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2026-07-18 - 23:58
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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 Sat Jul 18, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
95873321340,2sleep0676-21mta-sts-daemon10:16:160
81179321030,2sleep30-21swapper/308:31:143
710806992617,7cyclictest16-21ksoftirqd/011:15:030
710806992320,2cyclictest1073623-21latency_hist11:35:000
710806992315,3cyclictest16-21ksoftirqd/012:35:020
710806992314,5cyclictest951349-21kthreadcore10:11:160
71080699230,3cyclictest0-21swapper/009:01:090
710807992218,3cyclictest718661-21sort07:15:031
710806992218,2cyclictest191rcu_preempt07:30:010
710806992214,3cyclictest16-21ksoftirqd/009:10:010
710807992118,2cyclictest918248-21ssh09:50:011
71080699217,5cyclictest1126777-21ssh12:11:100
710806992118,2cyclictest1-21systemd07:20:010
710806992115,3cyclictest16-21ksoftirqd/008:00:010
710806992113,3cyclictest896668-21/usr/sbin/munin09:36:200
710806992111,1cyclictest191rcu_preempt10:46:150
710806992110,1cyclictest17750irq/127-ahci[0000:00:17.0]12:00:010
71080699210,11cyclictest1097431-21sed11:51:130
710808992018,1cyclictest0-21swapper/210:50:022
710808992017,1cyclictest0-21swapper/209:10:022
710807992017,2cyclictest977390-21systemd-run10:30:011
71080699209,6cyclictest0-21swapper/010:35:010
71080699208,6cyclictest16-21ksoftirqd/011:30:000
710806992017,2cyclictest1149461-21cut12:26:110
710806992014,2cyclictest191rcu_preempt08:26:190
710806992010,3cyclictest1016249-21kernelversion10:56:140
710808991917,1cyclictest0-21swapper/207:30:012
710808991916,1cyclictest0-21swapper/210:56:202
710808991916,1cyclictest0-21swapper/210:01:142
71080699197,7cyclictest16-21ksoftirqd/009:20:010
71080699197,6cyclictest501rcuop/210:51:500
71080699195,7cyclictest991906-21sh10:39:350
710806991915,1cyclictest191rcu_preempt08:15:320
710806991914,1cyclictest191rcu_preempt08:56:150
710806991912,6cyclictest710804-21cyclictest11:50:010
710806991911,3cyclictest16-21ksoftirqd/009:35:020
710806991911,3cyclictest16-21ksoftirqd/008:15:020
3240591191,2phc2sys0-21swapper/310:00:013
11548902190,2sleep30-21swapper/312:28:053
710808991816,1cyclictest0-21swapper/209:30:022
71080799189,4cyclictest0-21swapper/111:11:161
710807991815,2cyclictest0-21swapper/112:40:031
710807991813,4cyclictest732288-21gltestperf07:26:101
710807991813,1cyclictest69250irq/121-eno111:50:021
71080699188,6cyclictest0-21swapper/010:00:020
71080699188,3cyclictest16-21ksoftirqd/007:15:010
71080699186,7cyclictest16-21ksoftirqd/007:40:010
71080699186,7cyclictest1048193-21cut11:16:170
710806991815,2cyclictest755066-21mailstats07:41:190
710806991815,2cyclictest684-21systemd-logind08:05:020
710806991814,1cyclictest191rcu_preempt10:03:190
710806991813,1cyclictest191rcu_preempt08:50:090
710806991812,5cyclictest191rcu_preempt11:07:410
710806991811,2cyclictest765802-21kthreadcore07:51:160
710806991810,3cyclictest191rcu_preempt09:21:130
710806991810,3cyclictest16-21ksoftirqd/008:50:010
71080699180,8cyclictest943873-21tr10:06:140
71080699180,8cyclictest811884-21irqcore08:31:150
71080699180,8cyclictest740761-21kthreadcore07:31:160
3240591181,2phc2sys0-21swapper/311:50:073
3240591181,2phc2sys0-21swapper/309:44:373
3240591180,1phc2sys0-21swapper/308:51:153
710808991715,1cyclictest0-21swapper/211:21:152
