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2026-01-09 - 21:06
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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 792 highest latencies:
System rack1slot1.osadl.org (updated Fri Jan 09, 2026 12:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
159762243158,25sleep30-21swapper/307:07:593
159782213148,21sleep00-21swapper/007:07:590
157892207153,40sleep20-21swapper/207:05:322
158872198159,25sleep10-21swapper/107:06:481
60062180,0sleep10-21swapper/110:10:141
1620799170,16cyclictest0-21swapper/012:10:200
16232991311,1cyclictest35-21ksoftirqd/311:40:003
1620799133,5cyclictest27993-21perf09:50:000
16207991312,1cyclictest9-21ksoftirqd/010:40:000
16207991311,1cyclictest9-21ksoftirqd/012:00:000
16225991211,1cyclictest28-21ksoftirqd/207:35:002
1622599120,12cyclictest0-21swapper/211:30:202
16207991211,1cyclictest9-21ksoftirqd/008:10:350
16207991210,1cyclictest9-21ksoftirqd/011:45:100
16207991210,1cyclictest9-21ksoftirqd/010:20:000
1623299119,1cyclictest35-21ksoftirqd/307:20:003
1623299119,1cyclictest35-21ksoftirqd/307:20:003
16232991110,1cyclictest35-21ksoftirqd/307:15:003
1622599119,1cyclictest28-21ksoftirqd/210:35:012
1622599118,1cyclictest28-21ksoftirqd/207:30:012
16225991110,1cyclictest28-21ksoftirqd/209:55:002
16225991110,1cyclictest28-21ksoftirqd/209:40:002
16225991110,1cyclictest28-21ksoftirqd/207:59:592
1622599110,11cyclictest0-21swapper/208:25:202
1620799112,4cyclictest24595-21perf08:35:010
16207991110,1cyclictest9-21ksoftirqd/011:15:130
1623299109,1cyclictest35-21ksoftirqd/311:25:013
1623299108,1cyclictest35-21ksoftirqd/308:55:003
1623299102,7cyclictest31261-21kworker/3:207:40:003
1622599109,1cyclictest28-21ksoftirqd/210:05:002
1622599108,1cyclictest28-21ksoftirqd/209:25:152
1622599106,2cyclictest61650irq/122-eno112:20:112
1620799108,1cyclictest9-21ksoftirqd/011:40:190
1620799108,1cyclictest9-21ksoftirqd/010:55:000
1620799108,1cyclictest9-21ksoftirqd/010:45:190
1620799108,1cyclictest9-21ksoftirqd/010:10:000
1620799108,1cyclictest9-21ksoftirqd/008:00:130
1620799101,4cyclictest21647-21cat07:20:000
1620799101,4cyclictest21647-21cat07:20:000
1620799100,9cyclictest13106-21apt-get11:35:100
162329998,1cyclictest35-21ksoftirqd/309:50:003
162329997,1cyclictest35-21ksoftirqd/311:40:433
162329997,1cyclictest35-21ksoftirqd/308:09:433
162329991,4cyclictest17729-21apt-get08:20:113
162259999,0cyclictest28-21ksoftirqd/210:15:002
162259998,1cyclictest28-21ksoftirqd/212:35:002
162259998,1cyclictest28-21ksoftirqd/211:45:002
162259998,1cyclictest28-21ksoftirqd/209:50:002
162259998,1cyclictest28-21ksoftirqd/207:20:012
162259998,1cyclictest28-21ksoftirqd/207:20:012
162259992,4cyclictest20397-21apt-get11:50:102
162079998,1cyclictest9-21ksoftirqd/012:00:130
162079998,1cyclictest9-21ksoftirqd/009:15:000
162079997,1cyclictest9-21ksoftirqd/011:50:120
162079997,1cyclictest9-21ksoftirqd/010:30:140
162079997,1cyclictest9-21ksoftirqd/009:40:200
162079997,1cyclictest9-21ksoftirqd/008:45:120
162079997,1cyclictest9-21ksoftirqd/008:35:100
162079995,3cyclictest9-21ksoftirqd/008:20:140
162329986,1cyclictest707-21snmpd12:05:323
162329986,1cyclictest707-21snmpd10:48:353
162329986,1cyclictest707-21snmpd09:54:513
162329986,1cyclictest707-21snmpd09:41:063
162329986,1cyclictest707-21snmpd08:10:343
