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2025-06-17 - 00:02
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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 Mon Jun 16, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
57208721090,2sleep30-21swapper/310:40:253
3151382870,2sleep10-21swapper/107:55:201
2499691300,2getstats0-21swapper/308:36:433
2499691280,2getstats0-21swapper/312:26:453
257044992716,6cyclictest0-21swapper/010:05:000
257045992522,2cyclictest0-21swapper/111:20:011
257044992517,7cyclictest559596-21/usr/sbin/munin10:35:020
257044992515,9cyclictest1695-21dbus-daemon12:05:010
25010912517,2phc2sys0-21swapper/309:20:593
25010912418,2phc2sys0-21swapper/311:35:063
25010912418,2phc2sys0-21swapper/311:16:463
25010912418,2phc2sys0-21swapper/310:55:223
25010912418,2phc2sys0-21swapper/310:34:303
25010912418,2phc2sys0-21swapper/310:03:353
25010912418,2phc2sys0-21swapper/309:43:393
25010912417,3phc2sys0-21swapper/309:52:293
25010912417,2phc2sys0-21swapper/310:11:533
25010912417,2phc2sys0-21swapper/309:10:253
74249422319,3sleep30-21swapper/312:17:213
257044992314,5cyclictest284193-21aten_repower_en07:30:170
25010912318,3phc2sys0-21swapper/312:32:003
25010912318,3phc2sys0-21swapper/312:11:363
25010912318,3phc2sys0-21swapper/312:02:063
25010912318,3phc2sys0-21swapper/311:49:523
25010912318,3phc2sys0-21swapper/311:31:443
25010912318,3phc2sys0-21swapper/311:29:003
25010912318,3phc2sys0-21swapper/311:01:343
25010912318,3phc2sys0-21swapper/310:38:143
25010912318,3phc2sys0-21swapper/310:15:453
25010912318,3phc2sys0-21swapper/310:06:073
25010912318,3phc2sys0-21swapper/309:59:013
25010912318,3phc2sys0-21swapper/309:46:353
25010912318,3phc2sys0-21swapper/309:37:093
25010912318,3phc2sys0-21swapper/309:15:453
25010912318,3phc2sys0-21swapper/308:02:393
25010912318,3phc2sys0-21swapper/307:21:163
25010912317,2phc2sys0-21swapper/310:21:153
25010912317,2phc2sys0-21swapper/309:30:133
25010912317,2phc2sys0-21swapper/308:59:433
25010912317,2phc2sys0-21swapper/308:08:443
25010912317,2phc2sys0-21swapper/307:55:583
25010912317,2phc2sys0-21swapper/307:46:083
25010912317,2phc2sys0-21swapper/307:15:123
25010912317,2phc2sys0-21swapper/307:15:113
25010912317,2phc2sys0-21swapper/307:14:433
25010912316,2phc2sys0-21swapper/312:20:233
70802522218,2sleep30-21swapper/311:58:183
61734022218,2sleep30-21swapper/311:05:273
43658122218,2sleep30-21swapper/309:25:283
257046992220,1cyclictest0-21swapper/212:10:022
257046992219,1cyclictest0-21swapper/211:30:022
257045992219,2cyclictest744186-21perf12:20:001
257045992219,2cyclictest502581-21/usr/sbin/munin10:05:011
257045992219,2cyclictest277915-21latency_hist07:25:011
257045992218,3cyclictest467323-21sh09:45:011
257045992217,4cyclictest2016-21lldpd11:27:431
257045992217,1cyclictest178850irq/121-eno111:50:021
257044992215,6cyclictest1726-21systemd-logind12:30:010
257044992215,2cyclictest479045-21kthreadcore09:50:250
25010912217,3phc2sys0-21swapper/312:35:173
25010912217,3phc2sys0-21swapper/312:09:403
25010912217,3phc2sys0-21swapper/311:40:143
25010912217,3phc2sys0-21swapper/311:22:183
25010912217,3phc2sys0-21swapper/309:09:033
25010912217,3phc2sys0-21swapper/308:45:593
25010912217,3phc2sys0-21swapper/308:23:473
25010912217,3phc2sys0-21swapper/307:41:273
25010912217,2phc2sys0-21swapper/308:15:543
924598210,4rtkit-daemon120262-21packagekitd10:42:501
