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2026-05-24 - 17:31
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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 Sun May 24, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
166892217152,22sleep20-21swapper/207:09:392
165362213149,21sleep00-21swapper/007:07:410
165342210158,26sleep30-21swapper/307:07:403
166362198160,25sleep10-21swapper/107:08:591
36882720,0sleep09860-21diskmemload10:25:210
208932580,0sleep30-21swapper/311:33:523
16825991514,1cyclictest35-21ksoftirqd/308:23:483
1681999150,1cyclictest16133-21/usr/sbin/munin08:15:142
287432130,0sleep00-21swapper/009:33:500
16802991311,1cyclictest9-21ksoftirqd/011:30:000
273842120,1sleep1111rcu_preempt10:15:121
16802991212,0cyclictest9-21ksoftirqd/012:40:010
16802991210,1cyclictest9-21ksoftirqd/007:39:590
1680299119,1cyclictest9-21ksoftirqd/011:40:120
1680299119,1cyclictest9-21ksoftirqd/011:35:010
1682599109,1cyclictest35-21ksoftirqd/311:30:003
1680299108,1cyclictest9-21ksoftirqd/007:50:190
168259997,1cyclictest35-21ksoftirqd/308:20:003
168259990,7cyclictest18971-21apt-get12:15:113
168199990,6cyclictest17890-21taskset11:30:112
168029998,1cyclictest9-21ksoftirqd/011:00:000
168029998,1cyclictest101rcuc/011:20:130
168029997,1cyclictest9-21ksoftirqd/012:05:010
168029997,1cyclictest9-21ksoftirqd/009:10:000
168029992,6cyclictest1126-21sed12:35:010
168029991,4cyclictest9860-21diskmemload11:57:010
168029991,4cyclictest22826-21cat10:10:000
168029990,6cyclictest0-21swapper/008:20:110
168259987,1cyclictest35-21ksoftirqd/311:55:003
168259986,1cyclictest26728-21sensors_temp11:40:183
168259985,1cyclictest13650irq/124-ahci[0007:44:543
168259982,6cyclictest12441-21kworker/u8:110:43:443
168259980,6cyclictest0-21swapper/312:26:343
168199986,1cyclictest61650irq/122-eno112:20:122
168199986,1cyclictest61650irq/122-eno111:50:392
168199986,1cyclictest61650irq/122-eno110:40:132
168199986,1cyclictest61650irq/122-eno109:55:192
168199986,1cyclictest61650irq/122-eno109:55:182
168199986,1cyclictest28-21ksoftirqd/212:12:102
168199984,3cyclictest0-21swapper/209:44:452
168199981,4cyclictest0-21swapper/208:50:112
168199980,7cyclictest2204-21kworker/u8:011:41:052
168199980,5cyclictest9860-21diskmemload10:20:212
168199980,4cyclictest12155-21kworker/u8:009:26:152
168199980,2cyclictest6050-21runrttasks11:13:442
168029987,1cyclictest9-21ksoftirqd/012:30:000
168029987,1cyclictest9-21ksoftirqd/009:24:590
168029987,0cyclictest9-21ksoftirqd/009:35:130
168029986,1cyclictest9-21ksoftirqd/007:25:000
168029982,6cyclictest19160-21munin-node12:20:510
168029981,6cyclictest23631-1kworker/u9:011:00:170
168029981,6cyclictest13843-21apt-get09:15:110
168029980,7cyclictest21308-21ssh12:16:580
168029980,7cyclictest0-21swapper/010:48:320
168029980,4cyclictest4987-21sed09:00:000
168259976,1cyclictest35-21ksoftirqd/312:10:003
168259976,1cyclictest35-21ksoftirqd/308:10:013
168259975,1cyclictest7368-21ssh10:30:213
168259975,1cyclictest31835-21ssh09:36:463
168259975,1cyclictest31398-21cat08:45:163
168259975,1cyclictest21340-21ssh10:05:473
168259975,1cyclictest13791-21ssh09:55:263
168259975,1cyclictest13791-21ssh09:55:263
168259974,1cyclictest548-21systemd-logind10:55:183
