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2026-06-11 - 15:21
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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 376 highest latencies:
System rackeslot2.osadl.org (updated Thu Jun 11, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
104695221040,2sleep30-21swapper/310:55:283
8914842320,1sleep00-21swapper/009:10:280
10207392300,2sleep20-21swapper/210:40:242
737527992922,2cyclictest67250irq/126-eno109:45:011
737527992922,2cyclictest67250irq/126-eno109:45:011
737527992722,1cyclictest9314031systemd-run09:40:011
737527992615,6cyclictest0-21swapper/109:35:031
737527992522,2cyclictest916364-21dump-pmu-power09:30:011
737526992522,2cyclictest886926-21grep09:10:000
737526992514,6cyclictest918164-21irqrtprio09:30:240
737528992421,1cyclictest0-21swapper/211:05:012
737527992421,2cyclictest1153848-21grep12:10:021
7904422230,2sleep30-21swapper/307:50:293
737527992321,1cyclictest0-21swapper/108:45:011
737527992310,3cyclictest0-21swapper/112:25:021
737526992314,1cyclictest67250irq/126-eno108:19:260
737526992313,5cyclictest1146565-21latency_hist12:05:020
737528992220,1cyclictest0-21swapper/207:20:002
737528992220,1cyclictest0-21swapper/207:15:022
737527992219,2cyclictest764129-21latency_hist07:30:001
737527992219,2cyclictest660-21dbus-daemon11:00:021
737527992219,2cyclictest1-21systemd09:25:031
737527992219,2cyclictest1131630-21apt-config11:55:011
737527992219,2cyclictest1109154-21apt-key11:40:011
737527992212,3cyclictest1015053-21kthreadcore10:35:281
73752699229,8cyclictest1110244-21df_inode11:40:220
737528992119,1cyclictest0-21swapper/209:35:032
737527992118,2cyclictest946108-21apt-key09:50:011
737527992116,3cyclictest1186942-21kthreadcore12:30:271
737526992118,2cyclictest819513-21systemd-run08:15:010
737526992118,2cyclictest0-21swapper/010:40:010
737526992117,1cyclictest491rcuog/212:10:320
737526992113,7cyclictest1193082-21kthreadcore12:35:280
737526992111,6cyclictest1163186-21kthreadcore12:15:260
73752899208,8cyclictest825895-21chrt08:20:212
73752799209,3cyclictest0-21swapper/109:15:011
73752799208,2cyclictest191rcu_preempt11:46:291
737527992017,2cyclictest990975-21systemd10:20:021
73752699207,5cyclictest1242-21mta-sts-daemon11:29:410
73752699204,3cyclictest1180110-21kthreadcore12:25:290
737526992017,2cyclictest938716-21latency_hist09:45:010
737526992017,2cyclictest938716-21latency_hist09:45:010
737526992017,2cyclictest660-21dbus-daemon10:55:010
737526992017,2cyclictest660-21dbus-daemon10:55:010
737526992014,5cyclictest977711-21kthreadcore10:10:280
737526992010,5cyclictest0-21swapper/011:55:310
3153791200,3phc2sys0-21swapper/309:10:193
737528991917,1cyclictest0-21swapper/210:20:012
737528991916,1cyclictest0-21swapper/211:40:012
73752799199,3cyclictest0-21swapper/112:17:291
73752799191,8cyclictest862610-21munin-plugin-st08:50:001
737527991916,2cyclictest1061753-21kthreadcore11:05:301
737527991916,2cyclictest0-21swapper/110:15:021
73752699199,6cyclictest1150249-21kthreadcore12:05:280
73752699198,7cyclictest1106646-21kthreadcore11:35:290
73752699197,8cyclictest906972-21sed09:20:300
73752699196,8cyclictest1027681-21kworker/u16:2+xprtiod10:57:200
73752699195,9cyclictest955934-21tr09:55:260
737526991916,2cyclictest916280-21sh09:29:480
737526991916,2cyclictest765-1atopacctd09:35:250
737526991916,2cyclictest658-21avahi-daemon12:35:010
737526991916,2cyclictest1176311-21/usr/sbin/munin12:25:010
