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2026-06-11 - 17:06
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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 highest latencies:
System rack1slot1.osadl.org (updated Thu Jun 11, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139112234158,25sleep00-21swapper/007:06:440
118152230155,21sleep20-21swapper/207:05:002
139422219160,46sleep10-21swapper/107:07:091
138422201138,21sleep30-21swapper/307:05:513
120462650,0sleep30-21swapper/309:59:123
320422590,0sleep20-21swapper/211:10:122
257622160,0sleep00-21swapper/012:30:000
186982150,0sleep10-21swapper/107:15:181
1426399146,3cyclictest1029-21snmpd09:27:413
14256991311,0cyclictest28-21ksoftirqd/210:24:232
14250991312,1cyclictest9-21ksoftirqd/011:00:000
1426399128,1cyclictest16660-21kworker/3:208:35:153
14263991211,1cyclictest35-21ksoftirqd/311:10:013
1425699129,3cyclictest28-21ksoftirqd/211:57:432
14256991212,0cyclictest28-21ksoftirqd/210:50:002
14256991211,1cyclictest28-21ksoftirqd/212:20:162
14256991210,1cyclictest28-21ksoftirqd/208:05:012
1426399119,1cyclictest35-21ksoftirqd/312:20:213
14263991111,0cyclictest35-21ksoftirqd/310:25:173
14263991110,1cyclictest7092-21diskmemload12:05:083
14263991110,1cyclictest35-21ksoftirqd/311:25:003
1425699119,1cyclictest28-21ksoftirqd/208:25:002
1425099119,1cyclictest9-21ksoftirqd/007:34:590
1425099114,4cyclictest24750-21latency_hist11:45:000
14250991110,1cyclictest9-21ksoftirqd/012:05:120
14250991110,1cyclictest9-21ksoftirqd/009:45:010
1426399109,1cyclictest35-21ksoftirqd/311:30:003
1426399109,1cyclictest22526-21aten_r1power_cu09:30:103
1426399109,0cyclictest35-21ksoftirqd/310:30:153
1426399108,1cyclictest35-21ksoftirqd/311:35:143
1426399108,1cyclictest35-21ksoftirqd/308:55:003
14263991010,0cyclictest35-21ksoftirqd/311:35:003
1425699109,1cyclictest61650irq/122-eno111:45:022
1425699109,1cyclictest28-21ksoftirqd/210:31:272
1425699109,1cyclictest28-21ksoftirqd/210:10:162
1425699109,1cyclictest28-21ksoftirqd/210:05:132
1425699109,1cyclictest28-21ksoftirqd/209:50:132
1425699109,1cyclictest28-21ksoftirqd/209:45:102
1425699109,1cyclictest28-21ksoftirqd/209:35:142
1425699109,1cyclictest28-21ksoftirqd/208:30:142
1425699109,1cyclictest28-21ksoftirqd/207:55:142
1425699109,1cyclictest28-21ksoftirqd/207:25:002
1425699108,1cyclictest28-21ksoftirqd/207:39:592
1425099109,1cyclictest9-21ksoftirqd/012:35:130
1425099109,1cyclictest9-21ksoftirqd/012:25:000
1425099108,1cyclictest9-21ksoftirqd/012:30:000
142639999,0cyclictest35-21ksoftirqd/310:45:153
142639999,0cyclictest35-21ksoftirqd/310:20:193
142639999,0cyclictest35-21ksoftirqd/310:16:433
142639998,1cyclictest35-21ksoftirqd/308:15:143
142639996,1cyclictest35-21ksoftirqd/307:15:003
142639991,5cyclictest0-21swapper/312:30:103
142639990,4cyclictest0-21swapper/307:35:113
142569999,0cyclictest28-21ksoftirqd/211:35:142
142569999,0cyclictest28-21ksoftirqd/210:35:152
142569999,0cyclictest28-21ksoftirqd/209:57:372
142569998,1cyclictest28-21ksoftirqd/212:14:082
142569998,1cyclictest28-21ksoftirqd/212:08:582
142569998,1cyclictest28-21ksoftirqd/211:53:582
142569998,1cyclictest28-21ksoftirqd/211:25:132
142569998,1cyclictest28-21ksoftirqd/211:18:282
142569998,1cyclictest28-21ksoftirqd/210:18:512
