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2025-07-16 - 00:07
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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 Tue Jul 15, 2025 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
377211222060,2sleep30-21swapper/309:25:223
366875721610,2sleep30-21swapper/308:05:313
366875721610,2sleep30-21swapper/308:05:313
386190521160,3sleep30-21swapper/310:15:323
402233923018,2sleep30-21swapper/311:49:033
3594080992816,7cyclictest3983905-21kthreadcore11:25:240
25010912618,3phc2sys0-21swapper/310:10:123
3594081992522,2cyclictest0-21swapper/110:25:011
3594080992513,5cyclictest3770686-21kthreadcore09:25:210
25010912518,3phc2sys0-21swapper/309:15:543
25010912518,2phc2sys0-21swapper/312:25:073
25010912518,2phc2sys0-21swapper/311:44:433
37659612240,2sleep30-21swapper/309:20:333
3594081992415,3cyclictest4015538-21if_enp1s0.811:45:161
3594080992421,2cyclictest3601211-21cut07:15:030
3594080992421,2cyclictest3601211-21cut07:15:030
25010912418,3phc2sys0-21swapper/310:58:253
25010912418,2phc2sys0-21swapper/312:37:013
25010912418,2phc2sys0-21swapper/311:02:073
25010912418,2phc2sys0-21swapper/310:46:443
25010912418,2phc2sys0-21swapper/310:26:563
25010912418,2phc2sys0-21swapper/310:06:043
25010912418,2phc2sys0-21swapper/309:36:383
25010912418,2phc2sys0-21swapper/309:08:403
25010912418,2phc2sys0-21swapper/307:40:273
25010912418,2phc2sys0-21swapper/307:20:153
25010912418,2phc2sys0-21swapper/307:20:153
25010912417,2phc2sys0-21swapper/312:05:513
25010912417,2phc2sys0-21swapper/310:44:513
408183522318,3sleep30-21swapper/312:21:263
3594081992315,3cyclictest4099401-21runrttasks12:31:361
3594080992312,6cyclictest0-21swapper/010:30:020
25010912318,3phc2sys0-21swapper/312:19:453
25010912318,3phc2sys0-21swapper/312:02:373
25010912318,3phc2sys0-21swapper/311:58:133
25010912318,3phc2sys0-21swapper/311:51:273
25010912318,3phc2sys0-21swapper/311:17:453
25010912318,3phc2sys0-21swapper/311:10:193
25010912318,3phc2sys0-21swapper/310:51:113
25010912318,3phc2sys0-21swapper/309:50:403
25010912318,3phc2sys0-21swapper/309:41:423
25010912318,3phc2sys0-21swapper/309:30:523
25010912318,3phc2sys0-21swapper/309:30:523
25010912318,3phc2sys0-21swapper/309:00:103
25010912318,3phc2sys0-21swapper/308:51:523
25010912318,3phc2sys0-21swapper/308:47:563
25010912318,3phc2sys0-21swapper/308:17:143
25010912318,3phc2sys0-21swapper/307:35:013
25010912318,2phc2sys0-21swapper/309:48:363
25010912317,2phc2sys0-21swapper/312:14:373
25010912317,2phc2sys0-21swapper/308:11:053
25010912317,2phc2sys0-21swapper/307:50:253
25010912317,2phc2sys0-21swapper/307:48:093
25010912317,2phc2sys0-21swapper/307:18:353
25010912317,2phc2sys0-21swapper/307:06:573
25010912316,2phc2sys0-21swapper/310:35:253
409906622218,2sleep30-21swapper/312:31:043
407478222218,2sleep20-21swapper/212:19:122
404939922218,2sleep20-21swapper/212:05:052
404786522218,2sleep20-21swapper/212:03:052
402940922218,2sleep20-21swapper/211:51:232
402025822218,2sleep20-21swapper/211:45:342
401199822218,2sleep20-21swapper/211:41:172
400517122218,2sleep20-21swapper/211:39:282
400517122218,2sleep20-21swapper/211:39:282
399592122218,2sleep20-21swapper/211:34:072
398657122218,2sleep20-21swapper/211:28:022
395216622218,2sleep30-21swapper/311:09:193
391562922218,2sleep20-21swapper/210:47:102
390633522218,2sleep20-21swapper/210:41:172
388858822218,2sleep20-21swapper/210:30:472
388314122218,2sleep30-21swapper/310:30:243
387059122218,2sleep20-21swapper/210:20:292
385474622218,2sleep20-21swapper/210:13:032
384668222218,2sleep20-21swapper/210:09:092
