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2026-06-28 - 16:55
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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 Sun Jun 28, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
277472212160,26sleep30-21swapper/307:09:083
275952205156,23sleep00-21swapper/007:07:080
276022199159,26sleep20-21swapper/207:07:142
275462198160,24sleep10-21swapper/107:06:301
308782600,0sleep10-21swapper/110:50:141
2790499150,12cyclictest0-21swapper/008:50:090
2792399130,13cyclictest0-21swapper/211:50:112
27932991210,1cyclictest35-21ksoftirqd/310:55:003
2792399100,10cyclictest0-21swapper/211:21:582
2792399100,10cyclictest0-21swapper/210:12:492
124782100,0sleep10-21swapper/111:10:011
279329998,1cyclictest35-21ksoftirqd/312:00:133
279329993,5cyclictest11757-21kworker/u8:011:13:103
279239993,4cyclictest27887-21cyclictest12:11:332
279239990,7cyclictest26056-21sh11:27:232
279159990,3cyclictest0-21swapper/108:50:091
279159990,0cyclictest0-21swapper/108:00:101
279049998,1cyclictest9-21ksoftirqd/009:45:000
30721280,3sleep20-21swapper/209:20:522
279329987,1cyclictest35-21ksoftirqd/311:05:003
279329987,1cyclictest35-21ksoftirqd/309:10:003
279329980,4cyclictest0-21swapper/311:31:353
279239988,0cyclictest0-21swapper/211:36:252
279239986,1cyclictest61650irq/122-eno110:15:172
279239986,1cyclictest61650irq/122-eno109:35:202
279239984,2cyclictest240-21systemd-journal07:45:002
279239982,3cyclictest240-21systemd-journal10:09:552
279239980,3cyclictest0-21swapper/210:50:102
279159980,1cyclictest0-21swapper/108:26:241
279049986,1cyclictest9724-21ssh09:35:360
279049986,1cyclictest9-21ksoftirqd/007:35:000
279049981,6cyclictest30917-21ssh10:05:160
279049980,7cyclictest8685-21ssh11:47:360
279049980,7cyclictest29618-21ssh11:31:310
279049980,7cyclictest27385-21ssh09:17:080
279049980,1cyclictest7902-21ssh10:19:200
279049980,1cyclictest24533-21ssh09:56:170
279049980,1cyclictest1275-21ssh12:20:300
279049980,0cyclictest0-21swapper/012:26:480
279329976,1cyclictest35-21ksoftirqd/309:35:003
279329976,1cyclictest35-21ksoftirqd/308:15:003
279329975,1cyclictest21751-21ssh11:20:233
279329974,1cyclictest35-21ksoftirqd/307:41:163
279329972,3cyclictest21152-21diskmemload09:12:203
279329972,3cyclictest21152-21diskmemload09:12:193
279329972,2cyclictest4462-21runrttasks10:58:453
279329971,2cyclictest16540-21hddtemp_smartct10:30:163
279329970,5cyclictest0-21swapper/309:53:303
279329970,4cyclictest0-21swapper/311:59:453
279329970,1cyclictest0-21swapper/312:15:103
279329970,1cyclictest0-21swapper/311:15:103
279329970,1cyclictest0-21swapper/309:40:073
279239976,1cyclictest61650irq/122-eno112:22:202
279239976,1cyclictest61650irq/122-eno112:00:182
279239976,1cyclictest61650irq/122-eno111:43:302
279239976,1cyclictest61650irq/122-eno111:05:142
279239976,1cyclictest61650irq/122-eno110:49:052
279239976,1cyclictest61650irq/122-eno110:30:012
279239976,1cyclictest61650irq/122-eno109:43:002
279239976,1cyclictest61650irq/122-eno109:26:242
279239976,1cyclictest61650irq/122-eno109:15:122
279239976,1cyclictest14599-21ntpq11:55:162
279239976,1cyclictest11250-21cat12:35:152
279239975,1cyclictest61650irq/122-eno112:05:112
