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2026-05-22 - 01:08
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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 May 21, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1592025330,4sleep10-21swapper/107:05:181
167522216160,24sleep00-21swapper/007:06:110
169442212153,22sleep30-21swapper/307:08:433
167322202162,26sleep20-21swapper/207:05:572
310932820,0sleep10-21swapper/109:35:141
95832730,1sleep29579-21aten_r1power_vo08:00:122
291542580,0sleep30-21swapper/309:32:443
69662340,0sleep00-21swapper/009:45:230
1715099150,0cyclictest0-21swapper/310:55:103
1714299150,12cyclictest0-21swapper/207:15:012
1714299150,1cyclictest10228-21diskmemload10:55:112
1715099130,1cyclictest26210-21cat09:29:593
1714299130,1cyclictest21463-21/usr/sbin/munin10:05:192
1714299130,0cyclictest0-21swapper/210:18:352
17150991210,1cyclictest35-21ksoftirqd/309:05:003
1715099119,1cyclictest22024-21ssh11:34:103
1715099115,1cyclictest6922-21ssh11:13:373
1715099115,1cyclictest15613-21ssh09:58:203
1715099110,3cyclictest0-21swapper/311:24:303
1715099110,1cyclictest0-21swapper/311:07:593
17125991110,1cyclictest9-21ksoftirqd/011:20:010
17125991110,1cyclictest9-21ksoftirqd/010:00:000
296902100,1sleep20-21swapper/211:44:492
1715099109,1cyclictest35-21ksoftirqd/309:50:013
1715099104,1cyclictest796-21ssh10:20:313
1715099104,1cyclictest796-21ssh10:20:313
1715099103,1cyclictest29873-21timerwakeupswit08:40:203
1715099102,8cyclictest0-21swapper/310:10:113
1715099102,2cyclictest15787-21runrttasks12:09:303
1715099101,1cyclictest28864-21chrt11:42:253
1715099101,1cyclictest10473-21sshd11:18:073
1715099101,1cyclictest0-21swapper/310:06:583
1715099100,3cyclictest0-21swapper/310:43:443
1715099100,2cyclictest240-21systemd-journal12:30:453
1715099100,2cyclictest0-21swapper/311:27:523
1715099100,1cyclictest240-21systemd-journal12:39:453
1715099100,0cyclictest0-21swapper/311:54:583
1714299108,2cyclictest0-21swapper/209:39:022
1714299108,1cyclictest14574-21apt-get09:15:122
1714299104,1cyclictest10405-21ssh11:17:562
1714299101,2cyclictest23933-21apt-get10:10:112
1714299101,1cyclictest0-21swapper/209:25:152
1714299100,1cyclictest0-21swapper/212:13:312
1712599109,1cyclictest9-21ksoftirqd/012:40:000
1712599109,1cyclictest9-21ksoftirqd/012:20:000
1712599109,1cyclictest9-21ksoftirqd/008:05:010
171509993,1cyclictest32344-21chrt09:36:043
171509993,1cyclictest13253-21sshd10:39:093
171509992,1cyclictest7593-21ntp_states10:30:193
171509992,1cyclictest28715-21memory07:30:163
171509992,1cyclictest14259-21cron09:19:553
171509991,1cyclictest240-21systemd-journal11:02:123
171509991,1cyclictest0-21swapper/309:20:303
171509990,1cyclictest0-21swapper/310:03:353
171429995,3cyclictest61650irq/122-eno110:42:282
171429995,2cyclictest240-21systemd-journal07:50:002
171429994,1cyclictest61650irq/122-eno112:25:172
171429993,1cyclictest22778-21ssh12:18:112
171429993,1cyclictest19036-21basename08:20:112
171429991,2cyclictest29517-21chrt07:31:082
171429991,1cyclictest31629-21cpuspeed_turbos12:30:132
171429991,1cyclictest240-21systemd-journal11:30:002
171429991,1cyclictest0-21swapper/210:32:052
171429990,9cyclictest0-21swapper/209:53:552