142569998,1cyclictest28-21ksoftirqd/209:25:142
142569998,1cyclictest28-21ksoftirqd/209:23:352
142569998,1cyclictest28-21ksoftirqd/208:05:132
142569998,1cyclictest28-21ksoftirqd/207:50:142
142569997,1cyclictest28-21ksoftirqd/212:00:142
142569997,1cyclictest28-21ksoftirqd/207:15:012
142569997,1cyclictest28-21ksoftirqd/207:15:002
142569996,1cyclictest61650irq/122-eno112:25:012
142569990,0cyclictest0-21swapper/210:29:552
142509998,1cyclictest9-21ksoftirqd/011:55:000
142509994,5cyclictest31670-21latency_hist07:45:000
142639988,0cyclictest35-21ksoftirqd/311:00:123
142639988,0cyclictest35-21ksoftirqd/310:35:133
142639988,0cyclictest35-21ksoftirqd/309:14:553
142639988,0cyclictest35-21ksoftirqd/309:05:213
142639987,1cyclictest35-21ksoftirqd/311:40:133
142639987,1cyclictest35-21ksoftirqd/310:55:133
142639987,1cyclictest35-21ksoftirqd/310:10:153
142639987,1cyclictest35-21ksoftirqd/310:05:173
142639987,1cyclictest35-21ksoftirqd/309:43:073
142639986,1cyclictest35-21ksoftirqd/312:14:543
142639986,1cyclictest1029-21snmpd10:52:243
142639986,1cyclictest1029-21snmpd09:49:243
142639986,1cyclictest1029-21snmpd08:41:073
142639986,1cyclictest1029-21snmpd07:55:593
142639980,7cyclictest0-21swapper/311:54:433
142639980,4cyclictest0-21swapper/312:00:023
142569988,0cyclictest28-21ksoftirqd/211:02:512
142569988,0cyclictest28-21ksoftirqd/210:02:392
142569987,1cyclictest28-21ksoftirqd/211:20:112
142569987,1cyclictest28-21ksoftirqd/210:51:182
142569987,1cyclictest28-21ksoftirqd/209:15:112
142569987,1cyclictest28-21ksoftirqd/208:25:102
142569986,1cyclictest1029-21snmpd11:41:002
142569986,1cyclictest1029-21snmpd11:31:522
142569981,6cyclictest29478-21apt-get12:35:122
142569980,7cyclictest271rcuc/211:05:132
142569980,7cyclictest1029-21snmpd10:56:192
142569980,4cyclictest25356-21cron08:39:592
142569980,4cyclictest0-21swapper/210:40:142
142519980,8cyclictest0-21swapper/111:28:221
142509987,1cyclictest9-21ksoftirqd/010:00:140
142509987,1cyclictest9-21ksoftirqd/007:50:000
142509986,1cyclictest1029-21snmpd11:10:380
142509982,4cyclictest3634-21hddtemp_smartct11:15:150
142509981,6cyclictest20343-21expr10:10:120
142509980,4cyclictest4788-21perf09:05:000
142509980,2cyclictest27686-21ssh11:47:300
142639977,0cyclictest35-21ksoftirqd/312:35:093
142639977,0cyclictest35-21ksoftirqd/311:55:143
142639977,0cyclictest35-21ksoftirqd/309:50:153
142639977,0cyclictest35-21ksoftirqd/308:45:163
142639976,1cyclictest35-21ksoftirqd/310:00:143
142639976,1cyclictest35-21ksoftirqd/308:25:133
142639976,1cyclictest35-21ksoftirqd/307:25:003
142639976,1cyclictest12579-21ntpq08:10:163
142639976,1cyclictest12579-21ntpq08:10:163
142639976,1cyclictest1029-21snmpd12:19:073
142639970,4cyclictest0-21swapper/309:20:103
142639970,2cyclictest7092-21diskmemload09:19:563
142569977,0cyclictest28-21ksoftirqd/212:16:532
142569977,0cyclictest28-21ksoftirqd/209:30:182
142569976,1cyclictest61650irq/122-eno109:40:342
142569976,1cyclictest28-21ksoftirqd/209:10:132
142569975,1cyclictest28-21ksoftirqd/207:30:132
142519971,6cyclictest0-21swapper/110:55:231
142519970,4cyclictest0-21swapper/112:20:111
142519970,4cyclictest0-21swapper/112:11:371
142519970,4cyclictest0-21swapper/110:15:101
142519970,3cyclictest0-21swapper/111:21:231
