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2026-03-11 - 01:22
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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 Wed Mar 11, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
220382214150,21sleep00-21swapper/019:06:030
220872210177,21sleep20-21swapper/219:06:412
220912207150,22sleep10-21swapper/119:06:451
220212198160,24sleep30-21swapper/319:05:503
301052630,0sleep10-21swapper/120:30:191
191592170,0sleep10-21swapper/123:17:121
2242699124,4cyclictest24168-21perf23:25:000
2244099119,1cyclictest35-21ksoftirqd/321:30:003
22440991110,1cyclictest35-21ksoftirqd/319:39:593
22440991110,1cyclictest35-21ksoftirqd/300:05:003
2242699119,1cyclictest9-21ksoftirqd/021:49:590
2242699113,4cyclictest12745-21sed21:05:010
22426991110,1cyclictest9-21ksoftirqd/019:34:590
22426991110,1cyclictest0-21swapper/020:30:130
2244099109,1cyclictest35-21ksoftirqd/322:40:003
2244099109,1cyclictest35-21ksoftirqd/321:25:003
2244099109,1cyclictest35-21ksoftirqd/321:05:013
2242699109,1cyclictest9-21ksoftirqd/022:55:150
2242699108,1cyclictest9-21ksoftirqd/019:52:170
2242699102,4cyclictest9792-21cat22:24:590
224409999,0cyclictest35-21ksoftirqd/323:55:013
224409997,1cyclictest35-21ksoftirqd/323:20:013
224409995,3cyclictest568-21nscd20:15:183
224409991,6cyclictest548-21systemd-logind21:59:073
224329998,1cyclictest372-21sh22:11:032
224329998,1cyclictest28-21ksoftirqd/222:24:592
224329997,1cyclictest28-21ksoftirqd/221:10:012
224329997,1cyclictest28-21ksoftirqd/220:25:002
224329993,5cyclictest22421-21cyclictest22:05:182
224329990,8cyclictest0-21swapper/200:01:242
224269998,1cyclictest9-21ksoftirqd/022:40:100
224269998,1cyclictest9-21ksoftirqd/022:15:010
224269998,1cyclictest9-21ksoftirqd/022:05:010
224269998,1cyclictest9-21ksoftirqd/021:45:000
224269998,1cyclictest9-21ksoftirqd/019:25:010
224269997,1cyclictest9-21ksoftirqd/023:50:130
224269997,1cyclictest9-21ksoftirqd/023:30:110
224269997,1cyclictest9-21ksoftirqd/020:55:000
224269997,1cyclictest498-21ssh21:30:180
224269991,4cyclictest23435-21wc21:20:010
224269990,5cyclictest8629-21latency_hist23:05:010
224269990,4cyclictest4863-21cut19:40:000
224269990,4cyclictest16819-21latency_hist20:05:010
224269990,1cyclictest548-21systemd-logind00:10:190
224409987,1cyclictest35-21ksoftirqd/320:54:593
224409987,1cyclictest35-21ksoftirqd/320:05:013
224409987,0cyclictest35-21ksoftirqd/300:15:143
224409986,1cyclictest707-21snmpd21:47:323
224409986,1cyclictest707-21snmpd20:26:023
224409986,1cyclictest707-21snmpd19:55:333
224409986,1cyclictest35-21ksoftirqd/321:00:013
224409983,2cyclictest707-21snmpd23:40:503
224409983,1cyclictest15064-21diskmemload23:57:353
224409981,6cyclictest19161-21kworker/u8:222:30:103
224329987,1cyclictest28-21ksoftirqd/200:17:332
224329986,1cyclictest707-21snmpd22:37:452
224329986,1cyclictest707-21snmpd21:27:362
224329986,1cyclictest707-21snmpd21:17:012
224329986,1cyclictest707-21snmpd20:03:012
224329986,1cyclictest61650irq/122-eno123:20:112
224329986,1cyclictest61650irq/122-eno122:40:112
224329986,1cyclictest61650irq/122-eno121:20:092
224329986,1cyclictest61650irq/122-eno100:40:002