737526991914,1cyclictest191rcu_preempt11:49:000
737526991910,8cyclictest0-21swapper/011:15:200
737526991910,5cyclictest753509-21irqrtprio07:20:250
737528991815,1cyclictest0-21swapper/211:45:012
737528991815,1cyclictest0-21swapper/209:05:292
73752799188,1cyclictest492398rtkit-daemon08:17:001
73752799187,3cyclictest0-21swapper/110:30:211
73752799183,5cyclictest67250irq/126-eno112:35:201
737527991816,1cyclictest1086750-21apt-get11:25:021
737527991815,2cyclictest950444-21kthreadcore09:50:291
737527991815,2cyclictest869012-21acpi08:55:191
737527991815,2cyclictest781-21gmain11:10:291
737527991815,2cyclictest1114788-21mailstats11:40:311
737527991815,2cyclictest1097055-21kthreadcore11:30:281
737527991814,3cyclictest1054661-21kthreadcore11:00:301
73752699189,6cyclictest1065014-21/usr/sbin/munin11:10:190
73752699189,5cyclictest274-21systemd-journal07:35:140
73752699189,5cyclictest1031023-21kthreadcore10:45:280
73752699189,5cyclictest0-21swapper/010:00:290
73752699189,5cyclictest0-21swapper/008:30:020
73752699188,6cyclictest851248-21gltestperf08:40:250
73752699187,7cyclictest947883-21tr09:50:270
73752699187,7cyclictest894642-21sh09:15:090
73752699187,7cyclictest1125696-21irqrtprio11:50:250
73752699182,4cyclictest880494-21kworker/u16:1+events_unbound11:30:220
73752699181,5cyclictest863097-21aten2.4-expect08:50:220
737526991815,2cyclictest940456-21kthreadcore09:45:260
737526991815,2cyclictest871798-21kthreadcore08:55:280
737526991815,2cyclictest859650-21kthreadcore08:45:270
737526991815,2cyclictest827189-21kthreadcore08:20:280
737526991815,2cyclictest745818-21grep07:15:030
737526991815,2cyclictest739088-21kthreadcore07:10:270
737526991815,2cyclictest660-21dbus-daemon08:40:010
737526991815,2cyclictest658-21avahi-daemon07:45:330
737526991815,2cyclictest0-21swapper/011:25:010
737526991815,2cyclictest0-21swapper/008:35:010
737526991813,4cyclictest988758-21ptp4l10:15:310
737526991813,1cyclictest191rcu_preempt11:01:300
737526991813,1cyclictest191rcu_preempt10:32:410
737526991810,5cyclictest274-21systemd-journal07:30:130
737528991715,1cyclictest0-21swapper/212:20:342
737528991715,1cyclictest0-21swapper/208:45:002
737528991714,1cyclictest0-21swapper/211:52:532
737528991714,1cyclictest0-21swapper/211:25:222
737528991714,1cyclictest0-21swapper/211:05:292
737528991714,1cyclictest0-21swapper/210:40:012
737528991714,1cyclictest0-21swapper/210:31:482
737528991714,1cyclictest0-21swapper/210:13:022
737528991714,1cyclictest0-21swapper/210:05:022
737528991712,3cyclictest0-21swapper/212:30:192
737528991710,2cyclictest0-21swapper/212:25:212
73752799178,3cyclictest67250irq/126-eno112:29:261
73752799175,4cyclictest976050-21cat10:10:011
737527991714,2cyclictest67250irq/126-eno109:18:051
737527991714,2cyclictest1242-21mta-sts-daemon09:57:311
737527991714,2cyclictest0-21swapper/111:20:031
73752699178,5cyclictest806822-21munin-run08:05:010
73752699176,7cyclictest777821-21irqrtprio07:40:270
73752699175,3cyclictest760720-21cut07:25:260
73752699171,5cyclictest998497-21aten2.4-expect10:25:210
73752699171,5cyclictest1057760-21aten2.4-expect11:05:220
737526991714,2cyclictest971864-21kthreadcore10:05:280
737526991714,2cyclictest876396-21kthreadcore09:00:280
737526991714,2cyclictest810146-21kthreadcore08:05:280
737526991710,4cyclictest0-21swapper/010:20:220
3153791170,4phc2sys0-21swapper/312:19:263
3153791170,3phc2sys0-21swapper/309:19:393
3153791170,2phc2sys0-21swapper/310:40:183