168259974,1cyclictest240-21systemd-journal11:10:003
168259973,3cyclictest2852-21ssh12:35:193
168259973,1cyclictest9860-21diskmemload11:39:093
168259972,4cyclictest9860-21diskmemload12:00:153
168259972,3cyclictest9860-21diskmemload12:10:063
168259970,3cyclictest693-21runrttasks09:42:143
168199976,1cyclictest61650irq/122-eno112:38:522
168199976,1cyclictest61650irq/122-eno112:00:372
168199976,1cyclictest61650irq/122-eno111:47:462
168199976,1cyclictest61650irq/122-eno110:19:062
168199976,1cyclictest61650irq/122-eno110:10:272
168199976,1cyclictest61650irq/122-eno109:15:152
168199975,1cyclictest9433-21ntpq09:50:162
168199975,1cyclictest61650irq/122-eno110:55:142
168199975,1cyclictest61650irq/122-eno109:10:132
168199975,1cyclictest1205-21ssh11:05:252
168199973,2cyclictest240-21systemd-journal08:15:002
168199971,5cyclictest20412-21sensors12:15:202
168199971,4cyclictest570-21nscd09:33:162
168199971,4cyclictest24981-21apt-get07:25:122
168199970,6cyclictest29522-21apt-get09:35:112
168199970,1cyclictest217192sleep211:35:122
168199970,1cyclictest0-21swapper/208:35:112
168129970,4cyclictest0-21swapper/109:35:031
168129970,4cyclictest0-21swapper/109:25:031
168029977,0cyclictest9-21ksoftirqd/009:55:010
168029977,0cyclictest9-21ksoftirqd/009:55:000
168029976,1cyclictest9-21ksoftirqd/008:50:110
168029976,1cyclictest9-21ksoftirqd/007:35:000
168029976,1cyclictest10406-21ssh09:51:200
168029975,1cyclictest25663-21ssh10:12:390
168029972,2cyclictest9860-21diskmemload10:04:490
168029971,4cyclictest30711-21/usr/sbin/munin10:20:150
168029970,6cyclictest9860-21diskmemload12:03:500
168029970,6cyclictest9003-21ssh11:16:370
168029970,6cyclictest32637-21perf08:50:010
168029970,6cyclictest32061-21/usr/sbin/munin07:40:160
168029970,6cyclictest27258-21cpuspeed_turbos10:15:130
168029970,6cyclictest2308-21ssh11:51:050
168029970,6cyclictest20699-21ssh10:50:100
168029970,5cyclictest0-21swapper/011:05:000
168029970,1cyclictest9860-21diskmemload09:40:010
168029970,1cyclictest32267-21ssh11:49:390
168029970,1cyclictest23962-21ssh09:26:250
168029970,1cyclictest21585-21apt-get11:35:100
168029970,1cyclictest10577-21ntp_states10:35:170
168029970,1cyclictest0-21swapper/009:10:110
168029970,1cyclictest0-21swapper/009:00:010
168029970,0cyclictest0-21swapper/007:15:150
7837260,1sleep07839-21ntp_kernel_pll_07:55:190
168259965,1cyclictest8803-21ssh11:16:013
168259965,1cyclictest6599-21ssh09:45:593
168259965,1cyclictest35-21ksoftirqd/307:15:003
168259965,1cyclictest32557-21ssh12:32:183
168259965,1cyclictest30929-21ssh11:45:453
168259965,1cyclictest29487-21ssh10:17:253
168259965,1cyclictest19803-21ssh10:48:163
168259965,1cyclictest17756-21ssh09:20:003
168259965,1cyclictest16379-21ssh09:17:123
168259965,1cyclictest13227-21ssh11:23:043
168259965,1cyclictest13090-21ssh09:13:523
168259965,1cyclictest12454-21ssh10:39:053
168259964,2cyclictest1747-21ntpd08:33:363
168259964,1cyclictest5030-21ssh11:10:513
168259964,1cyclictest4200-21ssh10:26:323
168259964,1cyclictest31897-21ntpq10:20:183
168259963,2cyclictest15681-21/usr/sbin/munin10:00:123
168259963,1cyclictest27778-21expr07:30:123
168259963,1cyclictest240-21systemd-journal11:04:563
168259962,3cyclictest24117-21/usr/sbin/munin12:20:193