224329986,1cyclictest28-21ksoftirqd/222:55:012
224329986,1cyclictest0-21swapper/200:33:522
224329985,2cyclictest32521-21cron19:29:592
224329984,3cyclictest22421-21cyclictest22:45:402
224329981,5cyclictest0-21swapper/220:38:402
224309980,7cyclictest0-21swapper/120:50:131
224269988,0cyclictest9-21ksoftirqd/022:15:150
224269987,1cyclictest9-21ksoftirqd/023:55:120
224269987,1cyclictest9-21ksoftirqd/023:40:180
224269987,1cyclictest9-21ksoftirqd/020:55:130
224269987,1cyclictest9-21ksoftirqd/020:25:000
224269987,1cyclictest9-21ksoftirqd/020:15:000
224269987,1cyclictest9-21ksoftirqd/019:15:010
224269987,1cyclictest9-21ksoftirqd/000:25:120
224269987,1cyclictest9-21ksoftirqd/000:00:120
224269987,0cyclictest9-21ksoftirqd/019:45:000
224269986,1cyclictest9-21ksoftirqd/019:29:590
224269986,1cyclictest707-21snmpd21:07:270
224269986,1cyclictest707-21snmpd20:29:440
224269982,5cyclictest15269-21ssh21:50:110
224269980,7cyclictest266542sleep022:45:140
224269980,1cyclictest18187-21ssh21:13:160
13481280,0sleep10-21swapper/122:29:391
224409977,0cyclictest35-21ksoftirqd/321:10:013
224409977,0cyclictest35-21ksoftirqd/300:05:083
224409976,1cyclictest731-21sensors21:30:183
224409976,1cyclictest707-21snmpd00:33:283
224409976,1cyclictest35-21ksoftirqd/320:35:003
224409976,1cyclictest1200-21cat19:30:143
224409975,1cyclictest707-21snmpd23:06:263
224409975,1cyclictest707-21snmpd19:43:343
224409975,1cyclictest35-21ksoftirqd/323:10:133
224409975,1cyclictest35-21ksoftirqd/320:40:003
224409975,1cyclictest35-21ksoftirqd/319:28:543
224409975,1cyclictest2502-21ssh00:20:083
224409975,1cyclictest20994-21ssh21:15:213
224409974,1cyclictest240-21systemd-journal00:30:003
224409972,4cyclictest21534-21perf20:15:013
224409970,7cyclictest0-21swapper/319:50:543
224409970,5cyclictest1081-21ssh22:55:043
224409970,5cyclictest0-21swapper/322:10:273
224409970,3cyclictest0-21swapper/300:35:133
224409970,2cyclictest0-21swapper/321:15:003
224329976,1cyclictest61650irq/122-eno123:25:122
224329976,1cyclictest61650irq/122-eno123:05:112
224329976,1cyclictest61650irq/122-eno122:00:102
224329976,1cyclictest61650irq/122-eno121:50:522
224329976,1cyclictest61650irq/122-eno121:35:002
224329976,1cyclictest61650irq/122-eno121:00:172
224329976,1cyclictest61650irq/122-eno119:40:002
224329976,1cyclictest28-21ksoftirqd/223:05:012
224329976,1cyclictest28-21ksoftirqd/221:35:002
224329975,1cyclictest707-21snmpd20:44:452
224329975,1cyclictest707-21snmpd20:15:592
224329975,1cyclictest707-21snmpd00:06:032
224329975,1cyclictest61650irq/122-eno123:15:132
224329975,1cyclictest61650irq/122-eno122:55:132
224329975,1cyclictest61650irq/122-eno121:42:282
224329975,1cyclictest61650irq/122-eno100:25:172
224329972,4cyclictest30162-21cron19:25:012
224329971,6cyclictest0-21swapper/222:19:232
224329971,5cyclictest15353-21apt-get23:55:122
224329971,2cyclictest0-21swapper/222:32:332
224329970,4cyclictest25673-21apt-get19:15:112
224309972,2cyclictest0-21swapper/100:00:001
224309971,6cyclictest0-21swapper/122:49:281
224309971,5cyclictest0-21swapper/123:35:181
224309971,2cyclictest0-21swapper/122:10:171
224309970,7cyclictest0-21swapper/120:07:361