3153791170,2phc2sys0-21swapper/308:55:293
3153791170,2phc2sys0-21swapper/307:55:343
737528991614,1cyclictest0-21swapper/208:05:282
737528991614,1cyclictest0-21swapper/208:05:022
737528991613,1cyclictest0-21swapper/212:10:352
737528991613,1cyclictest0-21swapper/212:00:012
737528991613,1cyclictest0-21swapper/211:46:162
737528991613,1cyclictest0-21swapper/211:17:112
737528991613,1cyclictest0-21swapper/210:59:382
737528991613,1cyclictest0-21swapper/209:41:082
737528991613,1cyclictest0-21swapper/209:41:082
737528991613,1cyclictest0-21swapper/209:18:102
737528991613,1cyclictest0-21swapper/209:00:282
737528991613,1cyclictest0-21swapper/208:50:282
737528991613,1cyclictest0-21swapper/208:00:022
737528991613,1cyclictest0-21swapper/207:55:022
737528991613,1cyclictest0-21swapper/207:45:012
737528991613,1cyclictest0-21swapper/207:25:252
737528991612,2cyclictest0-21swapper/211:10:282
737528991612,2cyclictest0-21swapper/209:10:562
737528991612,1cyclictest0-21swapper/210:05:192
737528991611,3cyclictest0-21swapper/208:10:202
737528991611,2cyclictest0-21swapper/208:55:202
73752799168,3cyclictest67250irq/126-eno110:40:231
73752799166,2cyclictest0-21swapper/107:22:471
73752799163,4cyclictest806450-21sshd08:01:271
73752799162,4cyclictest1158090-21grep12:10:291
737527991613,2cyclictest868689-21latency_hist08:55:011
737527991613,2cyclictest658-21avahi-daemon08:25:021
737527991613,2cyclictest1237-21mta-sts-daemon07:55:271
737527991613,2cyclictest1-21systemd07:45:151
737527991613,2cyclictest1146371-21sh12:05:001
737527991613,2cyclictest1028631-21if_enp1s0.810:45:251
737527991613,2cyclictest1003331-21sendmail_mailqu10:25:311
737527991613,2cyclictest0-21swapper/111:30:011
737527991613,2cyclictest0-21swapper/110:00:281
737527991613,2cyclictest0-21swapper/108:35:021
737527991611,4cyclictest1-21systemd07:45:011
73752699169,4cyclictest0-21swapper/010:40:260
73752699168,4cyclictest0-21swapper/007:50:220
737526991613,2cyclictest796166-21kernelversion07:55:270
3153791161,2phc2sys0-21swapper/312:10:213
3153791160,2phc2sys0-21swapper/311:55:303
3153791160,2phc2sys0-21swapper/311:27:443
73752899158,5cyclictest0-21swapper/212:05:272
737528991513,1cyclictest0-21swapper/211:23:432
737528991513,1cyclictest0-21swapper/210:45:222
737528991513,1cyclictest0-21swapper/210:30:012
737528991513,1cyclictest0-21swapper/209:39:242
737528991513,1cyclictest0-21swapper/209:20:242
737528991513,1cyclictest0-21swapper/208:30:032
737528991512,1cyclictest0-21swapper/210:55:022
737528991512,1cyclictest0-21swapper/210:55:022
737528991512,1cyclictest0-21swapper/210:25:002
737528991512,1cyclictest0-21swapper/209:49:252
737528991512,1cyclictest0-21swapper/209:26:352
737528991512,1cyclictest0-21swapper/207:20:302
737528991511,2cyclictest0-21swapper/212:15:282
737528991511,2cyclictest0-21swapper/209:59:412
73752799153,4cyclictest813653-21cat08:10:031
737527991512,2cyclictest879506-21kthreadcore09:00:291
737527991512,2cyclictest850126-21cron08:40:001
737527991512,2cyclictest746908-21gltestperf07:15:241
737527991512,2cyclictest745450-21fschecks_time07:15:031
737527991512,2cyclictest737524-21cyclictest07:40:021
737527991511,3cyclictest993017-21kthreadcore10:20:271
737527991511,3cyclictest1134885-21kthreadcore11:55:271
3153791151,6phc2sys0-21swapper/311:00:213
3153791151,4phc2sys0-21swapper/310:25:203
3153791151,3phc2sys0-21swapper/307:35:203
3153791150,3phc2sys0-21swapper/310:38:063