142519970,2cyclictest0-21swapper/109:45:151
142519970,1cyclictest0-21swapper/111:54:581
142519970,1cyclictest0-21swapper/108:06:161
142509977,0cyclictest9-21ksoftirqd/009:35:000
142509976,1cyclictest9-21ksoftirqd/007:40:010
142509976,1cyclictest9-21ksoftirqd/007:29:590
142509976,1cyclictest1029-21snmpd11:01:450
142509976,1cyclictest1029-21snmpd09:58:340
142509976,1cyclictest1029-21snmpd09:11:060
142509976,1cyclictest0-21swapper/010:05:490
142509975,1cyclictest9592-21diskstats08:05:130
142509975,1cyclictest18301-21fschecks_time11:35:140
142509975,1cyclictest1029-21snmpd12:00:590
142509975,1cyclictest1029-21snmpd11:05:200
142509971,5cyclictest16893-21ssh10:50:100
142509971,4cyclictest16644-21munin-node08:59:010
142509970,6cyclictest7092-21diskmemload09:45:060
142509970,6cyclictest3327-21grep10:30:150
142509970,6cyclictest32515-21apt-get11:55:090
142509970,6cyclictest29130-21ssh10:20:230
142509970,6cyclictest15332-21ssh10:46:170
142509970,6cyclictest14776-21ssh12:15:100
142509970,6cyclictest13087-21ssh09:16:130
142509970,6cyclictest0-21swapper/010:25:190
142509970,6cyclictest0-21swapper/009:50:180
142509970,6cyclictest0-21swapper/008:15:130
142509970,6cyclictest0-21swapper/007:15:020
142509970,1cyclictest7092-21diskmemload12:12:400
142509970,1cyclictest7092-21diskmemload09:22:240
142509970,1cyclictest24395-21chrt09:30:330
142509970,1cyclictest0-21swapper/011:20:160
142509970,1cyclictest0-21swapper/010:35:340
142639966,0cyclictest35-21ksoftirqd/311:15:153
142639966,0cyclictest35-21ksoftirqd/310:40:143
142639965,1cyclictest35-21ksoftirqd/311:10:133
142639965,1cyclictest35-21ksoftirqd/309:35:153
142639965,1cyclictest35-21ksoftirqd/308:05:123
142639965,1cyclictest35-21ksoftirqd/307:50:193
142639965,1cyclictest35-21ksoftirqd/307:45:133
142639965,1cyclictest35-21ksoftirqd/307:25:183
142639965,1cyclictest25668-21cat07:30:143
142639965,1cyclictest23009-21ssh12:25:153
142639965,1cyclictest1029-21snmpd11:45:363
142639964,1cyclictest35-21ksoftirqd/309:00:143
142639964,1cyclictest35-21ksoftirqd/307:40:203
142639964,1cyclictest1029-21snmpd08:55:323
142639963,1cyclictest16172-21apt-get08:20:123
142569966,0cyclictest61650irq/122-eno108:58:292
142569966,0cyclictest61650irq/122-eno108:42:062
142569966,0cyclictest61650irq/122-eno108:12:282
142569966,0cyclictest61650irq/122-eno108:12:272
142569966,0cyclictest61650irq/122-eno107:49:012
142569966,0cyclictest28-21ksoftirqd/212:30:142
142569964,1cyclictest28-21ksoftirqd/209:00:132
142569964,1cyclictest0-21swapper/208:45:132
142569960,6cyclictest0-21swapper/207:27:322
142569960,1cyclictest0-21swapper/208:50:122
142519965,1cyclictest0-21swapper/110:36:501
142519963,0cyclictest0-21swapper/107:20:171
142519962,2cyclictest5923-21taskset12:01:211
142519961,3cyclictest0-21swapper/109:30:121
142519961,2cyclictest0-21swapper/108:48:551
142519961,1cyclictest0-21swapper/112:15:101
142519960,6cyclictest0-21swapper/112:28:031
142519960,6cyclictest0-21swapper/111:57:251
142519960,6cyclictest0-21swapper/111:33:091
142519960,6cyclictest0-21swapper/111:15:261
142519960,6cyclictest0-21swapper/109:07:291
142519960,6cyclictest0-21swapper/108:42:461
142519960,6cyclictest0-21swapper/108:25:271
142519960,6cyclictest0-21swapper/108:15:511