162329986,1cyclictest35-21ksoftirqd/311:55:433
162329986,1cyclictest35-21ksoftirqd/310:40:003
162329986,1cyclictest35-21ksoftirqd/308:45:003
162259987,1cyclictest28-21ksoftirqd/211:10:002
162259986,1cyclictest707-21snmpd08:14:222
162259986,1cyclictest28-21ksoftirqd/210:20:122
162259984,3cyclictest32707-21fschecks_time08:50:122
162259984,2cyclictest548-21systemd-logind12:12:082
162259984,1cyclictest548-21systemd-logind07:12:082
162259983,3cyclictest548-21systemd-logind07:54:082
162259980,6cyclictest25487-21cstates12:00:122
162259980,5cyclictest0-21swapper/210:25:182
162189981,6cyclictest203-21jbd2/sda2-807:45:101
162079988,0cyclictest30303-21sensors07:35:190
162079987,1cyclictest9-21ksoftirqd/012:30:010
162079987,1cyclictest9-21ksoftirqd/011:10:120
162079987,1cyclictest9-21ksoftirqd/010:25:190
162079987,1cyclictest9-21ksoftirqd/010:00:120
162079987,1cyclictest9-21ksoftirqd/009:50:200
162079987,1cyclictest9-21ksoftirqd/009:30:160
162079987,1cyclictest9-21ksoftirqd/008:10:000
162079987,1cyclictest9-21ksoftirqd/007:50:120
162079987,1cyclictest9-21ksoftirqd/007:25:200
162079987,1cyclictest19512-21kworker/0:207:40:110
162079986,1cyclictest9-21ksoftirqd/009:35:170
162079986,1cyclictest707-21snmpd12:19:020
162079986,1cyclictest707-21snmpd12:19:010
162079986,1cyclictest707-21snmpd11:21:060
162079986,1cyclictest707-21snmpd08:58:020
162079983,2cyclictest10469-21entropy10:20:130
162079980,7cyclictest0-21swapper/009:05:110
162079980,5cyclictest0-21swapper/011:25:110
162329976,1cyclictest35-21ksoftirqd/309:40:003
162329976,1cyclictest35-21ksoftirqd/309:20:123
162329976,1cyclictest35-21ksoftirqd/308:40:003
162329976,1cyclictest35-21ksoftirqd/308:33:423
162329975,1cyclictest707-21snmpd12:39:213
162329975,1cyclictest707-21snmpd11:53:223
162329975,1cyclictest707-21snmpd11:16:363
162329975,1cyclictest707-21snmpd10:56:113
162329975,1cyclictest707-21snmpd10:43:443
162329975,1cyclictest707-21snmpd10:16:013
162329975,1cyclictest707-21snmpd09:26:153
162329975,1cyclictest707-21snmpd08:45:413
162329975,1cyclictest707-21snmpd07:37:273
162329975,1cyclictest6357-21ntpq10:10:173
162329975,1cyclictest4438-21cat07:50:143
162329975,1cyclictest35-21ksoftirqd/310:50:123
162329973,3cyclictest0-21swapper/311:05:163
162329972,2cyclictest8288-21apt-get08:00:103
162259976,1cyclictest707-21snmpd09:00:202
162259976,1cyclictest28-21ksoftirqd/212:25:012
162259976,1cyclictest28-21ksoftirqd/210:00:002
162259976,1cyclictest28-21ksoftirqd/209:19:592
162259975,1cyclictest61650irq/122-eno111:55:172
162259975,1cyclictest61650irq/122-eno111:50:002
162259975,1cyclictest28-21ksoftirqd/207:45:132
162259974,2cyclictest4112-21cron09:00:002
162259974,1cyclictest548-21systemd-logind08:24:082
162259974,1cyclictest240-21systemd-journal07:24:082
162259973,2cyclictest240-21systemd-journal08:40:002
162259972,1cyclictest294-21systemd-udevd09:42:082
162259970,7cyclictest0-21swapper/209:10:202
162259970,6cyclictest0-21swapper/211:25:212
162259970,6cyclictest0-21swapper/208:00:192
162259970,1cyclictest0-21swapper/211:15:112
162189970,3cyclictest0-21swapper/108:35:011
162079976,1cyclictest9-21ksoftirqd/012:40:000
162079976,1cyclictest9-21ksoftirqd/012:20:110
162079976,1cyclictest9-21ksoftirqd/008:50:100
162079976,1cyclictest9-21ksoftirqd/008:25:130