710808991715,1cyclictest0-21swapper/209:20:022
710808991715,1cyclictest0-21swapper/207:40:012
710808991714,1cyclictest0-21swapper/212:16:082
710808991714,1cyclictest0-21swapper/211:55:012
710808991712,1cyclictest0-21swapper/212:35:022
71080799171,8cyclictest910943-21latency_hist09:45:011
710807991714,2cyclictest986704-21runrttasks10:36:161
710807991714,2cyclictest1161300-21mailstats12:31:191
710807991714,2cyclictest0-21swapper/109:35:021
71080699179,1cyclictest191rcu_preempt12:02:140
71080699178,4cyclictest16-21ksoftirqd/008:45:010
71080699178,3cyclictest16-21ksoftirqd/012:25:010
71080699178,1cyclictest501rcuop/211:00:230
71080699177,1cyclictest191rcu_preempt12:06:490
71080699176,7cyclictest16-21ksoftirqd/012:40:010
71080699176,1cyclictest191rcu_preempt10:41:140
71080699175,7cyclictest728816-21tr07:21:140
71080699175,7cyclictest16-21ksoftirqd/011:40:000
71080699174,5cyclictest803262-21tr08:21:150
71080699174,5cyclictest803262-21tr08:21:150
710806991714,2cyclictest1-21systemd07:46:200
710806991714,2cyclictest1059095-21sh11:25:020
710806991712,2cyclictest1300-21mta-sts-daemon10:25:180
71080699170,6cyclictest884242-21cut09:26:130
3240591170,2phc2sys0-21swapper/312:15:153
3240591170,2phc2sys0-21swapper/308:36:053
710808991614,1cyclictest0-21swapper/211:56:122
710808991614,1cyclictest0-21swapper/211:31:152
710808991614,1cyclictest0-21swapper/211:20:012
710808991614,1cyclictest0-21swapper/210:55:022
710808991614,1cyclictest0-21swapper/209:56:172
710808991614,1cyclictest0-21swapper/208:01:092
710808991613,1cyclictest0-21swapper/210:16:202
710808991613,1cyclictest0-21swapper/209:51:102
710808991610,3cyclictest11128552sleep212:01:152
71080799169,3cyclictest0-21swapper/109:51:181
71080799168,6cyclictest69250irq/121-eno111:24:101
71080799168,3cyclictest690-21rs:main1
710807991613,2cyclictest993592-21if_enp1s010:41:131
710807991613,2cyclictest1103222-21idleruntime-cro11:55:011
710807991613,2cyclictest1034-21runrttasks10:04:401
710807991613,2cyclictest0-21swapper/110:00:011
710807991613,2cyclictest0-21swapper/109:30:021
710807991612,3cyclictest849966-21kthreadcore09:01:161
710807991612,3cyclictest825738-21kthreadcore08:41:161
710807991612,3cyclictest759-1atopacctd08:56:151
71080699169,3cyclictest16-21ksoftirqd/009:11:210
71080699167,4cyclictest16-21ksoftirqd/010:21:130
71080699166,4cyclictest820180-21kthreadcore08:36:130
71080699166,2cyclictest191rcu_preempt08:06:130
71080699165,1cyclictest191rcu_preempt11:41:080
71080699162,9cyclictest16-21ksoftirqd/009:41:080
71080699161,7cyclictest1135133-21ps12:16:140
710806991612,1cyclictest191rcu_preempt09:46:130
71080699160,4cyclictest922173-21tr09:51:140
3240591160,2phc2sys0-21swapper/311:27:213
3240591160,2phc2sys0-21swapper/310:46:463
3240591160,1phc2sys0-21swapper/312:21:293
3240591160,1phc2sys0-21swapper/310:27:023
710808991514,0cyclictest0-21swapper/211:45:012
710808991513,1cyclictest0-21swapper/211:26:092
710808991513,1cyclictest0-21swapper/211:11:172
710808991513,1cyclictest0-21swapper/210:11:162
710808991513,1cyclictest0-21swapper/209:41:312
710808991513,1cyclictest0-21swapper/208:26:152
710808991513,1cyclictest0-21swapper/207:41:152
710808991512,1cyclictest0-21swapper/212:37:302
710808991512,1cyclictest0-21swapper/212:21:152
710808991512,1cyclictest0-21swapper/212:10:532