168259962,3cyclictest13781-21apt-get08:10:113
168259961,2cyclictest8276-21apt-get09:50:113
168259960,6cyclictest0-21swapper/308:52:393
168259960,4cyclictest4921-21apt-get09:00:023
168259960,2cyclictest0-21swapper/310:11:213
168259960,1cyclictest5161-21awk11:55:183
168259960,1cyclictest0-21swapper/307:35:183
168199966,0cyclictest61650irq/122-eno112:25:052
168199966,0cyclictest61650irq/122-eno111:55:172
168199966,0cyclictest61650irq/122-eno111:15:122
168199966,0cyclictest61650irq/122-eno110:50:142
168199966,0cyclictest61650irq/122-eno110:45:192
168199966,0cyclictest61650irq/122-eno110:30:332
168199966,0cyclictest61650irq/122-eno110:25:182
168199966,0cyclictest61650irq/122-eno109:45:162
168199966,0cyclictest61650irq/122-eno109:07:312
168199966,0cyclictest61650irq/122-eno109:00:012
168199966,0cyclictest61650irq/122-eno108:58:092
168199966,0cyclictest61650irq/122-eno108:45:122
168199966,0cyclictest61650irq/122-eno108:43:242
168199966,0cyclictest61650irq/122-eno108:25:072
168199966,0cyclictest61650irq/122-eno108:20:012
168199966,0cyclictest61650irq/122-eno108:05:202
168199966,0cyclictest61650irq/122-eno108:03:352
168199966,0cyclictest61650irq/122-eno107:35:042
168199966,0cyclictest61650irq/122-eno107:30:182
168199966,0cyclictest61650irq/122-eno107:15:202
168199966,0cyclictest61650irq/122-eno107:10:542
168199965,1cyclictest61650irq/122-eno112:30:112
168199965,1cyclictest61650irq/122-eno110:35:432
168199965,1cyclictest61650irq/122-eno110:05:102
168199965,1cyclictest61650irq/122-eno107:40:202
168199965,1cyclictest29317-21ntpq11:00:202
168199965,1cyclictest18728-21cat09:20:152
168199965,0cyclictest28-21ksoftirqd/210:00:122
168199964,1cyclictest61650irq/122-eno111:25:042
168199964,1cyclictest61650irq/122-eno111:20:162
168199962,2cyclictest0-21swapper/207:45:102
168199961,1cyclictest0-21swapper/207:50:202
168199960,4cyclictest24490-21needreboot08:30:152
168199960,4cyclictest0-21swapper/212:06:172
168129963,0cyclictest0-21swapper/112:30:181
168129963,0cyclictest0-21swapper/107:15:011
168129961,3cyclictest0-21swapper/111:25:141
168129960,6cyclictest0-21swapper/110:22:371
168129960,6cyclictest0-21swapper/109:31:031
168129960,6cyclictest0-21swapper/108:00:151
168129960,5cyclictest0-21swapper/110:25:151
168129960,5cyclictest0-21swapper/108:45:151
168129960,5cyclictest0-21swapper/107:30:141
168129960,5cyclictest0-21swapper/107:20:151
168129960,1cyclictest0-21swapper/112:35:151
168129960,0cyclictest0-21swapper/111:20:121
168129960,0cyclictest0-21swapper/110:30:111
168029965,1cyclictest9-21ksoftirqd/007:25:000
168029965,1cyclictest31177-1kworker/u9:111:11:130
168029965,1cyclictest12113-1kworker/u9:010:40:150
168029964,1cyclictest9-21ksoftirqd/008:30:110
168029964,1cyclictest9-21ksoftirqd/008:00:180
168029963,1cyclictest240-21systemd-journal08:11:240
168029962,3cyclictest583-21in:imuxsock07:11:080
168029960,6cyclictest0-21swapper/008:27:150
168029960,6cyclictest0-21swapper/008:08:170
168029960,5cyclictest9860-21diskmemload10:30:120
168029960,0cyclictest16987-21ssh12:10:390
168029960,0cyclictest0-21swapper/009:45:150
168029960,0cyclictest0-21swapper/008:38:050
168029960,0cyclictest0-21swapper/007:45:130
168259954,1cyclictest9953-21cat08:00:153
