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2026-03-14 - 15:04
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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 rack1slot1.osadl.org (updated Sat Mar 14, 2026 12:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
221772215150,21sleep00-21swapper/007:08:170
220932201162,26sleep30-21swapper/307:07:113
220672200161,26sleep20-21swapper/207:06:502
219992199161,25sleep10-21swapper/107:05:561
325752640,0sleep10-21swapper/107:30:001
157442610,0sleep20-21swapper/209:50:102
188062600,0sleep30-21swapper/309:13:183
185472590,0sleep10-21swapper/109:12:441
2239399150,13cyclictest0-21swapper/109:50:191
241472140,0sleep30-21swapper/308:20:003
2238399130,9cyclictest240-21systemd-journal09:28:580
2240199120,11cyclictest30019-21/usr/sbin/munin10:50:182
2238399118,1cyclictest9-21ksoftirqd/008:20:000
22383991110,1cyclictest9-21ksoftirqd/011:55:000
22383991110,1cyclictest9-21ksoftirqd/008:35:000
2240199108,1cyclictest28-21ksoftirqd/208:35:002
2240199100,8cyclictest24751-21munin-node07:34:272
2238399108,1cyclictest9-21ksoftirqd/007:15:010
224109999,0cyclictest35-21ksoftirqd/310:57:423
224109998,1cyclictest35-21ksoftirqd/307:41:193
224109997,1cyclictest35-21ksoftirqd/308:50:013
224109992,6cyclictest15457-21diskmemload10:09:293
223839998,1cyclictest9-21ksoftirqd/009:10:000
223839997,1cyclictest9-21ksoftirqd/010:10:000
223839992,6cyclictest12407-21fschecks_count09:45:130
223839992,3cyclictest9746-21date07:50:000
223839990,6cyclictest15457-21diskmemload11:35:110
223839990,3cyclictest0-21swapper/008:25:120
224109987,1cyclictest35-21ksoftirqd/310:25:013
224109987,1cyclictest35-21ksoftirqd/307:40:003
224109986,1cyclictest707-21snmpd12:39:183
224109986,1cyclictest707-21snmpd11:35:193
224109986,1cyclictest707-21snmpd11:32:313
224109986,1cyclictest707-21snmpd11:00:573
224109986,1cyclictest707-21snmpd10:39:453
224109986,1cyclictest707-21snmpd09:01:203
224109986,1cyclictest707-21snmpd08:06:583
224109986,1cyclictest707-21snmpd07:22:513
224109985,2cyclictest707-21snmpd07:29:273
224109982,4cyclictest0-21swapper/312:05:183
224109981,3cyclictest35-21ksoftirqd/312:32:523
224109981,3cyclictest15457-21diskmemload11:40:423
224109980,5cyclictest0-21swapper/309:36:463
224109980,3cyclictest24026-21ssh09:20:113
224019986,1cyclictest707-21snmpd12:34:572
224019986,1cyclictest707-21snmpd09:57:222
224019986,1cyclictest61650irq/122-eno112:20:132
224019986,1cyclictest28-21ksoftirqd/212:05:002
224019982,5cyclictest15457-21diskmemload09:20:112
224019982,1cyclictest15457-21diskmemload12:20:012
224019980,5cyclictest15682-21diskmemload11:12:202
224019980,1cyclictest0-21swapper/211:27:462
223839988,0cyclictest9-21ksoftirqd/011:30:120
223839988,0cyclictest9-21ksoftirqd/011:25:000
223839987,1cyclictest31248-21ssh12:15:080
223839986,1cyclictest707-21snmpd08:49:410
223839986,1cyclictest22837-21sh12:03:590
223839986,1cyclictest19447-21ssh09:14:470
223839984,3cyclictest9-21ksoftirqd/008:05:140
223839984,3cyclictest561-21nscd11:45:150
223839983,4cyclictest4188-21kworker/u8:211:41:320
223839983,3cyclictest15457-21grep08:00:130
