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2026-03-20 - 17:20
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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 highest latencies:
System rackeslot2.osadl.org (updated Fri Mar 20, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16985421690,2sleep30-21swapper/309:41:343
16636821530,1sleep1166370-21cpuspeed_turbos09:41:281
690232420,2sleep00-21swapper/008:31:340
317572300,1sleep10-21swapper/108:01:331
4158107992614,11cyclictest0-21swapper/010:06:280
4158107992515,6cyclictest428127-21kthreadcore12:11:310
415810799251,22cyclictest64183-21dump-pmu-power08:30:000
4158107992415,5cyclictest306097-21kthreadcore11:01:310
4158107992414,6cyclictest242935-21cron10:25:000
4158108992315,3cyclictest0-21swapper/111:00:011
4158108992315,3cyclictest0-21swapper/110:30:011
4158107992320,2cyclictest58150-21apt-key08:25:010
4158107992314,5cyclictest0-21swapper/009:55:010
4158109992219,1cyclictest0-21swapper/212:00:012
4158107992213,5cyclictest1288-1atopacctd12:31:380
4158107992211,5cyclictest1288-1atopacctd10:46:310
4158107992111,5cyclictest0-21swapper/009:30:000
415810799210,4cyclictest364478-21munin-run11:35:010
2902298210,4rtkit-daemon4164188-21munin-node12:17:430
4158109992017,1cyclictest0-21swapper/212:10:002
4158108992017,2cyclictest2659-21awk07:40:001
4158108992017,2cyclictest130085-21apt09:20:001
4158108992017,2cyclictest130085-21apt09:20:001
4158108992015,2cyclictest134050irq/121-eno109:21:261
4158108992012,3cyclictest454464-21tr12:26:321
415810799209,6cyclictest0-21swapper/010:36:250
415810799208,5cyclictest114410-21cstates09:11:280
415810799205,1cyclictest191rcu_preempt09:16:370
415810799205,1cyclictest191rcu_preempt09:16:370
415810799204,5cyclictest329582-21sh11:15:020
4158107992012,4cyclictest4166871-21aten2.4-expect07:16:250
2902298200,5rtkit-daemon4114978-21snmpd09:50:241
4158109991916,1cyclictest0-21swapper/212:40:012
4158108991916,2cyclictest442920-21sh12:20:001
415810799199,8cyclictest0-21swapper/010:26:240
4158107991911,5cyclictest423602-21runrttasks12:07:200
4158107991910,5cyclictest134143-21kthreadcore09:21:330
3751062190,1sleep20-21swapper/211:41:282
2649091190,2phc2sys0-21swapper/309:50:303
2649091190,2phc2sys0-21swapper/309:45:043
2649091190,2phc2sys0-21swapper/309:30:253
4158109991815,1cyclictest0-21swapper/211:30:012
4158109991815,1cyclictest0-21swapper/209:40:002
4158109991815,1cyclictest0-21swapper/207:30:002
4158108991815,2cyclictest4165296-21sh07:15:021
4158108991815,2cyclictest1327-21in:imuxsock08:45:021
4158108991815,2cyclictest0-21swapper/108:10:001
4158108991813,1cyclictest134050irq/121-eno111:46:251
415810799187,6cyclictest0-21swapper/009:46:240
4158107991816,1cyclictest9217-21/usr/sbin/munin07:45:010
4158107991813,4cyclictest1326-21systemd-logind08:05:010
4158107991811,6cyclictest274861-21kthreadcore10:41:320
4158107991810,4cyclictest288223-21cstates10:51:270
4158107991810,2cyclictest109936-21kthreadcore09:06:340
2649091180,3phc2sys0-21swapper/312:32:313
2649091180,2phc2sys0-21swapper/310:34:023
4158109991714,1cyclictest0-21swapper/210:50:002
4158109991713,2cyclictest0-21swapper/210:41:372
4158109991713,2cyclictest0-21swapper/208:11:332
4158108991714,2cyclictest338080-21fwupd11:19:461
4158108991714,2cyclictest295615-21latency_hist10:55:021
4158108991714,2cyclictest254310-21kthreadcore10:31:311
4158108991714,2cyclictest23683-21kthreadcore07:56:321
4158108991710,2cyclictest134050irq/121-eno112:00:011
415810799179,4cyclictest298989-21kthreadcore10:56:320
