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2026-04-23 - 06:26
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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 Thu Apr 23, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
55382218152,22sleep20-21swapper/219:09:522
54752218151,53sleep30-21swapper/319:09:043
52412203150,22sleep00-21swapper/019:06:000
54682198161,24sleep10-21swapper/119:08:591
5652991919,0cyclictest28-21ksoftirqd/222:00:342
15332180,0sleep10-21swapper/121:13:371
5652991615,1cyclictest28-21ksoftirqd/223:10:112
5652991514,1cyclictest28-21ksoftirqd/222:35:142
5652991513,1cyclictest28-21ksoftirqd/219:55:202
5647991514,1cyclictest0-21swapper/119:15:111
196152150,0sleep20-21swapper/222:20:062
5652991414,0cyclictest28-21ksoftirqd/200:26:152
5652991312,1cyclictest28-21ksoftirqd/222:55:152
5652991312,1cyclictest28-21ksoftirqd/221:10:122
5652991312,1cyclictest28-21ksoftirqd/219:35:142
5652991311,1cyclictest28-21ksoftirqd/223:30:212
5639991311,1cyclictest9-21ksoftirqd/021:35:000
565299125,6cyclictest28-21ksoftirqd/220:45:002
5652991212,0cyclictest28-21ksoftirqd/223:15:562
5652991212,0cyclictest28-21ksoftirqd/221:57:462
5652991212,0cyclictest28-21ksoftirqd/200:37:122
5652991211,1cyclictest28-21ksoftirqd/221:15:132
5652991211,1cyclictest28-21ksoftirqd/220:11:182
5652991211,1cyclictest28-21ksoftirqd/200:12:062
5652991210,1cyclictest28-21ksoftirqd/222:10:002
563999120,8cyclictest569-21nscd21:45:110
22462120,1sleep32252-21timerandwakeup21:55:203
566199110,10cyclictest13286-21switchtime20:30:193
565299119,1cyclictest28-21ksoftirqd/223:05:142
565299119,1cyclictest28-21ksoftirqd/219:15:182
5652991111,0cyclictest28-21ksoftirqd/200:15:112
5652991110,1cyclictest28-21ksoftirqd/222:40:132
5652991110,1cyclictest28-21ksoftirqd/221:40:132
5652991110,1cyclictest28-21ksoftirqd/221:20:132
5652991110,1cyclictest28-21ksoftirqd/220:05:182
5652991110,1cyclictest28-21ksoftirqd/219:45:192
563999119,1cyclictest9-21ksoftirqd/022:35:210
563999119,1cyclictest9-21ksoftirqd/000:19:590
566199100,6cyclictest561-21nscd22:35:083
565299109,1cyclictest28-21ksoftirqd/223:37:252
565299109,1cyclictest28-21ksoftirqd/223:27:182
565299109,1cyclictest28-21ksoftirqd/223:22:192
565299109,1cyclictest28-21ksoftirqd/222:33:402
565299109,1cyclictest28-21ksoftirqd/222:15:122
565299109,1cyclictest28-21ksoftirqd/222:11:122
565299109,1cyclictest28-21ksoftirqd/222:11:122
565299109,1cyclictest28-21ksoftirqd/221:25:212
565299109,1cyclictest28-21ksoftirqd/200:20:072
565299108,1cyclictest28-21ksoftirqd/223:05:002
565299108,1cyclictest28-21ksoftirqd/221:30:192
565299108,1cyclictest28-21ksoftirqd/221:10:002
565299108,1cyclictest28-21ksoftirqd/221:00:002
565299108,1cyclictest28-21ksoftirqd/220:39:592
565299108,1cyclictest28-21ksoftirqd/219:25:002
565299108,1cyclictest28-21ksoftirqd/200:10:012
5652991010,0cyclictest28-21ksoftirqd/221:50:112
5652991010,0cyclictest28-21ksoftirqd/221:35:072
5652991010,0cyclictest28-21ksoftirqd/221:00:162
5652991010,0cyclictest28-21ksoftirqd/220:00:152
563999109,1cyclictest9-21ksoftirqd/022:10:140
563999109,1cyclictest9-21ksoftirqd/022:10:140
563999109,1cyclictest9-21ksoftirqd/020:10:000
