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2026-05-15 - 22:41
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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 Fri May 15, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3017273992819,5cyclictest0-21swapper/208:35:072
301727199269,11cyclictest601rcuop/309:45:070
3017271992612,9cyclictest0-21swapper/010:15:010
3017272992516,8cyclictest3354090-21dump-pmu-power11:10:001
3017271992514,7cyclictest0-21swapper/010:00:000
301727299249,3cyclictest0-21swapper/109:20:011
301727199242,21cyclictest3468839-21awk12:25:000
3017271992418,5cyclictest3224267-21sh09:45:000
3017271992410,9cyclictest0-21swapper/010:02:490
3017271992410,1cyclictest191rcu_preempt09:21:480
301727199240,4cyclictest3452634-21ssh12:12:040
3017272992310,3cyclictest3247547-21aten_repower_en10:00:081
301727199236,3cyclictest501rcuop/211:36:420
301727199232,3cyclictest191rcu_preempt11:50:000
301727199231,21cyclictest3058636-21sed07:40:100
3017271992310,12cyclictest3361762-21true11:15:010
301727299228,1cyclictest0-21swapper/112:05:071
301727299225,9cyclictest1290-21dbus-daemon09:10:011
3017272992219,2cyclictest3422709-21apt-key11:55:001
3017272992214,7cyclictest3827634-1atopacctd12:20:011
3017272992213,8cyclictest3375222-21grep11:20:201
3017272992213,4cyclictest0-21swapper/112:20:081
3017272992213,2cyclictest3267991-21cut10:10:191
3017272992213,1cyclictest0-21swapper/111:05:021
3017272992212,2cyclictest3827634-1atopacctd10:40:171
3017272992212,2cyclictest3017269-21cyclictest10:40:011
3017272992211,2cyclictest134050irq/121-eno111:25:081
301727199229,9cyclictest0-21swapper/011:05:080
301727199228,9cyclictest0-21swapper/012:00:190
301727199228,3cyclictest501rcuop/212:29:240
301727199228,3cyclictest501rcuop/212:19:460
301727199228,3cyclictest501rcuop/211:22:260
301727199228,3cyclictest501rcuop/210:26:140
301727199228,3cyclictest501rcuop/210:06:100
301727199228,3cyclictest501rcuop/209:31:230
301727199227,3cyclictest501rcuop/211:54:330
301727199226,3cyclictest501rcuop/209:35:440
301727199226,3cyclictest501rcuop/207:31:000
3017271992217,4cyclictest0-21swapper/008:40:010
3017271992216,5cyclictest1-21systemd08:15:020
3017271992213,8cyclictest3851705-21mta-sts-daemon10:21:090
3017271992212,9cyclictest3423223-21ssh11:55:060
301727199220,11cyclictest3270303-21ssh10:15:050
301727399216,5cyclictest0-21swapper/210:30:002
301727299215,2cyclictest17350irq/127-ahci[0000:00:17.0]10:20:001
3017272992116,3cyclictest0-21swapper/109:50:011
3017272992114,3cyclictest3298960-21timerwakeupswit10:30:201
3017272992112,2cyclictest3290877-21head10:25:151
3017272992112,2cyclictest3023958-21cpu07:15:011
3017272992112,1cyclictest0-21swapper/108:15:011
3017272992111,2cyclictest1326-21systemd-logind07:10:021
3017272992110,2cyclictest0-21swapper/109:20:081
301727199219,8cyclictest0-21swapper/011:15:160
301727199219,11cyclictest0-21swapper/008:00:000
301727199218,3cyclictest501rcuop/210:59:330
301727199217,3cyclictest501rcuop/212:08:150
301727199211,3cyclictest3296320-21cut10:30:140
3017271992113,6cyclictest0-21swapper/007:15:030
3017271992112,4cyclictest501rcuop/209:25:140
301727299209,3cyclictest3851698-21mta-sts-daemon10:06:291
301727299205,3cyclictest0-21swapper/109:25:131
3017272992012,2cyclictest3058695-21idleruntime07:40:111