415810799179,4cyclictest11systemd11:15:020
415810799178,4cyclictest0-21swapper/012:00:010
415810799176,6cyclictest0-21swapper/011:46:250
415810799176,6cyclictest0-21swapper/008:19:590
415810799172,4cyclictest491rcuog/210:32:360
4158107991714,2cyclictest156468-21systemd-run09:35:020
4158107991713,2cyclictest321143-21sh11:10:020
4158107991712,4cyclictest0-21swapper/007:40:010
4158107991711,5cyclictest409100-21aten_repower_po12:01:280
4158107991711,5cyclictest163234-21runrttasks09:37:230
4158107991710,4cyclictest196236-21kthreadcore09:56:330
4158107991710,4cyclictest196236-21kthreadcore09:56:330
415810799170,10cyclictest0-21swapper/007:56:260
2649091170,2phc2sys0-21swapper/312:13:253
2649091170,1phc2sys0-21swapper/309:27:123
4158109991614,1cyclictest0-21swapper/209:11:332
4158109991614,1cyclictest0-21swapper/208:55:012
4158109991613,1cyclictest0-21swapper/208:46:312
4158109991613,1cyclictest0-21swapper/208:25:012
4158109991613,1cyclictest0-21swapper/207:56:332
415810999161,11cyclictest0-21swapper/208:36:252
415810999161,10cyclictest0-21swapper/209:26:252
415810899169,3cyclictest411806-21kthreadcore12:01:341
415810899166,8cyclictest1290-21dbus-daemon10:20:011
4158108991614,1cyclictest425285-21latency_hist12:10:001
4158108991613,2cyclictest4177151-21kthreadcore07:21:321
4158108991613,2cyclictest175500-21tail09:46:281
4158108991613,2cyclictest1290-21dbus-daemon10:25:011
415810899160,14cyclictest94674-21dump-pmu-power08:55:001
415810799169,6cyclictest0-21swapper/009:41:340
415810799167,4cyclictest0-21swapper/011:21:260
4158107991613,2cyclictest78079-21cut08:41:300
4158107991613,2cyclictest1426-21gdbus11:45:000
4158107991613,2cyclictest1286-21avahi-daemon08:15:010
2902298160,3rtkit-daemon2018-21lldpd07:51:280
2902298160,3rtkit-daemon2018-21lldpd07:51:280
2649091160,2phc2sys0-21swapper/310:51:253
2649091160,2phc2sys0-21swapper/310:06:163
4158109991513,1cyclictest0-21swapper/212:35:022
4158109991513,1cyclictest0-21swapper/211:20:022
4158109991513,1cyclictest0-21swapper/208:59:292
4158109991513,1cyclictest0-21swapper/207:50:012
4158109991512,1cyclictest0-21swapper/212:21:322
4158109991512,1cyclictest0-21swapper/212:11:252
4158109991512,1cyclictest0-21swapper/212:01:342
4158109991512,1cyclictest0-21swapper/211:46:372
4158109991512,1cyclictest0-21swapper/211:06:012
4158109991512,1cyclictest0-21swapper/210:26:352
4158109991512,1cyclictest0-21swapper/210:16:242
4158109991512,1cyclictest0-21swapper/210:11:482
4158109991512,1cyclictest0-21swapper/209:58:012
4158109991512,1cyclictest0-21swapper/209:58:012
4158109991512,1cyclictest0-21swapper/209:21:362
4158109991512,1cyclictest0-21swapper/208:41:282
4158109991512,1cyclictest0-21swapper/208:31:292
4158109991512,1cyclictest0-21swapper/208:20:012
4158109991512,1cyclictest0-21swapper/208:05:002
4158109991511,2cyclictest0-21swapper/208:26:352
415810899157,3cyclictest360504-21kthreadcore11:31:341
415810899156,4cyclictest0-21swapper/112:31:341
415810899151,7cyclictest1290-21dbus-daemon08:30:011
4158108991512,2cyclictest53979-21kthreadcore08:21:321
4158108991512,2cyclictest4190531-21cut07:35:011
4158108991512,2cyclictest347099-21systemd-run11:25:001
4158108991512,2cyclictest322805-21gltestperf11:11:291
4158108991512,2cyclictest262463-21gltestperf10:36:291
4158108991512,2cyclictest222861-21missed_timers10:11:351
4158108991512,2cyclictest144468-21kthreadcore09:26:331
415810799159,2cyclictest0-21swapper/010:11:330
415810799159,1cyclictest112762-21diskmemload11:51:260
415810799157,4cyclictest226903-21aten_repower_vo10:16:260
415810799157,2cyclictest0-21swapper/011:26:300
