291111,2phc2sys0-21swapper/309:54:233
2213291110,5phc2sys0-21swapper/308:54:203
2213291110,1phc2sys0-21swapper/312:36:043
2213291110,1phc2sys0-21swapper/309:42:233
2213291110,1phc2sys0-21swapper/308:55:363
2213291110,1phc2sys0-21swapper/307:11:483
2213291101,4phc2sys0-21swapper/308:44:203
2213291101,4phc2sys0-21swapper/308:24:223
2213291101,2phc2sys0-21swapper/308:35:013
2213291101,2phc2sys0-21swapper/307:24:483
2213291100,4phc2sys0-21swapper/307:34:213
2213291100,2phc2sys0-21swapper/311:51:193
2213291100,2phc2sys0-21swapper/311:31:033
2213291100,2phc2sys0-21swapper/311:00:573
2213291100,2phc2sys0-21swapper/310:18:083
2213291100,2phc2sys0-21swapper/309:30:093
2213291100,2phc2sys0-21swapper/309:06:443
2213291100,1phc2sys0-21swapper/308:18:023
221329191,3phc2sys0-21swapper/307:54:213
221329190,2phc2sys0-21swapper/310:05:173
221329190,2phc2sys0-21swapper/309:01:593
221329190,2phc2sys0-21swapper/308:45:033
221329190,2phc2sys0-21swapper/308:29:443
221329190,2phc2sys0-21swapper/308:01:433
221329190,2phc2sys0-21swapper/307:39:233
221329190,2phc2sys0-21swapper/307:15:063
21079279986,1cyclictest0-21swapper/207:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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