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2025-12-15 - 22:11
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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 Mon Dec 15, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1859842990,3sleep30-21swapper/310:23:393
2389642690,1sleep0238968-21tail11:08:360
4144562992623,2cyclictest310821-21cron12:05:000
4144566992219,2cyclictest231612-21sendmail11:00:011
4144566992218,3cyclictest0-21swapper/112:00:021
414456699221,16cyclictest293085-21apt-get11:53:331
4144562992212,6cyclictest29021-21rtkit-daemon11:33:320
4144562992118,2cyclictest0-21swapper/012:15:020
4144566992017,2cyclictest4158877-21grep07:20:001
4144566992017,2cyclictest4158877-21grep07:20:001
414456699201,2cyclictest232210-21apt-get11:03:331
414456299206,7cyclictest304514-21awk12:00:000
4144562992017,2cyclictest128837-21sh09:35:000
414456699198,4cyclictest29021-21rtkit-daemon07:22:581
414456699195,4cyclictest141844-21cstates09:48:341
414456699193,11cyclictest88878-21cut09:03:411
4144566991916,2cyclictest159123-21gpgconf10:00:011
4144566991916,2cyclictest0-21swapper/111:35:011
4144566991910,4cyclictest117194-21aten2.4-expect09:28:331
4144562991916,2cyclictest25376-21latency_hist08:10:020
4144562991916,2cyclictest1327-21in:imuxsock09:13:590
4144562991915,3cyclictest1327-21in:imuxsock08:20:010
4144569991815,1cyclictest0-21swapper/212:15:012
4144569991815,1cyclictest0-21swapper/209:10:012
4144569991815,1cyclictest0-21swapper/208:50:002
414456699184,5cyclictest275075-21aten_repower_fr11:38:351
4144566991815,2cyclictest55761-21apt-key08:35:011
4144566991815,2cyclictest4177221-21wc07:35:001
4144566991815,2cyclictest310891-21apt-config12:05:001
4144566991814,3cyclictest261242-21latency11:23:421
4144566991814,3cyclictest180674-21kthreadcore10:18:411
4144566991814,1cyclictest13071systemd-run07:50:011
414456299181,8cyclictest136653-21sed09:43:380
4144562991815,2cyclictest4150231-21timerandwakeup07:13:420
4144562991815,2cyclictest177350-21latency_hist10:15:010
2649091180,2phc2sys0-21swapper/310:08:393
4144569991715,1cyclictest0-21swapper/211:35:012
4144566991714,2cyclictest344766-21kthreadcore12:33:411
4144566991714,2cyclictest287345-21cpuspeed_turbos11:48:361
4144566991714,2cyclictest250034-21sh11:15:011
4144566991713,3cyclictest69849-21kthreadcore08:48:411
4144566991713,3cyclictest59087-21kthreadcore08:38:401
4144566991713,3cyclictest325269-21kthreadcore12:18:401
4144566991713,3cyclictest209374-21kthreadcore10:43:411
4144566991713,3cyclictest152948-21latency_hist09:55:021
4144566991713,3cyclictest107752-21kthreadcore09:18:401
4144566991713,3cyclictest0-21swapper/108:10:021
414456299174,4cyclictest208047-21/usr/sbin/munin10:43:470
414456299173,4cyclictest351633-21cut12:38:410
414456299171,8cyclictest256016-21latency_hist11:20:010
4144562991714,2cyclictest98344-21wc09:10:010
4144562991714,2cyclictest1996-21runrttasks09:48:380
4144562991714,2cyclictest122824-21sh09:30:000
4144562991714,2cyclictest0-21swapper/010:00:010
414456299171,3cyclictest268100-21latency_hist11:30:010
4144569991614,1cyclictest0-21swapper/209:30:012
4144569991613,1cyclictest0-21swapper/212:05:002
4144569991613,1cyclictest0-21swapper/211:15:002
4144569991613,1cyclictest0-21swapper/210:35:002
4144569991613,1cyclictest0-21swapper/207:25:022
414456699169,5cyclictest257-21systemd-journal12:12:301
414456699166,5cyclictest31427-21awk08:15:001