415810799155,9cyclictest474174-21tr12:36:320
415810799154,6cyclictest0-21swapper/011:36:310
415810799153,4cyclictest0-21swapper/010:01:330
415810799153,4cyclictest0-21swapper/010:01:330
415810799151,9cyclictest4184425-21cron07:30:000
4158107991512,2cyclictest4158105-21cyclictest09:01:260
4158107991512,2cyclictest257-21systemd-journal12:25:010
4158107991512,2cyclictest1288-1atopacctd08:06:350
4158107991512,2cyclictest0-21swapper/007:15:000
2649091150,4phc2sys0-21swapper/308:41:243
2649091150,2phc2sys0-21swapper/311:41:393
2649091150,2phc2sys0-21swapper/311:11:133
2649091150,2phc2sys0-21swapper/311:09:283
2649091150,2phc2sys0-21swapper/310:46:113
2649091150,1phc2sys0-21swapper/310:57:063
4158109991412,1cyclictest0-21swapper/211:21:582
4158109991412,1cyclictest0-21swapper/211:15:012
4158109991412,1cyclictest0-21swapper/211:00:012
4158109991412,1cyclictest0-21swapper/207:36:262
4158109991411,2cyclictest0-21swapper/207:16:322
4158109991411,1cyclictest0-21swapper/211:34:592
4158109991411,1cyclictest0-21swapper/210:35:002
4158109991411,1cyclictest0-21swapper/210:06:292
4158109991411,1cyclictest0-21swapper/210:01:312
4158109991411,1cyclictest0-21swapper/210:01:312
4158109991410,2cyclictest0-21swapper/210:36:332
4158109991410,1cyclictest0-21swapper/210:21:252
415810899149,4cyclictest209694-21aten2.4-expect10:06:301
415810899149,4cyclictest162628-21cat09:36:391
415810899148,5cyclictest393620-21tr11:51:331
415810899147,3cyclictest0-21swapper/112:15:011
415810899145,8cyclictest19975-21tr07:51:311
415810899145,8cyclictest19975-21tr07:51:311
4158108991411,2cyclictest67376-21kthreadcore08:31:331
4158108991411,2cyclictest4167004-21cpuspeed_turbos07:16:261
4158108991411,2cyclictest4158105-21cyclictest09:01:281
4158108991411,2cyclictest3612-21cpuspeed_turbos07:41:271
4158108991411,2cyclictest317352-21kthreadcore11:06:331
4158108991411,2cyclictest272739-21kthreadcore10:41:311
4158108991411,2cyclictest257-21systemd-journal11:40:591
4158108991411,2cyclictest257-21systemd-journal10:47:451
4158108991411,2cyclictest151441-21kthreadcore09:31:331
4158108991411,2cyclictest0-21swapper/107:50:001
4158108991410,3cyclictest370562-21pmu-power11:36:361
415810799145,8cyclictest13047-21tr07:46:340
4158107991411,2cyclictest4187630-21kthreadcore07:31:320
4158107991411,2cyclictest4173770-21irqcore07:21:290
4158107991410,3cyclictest338488-21kworker/u16:3+nfsiod12:28:530
2649091141,6phc2sys0-21swapper/307:06:263
2649091140,6phc2sys0-21swapper/311:19:533
2649091140,3phc2sys0-21swapper/311:50:213
2649091140,2phc2sys0-21swapper/310:27:533
2649091140,2phc2sys0-21swapper/309:18:273
2649091140,2phc2sys0-21swapper/309:18:273
2649091140,2phc2sys0-21swapper/308:09:223
415810999139,2cyclictest0-21swapper/207:31:322
4158109991311,1cyclictest0-21swapper/212:16:252
4158109991311,1cyclictest0-21swapper/209:16:302
4158109991311,1cyclictest0-21swapper/209:16:302
4158109991311,1cyclictest0-21swapper/208:06:262
4158109991311,1cyclictest0-21swapper/207:51:242
4158109991311,1cyclictest0-21swapper/207:51:242
4158109991310,2cyclictest0-21swapper/211:05:012
4158109991310,1cyclictest0-21swapper/212:26:382
4158109991310,1cyclictest0-21swapper/210:51:322
4158109991310,1cyclictest0-21swapper/209:51:372
4158109991310,1cyclictest0-21swapper/209:46:322
4158109991310,1cyclictest0-21swapper/207:41:282
4158109991310,1cyclictest0-21swapper/207:11:292
415810999130,1cyclictest0-21swapper/211:38:082
415810899139,3cyclictest100787-21kworker/u16:2+nfsiod09:56:031
415810899139,3cyclictest100787-21kworker/u16:2+nfsiod09:56:031
