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2026-06-06 - 18:28
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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 all highest latencies:
System rack1slot1.osadl.org (updated Sat Jun 06, 2026 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252822215149,23sleep20-21swapper/207:06:452
253652201162,25sleep30-21swapper/307:07:513
234262196157,24sleep00-21swapper/007:05:110
253262194157,24sleep10-21swapper/107:07:211
264892720,0sleep20-21swapper/211:29:512
11592580,0sleep10-21swapper/108:30:191
35082180,0sleep10-21swapper/111:40:191
25625991716,1cyclictest28-21ksoftirqd/209:43:482
270652160,1sleep121-21ksoftirqd/109:20:131
25625991311,1cyclictest28-21ksoftirqd/208:25:012
152892130,0sleep20-21swapper/210:30:162
25625991212,0cyclictest28-21ksoftirqd/208:45:132
25625991211,1cyclictest28-21ksoftirqd/212:25:122
25625991211,1cyclictest28-21ksoftirqd/212:15:102
25625991211,1cyclictest28-21ksoftirqd/212:10:162
25625991211,1cyclictest28-21ksoftirqd/211:05:172
25625991210,1cyclictest28-21ksoftirqd/209:40:002
2561199124,4cyclictest12972-21sed07:50:000
2563399111,6cyclictest1029-21snmpd10:41:423
2562599119,1cyclictest28-21ksoftirqd/209:05:002
25625991110,1cyclictest28-21ksoftirqd/212:30:212
25625991110,1cyclictest28-21ksoftirqd/209:32:452
2563399106,1cyclictest1029-21snmpd10:49:473
2562599109,1cyclictest28-21ksoftirqd/212:35:142
2562599109,1cyclictest28-21ksoftirqd/212:22:322
2562599109,1cyclictest28-21ksoftirqd/212:05:172
2562599109,1cyclictest28-21ksoftirqd/210:35:022
2562599109,1cyclictest28-21ksoftirqd/209:25:222
2562599109,1cyclictest28-21ksoftirqd/209:21:542
2562599109,1cyclictest28-21ksoftirqd/209:12:282
25625991010,0cyclictest28-21ksoftirqd/211:31:092
25625991010,0cyclictest28-21ksoftirqd/209:19:422
2562599100,9cyclictest0-21swapper/210:00:172
2561199102,7cyclictest18476-21diskmemload11:42:530
152962100,0sleep10-21swapper/111:14:421
256339992,7cyclictest19267-21latency_hist11:20:003
256259999,0cyclictest28-21ksoftirqd/210:50:142
256259998,1cyclictest28-21ksoftirqd/211:54:242
256259998,1cyclictest28-21ksoftirqd/211:49:162
256259998,1cyclictest28-21ksoftirqd/210:56:412
256259998,1cyclictest28-21ksoftirqd/210:41:282
256259998,1cyclictest28-21ksoftirqd/210:27:302
256259998,1cyclictest28-21ksoftirqd/210:10:182
256259998,1cyclictest28-21ksoftirqd/208:30:102
256259997,1cyclictest28-21ksoftirqd/211:55:062
256259997,1cyclictest28-21ksoftirqd/211:23:332
256259997,1cyclictest28-21ksoftirqd/211:01:472
256259997,1cyclictest28-21ksoftirqd/210:05:132
256259997,1cyclictest28-21ksoftirqd/209:55:142
256259997,1cyclictest28-21ksoftirqd/209:54:292
256259997,1cyclictest28-21ksoftirqd/209:45:102
256259993,4cyclictest28-21ksoftirqd/211:18:212
256259990,6cyclictest29693-21apt-get08:25:122
256259990,6cyclictest27979-21kworker/2:109:05:172
256339987,1cyclictest35-21ksoftirqd/308:04:593
256339986,1cyclictest1029-21snmpd08:22:213
256339984,1cyclictest7517-21users11:45:213
256339980,3cyclictest0-21swapper/309:40:113
256259987,1cyclictest28-21ksoftirqd/211:39:212
256259987,1cyclictest28-21ksoftirqd/211:12:062