4144566991613,2cyclictest251906-21kthreadcore11:18:411
4144566991613,2cyclictest1290-21dbus-daemon08:05:011
4144566991613,2cyclictest0-21swapper/107:15:021
4144566991612,3cyclictest4166809-21kthreadcore07:28:401
4144566991612,3cyclictest113832-21kthreadcore09:23:411
4144566991612,3cyclictest101724-21kthreadcore09:13:401
4144566991612,3cyclictest0-21swapper/109:10:021
414456299165,6cyclictest0-21swapper/009:38:520
414456299165,3cyclictest43341-21users08:23:460
414456299164,6cyclictest0-21swapper/010:05:570
414456299163,6cyclictest0-21swapper/011:46:300
414456299161,8cyclictest86792-21aten2.4-expect09:03:350
4144562991614,1cyclictest249886-21apt-config11:15:000
414456299161,3cyclictest152977-21munin-run09:55:000
4144562991613,2cyclictest4144438-21latency_hist07:10:020
4144562991613,2cyclictest340564-21latency12:28:410
4144562991613,2cyclictest237748-21latency_hist11:05:000
4144562991613,2cyclictest214356-21cpuspeed10:48:360
4144562991613,2cyclictest0-21swapper/008:50:020
414456299161,2cyclictest346635-21memory12:33:420
414456299160,9cyclictest54518-21cut08:33:400
414456299160,7cyclictest25936-21/usr/sbin/munin08:13:350
414456299160,3cyclictest196904-21sed10:33:390
414456299160,3cyclictest13929-21/usr/sbin/munin08:03:350
4144569991513,1cyclictest0-21swapper/210:55:022
4144569991513,1cyclictest0-21swapper/207:40:132
4144569991512,1cyclictest0-21swapper/210:45:012
4144569991512,1cyclictest0-21swapper/210:25:002
414456699158,2cyclictest134050irq/121-eno112:28:341
414456699151,9cyclictest4183809-21/usr/sbin/munin07:43:351
414456699151,9cyclictest196073-21aten2.4-expect10:33:351
414456699151,5cyclictest62490-21aten2.4-expect08:43:351
414456699151,5cyclictest190166-21tail10:28:351
4144566991512,2cyclictest7203-21sed07:53:461
4144566991512,2cyclictest222959-21kthreadcore10:53:421
4144566991512,2cyclictest207073-21threads10:38:461
4144566991512,2cyclictest1288-1atopacctd08:24:291
4144566991512,2cyclictest0-21swapper/112:23:351
4144566991511,3cyclictest78835-21kthreadcore08:53:401
4144566991511,3cyclictest78835-21kthreadcore08:53:401
4144566991511,3cyclictest47243-21kthreadcore08:28:401
4144566991511,3cyclictest242020-21kthreadcore11:08:401
4144566991511,3cyclictest167751-21kthreadcore10:08:391
4144566991511,3cyclictest161150-21kthreadcore10:03:401
4144566991511,3cyclictest1288-1atopacctd10:13:351
4144566991511,3cyclictest124693-21kthreadcore09:33:391
414456699150,10cyclictest4178212-21expr07:38:371
414456299154,5cyclictest0-21swapper/008:56:040
414456299152,6cyclictest0-21swapper/007:28:290
414456299151,7cyclictest330537-21diskstats12:23:350
414456299151,7cyclictest0-21swapper/011:43:340
414456299151,6cyclictest116541-21latency_hist09:25:010
414456299151,4cyclictest324185-21/usr/sbin/munin12:18:350
414456299151,3cyclictest68036-21cat08:45:010
414456299151,3cyclictest226157-21/usr/sbin/munin10:58:450
4144562991512,2cyclictest75517-21irqcore08:53:380
4144562991512,2cyclictest75517-21irqcore08:53:380
4144562991512,2cyclictest49469-21latency_hist08:30:020
4144562991512,2cyclictest4189400-21systemd07:45:020
4144562991512,2cyclictest4172485-21cut07:33:370
4144562991511,3cyclictest6601-21needreboot07:53:420
4144562991511,3cyclictest4191140-21kthreadcore07:48:380
4144562991511,3cyclictest4156171-21kthreadcore07:18:420
4144562991511,3cyclictest4156171-21kthreadcore07:18:420
4144562991511,3cyclictest222898-21kthreadcore10:53:420
414456299150,8cyclictest293491-21expr11:53:350