223839983,1cyclictest27402-21/usr/sbin/munin12:10:140
223839981,6cyclictest25769-21telnet07:15:130
223839981,6cyclictest13702-21sort11:10:130
223839980,7cyclictest0-21swapper/012:20:120
223839980,4cyclictest15457-21diskmemload10:14:560
223839980,4cyclictest1315-21latency_hist08:40:000
21670280,0sleep00-21swapper/010:39:470
25319270,1sleep10-21swapper/110:44:091
224109975,1cyclictest707-21snmpd12:28:333
224109975,1cyclictest707-21snmpd12:15:303
224109975,1cyclictest707-21snmpd11:22:373
224109975,1cyclictest707-21snmpd10:43:003
224109975,1cyclictest707-21snmpd08:14:253
224109975,1cyclictest707-21snmpd08:00:053
224109975,1cyclictest707-21snmpd07:58:133
224109975,1cyclictest707-21snmpd07:45:303
224109975,1cyclictest707-21snmpd07:13:113
224109975,1cyclictest35-21ksoftirqd/308:25:013
224109975,1cyclictest22007-21ssh12:01:483
224109973,2cyclictest15457-21diskmemload09:31:403
224109972,3cyclictest8592-21apt-get08:55:113
224109972,2cyclictest22474-21taskset09:58:103
224109971,3cyclictest15457-21diskmemload11:16:423
224109970,6cyclictest18015-21ssh11:56:373
224019976,1cyclictest61650irq/122-eno111:20:302
224019976,1cyclictest61650irq/122-eno111:04:452
224019976,1cyclictest61650irq/122-eno110:46:162
224019976,1cyclictest61650irq/122-eno110:29:292
224019976,1cyclictest61650irq/122-eno110:05:102
224019976,1cyclictest61650irq/122-eno109:45:192
224019976,1cyclictest61650irq/122-eno109:39:592
224019976,1cyclictest61650irq/122-eno109:28:312
224019976,1cyclictest28-21ksoftirqd/209:00:102
224019976,0cyclictest61650irq/122-eno111:45:192
224019975,1cyclictest707-21snmpd08:51:292
224019975,1cyclictest707-21snmpd08:11:472
224019975,1cyclictest61650irq/122-eno112:35:152
224019975,1cyclictest61650irq/122-eno111:55:172
224019975,1cyclictest61650irq/122-eno110:30:142
224019975,1cyclictest61650irq/122-eno109:15:202
224019975,1cyclictest61650irq/122-eno108:35:122
224019975,1cyclictest61650irq/122-eno107:45:172
224019975,1cyclictest2572-21ssh11:36:382
224019973,1cyclictest240-21systemd-journal11:35:002
224019970,1cyclictest0-21swapper/210:00:222
224019970,1cyclictest0-21swapper/209:13:322
224019970,0cyclictest0-21swapper/210:16:112
223939971,6cyclictest0-21swapper/111:57:171
223939970,4cyclictest0-21swapper/109:15:131
223939970,2cyclictest0-21swapper/109:25:101
223939970,1cyclictest0-21swapper/111:20:161
223939970,0cyclictest0-21swapper/109:35:131
223839976,1cyclictest9081-1kworker/u9:112:31:160
223839976,1cyclictest9-21ksoftirqd/009:50:130
223839976,1cyclictest6796-21timerwakeupswit07:40:210
223839976,1cyclictest4643-1kworker/u9:111:05:510
223839976,1cyclictest18078-21ssh11:56:490
223839975,1cyclictest707-21snmpd10:34:270
223839975,1cyclictest571-21nscd09:19:110
223839975,1cyclictest10727-21munin-run09:00:000
223839973,3cyclictest15457-21diskmemload12:35:270
223839971,1cyclictest22898-21ssh10:40:130
223839971,1cyclictest0-21swapper/008:14:160
223839970,6cyclictest32198-21ssh10:51:210
223839970,6cyclictest24128-21gpgv08:20:000
223839970,6cyclictest16932-21ssh11:15:020
223839970,6cyclictest1198-21awk09:30:170
223839970,6cyclictest0-21swapper/009:40:160
223839970,6cyclictest0-21swapper/009:20:420
