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2026-06-14 - 11:29
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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 rack1slot1.osadl.org (updated Sun Jun 14, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
44692219153,52sleep30-21swapper/319:08:443
43642218150,23sleep20-21swapper/219:07:222
44912199156,29sleep00-21swapper/019:09:000
44052198160,25sleep10-21swapper/119:07:531
44172680,0sleep10-21swapper/121:19:091
4655991815,1cyclictest28-21ksoftirqd/221:41:022
4655991313,0cyclictest28-21ksoftirqd/223:30:232
4655991312,1cyclictest28-21ksoftirqd/223:39:592
4655991212,0cyclictest28-21ksoftirqd/200:20:412
4655991211,1cyclictest28-21ksoftirqd/223:15:212
4655991211,1cyclictest28-21ksoftirqd/221:15:122
4655991211,1cyclictest28-21ksoftirqd/200:35:152
4655991210,1cyclictest28-21ksoftirqd/200:00:012
464599120,11cyclictest0-21swapper/119:15:111
466399119,1cyclictest29528-21diskmemload21:47:033
465599119,1cyclictest28-21ksoftirqd/221:45:152
465599117,4cyclictest19319-21kworker/2:220:40:202
4655991110,1cyclictest28-21ksoftirqd/222:55:122
4655991110,1cyclictest28-21ksoftirqd/221:10:222
4655991110,1cyclictest28-21ksoftirqd/200:33:212
4655991110,1cyclictest28-21ksoftirqd/200:04:132
463999119,1cyclictest9-21ksoftirqd/019:45:000
463999119,1cyclictest9-21ksoftirqd/000:20:000
465599109,1cyclictest28-21ksoftirqd/223:25:122
465599109,1cyclictest28-21ksoftirqd/223:20:132
465599109,1cyclictest28-21ksoftirqd/222:42:122
465599109,1cyclictest28-21ksoftirqd/221:30:182
465599109,1cyclictest28-21ksoftirqd/219:25:162
465599108,1cyclictest28-21ksoftirqd/219:40:192
465599108,1cyclictest28-21ksoftirqd/200:26:152
465599108,1cyclictest28-21ksoftirqd/200:19:592
4655991010,0cyclictest28-21ksoftirqd/223:41:122
463999109,1cyclictest9-21ksoftirqd/022:55:010
463999109,1cyclictest9-21ksoftirqd/022:15:000
463999101,4cyclictest28944-21perf20:00:000
23712100,0sleep00-21swapper/020:10:170
46559999,0cyclictest28-21ksoftirqd/221:58:302
46559998,1cyclictest28-21ksoftirqd/223:45:172
46559998,1cyclictest28-21ksoftirqd/223:05:462
46559998,1cyclictest28-21ksoftirqd/223:00:392
46559998,1cyclictest28-21ksoftirqd/222:50:152
46559998,1cyclictest28-21ksoftirqd/222:33:472
46559998,1cyclictest28-21ksoftirqd/222:00:122
46559998,1cyclictest28-21ksoftirqd/221:35:142
46559998,1cyclictest28-21ksoftirqd/221:25:452
46559998,1cyclictest28-21ksoftirqd/220:35:162
46559998,1cyclictest28-21ksoftirqd/220:25:212
46559998,1cyclictest28-21ksoftirqd/220:15:142
46559998,1cyclictest28-21ksoftirqd/200:10:222
46559998,1cyclictest271rcuc/219:50:192
46559997,1cyclictest28-21ksoftirqd/223:10:122
46559997,1cyclictest28-21ksoftirqd/222:45:182
46559997,1cyclictest28-21ksoftirqd/219:40:002
46559991,4cyclictest28-21ksoftirqd/222:20:142
46399998,1cyclictest9-21ksoftirqd/023:30:130
46399997,1cyclictest9-21ksoftirqd/022:35:000
46399992,5cyclictest20338-21apt-get21:40:110
46639986,1cyclictest1029-21snmpd22:30:163
46639986,1cyclictest1029-21snmpd21:11:503
46639986,1cyclictest1029-21snmpd19:32:413
46639986,1cyclictest1029-21snmpd00:28:523
46639984,2cyclictest240-21systemd-journal22:20:003