168259954,1cyclictest7813-21aten_r1power_fr09:05:113
168259954,1cyclictest35-21ksoftirqd/307:16:203
168259954,1cyclictest27887-21ssh09:31:343
168259953,1cyclictest20739-21ssh10:50:123
168259952,3cyclictest23646-21pmu-power07:20:183
168259952,2cyclictest27106-21awk07:29:593
168259952,1cyclictest240-21systemd-journal09:00:003
168259951,2cyclictest0-21swapper/309:25:113
168259950,5cyclictest0-21swapper/307:49:053
168259950,2cyclictest240-21systemd-journal08:00:003
168199955,0cyclictest61650irq/122-eno107:55:182
168199951,1cyclictest22421-21/usr/sbin/munin07:20:102
168129955,0cyclictest21-21ksoftirqd/112:05:191
168129955,0cyclictest0-21swapper/111:51:551
168129955,0cyclictest0-21swapper/111:11:111
168129955,0cyclictest0-21swapper/109:47:411
168129955,0cyclictest0-21swapper/109:10:101
168129951,2cyclictest263402sleep112:25:051
168129950,5cyclictest0-21swapper/112:15:221
168129950,5cyclictest0-21swapper/111:01:161
168129950,5cyclictest0-21swapper/110:55:051
168129950,5cyclictest0-21swapper/110:40:181
168129950,5cyclictest0-21swapper/108:37:111
168129950,5cyclictest0-21swapper/107:52:231
168129950,4cyclictest0-21swapper/108:05:131
168129950,3cyclictest0-21swapper/112:11:471
168129950,3cyclictest0-21swapper/111:45:361
168129950,3cyclictest0-21swapper/109:55:131
168129950,3cyclictest0-21swapper/109:55:121
168129950,3cyclictest0-21swapper/109:17:211
168129950,3cyclictest0-21swapper/107:25:111
168129950,2cyclictest0-21swapper/109:50:171
168129950,2cyclictest0-21swapper/109:40:191
168129950,1cyclictest0-21swapper/111:55:201
168129950,1cyclictest0-21swapper/111:30:171
168129950,1cyclictest0-21swapper/110:48:381
168129950,1cyclictest0-21swapper/110:35:181
168029952,2cyclictest28952-21sed08:40:150
168029950,4cyclictest16133-21/usr/sbin/munin08:15:170
168259944,0cyclictest22476-21sensors08:25:203
168259942,1cyclictest4471-21aten2.4-expect07:50:143
168259942,1cyclictest28163-21aten_r1power_cu08:40:103
168259940,2cyclictest0-21swapper/308:35:173
168129942,1cyclictest0-21swapper/110:50:121
168129941,2cyclictest0-21swapper/107:40:191
168129941,1cyclictest0-21swapper/112:00:101
168129940,4cyclictest0-21swapper/110:06:431
168129940,4cyclictest0-21swapper/108:25:591
168129940,4cyclictest0-21swapper/107:55:191
168129940,3cyclictest0-21swapper/109:20:221
168129940,3cyclictest0-21swapper/107:45:121
168129940,2cyclictest0-21swapper/111:40:161
168129940,2cyclictest0-21swapper/110:11:001
168129940,2cyclictest0-21swapper/107:35:141
168129940,1cyclictest0-21swapper/112:22:031
168129940,1cyclictest0-21swapper/111:35:171
168129940,1cyclictest0-21swapper/111:15:121
168129940,1cyclictest0-21swapper/111:06:221
168129940,1cyclictest0-21swapper/108:55:141
168129940,1cyclictest0-21swapper/108:50:121
168129940,0cyclictest0-21swapper/110:00:181
168129940,0cyclictest0-21swapper/109:00:201
168129940,0cyclictest0-21swapper/108:20:201
168129940,0cyclictest0-21swapper/108:15:191
168129940,0cyclictest0-21swapper/108:10:201
168129933,0cyclictest0-21swapper/108:40:011
168129931,1cyclictest0-21swapper/108:30:091
168129931,1cyclictest0-21swapper/107:10:111
168129930,1cyclictest0-21swapper/109:05:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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