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2026-06-22 - 03:55
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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 Mon Jun 22, 2026 00:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
237132209159,23sleep00-21swapper/019:08:410
236722208157,26sleep30-21swapper/319:08:123
236562201158,29sleep20-21swapper/219:07:592
236402199161,25sleep10-21swapper/119:07:461
142132590,0sleep20-21swapper/221:49:432
249082580,0sleep20-21swapper/221:20:142
103572570,0sleep10-21swapper/123:10:471
23895991311,1cyclictest9-21ksoftirqd/022:55:000
23895991311,1cyclictest9-21ksoftirqd/020:45:010
23895991311,1cyclictest9-21ksoftirqd/000:15:000
23900991211,1cyclictest28-21ksoftirqd/200:35:012
23895991210,1cyclictest9-21ksoftirqd/021:44:590
23895991210,1cyclictest9-21ksoftirqd/000:25:150
2390199114,0cyclictest16588-21diskmemload22:16:263
23900991110,1cyclictest28-21ksoftirqd/222:55:002
2389599113,4cyclictest18133-21perf20:04:590
23895991110,1cyclictest9-21ksoftirqd/022:20:010
23895991110,1cyclictest9-21ksoftirqd/021:15:160
2389599111,7cyclictest13390-21kworker/0:120:30:150
2390199109,1cyclictest35-21ksoftirqd/321:30:013
2390099109,1cyclictest28-21ksoftirqd/223:20:002
2390099109,1cyclictest28-21ksoftirqd/219:15:012
2390099107,2cyclictest28-21ksoftirqd/219:55:002
23900991010,0cyclictest28-21ksoftirqd/200:10:012
2390099100,7cyclictest11392-21apt-get22:30:122
2389599108,1cyclictest9-21ksoftirqd/022:05:140
2389599108,1cyclictest9-21ksoftirqd/021:35:220
2389599108,1cyclictest9-21ksoftirqd/000:35:000
153342100,1sleep30-21swapper/323:19:453
239019990,5cyclictest0-21swapper/321:40:013
239019990,3cyclictest14614-21/usr/sbin/munin21:50:223
239009998,1cyclictest28-21ksoftirqd/223:50:132
239009998,1cyclictest28-21ksoftirqd/222:10:002
239009998,1cyclictest28-21ksoftirqd/221:10:012
239009990,9cyclictest61650irq/122-eno123:47:152
238959998,1cyclictest9-21ksoftirqd/023:30:200
238959997,1cyclictest9-21ksoftirqd/020:49:590
238959997,1cyclictest9-21ksoftirqd/019:40:000
238959997,1cyclictest9-21ksoftirqd/000:15:120
238959992,6cyclictest1768-21sed23:45:010
1224290,0sleep10-21swapper/100:27:111
239019988,0cyclictest35-21ksoftirqd/322:05:163
239019986,1cyclictest11225-21cut21:45:123
239019984,3cyclictest0-21swapper/323:20:183
239009987,1cyclictest0-21swapper/221:57:352
239009986,1cyclictest61650irq/122-eno100:35:142
239009986,1cyclictest61650irq/122-eno100:23:382
239009985,2cyclictest61650irq/122-eno121:32:362
239009983,2cyclictest240-21systemd-journal00:17:182
239009982,3cyclictest16588-21diskmemload23:00:182
239009980,8cyclictest0-21swapper/222:25:462
239009980,5cyclictest10621-21if_err_eno120:55:152
238969981,4cyclictest0-21swapper/120:40:001
238959988,0cyclictest9-21ksoftirqd/022:30:200
238959988,0cyclictest9-21ksoftirqd/022:20:190
238959987,1cyclictest9-21ksoftirqd/021:20:010
238959987,1cyclictest9-21ksoftirqd/019:50:130
238959987,1cyclictest9-21ksoftirqd/000:40:010
238959986,1cyclictest9-21ksoftirqd/020:25:160
238959984,2cyclictest240-21systemd-journal19:49:590
238959982,6cyclictest8182-21perf23:10:000
238959982,4cyclictest29218-21apt-get22:10:110
238959981,4cyclictest0-21swapper/020:10:120