563999108,1cyclictest9-21ksoftirqd/000:10:120
56619990,6cyclictest0-21swapper/323:15:113
56529998,1cyclictest28-21ksoftirqd/223:45:152
56529998,1cyclictest28-21ksoftirqd/222:50:042
56529998,1cyclictest28-21ksoftirqd/220:45:152
56529998,1cyclictest28-21ksoftirqd/220:30:272
56529998,1cyclictest28-21ksoftirqd/220:30:002
56529998,1cyclictest28-21ksoftirqd/220:20:002
56529998,1cyclictest28-21ksoftirqd/219:50:212
56529998,1cyclictest28-21ksoftirqd/219:40:162
56529998,1cyclictest28-21ksoftirqd/200:30:192
56529997,1cyclictest28-21ksoftirqd/223:55:122
56529997,1cyclictest28-21ksoftirqd/223:55:002
56529997,1cyclictest28-21ksoftirqd/222:50:002
56529995,3cyclictest28-21ksoftirqd/219:10:112
56399999,0cyclictest9-21ksoftirqd/019:35:160
56399998,1cyclictest9-21ksoftirqd/023:40:000
56399998,1cyclictest9-21ksoftirqd/019:30:000
56399997,1cyclictest9-21ksoftirqd/022:56:440
56399997,1cyclictest9-21ksoftirqd/022:15:150
56399997,1cyclictest9-21ksoftirqd/020:30:000
56399995,1cyclictest27756-21/usr/sbin/munin19:55:140
56399993,3cyclictest6112-21perf21:20:000
56399992,2cyclictest30698-21diskmemload23:28:050
56619987,1cyclictest35-21ksoftirqd/322:30:003
56619986,1cyclictest17998-21snmpd21:07:213
56619986,1cyclictest17998-21snmpd20:15:013
56619983,2cyclictest14959-21/usr/sbin/munin19:25:183
56529987,1cyclictest28-21ksoftirqd/223:45:002
56529987,1cyclictest28-21ksoftirqd/220:50:132
56529987,1cyclictest28-21ksoftirqd/200:00:152
56399988,0cyclictest9-21ksoftirqd/023:52:140
56399988,0cyclictest9-21ksoftirqd/019:50:150
56399988,0cyclictest9-21ksoftirqd/000:05:150
56399988,0cyclictest9-21ksoftirqd/000:00:160
56399987,1cyclictest9-21ksoftirqd/023:20:110
56399987,1cyclictest9-21ksoftirqd/023:15:010
56399987,1cyclictest9-21ksoftirqd/022:45:120
56399987,1cyclictest9-21ksoftirqd/022:00:130
56399987,1cyclictest9-21ksoftirqd/019:10:110
56399987,1cyclictest9-21ksoftirqd/000:20:110
56399987,1cyclictest20181-21ssh21:36:250
56399986,1cyclictest9-21ksoftirqd/022:50:140
56399986,1cyclictest9-21ksoftirqd/000:35:000
56399986,1cyclictest18014-21cpuspeed_turbos23:00:120
56399985,2cyclictest9-21ksoftirqd/021:25:170
56399985,1cyclictest240-21systemd-journal20:20:000
56399980,7cyclictest0-21swapper/021:43:270
56399980,4cyclictest6123-21perf22:45:000
56619977,0cyclictest35-21ksoftirqd/322:42:363
56619976,1cyclictest35-21ksoftirqd/319:15:003
56619976,1cyclictest22935-21sensors23:05:203
56619976,1cyclictest17998-21snmpd19:46:223
56619976,1cyclictest10050-21ntpq19:15:173
56619975,1cyclictest17998-21snmpd23:46:503
56619975,1cyclictest17998-21snmpd20:38:353
56619975,1cyclictest17998-21snmpd00:20:303
56619975,1cyclictest17051-21ntpq22:15:173
56619975,1cyclictest16849-21cat19:30:153
56619975,1cyclictest15646-21perf23:40:003
56619973,2cyclictest240-21systemd-journal21:35:003
56619972,0cyclictest30698-21diskmemload23:11:323
56619971,4cyclictest30698-21diskmemload22:10:523
56619971,4cyclictest30698-21diskmemload22:10:523
56619971,3cyclictest0-21swapper/300:15:103
56619970,4cyclictest0-21swapper/321:29:563
56619970,3cyclictest0-21swapper/300:32:163
56619970,1cyclictest0-21swapper/321:40:113
56529976,1cyclictest28-21ksoftirqd/222:25:032
