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2026-06-13 - 16:36
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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 Sat Jun 13, 2026 12:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1046422520,2sleep20-21swapper/207:05:242
107402213148,22sleep00-21swapper/007:06:360
107062201161,26sleep30-21swapper/307:06:113
106942199160,26sleep10-21swapper/107:06:001
202582630,0sleep10-21swapper/111:41:271
162282140,0sleep00-21swapper/010:09:340
11104991211,1cyclictest35-21ksoftirqd/310:00:003
1109799120,0cyclictest0-21swapper/209:24:182
1107699124,4cyclictest31891-21perf11:15:000
11104991110,1cyclictest35-21ksoftirqd/310:45:013
1109799119,1cyclictest28-21ksoftirqd/208:30:002
11097991110,1cyclictest28-21ksoftirqd/211:10:342
1110499109,1cyclictest35-21ksoftirqd/311:40:003
1110499109,1cyclictest35-21ksoftirqd/308:35:003
11104991010,0cyclictest35-21ksoftirqd/310:30:013
11097991010,0cyclictest28-21ksoftirqd/209:57:032
1107699109,0cyclictest3944-21diskmemload11:25:270
1107699108,1cyclictest9-21ksoftirqd/008:05:010
1107699103,6cyclictest13638-21kworker/0:010:49:270
111049998,1cyclictest35-21ksoftirqd/310:20:003
111049997,1cyclictest35-21ksoftirqd/311:04:593
111049990,4cyclictest0-21swapper/309:10:113
110979990,8cyclictest0-21swapper/210:26:092
110769997,1cyclictest9467-21nscd10:30:110
111049988,0cyclictest35-21ksoftirqd/312:25:013
111049988,0cyclictest35-21ksoftirqd/312:25:013
111049987,1cyclictest35-21ksoftirqd/312:35:003
111049986,1cyclictest5092-21cat12:05:163
111049986,1cyclictest35-21ksoftirqd/312:05:013
111049986,1cyclictest35-21ksoftirqd/311:35:003
111049986,1cyclictest35-21ksoftirqd/310:50:013
111049986,1cyclictest35-21ksoftirqd/307:25:003
111049986,1cyclictest27253-21sh11:07:133
111049986,1cyclictest1029-21snmpd11:14:453
111049986,1cyclictest1029-21snmpd09:05:053
111049986,1cyclictest1029-21snmpd07:47:543
111049982,4cyclictest27349-1kworker/u9:111:56:333
111049980,5cyclictest8067-21apt-get08:10:103
110979988,0cyclictest28-21ksoftirqd/211:58:372
110979986,1cyclictest61650irq/122-eno111:31:582
110979986,1cyclictest61650irq/122-eno111:25:112
110979986,1cyclictest61650irq/122-eno111:00:002
110979986,1cyclictest61650irq/122-eno110:49:252
110979986,1cyclictest61650irq/122-eno110:05:172
110769986,1cyclictest12710-21ntp_states12:15:170
110769986,1cyclictest1029-21snmpd11:50:070
110769985,1cyclictest9-21ksoftirqd/009:00:010
110769985,1cyclictest9-21ksoftirqd/009:00:010
110769980,7cyclictest13804-21ssh09:20:460
10230280,0sleep00-21swapper/009:16:370
111049977,0cyclictest35-21ksoftirqd/311:45:003
111049977,0cyclictest11074-21cyclictest11:27:463
111049976,1cyclictest35-21ksoftirqd/311:54:593
111049975,1cyclictest35-21ksoftirqd/309:00:003
111049975,1cyclictest35-21ksoftirqd/309:00:003
111049975,1cyclictest30410-21ssh09:44:493
111049975,1cyclictest22666-21cat11:45:163
111049975,1cyclictest20732-21ntpq09:30:183
111049975,1cyclictest11336-21ssh10:00:563
111049975,1cyclictest1029-21snmpd10:52:323
111049975,1cyclictest1029-21snmpd08:49:183
111049975,1cyclictest1029-21snmpd08:20:503
111049975,1cyclictest0-21swapper/309:45:133
111049975,1cyclictest0-21swapper/309:20:343
111049972,3cyclictest561-21nscd12:15:013