238959980,7cyclictest31561-21taskset21:29:320
238959980,4cyclictest0-21swapper/022:00:120
238959980,1cyclictest1177-21tr20:35:150
239019977,0cyclictest35-21ksoftirqd/320:50:173
239019976,1cyclictest35-21ksoftirqd/320:08:243
239019975,1cyclictest4820-21ssh00:31:593
239019975,1cyclictest18695-21ssh00:06:133
239019974,2cyclictest31913-21sh22:13:043
239019974,1cyclictest240-21systemd-journal22:50:013
239019973,2cyclictest548-21systemd-logind22:25:183
239019972,4cyclictest9816-21kworker/u8:021:13:273
239019972,4cyclictest1-21systemd22:59:073
239019972,2cyclictest0-21swapper/321:15:123
239019971,5cyclictest0-21swapper/322:50:083
239019970,6cyclictest16746-1kworker/u9:221:55:183
239019970,4cyclictest0-21swapper/320:40:113
239019970,3cyclictest0-21swapper/322:22:503
239009976,1cyclictest940-21cat20:35:142
239009976,1cyclictest61650irq/122-eno123:10:192
239009976,1cyclictest28-21ksoftirqd/222:21:022
239009976,1cyclictest28-21ksoftirqd/222:05:012
239009976,1cyclictest28-21ksoftirqd/219:25:012
239009975,1cyclictest61650irq/122-eno123:55:132
239009975,1cyclictest61650irq/122-eno122:35:152
239009975,1cyclictest61650irq/122-eno120:10:172
239009975,1cyclictest28-21ksoftirqd/219:45:112
239009975,1cyclictest28-21ksoftirqd/219:20:002
239009975,1cyclictest19111-21perf23:24:592
239009973,1cyclictest240-21systemd-journal22:45:462
239009971,4cyclictest16588-21diskmemload23:40:122
239009971,3cyclictest0-21swapper/200:00:112
239009970,1cyclictest0-21swapper/221:26:322
238969970,4cyclictest0-21swapper/121:51:571
238969970,4cyclictest0-21swapper/100:20:161
238969970,3cyclictest0-21swapper/123:15:121
238959976,1cyclictest9-21ksoftirqd/021:30:150
238959976,1cyclictest9-21ksoftirqd/000:20:150
238959976,1cyclictest10885-21ssh21:45:000
238959975,1cyclictest9572-21ntpq23:10:170
238959975,1cyclictest9-21ksoftirqd/019:15:010
238959975,1cyclictest4781-21ssh23:48:180
238959975,1cyclictest21711-21ssh22:43:550
238959971,3cyclictest29866-21apt-get22:55:120
238959971,3cyclictest16588-21diskmemload21:56:350
238959970,6cyclictest8088-21cstates22:25:120
238959970,6cyclictest7613-21ssh23:50:530
238959970,6cyclictest27830-21fschecks_time23:35:140
238959970,6cyclictest19121-21awk23:24:590
238959970,6cyclictest16588-21diskmemload00:00:110
238959970,6cyclictest15733-21fschecks_time22:35:140
238959970,6cyclictest13198-21ssh23:15:160
238959970,6cyclictest0-21swapper/020:17:130
238959970,4cyclictest14281-21date21:04:590
238959970,2cyclictest0-21swapper/019:40:140
238959970,1cyclictest0-21swapper/023:59:540
238959970,1cyclictest0-21swapper/023:25:110
238959970,0cyclictest0-21swapper/019:20:200
1803270,0sleep20-21swapper/219:30:102
239019965,1cyclictest9581-21ntpq23:10:163
239019965,1cyclictest7124-21ssh23:07:033
239019965,1cyclictest25118-21ntpq00:15:173
239019965,1cyclictest23136-21ntpq22:00:173
239019965,1cyclictest20295-21cat23:25:143
239019965,1cyclictest15039-21ssh22:35:123
239019964,1cyclictest316-21ssh23:41:003
239019964,1cyclictest22260-21ssh00:10:563
239019963,1cyclictest240-21systemd-journal21:40:003
239019963,1cyclictest240-21systemd-journal00:40:003
239019963,0cyclictest16588-21diskmemload21:30:183