3153791150,2phc2sys0-21swapper/312:04:113
3153791150,2phc2sys0-21swapper/309:47:193
3153791150,1phc2sys0-21swapper/311:37:053
3153791150,1phc2sys0-21swapper/310:22:073
73752899141,2cyclictest0-21swapper/209:51:152
737528991412,1cyclictest0-21swapper/212:35:322
737528991412,1cyclictest0-21swapper/211:31:502
737528991412,1cyclictest0-21swapper/208:30:222
737528991411,1cyclictest0-21swapper/212:00:072
737528991411,1cyclictest0-21swapper/208:45:252
737528991411,1cyclictest0-21swapper/208:16:562
737528991411,1cyclictest0-21swapper/207:30:312
737528991410,2cyclictest0-21swapper/208:35:352
737527991411,2cyclictest814444-21gltestperf08:10:241
737527991411,2cyclictest1237-21mta-sts-daemon08:25:241
737527991410,3cyclictest882897-21kthreadcore09:05:281
73752799140,5cyclictest1035437-21apt-get10:50:201
73752799140,5cyclictest1035437-21apt-get10:50:201
3153791140,3phc2sys0-21swapper/310:49:383
3153791140,3phc2sys0-21swapper/307:15:203
3153791140,2phc2sys0-21swapper/311:48:483
3153791140,2phc2sys0-21swapper/311:30:213
3153791140,1phc2sys0-21swapper/309:03:313
3153791140,1phc2sys0-21swapper/307:40:283
737528991311,1cyclictest0-21swapper/207:45:252
737528991311,1cyclictest0-21swapper/207:35:242
73752799139,3cyclictest767843-21kthreadcore07:30:271
73752799136,5cyclictest738-21gdbus07:10:021
73752799136,2cyclictest67250irq/126-eno107:50:031
3153791130,4phc2sys0-21swapper/310:16:213
3153791130,3phc2sys0-21swapper/311:06:393
3153791130,2phc2sys0-21swapper/312:31:493
3153791130,2phc2sys0-21swapper/310:03:403
3153791130,2phc2sys0-21swapper/309:29:093
3153791130,2phc2sys0-21swapper/308:26:293
3153791130,2phc2sys0-21swapper/307:32:073
3153791127,2phc2sys0-21swapper/312:23:223
3153791120,3phc2sys0-21swapper/307:25:263
3153791120,2phc2sys0-21swapper/311:40:183
3153791120,2phc2sys0-21swapper/310:55:013
3153791120,2phc2sys0-21swapper/310:55:013
3153791120,2phc2sys0-21swapper/310:05:203
3153791120,2phc2sys0-21swapper/309:52:093
3153791120,2phc2sys0-21swapper/308:41:513
3153791120,2phc2sys0-21swapper/307:46:583
3153791120,1phc2sys0-21swapper/312:09:573
3153791120,1phc2sys0-21swapper/311:51:293
3153791113,2phc2sys0-21swapper/311:11:003
3153791110,3phc2sys0-21swapper/311:18:073
3153791110,3phc2sys0-21swapper/309:05:173
3153791110,2phc2sys0-21swapper/312:40:033
3153791110,2phc2sys0-21swapper/310:11:213
3153791110,2phc2sys0-21swapper/307:10:233
3153791110,1phc2sys0-21swapper/308:30:533
3153791110,1phc2sys0-21swapper/308:08:573
73752899108,1cyclictest0-21swapper/207:10:022
73752699104,4cyclictest660-21dbus-daemon07:10:010
3153791101,4phc2sys0-21swapper/308:45:193
3153791101,2phc2sys0-21swapper/310:30:293
3153791101,2phc2sys0-21swapper/309:56:023
3153791101,2phc2sys0-21swapper/309:40:273
3153791101,2phc2sys0-21swapper/309:40:273
3153791101,2phc2sys0-21swapper/309:39:313
3153791101,2phc2sys0-21swapper/309:20:233
3153791101,2phc2sys0-21swapper/308:15:033
3153791101,2phc2sys0-21swapper/307:20:213
3153791100,2phc2sys0-21swapper/312:25:523
3153791100,2phc2sys0-21swapper/309:33:183
3153791100,2phc2sys0-21swapper/308:35:293
3153791100,1phc2sys0-21swapper/308:04:093
315379190,2phc2sys0-21swapper/311:20:543
315379190,2phc2sys0-21swapper/308:50:293
315379190,2phc2sys0-21swapper/308:20:323
315379190,2phc2sys0-21swapper/308:10:143
315379180,2phc2sys0-21swapper/307:05:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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