62876222117,2sleep30-21swapper/311:13:493
58296622118,2sleep30-21swapper/310:45:393
33856722117,2sleep20-21swapper/208:12:092
257046992118,1cyclictest0-21swapper/211:45:002
257045992118,2cyclictest647001-21apt-get11:25:011
257045992118,2cyclictest523818-21apt-key10:15:011
257045992117,3cyclictest455234-21timerwakeupswit09:35:311
25010912117,2phc2sys0-21swapper/310:51:263
25010912117,2phc2sys0-21swapper/307:25:053
924598200,3rtkit-daemon9311-21sendmail-mta10:32:031
40513922017,2sleep20-21swapper/209:07:552
38690222017,2sleep20-21swapper/208:51:522
38086822017,2sleep20-21swapper/208:47:072
36267722017,2sleep30-21swapper/308:31:413
35686322017,2sleep20-21swapper/208:29:122
35085422017,2sleep20-21swapper/208:24:472
34459722017,2sleep20-21swapper/208:16:502
33217722017,2sleep20-21swapper/208:05:362
30194522017,2sleep20-21swapper/207:41:152
29585522017,2sleep20-21swapper/207:36:262
28354422017,2sleep20-21swapper/207:27:042
27104022017,2sleep20-21swapper/207:15:542
27104022017,2sleep20-21swapper/207:15:542
257046992018,1cyclictest0-21swapper/209:55:012
257046992017,1cyclictest0-21swapper/212:40:012
257045992017,2cyclictest682866-21grep11:45:011
257045992013,3cyclictest1992-21runrttasks10:50:181
257044992017,2cyclictest744181-21latency_hist12:20:000
25704499200,2cyclictest374671-21grep08:40:310
25010912017,2phc2sys0-21swapper/311:52:583
25010912017,2phc2sys0-21swapper/309:01:093
25010912017,2phc2sys0-21swapper/308:50:513
25010912017,2phc2sys0-21swapper/308:42:333
25010912017,2phc2sys0-21swapper/308:26:103
25010912017,2phc2sys0-21swapper/308:12:593
25010912017,2phc2sys0-21swapper/307:09:363
25010912017,1phc2sys0-21swapper/307:35:083
257046991917,1cyclictest0-21swapper/210:00:072
257046991916,1cyclictest0-21swapper/211:50:012
257046991916,1cyclictest0-21swapper/210:30:012
257046991915,1cyclictest0-21swapper/212:30:012
257045991916,2cyclictest717899-21cut12:05:001
257045991916,2cyclictest449478-21runrttasks09:35:001
257045991915,3cyclictest411246-21unixbench-2d09:10:331
25704499199,5cyclictest0-21swapper/010:45:030
25704499198,6cyclictest0-21swapper/012:15:000
25704499198,6cyclictest0-21swapper/011:30:260
257044991916,2cyclictest449577-21latency_hist09:35:000
257044991911,7cyclictest0-21swapper/011:00:000
257044991911,3cyclictest424136-21expr09:20:220
257044991910,5cyclictest515318-21tail10:10:180
5498662185,4sleep30-21swapper/310:29:283
28981621816,1sleep20-21swapper/207:34:542
257046991815,1cyclictest0-21swapper/210:15:012
257046991815,1cyclictest0-21swapper/209:40:002
257046991814,2cyclictest0-21swapper/210:39:422
25704599186,5cyclictest0-21swapper/111:12:451
257045991815,2cyclictest532682-21sh10:20:011
257045991815,2cyclictest1726-21systemd-logind09:55:021
257045991812,2cyclictest178850irq/121-eno112:10:011
257045991811,3cyclictest752947-21idleruntime-cro12:25:001
257045991810,2cyclictest191rcu_preempt10:05:231
25704499189,5cyclictest0-21swapper/010:45:260
25704499188,5cyclictest0-21swapper/011:00:190
25704499188,5cyclictest0-21swapper/010:20:280
257044991811,4cyclictest674200-21aten2.4-expect11:40:220
257044991810,6cyclictest0-21swapper/011:15:020
25704699172,9cyclictest0-21swapper/210:00:012
257046991715,1cyclictest0-21swapper/211:25:022
257046991715,1cyclictest0-21swapper/211:00:002
257046991714,1cyclictest0-21swapper/211:20:012
257046991714,1cyclictest0-21swapper/210:05:282