171429990,7cyclictest10011-21kworker/u8:209:14:042
171429990,4cyclictest15702-21sh11:25:142
171429990,2cyclictest240-21systemd-journal07:15:002
171429990,1cyclictest240-21systemd-journal12:02:442
171429990,1cyclictest22622-21apt-get11:35:122
171429990,1cyclictest0-21swapper/211:45:162
171259998,1cyclictest9-21ksoftirqd/010:10:000
171259998,1cyclictest9-21ksoftirqd/009:18:350
171259997,1cyclictest9-21ksoftirqd/007:35:000
171259992,3cyclictest21048-21perf10:50:000
171259990,5cyclictest1354-21apt-get11:50:100
171259990,4cyclictest0-21swapper/012:05:100
171509986,1cyclictest35-21ksoftirqd/312:25:113
171509981,6cyclictest0-21swapper/312:20:143
171509980,5cyclictest0-21swapper/312:11:233
171509980,3cyclictest0-21swapper/310:50:123
171509980,1cyclictest240-21systemd-journal09:43:543
171509980,1cyclictest240-21systemd-journal07:40:383
171509980,0cyclictest0-21swapper/310:18:423
171429986,2cyclictest61650irq/122-eno110:49:142
171429986,2cyclictest61650irq/122-eno110:23:082
171429986,2cyclictest61650irq/122-eno110:23:082
171429986,1cyclictest61650irq/122-eno111:50:442
171429986,1cyclictest61650irq/122-eno109:20:182
171429983,1cyclictest61650irq/122-eno110:00:142
171429983,1cyclictest5709-21cat09:00:012
171429983,1cyclictest15265-21ssh09:57:212
171429982,2cyclictest21618-21/usr/sbin/munin10:50:132
171429982,1cyclictest4113-21aten_r1power_po11:10:122
171429981,6cyclictest19683-21munin-node08:54:202
171429981,2cyclictest2944-21cpuspeed_turbos10:25:122
171429980,3cyclictest29121-21aten_r1power_vo11:00:122
171429980,3cyclictest0-21swapper/212:35:252
171429980,1cyclictest4535-21grep08:55:182
171429980,1cyclictest240-21systemd-journal12:23:592
171429980,1cyclictest240-21systemd-journal09:40:102
171429980,1cyclictest240-21systemd-journal09:30:552
171429980,1cyclictest240-21systemd-journal07:55:002
171429980,1cyclictest0-21swapper/211:59:592
171429980,1cyclictest0-21swapper/211:05:172
171429980,0cyclictest0-21swapper/207:25:112
171259988,0cyclictest9-21ksoftirqd/009:15:000
171259987,1cyclictest9-21ksoftirqd/009:20:130
171259987,1cyclictest9-21ksoftirqd/007:50:130
171259987,1cyclictest9-21ksoftirqd/007:40:000
171259987,0cyclictest9-21ksoftirqd/007:15:010
171259986,1cyclictest9-21ksoftirqd/008:15:000
171259986,1cyclictest25270-21ssh10:55:110
171259984,2cyclictest240-21systemd-journal09:10:000
171259980,7cyclictest3946-21ssh11:10:020
171259980,7cyclictest30398-21ssh11:45:150
171259980,7cyclictest1925-21grep11:05:200
171259980,7cyclictest13570-21munin-run10:40:000
171259980,6cyclictest28185-21ssh12:25:140
171259980,4cyclictest5123-21perf09:45:000
171259980,1cyclictest9624-21ssh10:34:270
171509973,2cyclictest240-21systemd-journal10:45:423
171509972,4cyclictest11579-21perf08:05:013
171509972,2cyclictest0-21swapper/309:10:123
171509970,2cyclictest16511-21apt-get08:15:113
171429977,0cyclictest28-21ksoftirqd/208:25:392
171429976,1cyclictest61650irq/122-eno107:55:532
171429975,2cyclictest61650irq/122-eno108:15:142
171429975,1cyclictest61650irq/122-eno109:45:152
171429974,0cyclictest61650irq/122-eno111:20:162
171429973,1cyclictest61650irq/122-eno112:05:112
171429973,1cyclictest61650irq/122-eno108:30:112
171429972,1cyclictest28297-21cat08:40:002
171429970,1cyclictest240-21systemd-journal09:05:252