3017272992012,2cyclictest3027688-21irqrtprio07:15:141
3017272992011,2cyclictest3386300-21kthreadcore11:30:131
3017272992011,2cyclictest3354661-21cpuspeed11:10:071
3017272992011,2cyclictest3242909-21kthreadcore09:55:151
3017272992010,6cyclictest3851702-21mta-sts-daemon09:00:071
3017272992010,4cyclictest3851704-21mta-sts-daemon11:49:311
3017272992010,2cyclictest3057573-21latency_hist07:40:011
301727199209,1cyclictest601rcuop/309:13:510
301727199207,8cyclictest0-21swapper/011:45:010
301727199206,9cyclictest0-21swapper/010:35:080
301727199205,3cyclictest501rcuop/211:04:340
301727199205,10cyclictest0-21swapper/009:50:060
301727199204,6cyclictest501rcuop/212:33:520
301727199204,6cyclictest3346603-21kworker/u16:0+rpciod11:25:430
3017271992015,4cyclictest3827634-1atopacctd07:25:020
3017271992014,5cyclictest3114057-21sshd08:24:490
301727199201,3cyclictest501rcuop/209:19:440
3017271992010,2cyclictest601rcuop/308:45:020
3017271992010,1cyclictest601rcuop/311:30:320
3017271992010,1cyclictest601rcuop/309:08:180
3017271992010,1cyclictest601rcuop/308:00:290
3017271992010,1cyclictest501rcuop/208:15:070
3017273991916,1cyclictest0-21swapper/207:40:452
301727299195,3cyclictest0-21swapper/112:32:481
3017272991916,2cyclictest3017269-21cyclictest08:30:141
3017272991912,3cyclictest3173679-21kthreadcore09:10:131
3017272991910,2cyclictest3436438-21grep12:00:211
3017272991910,2cyclictest3140938-21irqrtprio08:45:131
3017272991910,2cyclictest3048298-21kthreadcore07:30:171
3017272991910,2cyclictest3039057-21latency_hist07:25:011
301727199199,1cyclictest601rcuop/310:50:150
301727199199,1cyclictest601rcuop/308:29:030
301727199199,1cyclictest601rcuop/308:05:340
3017271991913,5cyclictest3485206-21head12:35:080
3017271991913,5cyclictest3076542-21latency_hist07:55:010
3017271991912,4cyclictest601rcuop/310:47:080
3017271991910,8cyclictest3051785-21aten2.4-expect07:35:080
3017271991910,1cyclictest601rcuop/308:31:270
3017271991910,1cyclictest601rcuop/307:47:030
301727199190,3cyclictest3312125-21cut10:40:160
2649091192,2phc2sys0-21swapper/311:04:563
2649091190,2phc2sys0-21swapper/311:49:253
2649091190,2phc2sys0-21swapper/310:19:033
3017273991815,1cyclictest0-21swapper/211:45:012
3017273991815,1cyclictest0-21swapper/208:51:112
3017273991812,2cyclictest0-21swapper/207:50:192
3017272991814,3cyclictest3424562-21kernelversion11:55:141
3017272991814,2cyclictest0-21swapper/111:00:021
3017272991811,3cyclictest3283715-21timerwakeupswit10:20:211
3017272991811,2cyclictest3447691-21kthreadcore12:10:141
3017272991810,2cyclictest3321523-21mailstats10:45:191
3017272991810,2cyclictest3042736-21kthreadcore07:25:141
301727199188,1cyclictest601rcuop/309:00:490
301727199185,3cyclictest501rcuop/208:56:040
301727199181,2cyclictest3146124-21apt-get08:50:070
3017271991811,6cyclictest3134809-21kthreadcore08:40:130
3017271991810,1cyclictest191rcu_preempt07:15:370
2649091180,2phc2sys0-21swapper/312:28:493
2649091180,2phc2sys0-21swapper/309:49:443
3017273991714,1cyclictest0-21swapper/210:25:002
3017273991714,1cyclictest0-21swapper/210:17:342
3017273991714,1cyclictest0-21swapper/208:07:252
3017273991713,2cyclictest0-21swapper/212:25:452
3017273991710,3cyclictest0-21swapper/210:30:062
3017272991714,2cyclictest3146859-21sed08:50:111
3017272991714,2cyclictest1290-21dbus-daemon09:40:011