256259987,1cyclictest28-21ksoftirqd/210:21:492
256259987,1cyclictest28-21ksoftirqd/207:35:002
256259986,1cyclictest61650irq/122-eno108:59:592
256259986,1cyclictest61650irq/122-eno107:40:002
256259986,1cyclictest28-21ksoftirqd/212:00:492
256259986,1cyclictest11700-21cat07:45:162
256259981,5cyclictest4117-21rm11:41:092
256259980,8cyclictest0-21swapper/208:10:162
256259980,7cyclictest1970-21grep07:25:162
256199981,4cyclictest0-21swapper/111:00:111
256119986,1cyclictest9-21ksoftirqd/011:13:140
256119986,1cyclictest1029-21snmpd10:23:460
256119980,7cyclictest26586-21ssh10:00:360
256119980,7cyclictest21314-21ssh10:38:520
256119980,7cyclictest11748-21chrt09:41:030
256119980,1cyclictest4474-21ssh09:32:070
11774280,1sleep312123-21diskstats08:55:133
256339977,0cyclictest35-21ksoftirqd/310:52:583
256339976,1cyclictest1029-21snmpd11:26:333
256339976,1cyclictest1029-21snmpd08:11:303
256339975,1cyclictest1029-21snmpd09:23:543
256339975,1cyclictest1029-21snmpd08:36:493
256339974,1cyclictest13650irq/124-ahci[0008:34:553
256339973,4cyclictest20483-21sh10:36:303
256339972,4cyclictest1029-21snmpd11:10:323
256339972,3cyclictest28908-21kworker/u8:212:01:263
256339971,4cyclictest18912-1kworker/u9:112:15:473
256339971,4cyclictest0-21swapper/311:50:113
256339971,2cyclictest18476-21diskmemload10:00:123
256339970,6cyclictest30801-1kworker/u9:010:10:223
256339970,6cyclictest13987-21/usr/sbin/munin09:00:183
256339970,5cyclictest0-21swapper/312:25:103
256339970,3cyclictest0-21swapper/312:10:103
256339970,2cyclictest0-21swapper/311:55:163
256339970,0cyclictest18476-21diskmemload09:51:323
256259977,0cyclictest28-21ksoftirqd/210:15:132
256259977,0cyclictest28-21ksoftirqd/207:50:002
256259976,1cyclictest28-21ksoftirqd/210:45:142
256259976,1cyclictest28-21ksoftirqd/208:10:012
256259976,1cyclictest28-21ksoftirqd/207:15:122
256259975,1cyclictest805-21sshd07:23:352
256259975,1cyclictest5491-21ntpq08:40:182
256199971,6cyclictest0-21swapper/108:22:211
256199971,4cyclictest0-21swapper/110:05:121
256199971,3cyclictest0-21swapper/111:20:141
256199971,3cyclictest0-21swapper/110:55:021
256199971,1cyclictest0-21swapper/111:33:381
256199970,6cyclictest0-21swapper/111:07:081
256199970,6cyclictest0-21swapper/108:13:151
256199970,5cyclictest0-21swapper/109:28:411
256199970,4cyclictest0-21swapper/110:38:311
256199970,4cyclictest0-21swapper/110:10:191
256199970,4cyclictest0-21swapper/109:50:151
256199970,1cyclictest0-21swapper/110:43:421
256119976,1cyclictest9779-1kworker/u9:210:31:270
256119976,1cyclictest9065-1kworker/u9:112:32:190
256119976,1cyclictest9-21ksoftirqd/012:27:440
256119976,1cyclictest4601-21cat07:30:140
256119976,1cyclictest26643-21cat10:45:150
256119976,1cyclictest1029-21snmpd07:26:350
256119975,1cyclictest1029-21snmpd08:12:130
256119973,3cyclictest561-21nscd12:10:260
256119971,6cyclictest5975-1kworker/u9:010:17:290
256119971,5cyclictest10291-21/usr/sbin/munin12:35:150
256119970,6cyclictest8123-21ssh11:05:000
256119970,6cyclictest32158-21ssh10:10:110
256119970,6cyclictest30491-21ssh10:50:170
256119970,6cyclictest2957-21ssh10:56:020
256119970,6cyclictest28411-21ssh10:05:110
256119970,6cyclictest27210-21ssh11:30:130