257046991713,3cyclictest0-21swapper/208:40:032
25704699171,13cyclictest467319-21chrt09:45:012
257046991710,3cyclictest0-21swapper/209:45:162
257045991714,2cyclictest673534-21idleruntime-cro11:40:001
257045991713,3cyclictest289943-21apt-key07:35:011
257045991712,4cyclictest329180-21kthreadcore08:05:241
257045991712,1cyclictest1312-21hwrng11:04:451
25704499179,4cyclictest562698-21kthreadcore10:35:300
25704499174,7cyclictest308798-21aten2.4-expect07:50:190
25704499171,6cyclictest682475-21kworker/u16:1+rpciod12:36:100
257044991714,2cyclictest511991-21ucf10:07:060
257044991714,2cyclictest356532-21unixbench_singl08:25:300
257044991714,2cyclictest345080-21cut08:20:020
257044991714,2cyclictest316048-21kthreadcore07:55:240
257044991714,2cyclictest257048-21systemd-run07:10:020
257044991713,3cyclictest770493-21idleruntime-cro12:35:000
257044991712,4cyclictest630446-21cstates11:15:230
257044991711,5cyclictest0-21swapper/009:40:300
257044991710,6cyclictest567879-21kworker/u16:0-events_unbound11:20:210
924598160,2rtkit-daemon767537-21ssh12:30:321
30813221614,1sleep20-21swapper/207:47:402
257046991614,1cyclictest0-21swapper/212:35:002
257046991613,1cyclictest0-21swapper/212:15:232
257046991613,1cyclictest0-21swapper/211:52:272
257046991613,1cyclictest0-21swapper/210:40:212
257046991613,1cyclictest0-21swapper/209:30:272
257046991613,1cyclictest0-21swapper/208:00:392
257046991611,3cyclictest0-21swapper/211:05:162
25704699160,13cyclictest550536-21chrt10:30:022
25704699160,13cyclictest320441-21chrt07:59:582
25704599169,6cyclictest563259-21cut10:35:291
25704599169,3cyclictest547479-21sshd10:25:391
25704599168,4cyclictest0-21swapper/107:45:021
25704599167,4cyclictest0-21swapper/111:00:001
25704599165,1cyclictest191rcu_preempt11:10:011
257045991614,1cyclictest585657-21turbostat.cron10:49:561
257045991613,2cyclictest257042-21cyclictest12:25:251
257045991613,2cyclictest2016-21lldpd07:10:161
257045991613,2cyclictest1726-21systemd-logind07:55:021
257045991612,3cyclictest296379-21kworker/u16:0+nfsiod09:18:321
257045991611,1cyclictest191rcu_preempt09:20:161
25704499169,6cyclictest0-21swapper/012:20:230
25704499168,7cyclictest0-21swapper/011:25:180
25704499165,5cyclictest0-21swapper/010:29:100
25704499164,6cyclictest454549-21kthreadcore09:35:260
25704499163,8cyclictest471464-21kthreadcore09:45:250
25704499161,9cyclictest271549-21munin-run07:20:010
25704499161,9cyclictest271549-21munin-run07:20:010
257044991614,1cyclictest257042-21cyclictest07:15:010
257044991613,2cyclictest697425-21xargs11:50:350
257044991613,2cyclictest493672-21cut10:00:010
257044991613,2cyclictest419997-21grep09:15:330
257044991613,2cyclictest405369-21latency_hist09:10:010
257044991613,2cyclictest332885-21apt-get08:10:010
257044991611,4cyclictest2240602-1atopacctd11:35:250
25704699152,10cyclictest0-21swapper/209:30:012
257046991513,1cyclictest0-21swapper/211:30:192
257046991512,1cyclictest0-21swapper/211:58:392
257046991512,1cyclictest0-21swapper/210:50:012
257046991512,1cyclictest0-21swapper/209:00:002
257046991511,2cyclictest0-21swapper/210:20:192
257046991511,2cyclictest0-21swapper/209:25:002
25704699151,11cyclictest414088-21taskset09:14:592
25704699150,9cyclictest7353732sleep212:14:592
25704699150,12cyclictest717762-21chrt12:04:562
25704699150,12cyclictest611998-21chrt11:04:572
25704699150,12cyclictest422842-21chrt09:19:562
25704699150,12cyclictest375036-21chrt08:44:582