383600322218,2sleep30-21swapper/310:00:543
382981422217,2sleep30-21swapper/310:00:023
378437522218,2sleep20-21swapper/209:32:032
378437522218,2sleep20-21swapper/209:32:022
377508422218,2sleep20-21swapper/209:26:062
25010912217,3phc2sys0-21swapper/308:26:043
25010912217,3phc2sys0-21swapper/307:12:133
25010912217,3phc2sys0-21swapper/307:12:133
25010912217,2phc2sys0-21swapper/308:32:503
25010912216,2phc2sys0-21swapper/310:23:553
409024022117,2sleep20-21swapper/212:25:582
400444322118,2sleep30-21swapper/311:38:173
400444322118,2sleep30-21swapper/311:38:173
399413122118,2sleep30-21swapper/311:31:083
398606022118,2sleep30-21swapper/311:27:113
397819022117,2sleep20-21swapper/211:23:332
396790722118,2sleep20-21swapper/211:16:192
395904522118,2sleep20-21swapper/211:11:112
380179722117,2sleep20-21swapper/209:42:012
378650422117,2sleep20-21swapper/209:35:032
375724022117,2sleep20-21swapper/209:15:402
373561922117,2sleep20-21swapper/209:00:292
373014522118,2sleep30-21swapper/308:58:583
370574422118,2sleep30-21swapper/308:37:543
368888722117,2sleep20-21swapper/208:25:222
363337322117,2sleep20-21swapper/207:40:142
3594080992114,2cyclictest3838711-21systemd-run10:05:020
3594080992110,6cyclictest0-21swapper/009:20:010
25010912117,2phc2sys0-21swapper/309:11:103
25010912117,2phc2sys0-21swapper/307:58:353
406572422017,2sleep20-21swapper/212:13:432
388087222017,2sleep20-21swapper/210:27:262
376843822017,2sleep20-21swapper/209:24:372
374206422017,2sleep20-21swapper/209:05:342
372988122017,2sleep20-21swapper/208:55:322
372389922017,2sleep20-21swapper/208:51:392
371231522017,2sleep20-21swapper/208:45:062
371189522017,2sleep20-21swapper/208:43:422
370575322017,2sleep20-21swapper/208:38:012
369953722017,2sleep20-21swapper/208:30:472
368744822017,2sleep20-21swapper/208:21:262
367512422017,2sleep20-21swapper/208:12:042
366356622017,2sleep20-21swapper/208:05:072
366356622017,2sleep20-21swapper/208:05:072
366316022017,2sleep20-21swapper/208:03:542
366304222017,2sleep30-21swapper/308:02:233
365696822017,2sleep20-21swapper/207:57:212
365089822017,2sleep20-21swapper/207:52:082
364478422017,2sleep20-21swapper/207:46:192
363277022017,2sleep20-21swapper/207:37:502
362113722017,2sleep20-21swapper/207:30:082
362032122017,2sleep20-21swapper/207:27:002
361440822017,2sleep20-21swapper/207:24:072
361440822017,2sleep20-21swapper/207:24:072
359974122017,2sleep20-21swapper/207:10:372
359974122017,2sleep20-21swapper/207:10:372
3594081992017,2cyclictest3996663-21apt-config11:35:001
3594081992012,3cyclictest0-21swapper/111:54:591
359408099209,6cyclictest0-21swapper/012:35:250
3594080992013,2cyclictest4093187-21/usr/sbin/munin12:30:150
3594080992010,5cyclictest0-21swapper/009:25:010
3594080992010,3cyclictest501rcuop/207:50:280
25010912017,2phc2sys0-21swapper/307:37:173
3594082991916,1cyclictest0-21swapper/209:50:202
3594081991916,2cyclictest3970282-21apt-key11:20:011
359408099199,5cyclictest0-21swapper/011:35:180
359408099199,5cyclictest0-21swapper/011:35:180
359408099199,5cyclictest0-21swapper/007:30:000
359408099198,6cyclictest0-21swapper/011:05:220
359408099191,6cyclictest3908947-21ssh10:45:020
3594080991911,4cyclictest0-21swapper/011:35:000
362046721815,2sleep30-21swapper/307:28:533
3594082991815,1cyclictest0-21swapper/209:50:002
359408199187,7cyclictest3594078-21cyclictest09:22:221
3594081991815,2cyclictest3952755-21latency_hist11:10:011
3594081991815,2cyclictest1726-21systemd-logind12:00:011
3594080991815,2cyclictest1695-21dbus-daemon07:40:020
3594080991810,7cyclictest0-21swapper/010:10:010