224309970,4cyclictest0-21swapper/100:10:001
224309970,3cyclictest0-21swapper/121:25:111
224269976,1cyclictest9550-21ssh23:45:480
224269976,1cyclictest9-21ksoftirqd/023:10:120
224269976,1cyclictest9-21ksoftirqd/021:55:130
224269976,1cyclictest9-21ksoftirqd/020:05:160
224269976,1cyclictest9-21ksoftirqd/019:55:190
224269976,1cyclictest9-21ksoftirqd/000:20:220
224269975,1cyclictest9-21ksoftirqd/023:25:130
224269975,1cyclictest9-21ksoftirqd/022:35:130
224269975,1cyclictest9-21ksoftirqd/021:25:110
224269975,1cyclictest707-21snmpd22:32:270
224269975,1cyclictest28076-21ssh22:05:170
224269975,1cyclictest11181-21ssh23:06:380
224269972,2cyclictest23310-21apt-get00:05:130
224269971,6cyclictest26614-21ssh21:23:050
224269971,2cyclictest16355-21ssh00:36:190
224269971,1cyclictest31304-21ssh22:50:260
224269970,6cyclictest3645-21ssh21:35:120
224269970,6cyclictest1103-21ssh23:35:200
224269970,6cyclictest0-21swapper/020:15:160
224269970,1cyclictest31066-21apt-get00:15:110
224269970,1cyclictest0-21swapper/023:15:120
224409966,0cyclictest35-21ksoftirqd/321:50:133
224409965,1cyclictest8548-21ssh22:21:563
224409965,1cyclictest707-21snmpd20:23:163
224409965,1cyclictest6953-21ssh23:00:443
224409965,1cyclictest35-21ksoftirqd/319:11:173
224409965,1cyclictest3284-21ssh23:39:443
224409965,1cyclictest31680-21ssh23:34:213
224409965,1cyclictest31316-21ssh22:50:283
224409965,1cyclictest23374-21ssh23:23:013
224409965,1cyclictest21656-21ssh22:40:033
224409965,1cyclictest10397-21ssh21:43:143
224409964,1cyclictest707-21snmpd23:45:063
224409964,1cyclictest707-21snmpd20:43:033
224409964,1cyclictest35-21ksoftirqd/322:15:153
224409964,1cyclictest35-21ksoftirqd/321:35:143
224409964,1cyclictest29676-21ssh00:12:103
224409963,2cyclictest10607-21fschecks_count22:25:123
224409961,1cyclictest0-21swapper/320:45:103
224409960,6cyclictest24855-21ssh22:00:243
224409960,2cyclictest28058-21tr22:05:163
224329966,0cyclictest61650irq/122-eno123:46:022
224329966,0cyclictest61650irq/122-eno123:43:352
224329966,0cyclictest61650irq/122-eno123:35:072
224329966,0cyclictest61650irq/122-eno123:30:122
224329966,0cyclictest61650irq/122-eno123:10:112
224329966,0cyclictest61650irq/122-eno122:25:122
224329966,0cyclictest61650irq/122-eno121:10:142
224329966,0cyclictest61650irq/122-eno120:52:552
224329966,0cyclictest61650irq/122-eno120:48:452
224329966,0cyclictest61650irq/122-eno120:30:222
224329966,0cyclictest61650irq/122-eno120:13:222
224329966,0cyclictest61650irq/122-eno119:47:022
224329966,0cyclictest61650irq/122-eno100:10:102
224329966,0cyclictest28-21ksoftirqd/219:50:112
224329965,1cyclictest6189-21ntpq19:40:172
224329965,1cyclictest61650irq/122-eno123:50:112
224329965,1cyclictest61650irq/122-eno121:55:122
224329965,1cyclictest61650irq/122-eno121:45:092
224329965,1cyclictest61650irq/122-eno119:11:132
224329964,1cyclictest61650irq/122-eno121:00:012
224329964,1cyclictest61650irq/122-eno119:55:112
224329964,1cyclictest28-21ksoftirqd/200:20:112
224329960,2cyclictest0-21swapper/219:30:122
224329960,1cyclictest0-21swapper/220:29:502
224309961,5cyclictest0-21swapper/122:30:471