162079976,1cyclictest9-21ksoftirqd/007:10:130
162079975,2cyclictest9-21ksoftirqd/007:55:220
162079975,1cyclictest9-21ksoftirqd/010:55:190
162079975,1cyclictest9-21ksoftirqd/010:10:110
162079975,1cyclictest707-21snmpd11:08:480
162079975,1cyclictest707-21snmpd09:15:190
162079975,1cyclictest0-21swapper/009:25:190
162079973,2cyclictest548-21systemd-logind07:30:180
162079973,2cyclictest240-21systemd-journal10:45:000
162079972,5cyclictest9-21ksoftirqd/008:15:150
162079970,6cyclictest12484-21users11:30:200
162079970,4cyclictest0-21swapper/007:20:100
162079970,1cyclictest4378-21apt09:00:100
162079970,1cyclictest0-21swapper/012:05:150
162329966,0cyclictest35-21ksoftirqd/312:15:173
162329966,0cyclictest35-21ksoftirqd/312:15:173
162329966,0cyclictest35-21ksoftirqd/307:30:143
162329966,0cyclictest35-21ksoftirqd/307:25:153
162329965,1cyclictest7925-21cat12:30:163
162329965,1cyclictest35-21ksoftirqd/308:25:133
162329965,1cyclictest35-21ksoftirqd/307:55:143
162329965,1cyclictest29922-21cat11:00:153
162329965,1cyclictest2558-21systemctl07:45:183
162329964,1cyclictest35-21ksoftirqd/309:35:013
162329964,1cyclictest3431-21cron11:15:003
162329963,1cyclictest548-21systemd-logind10:27:083
162329963,1cyclictest548-21systemd-logind10:22:083
162329963,1cyclictest548-21systemd-logind09:14:083
162329963,1cyclictest548-21systemd-logind07:22:083
162329963,1cyclictest240-21systemd-journal12:25:013
162329963,1cyclictest240-21systemd-journal12:12:083
162329963,1cyclictest240-21systemd-journal09:07:583
162329962,2cyclictest548-21systemd-logind12:22:083
162329962,2cyclictest548-21systemd-logind09:19:083
162329961,4cyclictest2007-21apt-get08:55:113
162329961,3cyclictest2876-21apt-get10:05:103
162329960,2cyclictest0-21swapper/311:25:133
162329960,1cyclictest482-21apt-get10:00:093
162259966,0cyclictest61650irq/122-eno112:35:112
162259966,0cyclictest61650irq/122-eno112:05:082
162259966,0cyclictest61650irq/122-eno110:40:052
162259966,0cyclictest61650irq/122-eno110:15:182
162259966,0cyclictest61650irq/122-eno109:21:472
162259966,0cyclictest61650irq/122-eno107:40:192
162259966,0cyclictest28-21ksoftirqd/209:30:212
162259965,1cyclictest61650irq/122-eno110:54:552
162259965,1cyclictest61650irq/122-eno110:45:152
162259965,1cyclictest61650irq/122-eno108:45:152
162259965,1cyclictest61650irq/122-eno108:05:552
162259965,1cyclictest28-21ksoftirqd/211:00:192
162259965,1cyclictest28-21ksoftirqd/209:05:122
162259965,1cyclictest28-21ksoftirqd/208:15:132
162259964,1cyclictest61650irq/122-eno108:30:132
162259964,1cyclictest61650irq/122-eno107:35:122
162259964,1cyclictest28-21ksoftirqd/211:10:212
162259963,1cyclictest294-21systemd-udevd11:36:072
162259963,1cyclictest240-21systemd-journal08:40:002
162259960,6cyclictest0-21swapper/212:15:202
162259960,6cyclictest0-21swapper/212:15:202
162259960,5cyclictest0-21swapper/210:05:222
162259960,0cyclictest0-21swapper/211:20:112
162189965,1cyclictest0-21swapper/108:10:131
162189964,1cyclictest0-21swapper/111:30:201
162189963,3cyclictest0-21swapper/110:02:261
162189960,6cyclictest0-21swapper/112:23:351
162189960,6cyclictest0-21swapper/110:42:171
162189960,6cyclictest0-21swapper/109:13:021
162189960,6cyclictest0-21swapper/108:55:151
162189960,6cyclictest0-21swapper/108:52:171
162189960,6cyclictest0-21swapper/108:18:461
162189960,6cyclictest0-21swapper/107:28:571