239019962,3cyclictest15974-21apt-get20:00:123
239019962,2cyclictest16588-21diskmemload23:02:243
239019961,4cyclictest9741-21apt-get20:55:123
239019961,4cyclictest0-21swapper/321:20:023
239019961,3cyclictest2007-21apt-get23:45:123
239019961,2cyclictest16588-21diskmemload23:55:123
239019961,2cyclictest16588-21diskmemload23:52:163
239019961,2cyclictest16588-21diskmemload00:04:203
239019960,6cyclictest0-21swapper/323:37:203
239019960,6cyclictest0-21swapper/323:30:083
239019960,3cyclictest240-21systemd-journal20:49:143
239019960,2cyclictest0-21swapper/322:40:453
239019960,1cyclictest0-21swapper/300:25:513
239019960,1cyclictest0-21swapper/300:20:373
239009966,0cyclictest61650irq/122-eno123:31:242
239009966,0cyclictest61650irq/122-eno123:05:082
239009966,0cyclictest61650irq/122-eno122:40:322
239009966,0cyclictest61650irq/122-eno122:10:112
239009966,0cyclictest61650irq/122-eno121:50:442
239009966,0cyclictest61650irq/122-eno121:40:192
239009966,0cyclictest61650irq/122-eno121:35:202
239009966,0cyclictest61650irq/122-eno121:15:192
239009966,0cyclictest61650irq/122-eno121:11:362
239009966,0cyclictest61650irq/122-eno120:45:142
239009966,0cyclictest61650irq/122-eno120:21:292
239009966,0cyclictest61650irq/122-eno120:17:532
239009966,0cyclictest61650irq/122-eno119:35:152
239009966,0cyclictest61650irq/122-eno119:25:152
239009966,0cyclictest61650irq/122-eno100:10:592
239009965,1cyclictest61650irq/122-eno122:55:172
239009965,1cyclictest28-21ksoftirqd/219:45:012
239009965,1cyclictest28-21ksoftirqd/200:27:282
239009965,0cyclictest27776-21apt-get20:25:132
239009964,1cyclictest61650irq/122-eno120:40:102
239009964,1cyclictest61650irq/122-eno120:05:132
239009964,1cyclictest28-21ksoftirqd/220:30:152
239009962,1cyclictest19384-21apt-get23:25:112
239009960,5cyclictest0-21swapper/221:00:152
239009960,4cyclictest28922-21chrt23:35:252
239009960,1cyclictest1453-21memory22:15:182
238969961,3cyclictest0-21swapper/122:33:571
238969961,1cyclictest0-21swapper/120:05:141
238969960,6cyclictest0-21swapper/122:40:161
238969960,6cyclictest0-21swapper/122:27:131
238969960,4cyclictest0-21swapper/122:18:131
238969960,3cyclictest0-21swapper/123:25:051
238969960,3cyclictest0-21swapper/121:46:121
238969960,3cyclictest0-21swapper/121:20:401
238969960,3cyclictest0-21swapper/100:08:231
238969960,2cyclictest0-21swapper/122:45:111
238969960,0cyclictest0-21swapper/123:35:191
238969960,0cyclictest0-21swapper/121:41:551
238959965,1cyclictest9-21ksoftirqd/020:50:000
238959965,1cyclictest25002-21cat19:10:220
238959965,1cyclictest18811-21ssh00:06:350
238959964,1cyclictest25415-21/usr/sbin/munin20:20:150
238959964,1cyclictest15735-21latency_hist20:00:000
238959960,6cyclictest0-21swapper/021:05:550
238959960,5cyclictest0-21swapper/019:30:100
238959960,4cyclictest240-21systemd-journal20:05:130
238959960,1cyclictest18742-21ssh21:10:560
238959960,0cyclictest1121-21apt-get23:00:130
238959960,0cyclictest0-21swapper/022:45:090
238959960,0cyclictest0-21swapper/021:50:160
6785250,0sleep10-21swapper/120:48:431
239019954,1cyclictest35-21ksoftirqd/319:55:383
239019954,1cyclictest28941-21ntpq20:25:203
239019954,1cyclictest22658-21sshd20:13:243
239019953,1cyclictest5798-21/usr/sbin/munin19:35:213