111049972,1cyclictest0-21swapper/308:05:013
111049971,4cyclictest240-21systemd-journal07:15:003
111049971,4cyclictest0-21swapper/310:20:123
111049970,3cyclictest25948-21kworker/3:207:40:143
111049970,2cyclictest0-21swapper/309:50:113
110979976,1cyclictest61650irq/122-eno111:50:462
110979976,1cyclictest61650irq/122-eno111:46:072
110979976,1cyclictest61650irq/122-eno111:40:012
110979976,1cyclictest61650irq/122-eno111:20:112
110979976,1cyclictest61650irq/122-eno110:22:122
110979976,1cyclictest61650irq/122-eno110:03:012
110979976,1cyclictest61650irq/122-eno109:50:142
110979976,1cyclictest61650irq/122-eno109:35:142
110979976,1cyclictest61650irq/122-eno109:32:172
110979976,1cyclictest61650irq/122-eno109:15:132
110979976,1cyclictest61650irq/122-eno109:15:002
110979976,1cyclictest61650irq/122-eno107:30:122
110979976,0cyclictest61650irq/122-eno111:00:122
110979975,1cyclictest61650irq/122-eno112:10:172
110979975,1cyclictest61650irq/122-eno112:00:142
110979975,1cyclictest61650irq/122-eno109:25:152
110979975,1cyclictest3126-21perf08:00:012
110979975,1cyclictest28-21ksoftirqd/208:24:592
110979975,1cyclictest19352-21sh10:13:012
110979975,1cyclictest1747-21ntpd11:05:592
110979975,1cyclictest1747-21ntpd08:45:592
110979975,1cyclictest17100-21ssh12:20:402
110979975,1cyclictest17100-21ssh12:20:392
110979975,1cyclictest1029-21snmpd10:30:412
110979975,1cyclictest1029-21snmpd08:00:372
110979971,5cyclictest4179-21apt-get12:05:112
110979971,3cyclictest0-21swapper/207:20:122
110979970,6cyclictest0-21swapper/210:40:212
110979970,5cyclictest0-21swapper/208:05:132
110899971,6cyclictest0-21swapper/109:13:321
110899971,4cyclictest0-21swapper/112:30:581
110899970,6cyclictest0-21swapper/112:35:051
110899970,6cyclictest0-21swapper/110:34:571
110899970,6cyclictest0-21swapper/108:40:171
110899970,5cyclictest0-21swapper/110:05:161
110899970,3cyclictest0-21swapper/111:35:111
110899970,1cyclictest0-21swapper/110:01:191
110899970,1cyclictest0-21swapper/108:29:171
110899970,1cyclictest0-21swapper/108:06:011
110899970,0cyclictest0-21swapper/107:15:021
110769977,0cyclictest9-21ksoftirqd/009:44:520
110769976,1cyclictest9-21ksoftirqd/012:25:120
110769976,1cyclictest9-21ksoftirqd/008:49:210
110769976,1cyclictest24719-21ssh12:31:310
110769975,1cyclictest6596-21ssh09:12:390
110769974,3cyclictest15819-21aten2.4-expect09:25:130
110769972,4cyclictest0-21swapper/009:35:110
110769971,6cyclictest7671-21ssh09:56:010
110769971,6cyclictest0-21swapper/009:52:000
110769971,5cyclictest13637-21munin-node12:07:300
110769971,1cyclictest10043-1kworker/u9:112:12:530
110769970,7cyclictest17088-21ssh11:37:580
110769970,6cyclictest4552-21unixbench_singl10:35:220
110769970,6cyclictest3944-21diskmemload11:20:040
110769970,6cyclictest26770-21ssh11:05:460
110769970,6cyclictest1215-21ssh09:48:330
110769970,6cyclictest0-21swapper/012:20:190
110769970,6cyclictest0-21swapper/012:20:190
110769970,6cyclictest0-21swapper/010:55:130
110769970,2cyclictest19968-21expr09:30:140
110769970,2cyclictest0-21swapper/010:10:110
110769970,1cyclictest3944-21diskmemload10:44:010
110769970,1cyclictest32107-21ssh11:15:060
110769970,1cyclictest27897-21munin-node10:25:130
110769970,1cyclictest22850-21ssh10:17:310