3017272991714,2cyclictest1-21systemd08:20:001
301727299170,4cyclictest3152400-21apt-get08:55:061
3017271991710,6cyclictest3039672-21sh07:25:090
2649091170,2phc2sys0-21swapper/309:33:453
2649091170,2phc2sys0-21swapper/309:29:363
301727399168,3cyclictest0-21swapper/207:25:072
3017273991613,1cyclictest0-21swapper/211:54:502
3017273991612,2cyclictest0-21swapper/211:50:002
3017273991612,2cyclictest0-21swapper/209:50:532
301727299168,4cyclictest1996-21runrttasks12:28:411
3017272991614,1cyclictest3851704-21mta-sts-daemon11:35:311
3017272991613,2cyclictest3076592-21systemd-run07:55:011
3017272991613,2cyclictest1290-21dbus-daemon08:00:021
3017272991612,3cyclictest1290-21dbus-daemon12:40:011
3017272991611,1cyclictest3834332-21rtkit-daemon11:43:581
3017272991611,1cyclictest134050irq/121-eno110:50:401
3017272991610,2cyclictest134050irq/121-eno109:40:131
301727299160,5cyclictest3239452-21ssh09:54:531
301727199161,5cyclictest3017307-21cat07:10:010
2649091161,2phc2sys0-21swapper/307:10:163
2649091161,1phc2sys0-21swapper/310:28:163
2649091160,2phc2sys0-21swapper/311:55:103
2649091160,2phc2sys0-21swapper/309:59:553
2649091160,1phc2sys0-21swapper/310:14:503
3017273991513,1cyclictest0-21swapper/210:10:012
3017273991513,1cyclictest0-21swapper/210:05:012
3017273991513,1cyclictest0-21swapper/209:45:022
3017273991513,1cyclictest0-21swapper/209:38:172
3017273991513,1cyclictest0-21swapper/207:15:012
3017273991512,2cyclictest0-21swapper/209:45:072
3017273991512,1cyclictest0-21swapper/212:19:022
3017273991512,1cyclictest0-21swapper/211:15:152
3017273991512,1cyclictest0-21swapper/210:41:012
3017273991512,1cyclictest0-21swapper/209:15:202
3017273991512,1cyclictest0-21swapper/209:10:022
3017273991512,1cyclictest0-21swapper/207:40:002
3017273991510,2cyclictest0-21swapper/212:12:042
301727399150,6cyclictest0-21swapper/210:40:002
301727399150,2cyclictest0-21swapper/208:15:082
301727299151,8cyclictest3108148-21apt-get08:20:071
3017272991512,2cyclictest3362202-21aten2.4-expect11:15:091
3017272991511,3cyclictest3206510-21kthreadcore09:30:151
3017272991510,4cyclictest3834328-21sendmail-mta08:38:211
2649091151,7phc2sys0-21swapper/308:05:073
2649091151,2phc2sys0-21swapper/309:36:063
2649091150,3phc2sys0-21swapper/312:04:523
2649091150,2phc2sys0-21swapper/312:11:483
2649091150,2phc2sys0-21swapper/307:05:403
2649091150,1phc2sys0-21swapper/311:43:403
301727399149,3cyclictest0-21swapper/211:05:062
301727399141,5cyclictest0-21swapper/211:30:002
3017273991412,1cyclictest0-21swapper/211:01:032
3017273991412,1cyclictest0-21swapper/210:55:022
3017273991411,1cyclictest0-21swapper/211:33:232
3017273991411,1cyclictest0-21swapper/211:25:012
3017273991411,1cyclictest0-21swapper/209:35:012
3017273991411,1cyclictest0-21swapper/209:20:382
3017273991411,1cyclictest0-21swapper/208:00:112
3017273991411,1cyclictest0-21swapper/207:49:452
3017273991411,1cyclictest0-21swapper/207:34:052
3017273991411,1cyclictest0-21swapper/207:20:002
3017273991410,2cyclictest0-21swapper/212:06:272
3017273991410,2cyclictest0-21swapper/211:55:122
3017273991410,2cyclictest0-21swapper/211:38:142
3017273991410,2cyclictest0-21swapper/208:10:162
3017273991410,1cyclictest0-21swapper/211:10:062
301727299149,4cyclictest3063517-21GUsbEventThread08:03:091
301727299148,5cyclictest1290-21dbus-daemon08:30:001