142519960,6cyclictest0-21swapper/108:00:501
142519960,6cyclictest0-21swapper/107:46:381
142519960,5cyclictest0-21swapper/109:18:151
142519960,5cyclictest0-21swapper/108:55:151
142519960,3cyclictest0-21swapper/112:36:061
142519960,3cyclictest0-21swapper/111:11:171
142519960,3cyclictest0-21swapper/110:33:441
142519960,3cyclictest0-21swapper/109:24:191
142519960,3cyclictest0-21swapper/109:11:351
142519960,2cyclictest0-21swapper/107:25:161
142519960,1cyclictest0-21swapper/111:45:011
142519960,1cyclictest0-21swapper/110:48:281
142519960,1cyclictest0-21swapper/107:56:481
142509965,1cyclictest9-21ksoftirqd/008:20:000
142509965,1cyclictest9-21ksoftirqd/007:20:010
142509965,1cyclictest13843-1kworker/u9:211:30:180
142509965,1cyclictest1029-21snmpd08:35:120
142509965,1cyclictest1029-21snmpd08:31:000
142509965,1cyclictest1029-21snmpd07:12:460
142509965,1cyclictest10254-21ssh11:25:110
142509962,1cyclictest13567-21idleruntime-cro08:15:010
142509962,1cyclictest13567-21idleruntime-cro08:15:000
142509960,6cyclictest0-21swapper/008:41:470
142509960,6cyclictest0-21swapper/007:53:490
142509960,5cyclictest9567-21/usr/sbin/munin10:40:170
142509960,5cyclictest23699-21sh10:15:110
142509960,0cyclictest0-21swapper/009:25:130
142509960,0cyclictest0-21swapper/008:27:120
142639955,0cyclictest35-21ksoftirqd/307:15:003
142639953,1cyclictest35-21ksoftirqd/308:00:133
142569954,1cyclictest2861-21kworker/2:208:15:142
142569954,0cyclictest28-21ksoftirqd/209:05:212
142569950,1cyclictest0-21swapper/207:40:132
142519955,0cyclictest0-21swapper/110:10:561
142519955,0cyclictest0-21swapper/109:51:051
142519955,0cyclictest0-21swapper/109:25:421
142519955,0cyclictest0-21swapper/108:38:321
142519953,1cyclictest0-21swapper/110:05:111
142519952,1cyclictest0-21swapper/111:43:091
142519950,5cyclictest0-21swapper/112:30:231
142519950,5cyclictest0-21swapper/110:53:451
142519950,5cyclictest0-21swapper/109:42:501
142519950,5cyclictest0-21swapper/109:35:161
142519950,5cyclictest0-21swapper/108:12:541
142519950,5cyclictest0-21swapper/108:12:541
142519950,5cyclictest0-21swapper/107:41:301
142519950,4cyclictest0-21swapper/111:35:451
142519950,4cyclictest0-21swapper/107:10:581
142519950,3cyclictest0-21swapper/110:25:391
142519950,2cyclictest0-21swapper/112:07:211
142519950,2cyclictest0-21swapper/111:03:411
142519950,2cyclictest0-21swapper/110:41:581
142519950,2cyclictest0-21swapper/110:23:351
142519950,2cyclictest0-21swapper/110:00:431
142519950,1cyclictest0-21swapper/111:05:021
142519950,1cyclictest0-21swapper/109:56:161
142519950,1cyclictest0-21swapper/108:30:111
142519950,0cyclictest0-21swapper/107:35:151
142509953,1cyclictest6733-21basename08:00:120
142509950,5cyclictest0-21swapper/009:05:190
142509950,4cyclictest30310-21/usr/sbin/munin08:50:110
142509950,4cyclictest28764-21hddtemp_smartct08:45:130
142639944,0cyclictest35-21ksoftirqd/308:30:153
142519941,1cyclictest0-21swapper/107:30:161
142519940,4cyclictest0-21swapper/108:24:031
142519940,4cyclictest0-21swapper/107:50:301
142519940,1cyclictest0-21swapper/108:50:111
142519940,0cyclictest0-21swapper/109:02:571
142509940,4cyclictest0-21swapper/007:55:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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