171429970,1cyclictest240-21systemd-journal07:44:232
171429970,1cyclictest240-21systemd-journal07:39:382
171429970,1cyclictest240-21systemd-journal07:20:062
171349971,4cyclictest0-21swapper/111:33:421
171349970,6cyclictest0-21swapper/110:20:171
171349970,6cyclictest0-21swapper/110:20:171
171349970,3cyclictest0-21swapper/111:41:511
171349970,3cyclictest0-21swapper/111:00:191
171259977,0cyclictest9-21ksoftirqd/010:15:140
171259976,1cyclictest9-21ksoftirqd/012:15:010
171259976,1cyclictest9-21ksoftirqd/011:40:000
171259976,1cyclictest9-21ksoftirqd/009:50:130
171259976,0cyclictest10228-21diskmemload10:10:220
171259975,1cyclictest9-21ksoftirqd/007:15:000
171259975,1cyclictest764-21ssh09:38:250
171259975,1cyclictest10228-21diskmemload09:30:120
171259975,1cyclictest0-21swapper/011:55:110
171259974,1cyclictest240-21systemd-journal09:01:240
171259973,1cyclictest240-21systemd-journal08:55:000
171259972,4cyclictest325-21kworker/u8:012:10:050
171259970,6cyclictest446-21cat12:30:200
171259970,6cyclictest3688-21ps07:45:190
171259970,6cyclictest30655-21grep11:00:200
171259970,6cyclictest15913-21ssh10:41:050
171259970,5cyclictest23927-21ntpq07:20:160
171259970,5cyclictest18891-21/usr/sbin/munin11:30:190
171259970,5cyclictest0-21swapper/011:20:130
171259970,4cyclictest19683-21munin-node10:00:120
171259970,1cyclictest957-21ssh10:20:590
171259970,1cyclictest957-21ssh10:20:580
171259970,1cyclictest8810-21ssh12:00:100
171259970,1cyclictest4932-21ssh10:26:410
171259970,1cyclictest240-21systemd-journal09:29:550
171259970,1cyclictest0-21swapper/010:53:540
171509965,1cyclictest6882-21ssh11:55:253
171509965,1cyclictest11542-21ssh12:03:023
171509963,1cyclictest240-21systemd-journal08:31:543
171509963,1cyclictest240-21systemd-journal07:56:533
171509963,1cyclictest240-21systemd-journal07:15:003
171509961,2cyclictest19451-21munin-run07:15:003
171509961,1cyclictest22726-21threads08:25:203
171509960,4cyclictest0-21swapper/310:25:363
171509960,3cyclictest0-21swapper/312:15:293
171509960,1cyclictest0-21swapper/311:35:123
171429966,0cyclictest61650irq/122-eno108:40:112
171429966,0cyclictest61650irq/122-eno108:15:002
171429966,0cyclictest61650irq/122-eno108:09:582
171429965,1cyclictest61650irq/122-eno110:35:132
171429964,0cyclictest61650irq/122-eno108:45:132
171349962,2cyclictest0-21swapper/111:10:561
171349962,1cyclictest0-21swapper/109:27:061
171349961,2cyclictest0-21swapper/109:30:151
171349960,6cyclictest0-21swapper/112:39:421
171349960,6cyclictest0-21swapper/110:45:541
171349960,6cyclictest0-21swapper/109:09:101
171349960,5cyclictest0-21swapper/110:25:151
171349960,5cyclictest0-21swapper/107:40:151
171349960,4cyclictest0-21swapper/112:26:111
171349960,4cyclictest0-21swapper/110:56:201
171349960,4cyclictest0-21swapper/110:31:141
171349960,3cyclictest0-21swapper/112:14:231
171349960,3cyclictest0-21swapper/108:40:181
171349960,2cyclictest0-21swapper/111:51:281
171349960,2cyclictest0-21swapper/111:15:111
171349960,2cyclictest0-21swapper/109:42:391
171349960,2cyclictest0-21swapper/109:17:401
171349960,2cyclictest0-21swapper/107:45:141
171349960,1cyclictest0-21swapper/111:22:111
171349960,1cyclictest0-21swapper/111:05:101
171349960,1cyclictest0-21swapper/109:55:101