3017272991411,2cyclictest3851704-21mta-sts-daemon07:50:011
3017272991411,2cyclictest3137311-21kthreadcore08:40:151
3017272991411,2cyclictest3090226-21irqcore08:05:121
30112282141,7sleep20-21swapper/207:05:072
2649091141,3phc2sys0-21swapper/309:51:543
2649091140,3phc2sys0-21swapper/309:10:593
2649091140,3phc2sys0-21swapper/308:30:063
2649091140,2phc2sys0-21swapper/311:24:053
2649091140,2phc2sys0-21swapper/309:23:553
2649091140,1phc2sys0-21swapper/312:23:303
301727399139,2cyclictest0-21swapper/210:55:082
301727399131,5cyclictest0-21swapper/208:50:002
3017273991311,1cyclictest0-21swapper/212:00:092
3017273991311,1cyclictest0-21swapper/210:10:152
3017273991311,1cyclictest0-21swapper/209:15:012
3017273991311,1cyclictest0-21swapper/208:35:002
3017273991310,2cyclictest0-21swapper/209:55:092
3017273991310,1cyclictest0-21swapper/212:35:092
3017273991310,1cyclictest0-21swapper/212:30:122
3017273991310,1cyclictest0-21swapper/212:20:142
3017273991310,1cyclictest0-21swapper/210:45:452
3017273991310,1cyclictest0-21swapper/209:30:022
3017273991310,1cyclictest0-21swapper/208:25:092
3017273991310,1cyclictest0-21swapper/208:20:122
3017273991310,1cyclictest0-21swapper/207:55:092
3017273991310,1cyclictest0-21swapper/207:20:162
2649091130,3phc2sys0-21swapper/308:10:063
2649091130,2phc2sys0-21swapper/311:52:463
2649091130,2phc2sys0-21swapper/311:29:413
2649091130,2phc2sys0-21swapper/311:11:503
2649091130,2phc2sys0-21swapper/311:05:083
2649091130,2phc2sys0-21swapper/310:42:303
2649091130,2phc2sys0-21swapper/310:05:233
31705192120,2sleep30-21swapper/309:05:223
3017273991210,1cyclictest0-21swapper/209:00:082
3017273991210,1cyclictest0-21swapper/208:55:132
3017273991210,1cyclictest0-21swapper/208:40:152
2649091120,5phc2sys0-21swapper/310:53:393
2649091120,2phc2sys0-21swapper/312:08:333
2649091120,2phc2sys0-21swapper/310:55:223
2649091120,2phc2sys0-21swapper/309:19:383
2649091120,2phc2sys0-21swapper/307:46:113
2649091120,2phc2sys0-21swapper/307:40:203
2649091113,2phc2sys0-21swapper/312:36:353
2649091112,2phc2sys0-21swapper/312:30:413
2649091112,2phc2sys0-21swapper/310:00:063
2649091111,2phc2sys0-21swapper/307:50:133
2649091110,2phc2sys0-21swapper/311:35:023
2649091110,2phc2sys0-21swapper/310:39:273
2649091110,2phc2sys0-21swapper/308:20:073
2649091110,2phc2sys0-21swapper/308:15:103
2649091110,1phc2sys0-21swapper/307:24:523
2649091101,4phc2sys0-21swapper/310:45:073
2649091101,2phc2sys0-21swapper/310:31:093
2649091101,2phc2sys0-21swapper/310:24:003
2649091101,2phc2sys0-21swapper/308:55:133
2649091101,2phc2sys0-21swapper/307:15:113
2649091100,2phc2sys0-21swapper/312:18:033
2649091100,2phc2sys0-21swapper/311:15:583
2649091100,2phc2sys0-21swapper/309:40:583
2649091100,2phc2sys0-21swapper/307:30:173
2649091100,1phc2sys0-21swapper/309:00:383
2649091100,1phc2sys0-21swapper/308:51:003
2649091100,1phc2sys0-21swapper/307:57:263
264909190,4phc2sys0-21swapper/307:25:073
264909190,2phc2sys0-21swapper/311:30:333
264909190,2phc2sys0-21swapper/308:45:073
264909190,2phc2sys0-21swapper/308:44:553
264909190,2phc2sys0-21swapper/308:25:073
264909190,2phc2sys0-21swapper/308:00:113
264909190,2phc2sys0-21swapper/307:38:553
264909180,2phc2sys0-21swapper/308:35:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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