110769970,1cyclictest20145-21ssh11:41:070
110769970,1cyclictest11261-21df11:30:130
110769970,1cyclictest0-21swapper/012:35:140
110769970,1cyclictest0-21swapper/011:00:020
1859260,1sleep30-21swapper/310:33:103
111049966,0cyclictest0-21swapper/311:18:233
111049965,1cyclictest9825-21kworker/u8:011:20:353
111049965,1cyclictest35-21ksoftirqd/308:40:013
111049965,1cyclictest35-21ksoftirqd/308:20:003
111049965,1cyclictest35-21ksoftirqd/308:05:013
111049965,1cyclictest20983-21ssh12:26:183
111049965,1cyclictest20116-21ssh10:57:503
111049965,1cyclictest19033-21ssh10:12:033
111049965,1cyclictest16174-21ssh10:09:253
111049965,1cyclictest13778-21ssh12:16:423
111049965,1cyclictest1029-21snmpd08:29:143
111049965,1cyclictest1029-21snmpd07:39:483
111049965,1cyclictest1029-21snmpd07:29:573
111049964,1cyclictest1029-21snmpd09:25:123
111049964,1cyclictest1029-21snmpd08:52:183
111049964,1cyclictest1029-21snmpd07:51:313
111049961,3cyclictest21622-21apt-get07:30:113
111049960,4cyclictest0-21swapper/310:35:143
111049960,3cyclictest8459-21df09:15:133
110979966,0cyclictest61650irq/122-eno112:30:202
110979966,0cyclictest61650irq/122-eno112:25:282
110979966,0cyclictest61650irq/122-eno112:15:132
110979966,0cyclictest61650irq/122-eno111:41:402
110979966,0cyclictest61650irq/122-eno111:15:172
110979966,0cyclictest61650irq/122-eno110:51:122
110979966,0cyclictest61650irq/122-eno110:35:222
110979966,0cyclictest61650irq/122-eno110:16:062
110979966,0cyclictest61650irq/122-eno109:05:422
110979966,0cyclictest61650irq/122-eno108:55:042
110979966,0cyclictest61650irq/122-eno108:55:042
110979966,0cyclictest61650irq/122-eno108:15:172
110979966,0cyclictest61650irq/122-eno107:24:592
110979965,1cyclictest31662-21cat09:45:152
110979965,1cyclictest1747-21ntpd07:10:582
110979964,1cyclictest61650irq/122-eno108:50:102
110979964,1cyclictest61650irq/122-eno107:40:212
110979964,1cyclictest1029-21snmpd09:00:322
110979960,6cyclictest0-21swapper/208:44:392
110979960,6cyclictest0-21swapper/208:35:152
110979960,6cyclictest0-21swapper/208:31:142
110979960,5cyclictest0-21swapper/208:10:152
110979960,4cyclictest28705-21apt-get07:45:132
110979960,3cyclictest28023-21ssh12:35:262
110979960,1cyclictest0-21swapper/209:40:162
110979960,1cyclictest0-21swapper/207:50:162
110979960,1cyclictest0-21swapper/207:16:062
110899965,1cyclictest0-21swapper/110:15:561
110899965,1cyclictest0-21swapper/109:37:581
110899961,2cyclictest0-21swapper/110:45:001
110899960,6cyclictest0-21swapper/111:57:521
110899960,6cyclictest0-21swapper/109:42:031
110899960,6cyclictest0-21swapper/108:45:441
110899960,5cyclictest0-21swapper/111:30:521
110899960,5cyclictest0-21swapper/111:20:031
110899960,5cyclictest0-21swapper/110:59:531
110899960,5cyclictest0-21swapper/110:25:461
110899960,4cyclictest0-21swapper/112:20:111
110899960,4cyclictest0-21swapper/112:20:101
110899960,4cyclictest0-21swapper/112:05:211
110899960,3cyclictest0-21swapper/111:53:531
110899960,3cyclictest0-21swapper/109:58:231
110899960,2cyclictest0-21swapper/112:28:351
110899960,1cyclictest0-21swapper/112:10:111
110899960,1cyclictest0-21swapper/111:19:021
110899960,1cyclictest0-21swapper/109:29:321
110899960,1cyclictest0-21swapper/109:22:151