46639982,5cyclictest29528-21diskmemload23:38:413
46639982,3cyclictest29528-21diskmemload00:11:013
46639981,1cyclictest20316-21apt-get20:50:123
46639980,6cyclictest25014-21kworker/u8:123:24:563
46639980,3cyclictest12458-21cron21:30:013
46559988,0cyclictest28-21ksoftirqd/222:10:092
46559988,0cyclictest28-21ksoftirqd/221:05:192
46559987,1cyclictest28-21ksoftirqd/222:18:182
46559987,1cyclictest28-21ksoftirqd/221:50:162
46559986,1cyclictest28-21ksoftirqd/222:25:202
46559986,1cyclictest28-21ksoftirqd/222:05:072
46559986,1cyclictest28-21ksoftirqd/222:05:072
46559986,1cyclictest28-21ksoftirqd/221:04:592
46559986,1cyclictest28-21ksoftirqd/220:10:172
46559986,1cyclictest28-21ksoftirqd/219:30:112
46559986,1cyclictest28-21ksoftirqd/219:15:012
46559980,8cyclictest0-21swapper/220:30:192
46559980,5cyclictest19319-21kworker/2:220:45:172
46459987,1cyclictest21-21ksoftirqd/123:03:311
46459980,4cyclictest0-21swapper/121:30:111
46399988,0cyclictest9-21ksoftirqd/000:20:140
46399986,1cyclictest9-21ksoftirqd/021:20:130
46399986,1cyclictest9-21ksoftirqd/020:05:000
46399986,1cyclictest21192-21rm22:25:100
46399986,1cyclictest1029-21snmpd00:05:290
46399985,2cyclictest29946-21ssh21:10:020
46399982,4cyclictest4637-21cyclictest22:16:150
46399982,1cyclictest20226-21ssh22:23:030
46399981,6cyclictest27557-21ssh23:15:210
46399981,1cyclictest14407-21ssh23:42:010
46399980,7cyclictest11875-21ssh21:28:310
46399980,1cyclictest3436-21ssh21:16:370
46639977,0cyclictest35-21ksoftirqd/322:24:123
46639976,1cyclictest1029-21snmpd20:47:043
46639976,0cyclictest35-21ksoftirqd/320:07:283
46639975,1cyclictest35-21ksoftirqd/319:50:133
46639975,1cyclictest1029-21snmpd23:41:213
46639975,1cyclictest1029-21snmpd22:10:213
46639975,1cyclictest1029-21snmpd20:37:493
46639975,1cyclictest1029-21snmpd20:32:093
46639975,1cyclictest1029-21snmpd19:27:563
46639975,1cyclictest1029-21snmpd19:14:433
46639974,1cyclictest29528-21diskmemload22:38:083
46639974,1cyclictest240-21systemd-journal22:05:013
46639972,3cyclictest26761-21apt-get00:00:113
46639972,1cyclictest5932-21perf20:20:013
46639971,3cyclictest29528-21diskmemload21:52:063
46639971,2cyclictest29528-21diskmemload23:00:163
46639970,4cyclictest24642-21ssh23:12:173
46639970,4cyclictest0-21swapper/323:45:033
46639970,3cyclictest0-21swapper/322:09:163
46639970,3cyclictest0-21swapper/322:09:153
46639970,2cyclictest0-21swapper/319:40:103
46559977,0cyclictest28-21ksoftirqd/220:55:212
46559976,1cyclictest28-21ksoftirqd/223:50:012
46559976,1cyclictest28-21ksoftirqd/220:00:132
46559976,1cyclictest28-21ksoftirqd/219:20:152
46559976,1cyclictest28-21ksoftirqd/219:15:002
46559975,1cyclictest61650irq/122-eno121:20:162
46559975,1cyclictest28-21ksoftirqd/222:35:212
46559975,1cyclictest28-21ksoftirqd/220:20:132
46559975,1cyclictest28-21ksoftirqd/200:05:092
46459976,1cyclictest15526-21chrt00:28:291
46459971,5cyclictest2565-21taskset22:42:041
46459971,3cyclictest0-21swapper/123:44:591
46459971,1cyclictest0-21swapper/123:18:281
46459970,6cyclictest0-21swapper/120:25:151
46459970,4cyclictest0-21swapper/122:37:291
46459970,4cyclictest0-21swapper/100:35:211
46459970,1cyclictest0-21swapper/121:48:541