414456299150,7cyclictest56521-21runrttasks08:38:340
414456299150,2cyclictest160390-21diskstats10:03:360
4144569991412,1cyclictest0-21swapper/212:08:462
4144569991412,1cyclictest0-21swapper/209:05:022
4144569991411,1cyclictest0-21swapper/211:50:022
4144569991411,1cyclictest0-21swapper/211:40:012
4144569991411,1cyclictest0-21swapper/211:10:002
4144569991411,1cyclictest0-21swapper/210:28:392
4144569991411,1cyclictest0-21swapper/209:53:362
4144569991411,1cyclictest0-21swapper/209:18:452
4144569991411,1cyclictest0-21swapper/208:43:352
4144569991411,1cyclictest0-21swapper/208:25:002
4144569991411,1cyclictest0-21swapper/208:15:012
4144569991411,1cyclictest0-21swapper/208:07:292
414456999140,11cyclictest293042-21chrt11:53:272
414456699143,5cyclictest0-21swapper/108:58:341
414456699142,6cyclictest214177-21telnet10:48:341
4144566991411,2cyclictest9131-21irqrtprio07:58:381
4144566991411,2cyclictest311779-21aten_repower_fr12:08:351
4144566991411,2cyclictest263986-21kthreadcore11:28:381
4144566991411,2cyclictest136191-21gltestperf09:43:361
4144566991411,2cyclictest0-21swapper/111:43:341
4144566991410,3cyclictest351247-21kthreadcore12:38:411
4144566991410,3cyclictest32352-21cut08:18:351
4144566991410,3cyclictest185260-21kthreadcore10:23:391
414456299148,2cyclictest134050irq/121-eno110:26:310
414456299143,5cyclictest0-21swapper/009:16:320
4144562991412,1cyclictest4144556-21cyclictest07:58:390
4144562991411,2cyclictest4181314-21kthreadcore07:38:420
4144562991411,2cyclictest4164244-21pmu-power07:23:420
4144562991411,2cyclictest204757-21kthreadcore10:38:400
4144562991411,2cyclictest186717-21kthreadcore10:23:410
4144562991411,2cyclictest1-21systemd10:18:450
2649091141,2phc2sys0-21swapper/308:28:393
2649091140,2phc2sys0-21swapper/309:14:563
4144569991312,0cyclictest0-21swapper/208:20:002
4144569991311,1cyclictest0-21swapper/207:15:002
4144569991310,1cyclictest0-21swapper/212:33:412
4144569991310,1cyclictest0-21swapper/211:28:422
4144569991310,1cyclictest0-21swapper/210:13:372
4144569991310,1cyclictest0-21swapper/209:33:402
4144569991310,1cyclictest0-21swapper/208:37:532
4144569991310,1cyclictest0-21swapper/208:35:012
4144569991310,1cyclictest0-21swapper/208:03:352
4144569991310,1cyclictest0-21swapper/207:58:432
4144569991310,1cyclictest0-21swapper/207:48:382
4144569991310,1cyclictest0-21swapper/207:40:012
414456699131,7cyclictest4144611-21munin-run07:10:021
414456699131,5cyclictest130830-21cut09:38:401
414456299131,2cyclictest276257-21irqstats11:38:400
4144562991310,2cyclictest314420-21kthreadcore12:08:420
414456299130,3cyclictest257166-21df11:23:360
414456999129,1cyclictest0-21swapper/211:41:092
414456999129,1cyclictest0-21swapper/211:01:302
414456999129,1cyclictest0-21swapper/210:38:352
414456999129,1cyclictest0-21swapper/210:00:482
414456999129,1cyclictest0-21swapper/209:14:432
4144569991210,1cyclictest0-21swapper/212:25:022
4144569991210,1cyclictest0-21swapper/211:00:012
4144569991210,1cyclictest0-21swapper/210:50:012
2649091120,2phc2sys0-21swapper/312:09:113
2649091120,2phc2sys0-21swapper/309:59:473
2649091120,1phc2sys0-21swapper/310:18:363
414456999119,1cyclictest0-21swapper/212:36:272
414456999119,1cyclictest0-21swapper/212:26:122
414456999119,1cyclictest0-21swapper/212:15:582
414456999119,1cyclictest0-21swapper/211:55:292
414456999119,1cyclictest0-21swapper/210:16:092
414456999119,1cyclictest0-21swapper/209:57:432
414456999119,1cyclictest0-21swapper/209:46:282