279239975,1cyclictest61650irq/122-eno108:35:212
279239974,2cyclictest561-21nscd08:49:252
279239973,2cyclictest240-21systemd-journal12:32:542
279239973,2cyclictest240-21systemd-journal12:30:002
279239972,2cyclictest0-21swapper/211:18:282
279239972,2cyclictest0-21swapper/210:37:552
279239971,3cyclictest21152-21diskmemload09:15:012
279239971,3cyclictest21152-21diskmemload09:15:002
279239970,6cyclictest0-21swapper/211:00:152
279239970,4cyclictest0-21swapper/210:41:182
279159971,4cyclictest0-21swapper/112:00:111
279159970,6cyclictest0-21swapper/110:40:191
279049976,1cyclictest13204-21ssh11:10:140
279049975,1cyclictest9641-21hddtemp_smartct11:05:140
279049975,1cyclictest25962-21sort12:10:200
279049975,1cyclictest16904-21ntp_states10:30:180
279049975,1cyclictest11583-21tune2fs07:40:140
279049975,1cyclictest0-21swapper/010:50:150
279049974,2cyclictest583-21in:imuxsock07:15:010
279049973,4cyclictest32345-21latency_hist09:25:010
279049973,3cyclictest0-21swapper/010:10:210
279049973,3cyclictest0-21swapper/008:05:170
279049973,2cyclictest240-21systemd-journal07:20:300
279049973,0cyclictest0-21swapper/007:30:130
279049971,6cyclictest2372-21ssh09:26:290
279049971,4cyclictest19361-21apt-get10:35:120
279049970,6cyclictest7842-21taskset11:02:580
279049970,6cyclictest31596-21ssh11:35:140
279049970,6cyclictest29631-21ssh10:48:540
279049970,6cyclictest29315-21cut07:10:190
279049970,6cyclictest29147-21grep12:15:160
279049970,6cyclictest26284-21ssh11:28:030
279049970,6cyclictest26101-21ssh10:00:120
279049970,6cyclictest24711-21tail10:40:200
279049970,6cyclictest21233-21sed09:10:000
279049970,6cyclictest21152-21diskmemload11:50:130
279049970,6cyclictest20080-21ssh11:20:120
279049970,6cyclictest1160-21memory08:25:170
279049970,6cyclictest0-21swapper/011:40:130
279049970,3cyclictest21152-21diskmemload10:24:590
279049970,2cyclictest9-21ksoftirqd/008:55:140
279049970,1cyclictest22828-21ssh12:06:220
279049970,1cyclictest21152-21diskmemload12:03:490
279049970,1cyclictest17279-21/usr/sbin/munin11:15:150
279049970,1cyclictest16777-21systemctl11:59:590
279049970,1cyclictest15127-21ssh09:45:070
279049970,1cyclictest12027-21ssh10:25:010
279049970,1cyclictest0-21swapper/012:30:120
279049970,1cyclictest0-21swapper/010:59:290
279049970,1cyclictest0-21swapper/009:50:110
279049970,1cyclictest0-21swapper/009:30:180
279329965,1cyclictest9731-21ssh11:50:033
279329965,1cyclictest8121-21ssh12:30:173
279329965,1cyclictest7970-21ssh11:45:273
279329965,1cyclictest30630-21ssh09:20:363
279329965,1cyclictest28856-21ssh10:46:333
279329965,1cyclictest25648-21ssh11:26:093
279329965,1cyclictest24824-21sshd10:40:243
279329965,1cyclictest24264-21sshd09:55:283
279329965,1cyclictest21827-21ssh10:37:243
279329965,1cyclictest14577-21ssh10:27:273
279329965,1cyclictest13433-21ssh12:39:173
279329963,1cyclictest240-21systemd-journal11:06:513
279329963,1cyclictest240-21systemd-journal10:01:203
279329962,3cyclictest6849-21ssh10:16:113
279329961,4cyclictest1302-21apt-get07:20:123
279329961,4cyclictest0-21swapper/312:10:253
279329961,3cyclictest21152-21diskmemload12:29:003
279329961,3cyclictest15648-21/usr/sbin/munin07:50:203
279329960,3cyclictest0-21swapper/312:05:023