25704699150,12cyclictest308627-21chrt07:50:042
25704599158,3cyclictest36-21ksoftirqd/109:25:261
25704599156,3cyclictest501rcuop/207:46:361
25704599151,3cyclictest265624-21apt-get07:15:171
25704599151,3cyclictest265624-21apt-get07:15:171
257045991512,2cyclictest760086-21kworker/u16:3-rpciod12:40:021
257045991512,2cyclictest729921-21kthreadcore12:10:281
257045991512,2cyclictest485797-21forks09:55:211
257045991512,2cyclictest388455-21sed08:55:241
257045991512,2cyclictest257042-21cyclictest11:30:251
257045991512,2cyclictest1695-21dbus-daemon10:20:401
257045991511,3cyclictest354088-21kthreadcore08:25:231
25704499157,4cyclictest0-21swapper/011:55:210
25704499157,2cyclictest0-21swapper/010:15:170
25704499151,4cyclictest617497-21ssh11:05:280
257044991512,2cyclictest723154-21needreboot12:05:280
257044991512,2cyclictest433667-21kthreadcore09:25:250
257044991511,2cyclictest0-21swapper/011:45:290
257046991411,1cyclictest0-21swapper/212:20:222
257046991411,1cyclictest0-21swapper/211:35:192
25704699140,12cyclictest586027-21chrt10:50:022
25704699140,12cyclictest532620-21chrt10:20:002
25704699140,11cyclictest6295082chrt11:14:592
25704699140,11cyclictest362931-21chrt08:34:562
25704699140,11cyclictest257256-21chrt07:10:042
25704599147,5cyclictest770595-21systemd-journal08:39:561
25704599147,3cyclictest705976-21mailstats11:55:311
25704599147,3cyclictest36-21ksoftirqd/108:19:561
25704599146,4cyclictest1695-21dbus-daemon07:10:021
257045991411,2cyclictest695023-21kthreadcore11:50:291
257045991411,2cyclictest473014-21timerwakeupswit09:45:301
257045991411,2cyclictest334441-21kthreadcore08:10:251
257045991411,2cyclictest1726-21systemd-logind08:50:011
257045991410,3cyclictest382575-21irqrtprio08:50:261
257045991410,3cyclictest362032-21pmu-power08:30:271
257045991410,3cyclictest347302-21kthreadcore08:20:401
257045991410,3cyclictest293200-21kthreadcore07:35:231
257045991410,3cyclictest281376-21kthreadcore07:25:231
25704499145,4cyclictest364209-21sed08:35:250
25704499144,3cyclictest412024-21sshd09:11:380
257044991411,2cyclictest381438-21acpi08:50:180
257044991411,2cyclictest302888-21cpuspeed_turbos07:45:180
257044991411,2cyclictest291743-21kthreadcore07:35:220
257044991411,2cyclictest2240602-1atopacctd08:00:380
257044991410,3cyclictest276152-21kthreadcore07:20:260
28974521310,2sleep30-21swapper/307:33:593
25704599139,3cyclictest369485-21aten_repower_po08:40:191
25704599135,3cyclictest399476-21latency_hist09:05:011
257045991310,2cyclictest324025-21kthreadcore08:00:381
25704499138,4cyclictest191rcu_preempt10:50:190
25704499138,4cyclictest0-21swapper/007:40:190
25704499136,2cyclictest278072-21/usr/sbin/munin07:25:190
25704499132,6cyclictest387663-21aten2.4-expect08:55:200
257044991311,2cyclictest114544-21kworker/u16:3+events_freezable_pwr_efficient09:01:070
257044991310,2cyclictest375682-21cpuspeed_turbos08:45:220
257044991310,2cyclictest358495-21irqrtprio08:30:220
257044991310,2cyclictest349404-21kthreadcore08:20:410
25704499130,3cyclictest0-21swapper/008:10:320
257046991210,1cyclictest0-21swapper/209:00:242
257046991210,1cyclictest0-21swapper/207:20:242
25704599128,3cyclictest402522-21kthreadcore09:05:271
2499691120,1getstats0-21swapper/307:51:443
2570469986,1cyclictest0-21swapper/207:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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