710808991512,1cyclictest0-21swapper/212:06:192
710808991512,1cyclictest0-21swapper/211:45:112
710808991512,1cyclictest0-21swapper/209:33:182
710808991512,1cyclictest0-21swapper/207:31:222
71080799159,4cyclictest802381-21cut08:21:151
71080799159,4cyclictest802381-21cut08:21:151
710807991512,2cyclictest941877-21cut10:06:101
710807991512,2cyclictest901934-21xargs09:36:181
710807991512,2cyclictest856030-21kthreadcore09:06:151
710807991512,2cyclictest838-21gmain07:15:041
710807991512,2cyclictest816437-21latency_hist08:35:011
710807991512,2cyclictest798343-21systemd-run08:20:011
710807991512,2cyclictest759-1atopacctd07:47:281
710807991512,2cyclictest747411-21kthreadcore07:36:151
710807991512,2cyclictest740725-21kthreadcore07:31:171
710807991512,2cyclictest710979-21systemd-run07:10:021
710807991512,2cyclictest1307-21mta-sts-daemon07:22:391
710807991512,2cyclictest1081035-21latency_hist11:40:021
710807991512,2cyclictest1066203-21latency_hist11:30:011
710807991512,2cyclictest1021685-21sh11:00:011
710807991512,2cyclictest1002978-21kthreadcore10:46:151
710807991511,3cyclictest872587-21unixbench_multi09:16:211
710807991511,3cyclictest752920-21sort07:41:151
710807991511,3cyclictest1142300-21if_enp1s0.812:21:131
3240591150,2phc2sys0-21swapper/310:51:343
3240591150,2phc2sys0-21swapper/308:11:093
3240591150,1phc2sys0-21swapper/311:33:433
3240591150,1phc2sys0-21swapper/311:24:053
710808991412,1cyclictest0-21swapper/208:11:112
710808991411,1cyclictest0-21swapper/211:05:012
710808991411,1cyclictest0-21swapper/210:36:182
710808991411,1cyclictest0-21swapper/210:31:202
710808991411,1cyclictest0-21swapper/210:06:132
710808991411,1cyclictest0-21swapper/209:48:282
710808991411,1cyclictest0-21swapper/209:39:552
710808991411,1cyclictest0-21swapper/208:56:222
710808991411,1cyclictest0-21swapper/208:55:012
71080799149,4cyclictest1306-21mta-sts-daemon07:58:081
71080799146,3cyclictest1110870-21cron12:00:011
71080799144,5cyclictest1129736-21cut12:11:171
71080799143,9cyclictest1013756-21sh10:53:301
710807991412,1cyclictest1088655-21systemd-run11:45:021
710807991411,2cyclictest960682-21needreboot10:16:181
710807991411,2cyclictest949669-21irqrtprio10:11:141
710807991411,2cyclictest875490-21if_err_eno109:21:121
710807991411,2cyclictest831796-21kthreadcore08:46:131
710807991411,2cyclictest781152-21gltestperf08:06:111
710807991411,2cyclictest716899-21munin-node08:29:421
710807991411,2cyclictest1307-21mta-sts-daemon08:11:031
710807991411,2cyclictest1306-21mta-sts-daemon12:00:261
710807991411,2cyclictest1134250-21cpuspeed12:16:091
710807991411,2cyclictest1048419-21kthreadcore11:16:171
710807991411,2cyclictest1034615-21pmu-power11:06:181
710807991411,2cyclictest0-21swapper/112:30:021
710807991411,2cyclictest0-21swapper/109:10:041
710807991410,3cyclictest980826-21kthreadcore10:31:141
710807991410,3cyclictest817006-21aten_repower_vo08:36:071
3240591140,3phc2sys0-21swapper/307:36:163
3240591140,2phc2sys0-21swapper/311:58:193
3240591140,2phc2sys0-21swapper/310:38:153
3240591140,1phc2sys0-21swapper/312:04:023
3240591140,1phc2sys0-21swapper/309:46:253
1157598140,2rtkit-daemon676-21mta-sts-daemon12:06:161
7160862130,4sleep30-21swapper/307:11:213
71080899131,6cyclictest0-21swapper/207:21:072
710808991311,1cyclictest0-21swapper/211:36:132
710808991311,1cyclictest0-21swapper/210:41:152