239019953,1cyclictest26284-21cat19:15:003
239019952,1cyclictest240-21systemd-journal20:17:013
239019952,1cyclictest240-21systemd-journal19:42:423
239019951,1cyclictest3210-21python19:30:193
239019950,5cyclictest0-21swapper/320:32:173
239019950,4cyclictest0-21swapper/319:25:153
239019950,2cyclictest240-21systemd-journal19:50:113
239019950,1cyclictest15905-21switchtime21:05:223
239019950,1cyclictest12578-21ntp_states22:30:183
239009955,0cyclictest61650irq/122-eno119:55:052
239009955,0cyclictest28-21ksoftirqd/220:00:122
239009954,1cyclictest61650irq/122-eno120:50:012
238969955,0cyclictest0-21swapper/123:02:041
238969955,0cyclictest0-21swapper/121:10:051
238969955,0cyclictest0-21swapper/121:01:191
238969954,1cyclictest0-21swapper/100:00:141
238969954,0cyclictest0-21swapper/123:50:011
238969953,1cyclictest31528-21chrt21:29:271
238969952,2cyclictest0-21swapper/120:00:201
238969951,3cyclictest0-21swapper/119:25:101
238969951,2cyclictest0-21swapper/119:50:111
238969950,5cyclictest0-21swapper/123:59:471
238969950,5cyclictest0-21swapper/123:09:561
238969950,5cyclictest0-21swapper/122:55:011
238969950,5cyclictest0-21swapper/122:21:271
238969950,5cyclictest0-21swapper/121:59:031
238969950,5cyclictest0-21swapper/121:36:411
238969950,5cyclictest0-21swapper/121:30:161
238969950,5cyclictest0-21swapper/119:33:311
238969950,5cyclictest0-21swapper/100:13:231
238969950,3cyclictest0-21swapper/122:51:211
238969950,3cyclictest0-21swapper/122:12:201
238969950,3cyclictest0-21swapper/121:15:431
238969950,3cyclictest0-21swapper/100:18:021
238969950,2cyclictest0-21swapper/122:03:241
238969950,1cyclictest0-21swapper/123:50:441
238969950,1cyclictest0-21swapper/123:44:261
238969950,1cyclictest0-21swapper/123:20:121
238969950,1cyclictest0-21swapper/122:35:231
238969950,1cyclictest0-21swapper/119:42:141
238969950,1cyclictest0-21swapper/100:35:121
238969950,0cyclictest0-21swapper/100:31:301
238959954,1cyclictest9-21ksoftirqd/020:55:140
238959950,4cyclictest31875-21/usr/sbin/munin19:25:180
239019942,1cyclictest32477-21apt-get20:35:093
239019942,1cyclictest14335-21latency_hist21:04:593
239019941,2cyclictest8890-21apt-get19:45:123
239019941,1cyclictest27103-21munin-node19:15:013
239019940,2cyclictest29644-21cut19:20:123
239019940,1cyclictest240-21systemd-journal20:22:573
238969944,0cyclictest0-21swapper/120:51:461
238969942,1cyclictest290262sleep119:17:031
238969940,4cyclictest0-21swapper/120:40:421
238969940,3cyclictest22533-21taskset20:11:451
238969940,3cyclictest0-21swapper/123:30:091
238969940,2cyclictest0-21swapper/122:05:111
238969940,1cyclictest0-21swapper/121:05:161
238969940,1cyclictest0-21swapper/120:15:131
238969940,1cyclictest0-21swapper/119:35:151
238969940,1cyclictest0-21swapper/119:14:591
238969940,0cyclictest0-21swapper/120:25:221
238969940,0cyclictest0-21swapper/119:55:191
238969931,1cyclictest0-21swapper/120:55:121
238969931,1cyclictest0-21swapper/119:45:121
238969931,1cyclictest0-21swapper/119:20:121
238969930,1cyclictest0-21swapper/120:20:151
238969930,0cyclictest298782sleep120:30:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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