56529976,1cyclictest28-21ksoftirqd/221:45:142
56529976,1cyclictest28-21ksoftirqd/219:30:172
56529975,1cyclictest61650irq/122-eno120:20:142
56479971,6cyclictest0-21swapper/121:34:551
56479971,6cyclictest0-21swapper/100:32:421
56479971,5cyclictest0-21swapper/120:06:341
56479971,3cyclictest0-21swapper/120:40:151
56479971,2cyclictest0-21swapper/122:00:111
56479971,1cyclictest0-21swapper/123:37:131
56479971,1cyclictest0-21swapper/122:42:521
56479971,1cyclictest0-21swapper/119:39:281
56479970,6cyclictest0-21swapper/123:16:101
56479970,6cyclictest0-21swapper/122:36:241
56479970,6cyclictest0-21swapper/121:19:191
56479970,6cyclictest0-21swapper/100:26:211
56479970,1cyclictest0-21swapper/121:45:341
56479970,1cyclictest0-21swapper/119:12:271
56399977,0cyclictest9-21ksoftirqd/019:30:110
56399976,1cyclictest9-21ksoftirqd/022:30:020
56399976,1cyclictest9-21ksoftirqd/021:10:130
56399976,1cyclictest9-21ksoftirqd/020:35:110
56399976,1cyclictest9-21ksoftirqd/020:30:140
56399976,1cyclictest9-21ksoftirqd/000:25:110
56399976,1cyclictest8822-21ssh21:22:020
56399976,1cyclictest32115-21ssh21:53:010
56399976,1cyclictest24722-1kworker/u9:123:10:190
56399976,1cyclictest23434-21/usr/sbin/munin22:25:170
56399976,1cyclictest17998-21snmpd20:10:020
56399975,1cyclictest9-21ksoftirqd/020:00:140
56399975,1cyclictest15943-21ssh23:40:120
56399970,6cyclictest8855-21tune2fs22:05:130
56399970,6cyclictest8459-21ssh23:30:140
56399970,6cyclictest30698-21diskmemload23:55:150
56399970,6cyclictest30698-21diskmemload23:45:120
56399970,6cyclictest27168-21ssh00:35:350
56399970,6cyclictest26226-21/usr/sbin/munin21:00:210
56399970,6cyclictest20726-21aten2.4-expect19:40:120
56399970,1cyclictest702-21apt-get21:55:110
56399970,1cyclictest21574-21ssh22:20:430
56399970,1cyclictest21485-21ssh23:05:100
56399970,1cyclictest0-21swapper/020:54:350
56619965,1cyclictest9899-21ssh21:24:523
56619965,1cyclictest8140-21ssh00:10:513
56619965,1cyclictest6855-21ssh23:26:433
56619965,1cyclictest6383-21ssh22:00:333
56619965,1cyclictest5102-21ssh00:07:533
56619965,1cyclictest35-21ksoftirqd/321:55:003
56619965,1cyclictest27738-21ssh21:46:263
56619965,1cyclictest25387-21ssh23:50:473
56619965,1cyclictest22701-21ssh22:23:483
56619965,1cyclictest20541-21ssh21:37:243
56619965,1cyclictest15938-21ssh22:55:583
56619965,1cyclictest12841-21ssh22:52:493
56619965,1cyclictest10587-21ssh23:31:343
56619964,1cyclictest668-21ssh21:11:313
56619964,1cyclictest3819-21python20:10:193
56619964,0cyclictest30698-21diskmemload23:20:183
56619963,1cyclictest240-21systemd-journal20:30:003
56619962,2cyclictest30698-21diskmemload23:55:073
56619962,2cyclictest25332-21aten_r1power_en00:35:113
56619961,3cyclictest12269-21memory19:20:153
56619961,2cyclictest0-21swapper/323:01:443
56619961,1cyclictest21702-21/usr/sbin/munin19:40:163
56619960,5cyclictest17998-21snmpd19:51:283
56619960,3cyclictest0-21swapper/322:45:353
56619960,3cyclictest0-21swapper/300:03:593
56619960,2cyclictest17707-21users23:40:223
56529965,1cyclictest7615-21kworker/2:019:25:112
56479963,3cyclictest0-21swapper/122:29:051
56479961,1cyclictest0-21swapper/122:55:171
56479960,6cyclictest0-21swapper/123:27:351