710808991311,1cyclictest0-21swapper/210:26:142
710808991311,1cyclictest0-21swapper/208:36:092
710808991311,1cyclictest0-21swapper/207:56:152
710808991310,1cyclictest0-21swapper/212:25:082
710808991310,1cyclictest0-21swapper/209:21:132
710808991310,1cyclictest0-21swapper/208:21:152
710808991310,1cyclictest0-21swapper/208:21:152
710808991310,1cyclictest0-21swapper/207:51:082
710808991310,1cyclictest0-21swapper/207:46:142
710808991310,1cyclictest0-21swapper/207:11:102
71080799139,1cyclictest601rcuop/310:23:561
71080799139,1cyclictest601rcuop/308:53:511
71080799133,2cyclictest191rcu_preempt11:31:071
710807991310,2cyclictest774377-21acpi08:01:071
71080699131,6cyclictest710775-21munin-run07:10:010
3240591130,2phc2sys0-21swapper/309:52:213
3240591130,2phc2sys0-21swapper/309:19:283
3240591130,1phc2sys0-21swapper/311:18:433
3240591130,1phc2sys0-21swapper/309:14:123
71080899129,1cyclictest0-21swapper/209:10:342
71080899129,1cyclictest0-21swapper/209:01:102
710808991210,1cyclictest0-21swapper/211:09:372
710808991210,1cyclictest0-21swapper/210:20:342
710808991210,1cyclictest0-21swapper/208:46:132
710808991210,1cyclictest0-21swapper/208:41:112
710808991210,1cyclictest0-21swapper/208:31:282
710808991210,1cyclictest0-21swapper/208:16:092
710808991210,1cyclictest0-21swapper/207:16:072
71080799129,2cyclictest762960-21gltestperf07:51:111
3240591121,1phc2sys0-21swapper/311:47:183
3240591120,2phc2sys0-21swapper/312:14:123
3240591120,1phc2sys0-21swapper/307:40:073
11254342120,3sleep30-21swapper/312:08:343
71080899119,1cyclictest0-21swapper/208:06:132
71080899119,1cyclictest0-21swapper/207:10:022
3240591112,2phc2sys0-21swapper/311:05:023
3240591111,2phc2sys0-21swapper/309:31:083
3240591110,2phc2sys0-21swapper/310:00:213
3240591110,1phc2sys0-21swapper/312:38:453
3240591110,1phc2sys0-21swapper/310:59:573
10356512110,3sleep30-21swapper/311:07:503
3240591103,3phc2sys0-21swapper/310:07:423
3240591101,2phc2sys0-21swapper/310:41:173
3240591101,1phc2sys0-21swapper/309:36:053
3240591100,2phc2sys0-21swapper/312:31:083
3240591100,2phc2sys0-21swapper/311:40:013
3240591100,2phc2sys0-21swapper/310:23:343
3240591100,2phc2sys0-21swapper/310:12:163
3240591100,2phc2sys0-21swapper/308:56:083
3240591100,2phc2sys0-21swapper/308:06:073
3240591100,1phc2sys0-21swapper/310:30:193
3240591100,1phc2sys0-21swapper/309:00:573
3240591100,1phc2sys0-21swapper/308:03:233
3240591100,1phc2sys0-21swapper/307:54:213
3240591100,1phc2sys0-21swapper/307:27:203
10368942100,2sleep30-21swapper/311:10:393
324059193,2phc2sys0-21swapper/307:31:163
324059191,2phc2sys0-21swapper/310:16:083
324059191,2phc2sys0-21swapper/309:20:423
324059191,2phc2sys0-21swapper/308:21:103
324059191,2phc2sys0-21swapper/308:21:103
324059191,2phc2sys0-21swapper/307:46:083
324059190,2phc2sys0-21swapper/309:26:113
324059190,2phc2sys0-21swapper/308:41:223
324059190,2phc2sys0-21swapper/308:26:153
324059190,2phc2sys0-21swapper/308:16:213
324059190,2phc2sys0-21swapper/307:56:103
324059190,2phc2sys0-21swapper/307:21:113
324059190,2phc2sys0-21swapper/307:05:203
324059190,1phc2sys0-21swapper/311:41:053
324059190,1phc2sys0-21swapper/309:06:253
324059181,3phc2sys0-21swapper/308:46:093
324059180,3phc2sys0-21swapper/307:16:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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