359408099180,1cyclictest4037214-21mailstats11:55:270
359408099180,14cyclictest3676852-21sed08:15:190
924598170,4rtkit-daemon1761-21gdbus10:35:020
368748121714,2sleep30-21swapper/308:21:513
3594082991714,1cyclictest0-21swapper/212:30:162
3594082991714,1cyclictest0-21swapper/210:50:262
359408199173,8cyclictest3936125-21expr11:00:161
3594081991714,2cyclictest3975921-21ptp4l-jitter11:20:281
3594081991714,2cyclictest3935369-21latency_hist11:00:011
3594081991714,2cyclictest3860709-21kthreadcore10:15:261
3594081991714,2cyclictest3594078-21cyclictest10:30:011
3594081991714,2cyclictest2240602-1atopacctd12:06:021
3594081991714,2cyclictest2240602-1atopacctd10:08:481
3594081991714,2cyclictest1726-21systemd-logind10:45:011
3594081991714,2cyclictest0-21swapper/112:15:001
3594081991714,2cyclictest0-21swapper/110:55:001
3594081991712,3cyclictest0-21swapper/107:15:021
3594081991712,3cyclictest0-21swapper/107:15:021
3594081991710,3cyclictest0-21swapper/109:30:011
359408099179,4cyclictest3955334-21kthreadcore11:10:220
359408099175,11cyclictest0-21swapper/012:10:170
3594080991714,2cyclictest3926146-21latency_hist10:55:000
3594080991714,2cyclictest1707-21polkitd09:45:000
3594080991713,3cyclictest3896760-21mailstats10:35:270
3594080991712,4cyclictest1761-21gdbus12:30:020
3594080991710,6cyclictest3812381-21kworker/u16:2+nfsiod12:15:340
3594080991710,4cyclictest4016027-21kthreadcore11:45:180
3594082991613,1cyclictest0-21swapper/209:15:012
3594082991613,1cyclictest0-21swapper/207:15:222
3594081991613,2cyclictest3830359-21aten2.4-expect10:00:161
3594081991613,2cyclictest3803761-21systemd-run09:45:011
3594081991613,2cyclictest3760115-21latency_hist09:20:021
3594081991613,2cyclictest2240602-1atopacctd12:35:211
3594081991613,2cyclictest0-21swapper/111:40:021
3594081991613,2cyclictest0-21swapper/111:40:021
3594081991612,3cyclictest2240602-1atopacctd12:20:201
3594081991612,2cyclictest0-21swapper/109:50:011
3594081991611,3cyclictest3694024-21latency_hist08:30:021
359408099168,3cyclictest3688060-21/usr/sbin/munin08:25:290
359408099168,3cyclictest16-21ksoftirqd/010:20:000
359408099166,5cyclictest0-21swapper/011:15:160
359408099161,4cyclictest0-21swapper/009:35:580
3594080991613,2cyclictest3657213-21perf08:00:000
3594080991613,2cyclictest3608616-21cut07:20:010
359408099161,1cyclictest178850irq/121-eno109:56:150
359408099161,13cyclictest0-21swapper/012:04:180
359408099161,11cyclictest0-21swapper/010:10:230
3594080991610,5cyclictest3936943-21kthreadcore11:00:210
3594080991610,3cyclictest3633565-21cpuspeed_turbos07:40:140
359408099160,6cyclictest4026881-21cut11:50:280
359408099160,5cyclictest3669661-21apt-get08:10:130
3594082991512,1cyclictest0-21swapper/211:56:522
3594082991512,1cyclictest0-21swapper/210:55:222
3594082991512,1cyclictest0-21swapper/210:20:002
359408199158,5cyclictest3891143-21cron10:39:551
359408199154,5cyclictest178850irq/121-eno108:19:091
3594081991512,2cyclictest3849028-21kthreadcore10:10:221
3594081991512,2cyclictest3723424-21mailstats08:50:261
3594081991512,2cyclictest3594078-21cyclictest11:40:101
3594081991512,2cyclictest2240602-1atopacctd10:33:251
3594081991512,2cyclictest0-21swapper/112:20:021
3594081991511,3cyclictest3668579-21mailstats08:05:291
3594081991511,3cyclictest3668579-21mailstats08:05:291
3594081991511,3cyclictest3616205-21kthreadcore07:25:231
3594081991511,3cyclictest2240602-1atopacctd07:15:261
359408099159,5cyclictest3970125-21cron11:24:550
359408099158,2cyclictest0-21swapper/009:10:140
359408099157,4cyclictest0-21swapper/009:50:130
359408099155,5cyclictest3663992-21cstates08:05:200