56479960,6cyclictest0-21swapper/122:13:301
56479960,6cyclictest0-21swapper/122:13:291
56479960,6cyclictest0-21swapper/121:29:461
56479960,6cyclictest0-21swapper/121:22:061
56479960,6cyclictest0-21swapper/119:34:061
56479960,6cyclictest0-21swapper/119:29:041
56479960,5cyclictest0-21swapper/123:55:121
56479960,5cyclictest0-21swapper/123:43:211
56479960,5cyclictest0-21swapper/123:21:261
56479960,5cyclictest0-21swapper/122:51:391
56479960,5cyclictest0-21swapper/122:16:351
56479960,5cyclictest0-21swapper/121:55:311
56479960,5cyclictest0-21swapper/120:55:171
56479960,4cyclictest0-21swapper/123:45:151
56479960,4cyclictest0-21swapper/122:30:111
56479960,4cyclictest0-21swapper/100:20:131
56479960,4cyclictest0-21swapper/100:12:321
56479960,3cyclictest0-21swapper/121:44:251
56479960,3cyclictest0-21swapper/121:05:161
56479960,2cyclictest0-21swapper/122:45:161
56479960,1cyclictest0-21swapper/100:15:541
56479960,1cyclictest0-21swapper/100:00:441
56399964,1cyclictest9-21ksoftirqd/019:15:120
56399960,6cyclictest9-21ksoftirqd/020:55:160
56399960,6cyclictest0-21swapper/021:05:130
56399960,5cyclictest7995-21kworker/0:020:20:110
56399960,5cyclictest16591-21/usr/sbin/munin20:40:160
56399960,5cyclictest0-21swapper/019:45:110
56399960,1cyclictest11263-21/usr/sbin/munin19:20:170
56399960,0cyclictest0-21swapper/020:45:030
56619955,0cyclictest0-21swapper/320:48:383
56619955,0cyclictest0-21swapper/319:55:483
56619954,1cyclictest4444-21ssh21:15:593
56619954,1cyclictest35-21ksoftirqd/320:20:583
56619954,1cyclictest35-21ksoftirqd/320:06:113
56619954,1cyclictest17998-21snmpd20:43:453
56619953,1cyclictest17998-21snmpd00:25:043
56619952,2cyclictest21298-21apt-get20:50:103
56619951,2cyclictest0-21swapper/319:35:143
56619950,3cyclictest0-21swapper/322:06:493
56619950,2cyclictest0-21swapper/322:30:533
56619950,2cyclictest0-21swapper/321:00:123
56479955,0cyclictest0-21swapper/122:21:591
56479951,3cyclictest0-21swapper/120:30:111
56479951,2cyclictest0-21swapper/121:50:181
56479950,5cyclictest0-21swapper/123:05:331
56479950,5cyclictest0-21swapper/120:45:081
56479950,5cyclictest0-21swapper/119:23:421
56479950,4cyclictest0-21swapper/120:15:131
56479950,4cyclictest0-21swapper/100:07:291
56479950,3cyclictest0-21swapper/123:52:541
56479950,3cyclictest0-21swapper/119:55:181
56479950,2cyclictest0-21swapper/121:37:581
56479950,2cyclictest0-21swapper/120:20:131
56479950,2cyclictest0-21swapper/119:50:001
56479950,1cyclictest0-21swapper/123:33:341
56479950,1cyclictest0-21swapper/122:05:521
56479950,1cyclictest0-21swapper/100:37:581
56479950,0cyclictest0-21swapper/123:00:101
32169250,1sleep10-21swapper/120:04:101
56619942,1cyclictest24138-21expr20:55:133
56619941,1cyclictest0-21swapper/320:00:123
56479941,2cyclictest0-21swapper/120:25:111
56479941,0cyclictest0-21swapper/120:35:121
56479940,2cyclictest0-21swapper/123:10:111
56479940,2cyclictest0-21swapper/119:50:131
56479940,1cyclictest0-21swapper/120:10:141
56479940,1cyclictest0-21swapper/119:45:001
56479940,0cyclictest0-21swapper/121:00:121
56479940,0cyclictest0-21swapper/120:50:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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