279329960,3cyclictest0-21swapper/311:40:203
279329960,3cyclictest0-21swapper/311:39:593
279329960,3cyclictest0-21swapper/310:10:093
279329960,2cyclictest0-21swapper/312:21:563
279329960,2cyclictest0-21swapper/309:45:123
279329960,2cyclictest0-21swapper/308:05:103
279329960,1cyclictest0-21swapper/309:35:123
279239966,0cyclictest61650irq/122-eno112:15:172
279239966,0cyclictest61650irq/122-eno111:45:072
279239966,0cyclictest61650irq/122-eno111:31:072
279239966,0cyclictest61650irq/122-eno111:10:432
279239966,0cyclictest61650irq/122-eno110:30:212
279239966,0cyclictest61650irq/122-eno109:50:102
279239966,0cyclictest61650irq/122-eno109:45:572
279239966,0cyclictest61650irq/122-eno109:30:022
279239966,0cyclictest61650irq/122-eno109:04:552
279239966,0cyclictest61650irq/122-eno108:40:212
279239966,0cyclictest61650irq/122-eno108:15:112
279239966,0cyclictest61650irq/122-eno107:37:042
279239966,0cyclictest61650irq/122-eno107:20:012
279239965,1cyclictest61650irq/122-eno110:55:202
279239965,1cyclictest61650irq/122-eno108:04:202
279239965,1cyclictest26044-21ssh10:00:032
279239965,1cyclictest2450-21ntpq07:20:172
279239964,1cyclictest61650irq/122-eno109:55:142
279239964,1cyclictest61650irq/122-eno109:10:012
279239964,1cyclictest61650irq/122-eno108:30:142
279239964,1cyclictest61650irq/122-eno107:55:172
279239964,1cyclictest61650irq/122-eno107:45:132
279239964,1cyclictest61650irq/122-eno107:30:202
279239961,3cyclictest0-21swapper/207:10:132
279239960,5cyclictest0-21swapper/210:20:142
279159966,0cyclictest0-21swapper/111:53:541
279159966,0cyclictest0-21swapper/111:44:311
279159966,0cyclictest0-21swapper/109:56:541
279159964,1cyclictest0-21swapper/112:36:541
279159961,3cyclictest30516-21chrt12:16:561
279159961,1cyclictest0-21swapper/109:15:011
279159961,1cyclictest0-21swapper/109:15:001
279159960,5cyclictest0-21swapper/111:29:551
279159960,4cyclictest0-21swapper/112:22:501
279159960,3cyclictest0-21swapper/111:48:111
279159960,3cyclictest0-21swapper/111:07:211
279159960,1cyclictest0-21swapper/110:15:141
279159960,1cyclictest0-21swapper/107:20:161
279159960,0cyclictest0-21swapper/111:15:301
279159960,0cyclictest0-21swapper/110:05:161
279049962,2cyclictest240-21systemd-journal08:46:030
279049961,2cyclictest0-21swapper/007:55:110
279049960,6cyclictest0-21swapper/007:52:110
279049960,5cyclictest0-21swapper/008:20:120
279049960,5cyclictest0-21swapper/007:25:170
279049960,1cyclictest0-21swapper/008:30:130
279049960,1cyclictest0-21swapper/008:00:130
279049960,0cyclictest0-21swapper/012:35:420
279049960,0cyclictest0-21swapper/009:10:190
279049960,0cyclictest0-21swapper/009:10:180
279329954,1cyclictest9709-21head10:20:193
279329954,1cyclictest8569-21apt-get07:35:113
279329954,1cyclictest35-21ksoftirqd/308:34:263
279329954,1cyclictest32593-21ssh09:25:133
279329954,1cyclictest29602-21sshd08:15:263
279329953,1cyclictest35-21ksoftirqd/308:55:123
279329953,1cyclictest20584-21egrep08:00:123
279329953,1cyclictest13283-21find08:50:163
279329952,2cyclictest8489-21tr08:40:193
279329952,1cyclictest1856-21unixbench_singl08:25:213
279329951,3cyclictest583-21in:imuxsock07:30:313
279329950,3cyclictest28107-21apt-get07:10:123
279329950,3cyclictest21152-21diskmemload10:06:133