110899960,1cyclictest0-21swapper/107:41:401
110899960,0cyclictest0-21swapper/110:45:481
110769965,1cyclictest22117-21ssh11:45:130
110769964,1cyclictest9-21ksoftirqd/007:50:010
110769964,1cyclictest1135-21ssh12:00:140
110769962,0cyclictest0-21swapper/008:05:170
110769961,3cyclictest3944-21diskmemload10:50:150
110769961,3cyclictest13403-21cron07:14:590
110769960,6cyclictest18880-21ntp_states08:30:180
110769960,6cyclictest0-21swapper/008:54:200
110769960,6cyclictest0-21swapper/008:25:120
110769960,6cyclictest0-21swapper/007:55:110
110769960,6cyclictest0-21swapper/007:50:190
110769960,6cyclictest0-21swapper/007:40:560
110769960,5cyclictest24230-21apt-get10:20:110
110769960,5cyclictest0-21swapper/007:25:110
110769960,1cyclictest29961-21if_eno111:55:160
110769960,1cyclictest0-21swapper/010:01:090
110769960,0cyclictest0-21swapper/008:21:050
110769960,0cyclictest0-21swapper/008:11:240
110769960,0cyclictest0-21swapper/007:30:120
111049954,1cyclictest23337-21cat08:40:173
111049951,3cyclictest31883-21apt-get09:00:113
111049951,1cyclictest24583-21ntp_states09:35:173
111049950,5cyclictest0-21swapper/307:11:373
111049950,4cyclictest0-21swapper/312:35:173
111049950,3cyclictest2363-21which07:55:193
110979953,1cyclictest61650irq/122-eno107:35:152
110899951,2cyclictest0-21swapper/109:15:191
110899951,2cyclictest0-21swapper/107:50:111
110899951,1cyclictest0-21swapper/109:54:031
110899950,5cyclictest0-21swapper/111:10:171
110899950,5cyclictest0-21swapper/110:36:591
110899950,5cyclictest0-21swapper/108:54:581
110899950,5cyclictest0-21swapper/108:35:151
110899950,5cyclictest0-21swapper/107:58:581
110899950,5cyclictest0-21swapper/107:24:021
110899950,4cyclictest0-21swapper/107:30:161
110899950,3cyclictest0-21swapper/110:52:391
110899950,3cyclictest0-21swapper/109:49:541
110899950,2cyclictest0-21swapper/112:00:091
110899950,2cyclictest0-21swapper/111:25:311
110899950,2cyclictest0-21swapper/111:05:511
110899950,2cyclictest0-21swapper/111:03:031
110899950,2cyclictest0-21swapper/110:10:181
110899950,2cyclictest0-21swapper/108:00:161
110899950,1cyclictest0-21swapper/112:15:141
110899950,1cyclictest0-21swapper/111:45:181
110899950,1cyclictest0-21swapper/109:30:231
110899950,1cyclictest0-21swapper/108:55:191
110899950,1cyclictest0-21swapper/108:55:191
110899950,1cyclictest0-21swapper/107:39:541
110899950,0cyclictest0-21swapper/110:20:001
110769953,1cyclictest2570-21head09:05:160
110769952,1cyclictest21217-21awk08:35:170
110769950,5cyclictest0-21swapper/008:16:030
110769950,5cyclictest0-21swapper/007:35:020
110769950,4cyclictest31958-21aten_r1power_fr09:00:120
110769950,2cyclictest0-21swapper/007:20:120
110769950,1cyclictest0-21swapper/008:40:150
110769950,0cyclictest0-21swapper/007:15:010
110899940,4cyclictest0-21swapper/109:06:081
110899940,4cyclictest0-21swapper/107:25:231
110899940,3cyclictest0-21swapper/107:45:211
110899940,2cyclictest0-21swapper/108:20:201
110899940,1cyclictest0-21swapper/108:30:151
110899940,0cyclictest0-21swapper/109:00:191
110899940,0cyclictest0-21swapper/108:10:131
110899940,0cyclictest0-21swapper/107:10:191
110899930,1cyclictest0-21swapper/108:15:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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