359408099155,5cyclictest3663992-21cstates08:05:200
359408099153,7cyclictest3707338-21irqcore08:40:200
3594080991512,2cyclictest4057909-21munin-plugin-st12:10:010
3594080991512,2cyclictest4006910-21cut11:40:190
3594080991512,2cyclictest3865838-21cut10:20:180
3594080991512,2cyclictest2240602-1atopacctd09:00:170
3594080991512,2cyclictest1695-21dbus-daemon08:40:020
3594080991511,3cyclictest3779445-21kthreadcore09:30:210
3594080991511,3cyclictest3779445-21kthreadcore09:30:210
3594080991511,3cyclictest3698047-21kthreadcore08:30:220
3594080991511,3cyclictest3683791-21kthreadcore08:20:230
3594080991510,4cyclictest3645104-21awk07:50:010
25010911510,2phc2sys0-21swapper/308:41:513
3594082991412,1cyclictest0-21swapper/210:35:012
3594082991411,1cyclictest0-21swapper/211:05:162
3594082991411,1cyclictest0-21swapper/210:05:012
359408199148,2cyclictest178850irq/121-eno108:30:221
359408199145,8cyclictest3627554-21tr07:35:161
359408199144,6cyclictest2240602-1atopacctd09:32:001
359408199144,6cyclictest2240602-1atopacctd09:32:001
359408199144,4cyclictest3621256-21aten_repower_fr07:30:151
359408199141,7cyclictest3633848-21df07:40:151
3594081991411,2cyclictest4089496-21ptp4l12:25:261
3594081991411,2cyclictest3979492-21/usr/sbin/munin11:25:191
3594081991411,2cyclictest3725462-21irqcore08:55:201
3594081991411,2cyclictest3670955-21kthreadcore08:10:211
3594081991411,2cyclictest3660316-21kthreadcore08:00:231
3594081991411,2cyclictest3611540-21tr07:20:221
3594081991411,2cyclictest3611540-21tr07:20:221
3594081991411,2cyclictest2240602-1atopacctd09:55:011
3594081991411,2cyclictest0-21swapper/108:00:001
3594081991410,3cyclictest3825139-21kthreadcore09:55:231
3594081991410,3cyclictest3707586-21kthreadcore08:40:211
3594081991410,3cyclictest3705030-21pmu-power08:35:301
3594081991410,3cyclictest3685475-21kthreadcore08:20:231
3594081991410,3cyclictest3647016-21kthreadcore07:50:301
359408099146,4cyclictest0-21swapper/010:55:160
3594080991411,2cyclictest3909190-21aten_repower_en10:45:160
3594080991411,2cyclictest3726163-21kthreadcore08:55:210
3594080991411,2cyclictest3724312-21latency_hist08:55:010
3594080991410,3cyclictest3736426-21kworker/u16:1+nfsiod09:45:110
3594080991410,3cyclictest1695-21dbus-daemon07:25:010
3594080991410,3cyclictest1695-21dbus-daemon07:25:010
359408099140,4cyclictest501rcuop/208:45:140
359408299139,2cyclictest0-21swapper/212:20:212
359408299139,2cyclictest0-21swapper/209:55:242
3594082991311,1cyclictest0-21swapper/212:35:142
3594082991311,1cyclictest0-21swapper/207:10:022
3594082991310,1cyclictest0-21swapper/211:00:172
359408199139,3cyclictest4042041-21irqrtprio12:00:181
359408199139,3cyclictest3712882-21sh08:45:171
359408199139,2cyclictest0-21swapper/107:10:011
359408199136,2cyclictest178850irq/121-eno109:12:401
3594081991310,2cyclictest3953843-21tail11:10:191
3594081991310,2cyclictest3913159-21kthreadcore10:45:251
3594081991310,2cyclictest3787232-21sh09:35:211
3594081991310,2cyclictest3737445-21idleruntime09:05:191
3594081991310,2cyclictest3640470-21sed07:45:221
359408099139,3cyclictest3657574-21aten_repower_cu08:00:150
359408099131,7cyclictest4075714-21diskmemload12:20:120
3594080991310,2cyclictest3622697-21kthreadcore07:30:210
359408299129,1cyclictest0-21swapper/208:15:172
359408199129,2cyclictest3734083-21kthreadcore09:00:241
359408099129,2cyclictest0-21swapper/007:10:010
359408099122,5cyclictest3736833-21aten2.4-expect09:05:160
250109180,2phc2sys0-21swapper/311:20:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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