46399977,0cyclictest9-21ksoftirqd/023:20:130
46399976,1cyclictest9-21ksoftirqd/021:00:000
46399976,1cyclictest9-21ksoftirqd/019:15:010
46399976,1cyclictest7338-21ntpq20:20:180
46399975,1cyclictest9-21ksoftirqd/020:20:010
46399975,1cyclictest1029-21snmpd20:09:050
46399975,1cyclictest1029-21snmpd19:50:520
46399975,1cyclictest1029-21snmpd19:39:050
46399975,1cyclictest1029-21snmpd00:14:130
46399973,3cyclictest29528-21diskmemload23:27:180
46399973,2cyclictest240-21systemd-journal20:39:590
46399972,1cyclictest19058-21sh23:05:130
46399971,5cyclictest29528-21diskmemload21:45:110
46399970,7cyclictest2125-21ssh21:58:560
46399970,6cyclictest4007-21ntp_states22:00:180
46399970,6cyclictest29528-21diskmemload00:25:110
46399970,6cyclictest28868-21sed21:05:200
46399970,6cyclictest23597-21ssh23:55:150
46399970,6cyclictest22374-21grep19:45:140
46399970,6cyclictest22286-21ssh23:53:350
46399970,6cyclictest16336-21apt-get00:30:090
46399970,6cyclictest16053-21/usr/sbin/munin19:30:160
46399970,6cyclictest12762-21aten_r1power_vo19:25:120
46399970,6cyclictest11750-21tune2fs22:55:130
46399970,6cyclictest0-21swapper/023:10:100
46399970,6cyclictest0-21swapper/022:45:270
46399970,1cyclictest548-21systemd-logind20:45:180
46399970,1cyclictest31991-21ssh22:39:430
46399970,1cyclictest28154-21ssh21:50:150
46399970,1cyclictest19980-21ssh21:39:520
46399970,1cyclictest16273-21ssh21:34:530
46399970,1cyclictest11006-21ssh23:37:520
46399970,1cyclictest0-21swapper/021:00:180
46399970,1cyclictest0-21swapper/000:00:110
46639966,0cyclictest29528-21diskmemload21:56:393
46639965,1cyclictest8709-21ntpq22:50:193
46639965,1cyclictest6832-21ssh23:31:243
46639965,1cyclictest6376-21ssh22:47:293
46639965,1cyclictest3669-21ssh21:17:143
46639965,1cyclictest35-21ksoftirqd/319:25:003
46639965,1cyclictest28591-21ssh23:18:043
46639965,1cyclictest22357-21ssh00:36:253
46639965,1cyclictest14757-21ssh21:31:013
46639965,1cyclictest1029-21snmpd20:29:443
46639964,1cyclictest35-21ksoftirqd/320:41:523
46639964,1cyclictest29528-21diskmemload00:17:043
46639964,1cyclictest23345-21ssh21:43:573
46639964,1cyclictest21157-21ssh22:25:063
46639964,1cyclictest11990-21sed22:55:123
46639964,1cyclictest1029-21snmpd23:50:453
46639964,1cyclictest1029-21snmpd20:14:203
46639964,1cyclictest1029-21snmpd20:03:513
46639962,2cyclictest16678-21aten_r1power_en21:35:103
46639962,1cyclictest29528-21diskmemload00:20:133
46639961,3cyclictest29528-21diskmemload23:25:193
46639960,4cyclictest0-21swapper/323:59:323
46639960,3cyclictest0-21swapper/300:32:593
46639960,2cyclictest0-21swapper/322:40:103
46639960,2cyclictest0-21swapper/321:21:103
46639960,1cyclictest29528-21diskmemload23:06:023
46639960,0cyclictest0-21swapper/321:00:143
46559966,0cyclictest61650irq/122-eno120:50:152
46559966,0cyclictest61650irq/122-eno119:55:132
46559964,1cyclictest28-21ksoftirqd/219:45:142
46559964,1cyclictest19319-21kworker/2:220:05:122
46459960,6cyclictest0-21swapper/123:32:411
46459960,6cyclictest0-21swapper/123:20:021
46459960,6cyclictest0-21swapper/123:13:351
46459960,6cyclictest0-21swapper/122:27:551
46459960,6cyclictest0-21swapper/122:08:511