171349960,1cyclictest0-21swapper/109:50:121
171349960,1cyclictest0-21swapper/109:20:131
171349960,1cyclictest0-21swapper/107:30:151
171349960,0cyclictest0-21swapper/108:05:111
171349960,0cyclictest0-21swapper/107:15:001
171259966,0cyclictest29730-21sensors08:40:180
171259965,1cyclictest27238-21sshd07:27:090
171259964,1cyclictest15160-21ssh11:25:080
171259963,2cyclictest22580-21grep08:25:190
171259963,1cyclictest240-21systemd-journal08:05:230
171259961,4cyclictest21025-21perf08:25:000
171259961,3cyclictest16510-21apt08:15:130
171259960,5cyclictest0-21swapper/011:40:100
171259960,5cyclictest0-21swapper/008:55:090
171259960,5cyclictest0-21swapper/007:55:120
16619260,0sleep10-21swapper/110:43:081
171509954,1cyclictest35-21ksoftirqd/307:29:413
171509954,1cyclictest30058-21sshd07:35:083
171509953,1cyclictest27359-21python08:35:193
171509953,1cyclictest21018-21latency_hist08:25:003
171509952,2cyclictest14157-21apt-get08:10:113
171509951,2cyclictest240-21systemd-journal08:55:243
171509950,4cyclictest644-21cat08:50:013
171509950,4cyclictest10217-21latency_hist09:10:003
171509950,3cyclictest30075-21/usr/sbin/munin11:45:193
171509950,2cyclictest2373-21apt-get07:45:123
171509950,1cyclictest0-21swapper/308:50:153
171349953,1cyclictest0-21swapper/108:35:111
171349951,2cyclictest0-21swapper/109:46:241
171349950,5cyclictest0-21swapper/112:20:311
171349950,5cyclictest0-21swapper/110:50:411
171349950,5cyclictest0-21swapper/110:05:081
171349950,4cyclictest0-21swapper/110:35:231
171349950,4cyclictest0-21swapper/110:10:101
171349950,3cyclictest0-21swapper/112:30:151
171349950,3cyclictest0-21swapper/112:00:221
171349950,3cyclictest0-21swapper/111:45:161
171349950,3cyclictest0-21swapper/110:00:181
171349950,3cyclictest0-21swapper/109:12:301
171349950,3cyclictest0-21swapper/108:50:011
171349950,3cyclictest0-21swapper/107:35:091
171349950,2cyclictest294952sleep110:15:331
171349950,2cyclictest0-21swapper/112:19:481
171349950,2cyclictest0-21swapper/111:55:011
171349950,1cyclictest0-21swapper/112:05:181
171349950,1cyclictest0-21swapper/111:25:051
171259954,1cyclictest9-21ksoftirqd/007:40:130
171259953,1cyclictest23597-21/usr/sbin/munin08:30:140
171259950,4cyclictest0-21swapper/008:45:120
171259950,0cyclictest0-21swapper/008:35:090
171509943,1cyclictest7485-1kworker/u9:009:50:123
171509943,1cyclictest4723-21apt-get07:50:113
171509942,1cyclictest571-21nscd08:05:113
171509940,2cyclictest0-21swapper/307:20:203
171349944,0cyclictest0-21swapper/108:10:151
171349941,3cyclictest0-21swapper/107:10:181
171349941,2cyclictest0-21swapper/108:45:121
171349941,1cyclictest0-21swapper/107:55:121
171349941,1cyclictest0-21swapper/107:25:111
171349940,4cyclictest0-21swapper/108:57:581
171349940,2cyclictest0-21swapper/108:25:161
171349940,2cyclictest0-21swapper/107:20:191
171349940,1cyclictest0-21swapper/111:35:451
171349940,1cyclictest0-21swapper/108:00:111
171349940,1cyclictest0-21swapper/107:50:201
171349940,0cyclictest0-21swapper/108:15:201
171349933,0cyclictest0-21swapper/108:20:101
171349931,1cyclictest0-21swapper/109:00:001
171349930,2cyclictest0-21swapper/108:30:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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