223839970,1cyclictest8569-21ssh10:20:510
223839970,1cyclictest7544-21ssh11:01:180
223839970,1cyclictest6604-21/usr/sbin/munin12:25:140
223839970,1cyclictest6110-21ssh10:19:360
223839970,1cyclictest29419-21ssh10:49:460
223839970,1cyclictest26017-21ssh10:02:150
223839970,1cyclictest21548-21ssh09:55:460
223839970,1cyclictest0-21swapper/011:25:160
223839970,1cyclictest0-21swapper/010:55:190
223839970,1cyclictest0-21swapper/007:36:570
224109965,1cyclictest8160-21ssh09:40:123
224109965,1cyclictest707-21snmpd08:25:203
224109965,1cyclictest5308-21ssh10:17:303
224109965,1cyclictest30569-21ssh09:26:223
224109965,1cyclictest29972-21ssh10:50:043
224109965,1cyclictest26302-21ssh10:03:003
224109965,1cyclictest16627-21cat09:50:143
224109965,1cyclictest1575-21ssh10:12:513
224109965,1cyclictest14915-21ssh09:48:413
224109965,1cyclictest14024-21cat11:10:143
224109965,1cyclictest12787-21cat11:50:153
224109964,1cyclictest8268-21cpuspeed_turbos11:45:113
224109964,1cyclictest707-21snmpd07:18:373
224109964,1cyclictest15457-21diskmemload09:15:163
224109964,1cyclictest13540-21ssh10:28:453
224109962,3cyclictest2743-21apt-get12:20:123
224109962,2cyclictest15457-21diskmemload10:47:493
224109961,3cyclictest0-21swapper/311:05:133
224109960,2cyclictest0-21swapper/312:11:283
224019966,0cyclictest61650irq/122-eno112:10:452
224019966,0cyclictest61650irq/122-eno112:05:152
224019966,0cyclictest61650irq/122-eno111:50:102
224019966,0cyclictest61650irq/122-eno110:41:042
224019966,0cyclictest61650irq/122-eno110:35:122
224019966,0cyclictest61650irq/122-eno110:20:202
224019966,0cyclictest61650irq/122-eno110:10:292
224019966,0cyclictest61650irq/122-eno109:05:162
224019966,0cyclictest61650irq/122-eno108:25:182
224019966,0cyclictest61650irq/122-eno108:20:112
224019966,0cyclictest61650irq/122-eno108:15:262
224019966,0cyclictest61650irq/122-eno108:05:132
224019966,0cyclictest61650irq/122-eno108:00:312
224019966,0cyclictest61650irq/122-eno107:55:552
224019965,1cyclictest61650irq/122-eno110:56:572
224019965,1cyclictest61650irq/122-eno109:40:112
224019965,1cyclictest61650irq/122-eno108:40:122
224019965,1cyclictest61650irq/122-eno107:15:212
224019965,1cyclictest23763-21ntpq07:10:172
224019964,1cyclictest693-21runrttasks08:45:122
224019964,1cyclictest61650irq/122-eno111:15:112
224019964,1cyclictest61650irq/122-eno109:30:162
224019964,1cyclictest29151-21ntpq07:20:172
224019964,1cyclictest0-21swapper/212:25:152
224019960,5cyclictest0-21swapper/211:40:112
224019960,5cyclictest0-21swapper/211:05:132
224019960,2cyclictest31278-21interrupts07:25:162
224019960,1cyclictest0-21swapper/207:37:302
223939961,5cyclictest0-21swapper/109:32:561
223939960,6cyclictest0-21swapper/112:11:481
223939960,6cyclictest0-21swapper/112:03:411
223939960,6cyclictest0-21swapper/108:51:531
223939960,6cyclictest0-21swapper/108:20:521
223939960,6cyclictest0-21swapper/108:12:251
223939960,6cyclictest0-21swapper/108:03:161
223939960,6cyclictest0-21swapper/107:33:151
223939960,6cyclictest0-21swapper/107:15:181
223939960,5cyclictest0-21swapper/111:28:071
223939960,5cyclictest0-21swapper/111:05:401
223939960,5cyclictest0-21swapper/110:36:131