46459960,6cyclictest0-21swapper/122:08:511
46459960,6cyclictest0-21swapper/120:35:371
46459960,6cyclictest0-21swapper/120:05:161
46459960,6cyclictest0-21swapper/119:35:591
46459960,6cyclictest0-21swapper/100:02:181
46459960,4cyclictest0-21swapper/123:45:491
46459960,3cyclictest0-21swapper/122:20:011
46459960,3cyclictest0-21swapper/121:21:331
46459960,3cyclictest0-21swapper/120:15:161
46459960,3cyclictest0-21swapper/100:17:311
46459960,2cyclictest0-21swapper/100:31:241
46459960,2cyclictest0-21swapper/100:20:341
46459960,2cyclictest0-21swapper/100:10:371
46459960,1cyclictest0-21swapper/121:12:191
46459960,1cyclictest0-21swapper/120:21:271
46399965,1cyclictest16724-21ssh23:00:320
46399965,1cyclictest16500-21cat20:40:160
46399960,6cyclictest0-21swapper/023:45:240
46399960,6cyclictest0-21swapper/000:35:110
46399960,1cyclictest693-21runrttasks19:20:130
46399960,1cyclictest32459-21apt-key22:40:000
46399960,0cyclictest0-21swapper/022:05:110
46399960,0cyclictest0-21swapper/022:05:110
46399960,0cyclictest0-21swapper/020:50:200
46399960,0cyclictest0-21swapper/019:13:360
46639954,1cyclictest35-21ksoftirqd/320:21:403
46639954,1cyclictest1029-21snmpd20:55:033
46639954,1cyclictest1029-21snmpd19:39:493
46639953,1cyclictest1029-21snmpd19:15:583
46639951,4cyclictest24194-21munin-run19:50:003
46639951,1cyclictest27914-21diskstats21:05:153
46639950,1cyclictest0-21swapper/300:05:113
46459955,0cyclictest0-21swapper/122:46:481
46459955,0cyclictest0-21swapper/120:53:401
46459951,3cyclictest0-21swapper/122:50:191
46459950,5cyclictest0-21swapper/123:05:491
46459950,5cyclictest0-21swapper/121:53:201
46459950,5cyclictest0-21swapper/121:40:011
46459950,5cyclictest0-21swapper/121:37:481
46459950,5cyclictest0-21swapper/121:25:051
46459950,5cyclictest0-21swapper/120:11:221
46459950,5cyclictest0-21swapper/119:33:061
46459950,5cyclictest0-21swapper/100:05:171
46459950,4cyclictest0-21swapper/123:52:251
46459950,4cyclictest0-21swapper/122:13:281
46459950,4cyclictest0-21swapper/121:09:351
46459950,4cyclictest0-21swapper/119:55:001
46459950,4cyclictest0-21swapper/119:10:161
46459950,3cyclictest0-21swapper/122:55:121
46459950,3cyclictest0-21swapper/122:34:001
46459950,3cyclictest0-21swapper/122:20:321
46459950,2cyclictest0-21swapper/123:55:201
46459950,2cyclictest0-21swapper/123:37:591
46459950,2cyclictest0-21swapper/123:25:151
46459950,2cyclictest0-21swapper/120:40:121
46459950,2cyclictest0-21swapper/120:30:111
46399953,1cyclictest11627-21tail20:30:140
46399950,0cyclictest0-21swapper/020:29:080
46639943,1cyclictest27116-21expr19:55:123
46459944,0cyclictest0-21swapper/119:23:041
46459941,2cyclictest0-21swapper/119:50:001
46459940,4cyclictest0-21swapper/121:02:421
46459940,4cyclictest0-21swapper/119:29:101
46459940,2cyclictest0-21swapper/122:00:121
46459940,2cyclictest0-21swapper/121:55:011
46459940,2cyclictest0-21swapper/119:40:131
46459940,1cyclictest0-21swapper/120:00:101
46459940,1cyclictest0-21swapper/119:55:121
46459930,3cyclictest0-21swapper/120:55:021
46459930,1cyclictest0-21swapper/120:45:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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