414456999119,1cyclictest0-21swapper/209:42:222
414456999119,1cyclictest0-21swapper/209:35:122
414456999119,1cyclictest0-21swapper/209:21:532
414456999119,1cyclictest0-21swapper/208:55:162
414456999119,1cyclictest0-21swapper/208:51:102
414456999119,1cyclictest0-21swapper/208:51:102
414456999119,1cyclictest0-21swapper/208:25:342
414456999119,1cyclictest0-21swapper/207:50:452
414456999119,1cyclictest0-21swapper/207:30:162
414456999119,1cyclictest0-21swapper/207:26:102
414456999119,1cyclictest0-21swapper/207:15:562
414456999119,1cyclictest0-21swapper/207:15:562
414456999119,1cyclictest0-21swapper/207:10:022
414456999118,1cyclictest0-21swapper/211:20:402
414456999118,1cyclictest0-21swapper/211:15:332
414456999110,8cyclictest165643-21chrt10:05:552
2649091114,1phc2sys0-21swapper/311:16:343
2649091110,1phc2sys0-21swapper/311:48:043
2649091110,1phc2sys0-21swapper/308:59:103
2649091110,1phc2sys0-21swapper/308:53:493
2649091110,1phc2sys0-21swapper/308:53:493
2649091110,1phc2sys0-21swapper/308:21:503
2649091110,1phc2sys0-21swapper/308:12:003
2649091102,1phc2sys0-21swapper/312:28:403
2649091101,3phc2sys0-21swapper/310:28:343
2649091101,2phc2sys0-21swapper/312:03:343
2649091101,2phc2sys0-21swapper/309:48:343
2649091101,2phc2sys0-21swapper/309:33:363
2649091101,2phc2sys0-21swapper/307:23:363
2649091100,2phc2sys0-21swapper/311:53:333
2649091100,2phc2sys0-21swapper/311:35:013
2649091100,2phc2sys0-21swapper/309:24:253
2649091100,1phc2sys0-21swapper/311:09:453
2649091100,1phc2sys0-21swapper/310:34:153
2649091100,1phc2sys0-21swapper/307:29:213
264909192,1phc2sys0-21swapper/311:13:343
264909192,1phc2sys0-21swapper/308:00:263
264909191,2phc2sys0-21swapper/312:38:383
264909191,1phc2sys0-21swapper/312:18:463
264909191,1phc2sys0-21swapper/309:38:413
264909191,1phc2sys0-21swapper/307:58:463
264909190,2phc2sys0-21swapper/312:15:013
264909190,2phc2sys0-21swapper/311:43:393
264909190,2phc2sys0-21swapper/310:50:013
264909190,2phc2sys0-21swapper/310:03:333
264909190,2phc2sys0-21swapper/309:18:333
264909190,2phc2sys0-21swapper/308:19:553
264909190,2phc2sys0-21swapper/307:55:013
264909190,2phc2sys0-21swapper/307:43:353
264909190,1phc2sys0-21swapper/312:35:013
264909190,1phc2sys0-21swapper/311:37:543
264909190,1phc2sys0-21swapper/310:53:423
264909190,1phc2sys0-21swapper/308:39:203
264909181,3phc2sys0-21swapper/311:22:303
264909181,2phc2sys0-21swapper/311:00:433
264909181,2phc2sys0-21swapper/307:32:013
264909181,1phc2sys0-21swapper/312:23:353
264909181,1phc2sys0-21swapper/309:53:353
264909180,3phc2sys0-21swapper/310:58:343
264909180,3phc2sys0-21swapper/307:18:343
264909180,3phc2sys0-21swapper/307:18:343
264909180,2phc2sys0-21swapper/311:55:313
264909180,2phc2sys0-21swapper/310:43:403
264909180,2phc2sys0-21swapper/310:38:353
264909180,2phc2sys0-21swapper/310:13:473
264909180,2phc2sys0-21swapper/309:43:343
264909180,2phc2sys0-21swapper/309:04:563
264909180,2phc2sys0-21swapper/308:48:443
264909180,2phc2sys0-21swapper/308:08:403
264909180,2phc2sys0-21swapper/307:13:303
264909180,2phc2sys0-21swapper/307:08:333
264909180,1phc2sys0-21swapper/311:26:403
264909180,1phc2sys0-21swapper/309:06:553
264909180,1phc2sys0-21swapper/308:43:423
264909180,1phc2sys0-21swapper/308:33:323
264909180,1phc2sys0-21swapper/307:46:123
264909180,1phc2sys0-21swapper/307:35:583
264909170,2phc2sys0-21swapper/309:25:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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