256119970,6cyclictest26999-1kworker/u9:211:45:100
256119970,6cyclictest18912-1kworker/u9:112:15:190
256119970,6cyclictest13639-21ssh11:55:140
256119970,6cyclictest11296-21rm10:25:130
256119970,6cyclictest0-21swapper/012:00:140
256119970,6cyclictest0-21swapper/009:20:180
256119970,6cyclictest0-21swapper/009:15:140
256119970,6cyclictest0-21swapper/008:31:180
256119970,6cyclictest0-21swapper/008:05:120
256119970,4cyclictest31807-21munin-run08:30:000
256119970,4cyclictest1982-21sendmail-mta08:19:350
256119970,1cyclictest9392-21ssh11:50:030
256119970,1cyclictest9-21ksoftirqd/009:10:120
256119970,1cyclictest8432-21sed07:40:010
256119970,1cyclictest545-21ssh11:36:410
256119970,1cyclictest21485-21ssh09:55:160
256119970,1cyclictest15604-21ssh09:46:320
256119970,1cyclictest0-21swapper/012:20:150
256119970,1cyclictest0-21swapper/011:00:570
256119970,1cyclictest0-21swapper/009:35:210
256119970,1cyclictest0-21swapper/008:45:120
11581270,0sleep10-21swapper/111:51:211
9823260,0sleep10-21swapper/109:40:121
256339965,1cyclictest9345-21ssh12:33:053
256339965,1cyclictest5014-21ssh11:43:453
256339965,1cyclictest3522-21ssh10:57:403
256339965,1cyclictest17203-21ssh10:32:413
256339965,1cyclictest10565-21ssh11:06:413
256339965,1cyclictest1029-21snmpd10:27:283
256339965,1cyclictest1029-21snmpd08:07:003
256339965,1cyclictest1029-21snmpd07:49:083
256339964,1cyclictest20734-21wc11:20:193
256339964,1cyclictest1029-21snmpd07:21:523
256339964,0cyclictest13650irq/124-ahci[0008:19:553
256339963,1cyclictest548-21systemd-logind08:45:193
256339963,1cyclictest13650irq/124-ahci[0007:45:003
256339963,1cyclictest13400-21ssh12:39:123
256339963,0cyclictest18476-21diskmemload10:18:353
256339962,3cyclictest24726-21nscd10:06:313
256339962,3cyclictest0-21swapper/311:35:173
256339961,2cyclictest22293-21/usr/sbin/munin12:05:213
256339960,4cyclictest5953-21latency_hist07:35:003
256339960,4cyclictest0-21swapper/311:02:153
256339960,4cyclictest0-21swapper/309:28:403
256339960,2cyclictest0-21swapper/309:55:123
256339960,2cyclictest0-21swapper/309:35:163
256339960,2cyclictest0-21swapper/309:12:363
256339960,1cyclictest0-21swapper/309:33:143
256259966,0cyclictest61650irq/122-eno107:10:102
256259966,0cyclictest28-21ksoftirqd/208:15:112
256259964,1cyclictest61650irq/122-eno107:55:182
256259964,1cyclictest28-21ksoftirqd/207:40:142
256199966,0cyclictest0-21swapper/112:03:091
256199960,6cyclictest0-21swapper/111:35:191
256199960,6cyclictest0-21swapper/111:26:331
256199960,6cyclictest0-21swapper/110:49:471
256199960,6cyclictest0-21swapper/110:27:281
256199960,6cyclictest0-21swapper/108:36:491
256199960,5cyclictest0-21swapper/111:45:151
256199960,5cyclictest0-21swapper/107:22:251
256199960,4cyclictest0-21swapper/109:55:031
256199960,3cyclictest206892sleep109:10:461
256199960,3cyclictest0-21swapper/107:25:151
256199960,2cyclictest0-21swapper/112:25:201
256199960,2cyclictest0-21swapper/112:08:451
256199960,2cyclictest0-21swapper/110:31:561
256199960,2cyclictest0-21swapper/109:15:111
256199960,1cyclictest0-21swapper/111:15:121
256199960,0cyclictest0-21swapper/112:39:071
256119965,1cyclictest1029-21snmpd07:12:290