415810899137,2cyclictest134050irq/121-eno111:26:281
4158108991310,2cyclictest95062-21/usr/sbin/munin08:56:261
4158108991310,2cyclictest72294-21kthreadcore08:36:311
4158108991310,2cyclictest4181592-21kthreadcore07:26:321
4158108991310,2cyclictest4158105-21cyclictest12:22:001
4158108991310,2cyclictest4158105-21cyclictest10:01:271
4158108991310,2cyclictest4158105-21cyclictest10:01:271
4158108991310,2cyclictest305986-21irqrtprio11:01:291
4158108991310,2cyclictest118902-21missed_timers09:11:351
4158108991310,2cyclictest109671-21kthreadcore09:06:341
4158107991310,2cyclictest97735-21kthreadcore08:56:330
4158107991310,2cyclictest94811-21systemd08:55:010
4158107991310,2cyclictest87790-21pmu-power08:46:340
4158107991310,2cyclictest75714-21pmu-power08:36:350
2649091135,2phc2sys0-21swapper/311:01:313
2649091131,2phc2sys0-21swapper/308:51:263
2649091130,1phc2sys0-21swapper/310:18:153
415810999129,1cyclictest0-21swapper/209:06:272
415810999129,1cyclictest0-21swapper/209:01:322
415810999129,1cyclictest0-21swapper/207:21:282
4158109991210,1cyclictest0-21swapper/209:41:272
4158109991210,1cyclictest0-21swapper/209:30:172
415810899129,2cyclictest0-21swapper/108:16:311
415810899128,2cyclictest0-21swapper/112:36:131
415810899127,3cyclictest44848-21open_files08:11:341
415810899125,5cyclictest257-21systemd-journal08:45:021
2649091123,2phc2sys0-21swapper/312:21:303
2649091120,2phc2sys0-21swapper/312:37:503
2649091120,2phc2sys0-21swapper/309:20:113
415810999118,1cyclictest0-21swapper/207:10:002
415810999112,4cyclictest0-21swapper/211:51:262
415810799111,3cyclictest4157949-21latency_hist07:10:010
2691822110,4sleep30-21swapper/310:39:583
2649091114,2phc2sys0-21swapper/312:16:283
2649091112,2phc2sys0-21swapper/311:21:353
2649091111,2phc2sys0-21swapper/311:46:243
2649091111,2phc2sys0-21swapper/307:16:363
2649091110,2phc2sys0-21swapper/312:25:433
2649091110,2phc2sys0-21swapper/312:01:263
2649091110,2phc2sys0-21swapper/310:01:403
2649091110,2phc2sys0-21swapper/310:01:403
2649091110,2phc2sys0-21swapper/308:45:073
2649091110,1phc2sys0-21swapper/308:39:193
2649091110,1phc2sys0-21swapper/307:44:503
415810899106,2cyclictest0-21swapper/107:10:011
2649091101,3phc2sys0-21swapper/308:21:283
2649091101,2phc2sys0-21swapper/311:30:003
2649091101,2phc2sys0-21swapper/309:36:423
2649091101,2phc2sys0-21swapper/307:51:233
2649091101,2phc2sys0-21swapper/307:51:233
2649091100,3phc2sys0-21swapper/310:40:433
2649091100,2phc2sys0-21swapper/312:08:283
2649091100,2phc2sys0-21swapper/311:55:373
2649091100,2phc2sys0-21swapper/311:30:453
2649091100,2phc2sys0-21swapper/310:22:203
2649091100,2phc2sys0-21swapper/310:11:263
2649091100,2phc2sys0-21swapper/309:56:073
2649091100,2phc2sys0-21swapper/309:56:073
2649091100,2phc2sys0-21swapper/309:12:093
2649091100,2phc2sys0-21swapper/308:56:353
2649091100,2phc2sys0-21swapper/308:26:253
2649091100,2phc2sys0-21swapper/308:16:313
2649091100,2phc2sys0-21swapper/308:11:263
2649091100,2phc2sys0-21swapper/308:05:013
2649091100,1phc2sys0-21swapper/307:38:123
2649091100,1phc2sys0-21swapper/307:33:233
264909194,2phc2sys0-21swapper/307:55:383
264909190,3phc2sys0-21swapper/311:36:253
264909190,2phc2sys0-21swapper/309:01:273
264909190,2phc2sys0-21swapper/308:31:263
264909190,2phc2sys0-21swapper/307:46:303
264909190,2phc2sys0-21swapper/307:29:563
264909190,2phc2sys0-21swapper/307:11:283
264909181,2phc2sys0-21swapper/307:20:093
264909180,1phc2sys0-21swapper/309:05:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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