223939960,4cyclictest0-21swapper/110:25:111
223939960,3cyclictest0-21swapper/110:05:191
223939960,3cyclictest0-21swapper/109:42:221
223939960,2cyclictest0-21swapper/112:05:111
223939960,1cyclictest0-21swapper/112:33:361
223939960,1cyclictest0-21swapper/111:31:291
223939960,1cyclictest0-21swapper/110:45:121
223939960,1cyclictest0-21swapper/110:15:161
223939960,1cyclictest0-21swapper/110:11:381
223839964,1cyclictest707-21snmpd07:51:190
223839964,1cyclictest707-21snmpd07:25:300
223839960,6cyclictest10427-21ssh10:25:090
223839960,6cyclictest0-21swapper/007:20:170
223839960,5cyclictest25337-21ssh12:05:220
223839960,5cyclictest0-21swapper/008:50:100
223839960,5cyclictest0-21swapper/007:55:140
223839960,4cyclictest0-21swapper/009:00:100
223839960,2cyclictest0-21swapper/009:35:270
223839960,0cyclictest0-21swapper/007:33:170
224109954,1cyclictest707-21snmpd07:54:313
224109954,1cyclictest14263-21ssh10:30:043
224109953,1cyclictest6279-21cut08:50:103
224109953,1cyclictest24757-21ssh11:25:113
224109953,1cyclictest13388-21aten_r1power_fr09:05:143
224109952,1cyclictest240-21systemd-journal08:37:583
224109951,2cyclictest0-21swapper/308:30:143
224019955,0cyclictest61650irq/122-eno107:50:142
224019955,0cyclictest61650irq/122-eno107:40:122
223939951,4cyclictest0-21swapper/112:28:471
223939951,4cyclictest0-21swapper/108:56:061
223939951,2cyclictest0-21swapper/110:02:481
223939951,1cyclictest0-21swapper/110:20:131
223939951,1cyclictest0-21swapper/108:45:131
223939950,5cyclictest0-21swapper/112:22:221
223939950,5cyclictest0-21swapper/111:52:441
223939950,5cyclictest0-21swapper/111:49:501
223939950,5cyclictest0-21swapper/111:37:321
223939950,5cyclictest0-21swapper/111:10:261
223939950,4cyclictest0-21swapper/110:55:121
223939950,4cyclictest0-21swapper/110:50:161
223939950,4cyclictest0-21swapper/108:40:351
223939950,3cyclictest0-21swapper/111:15:181
223939950,3cyclictest0-21swapper/109:55:201
223939950,3cyclictest0-21swapper/108:05:161
223939950,2cyclictest0-21swapper/112:15:251
223939950,0cyclictest0-21swapper/111:00:171
223939950,0cyclictest0-21swapper/109:20:401
223939950,0cyclictest0-21swapper/107:45:111
223839950,5cyclictest0-21swapper/008:40:130
224109944,0cyclictest1526-21apt-get08:40:113
224109940,2cyclictest808-21diskstats07:30:133
224019944,0cyclictest61650irq/122-eno108:55:122
223939943,1cyclictest31218-21chrt08:33:321
223939943,1cyclictest0-21swapper/108:35:191
223939942,1cyclictest0-21swapper/112:35:511
223939941,2cyclictest0-21swapper/110:30:141
223939941,1cyclictest0-21swapper/108:25:341
223939940,4cyclictest0-21swapper/107:55:201
223939940,3cyclictest0-21swapper/108:15:151
223939940,3cyclictest0-21swapper/107:50:331
223939940,3cyclictest0-21swapper/107:10:101
223939940,2cyclictest0-21swapper/111:40:111
223939940,2cyclictest0-21swapper/109:00:101
223939940,0cyclictest0-21swapper/109:47:511
223939940,0cyclictest0-21swapper/107:35:201
223939940,0cyclictest0-21swapper/107:22:281
223939930,1cyclictest0-21swapper/109:06:091
223939930,1cyclictest0-21swapper/107:40:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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