224309961,3cyclictest0-21swapper/120:45:111
224309961,1cyclictest0-21swapper/121:55:131
224309961,1cyclictest0-21swapper/100:15:121
224309960,6cyclictest0-21swapper/122:40:551
224309960,6cyclictest0-21swapper/120:44:061
224309960,5cyclictest0-21swapper/122:56:391
224309960,5cyclictest0-21swapper/119:35:441
224309960,5cyclictest0-21swapper/100:28:261
224309960,4cyclictest0-21swapper/123:24:241
224309960,3cyclictest0-21swapper/121:40:141
224309960,2cyclictest0-21swapper/120:10:121
224309960,2cyclictest0-21swapper/120:00:121
224309960,1cyclictest0-21swapper/122:00:141
224309960,1cyclictest0-21swapper/121:31:161
224269966,0cyclictest9-21ksoftirqd/020:35:130
224269966,0cyclictest9-21ksoftirqd/000:30:160
224269965,1cyclictest9-21ksoftirqd/019:40:130
224269965,1cyclictest10003-21ssh22:25:060
224269964,1cyclictest9-21ksoftirqd/020:40:550
224269964,1cyclictest9-21ksoftirqd/019:10:050
224409954,1cyclictest8966-21systemctl19:45:193
224409954,1cyclictest35-21ksoftirqd/319:23:413
224409953,1cyclictest35-21ksoftirqd/319:15:003
224409953,1cyclictest24453-21aten2.4-expect23:25:123
224409951,1cyclictest0-21swapper/322:45:053
224329955,0cyclictest61650irq/122-eno120:07:582
224309955,0cyclictest0-21swapper/122:05:131
224309955,0cyclictest0-21swapper/100:24:011
224309953,2cyclictest0-21swapper/123:52:391
224309953,1cyclictest7698-21chrt22:20:211
224309951,3cyclictest0-21swapper/121:15:101
224309951,2cyclictest0-21swapper/121:50:121
224309951,2cyclictest0-21swapper/119:25:211
224309951,1cyclictest0-21swapper/123:07:161
224309950,5cyclictest0-21swapper/123:57:061
224309950,5cyclictest0-21swapper/121:21:371
224309950,5cyclictest0-21swapper/120:24:191
224309950,5cyclictest0-21swapper/119:17:131
224309950,4cyclictest0-21swapper/123:44:231
224309950,4cyclictest0-21swapper/120:20:011
224309950,3cyclictest0-21swapper/122:15:201
224309950,3cyclictest0-21swapper/121:36:541
224309950,3cyclictest0-21swapper/120:25:101
224309950,2cyclictest0-21swapper/123:45:121
224309950,2cyclictest0-21swapper/100:33:121
224309950,0cyclictest0-21swapper/100:39:141
224269950,0cyclictest0-21swapper/020:45:170
224409943,1cyclictest35-21ksoftirqd/320:05:123
224309944,0cyclictest0-21swapper/121:10:121
224309943,1cyclictest101562sleep120:57:511
224309941,2cyclictest0-21swapper/119:40:111
224309940,3cyclictest0-21swapper/122:50:201
224309940,3cyclictest0-21swapper/121:45:161
224309940,3cyclictest0-21swapper/121:10:011
224309940,2cyclictest0-21swapper/123:30:201
224309940,2cyclictest0-21swapper/123:00:091
224309940,2cyclictest0-21swapper/119:30:101
224309940,2cyclictest0-21swapper/119:10:121
224309940,1cyclictest0-21swapper/119:45:011
224309940,1cyclictest0-21swapper/119:23:541
224309940,1cyclictest0-21swapper/100:10:141
224309940,0cyclictest0-21swapper/123:25:201
224309940,0cyclictest0-21swapper/123:10:201
224309940,0cyclictest0-21swapper/122:35:101
224309940,0cyclictest0-21swapper/119:50:141
224309931,1cyclictest0-21swapper/119:55:101
224309930,1cyclictest0-21swapper/121:00:121
224309930,0cyclictest0-21swapper/120:35:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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