162189960,5cyclictest0-21swapper/108:02:461
162079966,0cyclictest9-21ksoftirqd/009:55:180
162079965,1cyclictest9-21ksoftirqd/011:00:200
162079961,1cyclictest27362-21/usr/sbin/munin08:40:150
162079960,6cyclictest19512-21kworker/0:207:45:110
162079960,6cyclictest0-21swapper/012:31:420
162079960,6cyclictest0-21swapper/009:20:170
162329954,1cyclictest35-21ksoftirqd/311:30:143
162329952,1cyclictest294-21systemd-udevd11:48:083
162329952,1cyclictest294-21systemd-udevd10:30:083
162329952,1cyclictest294-21systemd-udevd09:00:083
162329952,1cyclictest240-21systemd-journal08:19:483
162329951,2cyclictest240-21systemd-journal09:55:583
162259955,0cyclictest61650irq/122-eno110:35:142
162259954,1cyclictest28-21ksoftirqd/210:55:142
162189955,0cyclictest0-21swapper/110:15:041
162189952,2cyclictest0-21swapper/108:05:171
162189951,4cyclictest0-21swapper/110:33:341
162189951,2cyclictest0-21swapper/109:35:151
162189950,5cyclictest0-21swapper/112:08:471
162189950,5cyclictest0-21swapper/112:00:061
162189950,5cyclictest0-21swapper/111:45:151
162189950,5cyclictest0-21swapper/111:28:241
162189950,5cyclictest0-21swapper/111:19:271
162189950,5cyclictest0-21swapper/111:10:061
162189950,5cyclictest0-21swapper/110:35:171
162189950,5cyclictest0-21swapper/109:40:191
162189950,5cyclictest0-21swapper/109:30:161
162189950,5cyclictest0-21swapper/109:06:541
162189950,5cyclictest0-21swapper/107:44:411
162189950,5cyclictest0-21swapper/107:35:471
162189950,5cyclictest0-21swapper/107:11:051
162189950,4cyclictest0-21swapper/112:30:011
162189950,4cyclictest0-21swapper/108:35:121
162189950,1cyclictest0-21swapper/108:47:191
162189950,0cyclictest0-21swapper/111:43:441
162189950,0cyclictest0-21swapper/111:03:471
162189950,0cyclictest0-21swapper/109:55:511
162329941,1cyclictest240-21systemd-journal12:00:003
162189944,0cyclictest0-21swapper/112:36:581
162189944,0cyclictest0-21swapper/110:55:091
162189944,0cyclictest0-21swapper/109:25:201
162189944,0cyclictest0-21swapper/109:19:321
162189943,1cyclictest29821-21chrt12:10:051
162189942,1cyclictest198112sleep108:24:421
162189942,1cyclictest0-21swapper/109:45:131
162189941,2cyclictest0-21swapper/111:05:001
162189940,4cyclictest0-21swapper/107:16:571
162189940,4cyclictest0-21swapper/107:16:571
162189940,3cyclictest0-21swapper/110:05:331
162189940,3cyclictest0-21swapper/107:55:141
162189940,3cyclictest0-21swapper/107:51:451
162189940,2cyclictest0-21swapper/112:30:171
162189940,2cyclictest0-21swapper/111:50:111
162189940,2cyclictest0-21swapper/110:25:141
162189940,1cyclictest0-21swapper/110:45:181
162189940,0cyclictest0-21swapper/111:37:441
162189940,0cyclictest0-21swapper/111:22:421
162189940,0cyclictest0-21swapper/110:20:181
162189940,0cyclictest0-21swapper/109:20:181
26896230,1sleep10-21swapper/108:40:001
162189931,1cyclictest0-21swapper/109:50:101
162189931,1cyclictest0-21swapper/109:00:101
162189931,0cyclictest0-21swapper/111:55:121
162189930,3cyclictest0-21swapper/107:30:101
162189930,2cyclictest0-21swapper/112:15:131
162189930,2cyclictest0-21swapper/112:15:131
162189930,2cyclictest0-21swapper/110:50:151
162189930,2cyclictest0-21swapper/107:20:121
162189930,0cyclictest0-21swapper/108:27:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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