279329950,2cyclictest0-21swapper/309:15:153
279239955,0cyclictest61650irq/122-eno108:55:122
279239955,0cyclictest61650irq/122-eno108:50:132
279239955,0cyclictest61650irq/122-eno108:25:042
279239955,0cyclictest61650irq/122-eno108:20:112
279239955,0cyclictest61650irq/122-eno108:10:142
279239955,0cyclictest61650irq/122-eno108:05:012
279239955,0cyclictest61650irq/122-eno107:25:122
279159955,0cyclictest0-21swapper/110:38:011
279159953,1cyclictest0-21swapper/111:55:371
279159952,1cyclictest9562-21chrt12:33:341
279159951,3cyclictest0-21swapper/108:55:201
279159951,2cyclictest0-21swapper/112:27:581
279159951,2cyclictest0-21swapper/112:10:131
279159951,2cyclictest0-21swapper/112:05:111
279159951,2cyclictest0-21swapper/110:34:281
279159951,1cyclictest0-21swapper/109:05:111
279159950,5cyclictest0-21swapper/108:15:141
279159950,4cyclictest0-21swapper/111:30:501
279159950,4cyclictest0-21swapper/109:46:201
279159950,3cyclictest0-21swapper/111:01:331
279159950,3cyclictest0-21swapper/110:10:101
279159950,3cyclictest0-21swapper/109:40:161
279159950,3cyclictest0-21swapper/109:30:121
279159950,3cyclictest0-21swapper/108:44:591
279159950,2cyclictest0-21swapper/110:55:581
279159950,2cyclictest0-21swapper/110:25:121
279159950,2cyclictest0-21swapper/109:21:511
279159950,2cyclictest0-21swapper/108:30:121
279159950,2cyclictest0-21swapper/107:20:001
279159950,1cyclictest0-21swapper/111:36:421
279159950,1cyclictest0-21swapper/109:35:241
279159950,1cyclictest0-21swapper/109:17:151
279159950,1cyclictest0-21swapper/107:35:001
279159950,0cyclictest0-21swapper/111:20:121
279159950,0cyclictest0-21swapper/110:20:081
279049953,1cyclictest7238-21/usr/sbin/munin08:40:220
279049953,1cyclictest583-21in:imuxsock08:38:030
279049953,1cyclictest25298-21basename08:10:120
279049953,1cyclictest16924-21tr09:00:140
279049950,5cyclictest0-21swapper/007:45:180
279049950,4cyclictest0-21swapper/008:15:150
279329943,1cyclictest30217-21seq08:20:053
279329943,1cyclictest17556-21cat09:00:173
279329943,1cyclictest13825-21fschecks_count07:45:133
279329942,1cyclictest31152-21apt-get07:15:113
279329941,2cyclictest3664-21apt-get07:25:123
279329940,2cyclictest240-21systemd-journal07:55:013
279329940,1cyclictest240-21systemd-journal08:45:013
279329940,1cyclictest0-21swapper/308:35:183
279239943,1cyclictest61650irq/122-eno107:50:112
279159941,3cyclictest0-21swapper/108:45:211
279159941,2cyclictest0-21swapper/109:25:131
279159941,2cyclictest0-21swapper/109:00:131
279159941,1cyclictest0-21swapper/107:40:001
279159940,4cyclictest0-21swapper/107:48:161
279159940,3cyclictest0-21swapper/107:26:321
279159940,2cyclictest0-21swapper/110:45:241
279159940,2cyclictest0-21swapper/108:10:011
279159940,2cyclictest0-21swapper/107:55:171
279159940,2cyclictest0-21swapper/107:50:201
279159940,1cyclictest0-21swapper/109:50:141
279159940,1cyclictest0-21swapper/108:20:151
279159940,1cyclictest0-21swapper/107:40:131
279159940,0cyclictest0-21swapper/110:02:261
279159940,0cyclictest0-21swapper/107:10:201
279159930,3cyclictest0-21swapper/108:10:191
279159930,1cyclictest0-21swapper/108:35:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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