256119963,0cyclictest0-21swapper/007:55:210
256119960,6cyclictest1029-21snmpd08:54:110
256119960,6cyclictest0-21swapper/011:25:050
256119960,6cyclictest0-21swapper/010:40:220
256119960,6cyclictest0-21swapper/008:39:210
256119960,6cyclictest0-21swapper/008:20:050
256119960,5cyclictest18476-21diskmemload11:20:110
256119960,5cyclictest0-21swapper/011:15:210
256119960,5cyclictest0-21swapper/007:20:120
256119960,1cyclictest20879-21ssh12:05:130
256119960,1cyclictest0-21swapper/009:00:430
256119960,0cyclictest0-21swapper/009:50:190
256119960,0cyclictest0-21swapper/009:25:130
256119960,0cyclictest0-21swapper/008:00:140
256119960,0cyclictest0-21swapper/007:15:220
256339955,0cyclictest15271-21ssh09:45:333
256339954,1cyclictest35-21ksoftirqd/308:40:543
256339954,1cyclictest28837-21ssh11:30:213
256339954,1cyclictest1029-21snmpd08:52:013
256339954,0cyclictest6083-21apt-get07:35:123
256339953,1cyclictest16297-21sed07:55:173
256339952,1cyclictest13832-21grep07:50:133
256339951,2cyclictest0-21swapper/308:25:133
256339950,4cyclictest0-21swapper/309:15:113
256339950,2cyclictest31610-21apt-get12:20:103
256339950,1cyclictest0-21swapper/310:20:083
256259955,0cyclictest61650irq/122-eno108:35:122
256259953,1cyclictest9822-21sed08:50:142
256259950,1cyclictest17886-21/usr/sbin/munin08:00:142
256199955,0cyclictest0-21swapper/110:20:111
256199951,2cyclictest0-21swapper/112:33:521
256199951,1cyclictest0-21swapper/107:15:191
256199950,5cyclictest0-21swapper/110:52:011
256199950,5cyclictest0-21swapper/110:00:051
256199950,5cyclictest0-21swapper/109:37:371
256199950,5cyclictest0-21swapper/108:50:371
256199950,5cyclictest0-21swapper/108:07:001
256199950,5cyclictest0-21swapper/107:47:501
256199950,4cyclictest0-21swapper/109:30:161
256199950,4cyclictest0-21swapper/108:15:491
256199950,3cyclictest0-21swapper/112:13:251
256199950,3cyclictest0-21swapper/109:45:191
256199950,2cyclictest0-21swapper/111:55:191
256199950,0cyclictest0-21swapper/108:46:301
256199950,0cyclictest0-21swapper/107:50:501
256119953,1cyclictest4347-21/usr/sbin/munin08:40:170
256119950,5cyclictest0-21swapper/008:55:020
256119950,5cyclictest0-21swapper/007:53:200
256119950,5cyclictest0-21swapper/007:40:120
256119950,0cyclictest0-21swapper/009:05:150
256339944,0cyclictest17742-21sensors09:05:203
256339943,1cyclictest2452-21processes07:25:203
256339940,2cyclictest0-21swapper/307:15:003
256339940,1cyclictest0-21swapper/307:10:093
256199944,0cyclictest0-21swapper/108:03:431
256199944,0cyclictest0-21swapper/107:44:011
256199944,0cyclictest0-21swapper/107:30:101
256199942,1cyclictest0-21swapper/109:10:001
256199942,1cyclictest0-21swapper/108:45:011
256199941,2cyclictest0-21swapper/107:35:151
256199940,4cyclictest0-21swapper/112:20:131
256199940,3cyclictest0-21swapper/110:15:041
256199940,2cyclictest0-21swapper/108:55:121
256199940,2cyclictest0-21swapper/108:25:121
256199940,1cyclictest0-21swapper/112:15:211
256199940,1cyclictest0-21swapper/109:00:111
256199940,1cyclictest0-21swapper/107:55:131
256199940,0cyclictest0-21swapper/107:10:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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