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2026-05-14 - 15:29
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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 Thu May 14, 2026 12:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2482523690,7sleep30-21swapper/307:05:213
253132213155,25sleep00-21swapper/007:06:320
252512199161,24sleep20-21swapper/207:05:442
252622198159,26sleep10-21swapper/107:05:521
164492580,0sleep20-21swapper/211:57:252
105582190,0sleep10-21swapper/109:40:161
241922160,0sleep10-21swapper/112:08:101
137532150,0sleep013756-21fschecks_count07:50:140
2566399140,2cyclictest0-21swapper/010:00:000
211472140,0sleep335-21ksoftirqd/312:05:003
25678991311,1cyclictest28-21ksoftirqd/207:59:592
25663991313,0cyclictest0-21swapper/012:07:220
2566399130,1cyclictest32696-21cut11:35:170
2566399130,1cyclictest0-21swapper/011:50:160
2566399130,0cyclictest0-21swapper/011:22:530
25678991211,1cyclictest0-21swapper/210:45:182
2567199120,12cyclictest0-21swapper/109:55:121
2566399120,2cyclictest0-21swapper/007:25:140
2566399120,1cyclictest0-21swapper/009:34:190
2566399120,1cyclictest0-21swapper/007:15:140
2568599119,1cyclictest35-21ksoftirqd/310:20:133
2568599118,1cyclictest35-21ksoftirqd/309:20:003
2566399114,6cyclictest18506-21diskmemload10:56:170
2566399113,7cyclictest13902-21ssh11:55:100
2566399112,1cyclictest32697-21cstates10:10:130
2566399112,0cyclictest18506-21diskmemload11:08:280
2566399111,1cyclictest8440-21perf11:05:000
2566399110,2cyclictest30196-21ls12:15:170
2566399110,1cyclictest18506-21diskmemload11:16:460
2566399110,1cyclictest0-21swapper/008:05:180
2566399110,1cyclictest0-21swapper/008:05:180
2566399110,1cyclictest0-21swapper/007:45:100
2566399110,0cyclictest18506-21diskmemload11:32:110
2566399110,0cyclictest18506-21diskmemload10:02:070
69492100,0sleep30-21swapper/312:28:353
29172100,0sleep20-21swapper/212:22:472
2567899103,4cyclictest61650irq/122-eno110:50:122
2567199108,1cyclictest0-21swapper/112:30:081
2566399106,4cyclictest8197-21ssh09:36:270
2566399106,4cyclictest21654-21ssh10:38:470
2566399104,5cyclictest12659-21/usr/sbin/munin11:10:120
2566399103,0cyclictest18506-21diskmemload09:43:540
2566399102,8cyclictest0-21swapper/012:35:000
2566399102,0cyclictest18506-21diskmemload10:31:260
2566399102,0cyclictest18506-21diskmemload09:54:220
2566399102,0cyclictest18506-21diskmemload09:49:050
2566399102,0cyclictest18506-21diskmemload09:49:050
2566399101,2cyclictest240-21systemd-journal09:15:000
2566399101,1cyclictest255102chrt09:18:000
2566399101,0cyclictest18506-21diskmemload09:24:070
2566399100,7cyclictest19773-1kworker/u9:112:02:410
2566399100,2cyclictest240-21systemd-journal10:24:590
2566399100,1cyclictest240-21systemd-journal10:54:590
2566399100,1cyclictest240-21systemd-journal09:08:140
2566399100,1cyclictest0-21swapper/011:45:180
2566399100,1cyclictest0-21swapper/010:08:560
2566399100,1cyclictest0-21swapper/008:40:170
2566399100,0cyclictest11186-21apt-get10:25:120
256859998,1cyclictest35-21ksoftirqd/309:15:013
256859997,1cyclictest35-21ksoftirqd/309:05:003
256859991,6cyclictest30279-21kworker/u8:212:22:353
256859991,5cyclictest240-21systemd-journal10:30:153
256789990,6cyclictest10186-21apt-get11:50:102
256789990,5cyclictest14687-21runrttasks12:39:212
256639993,5cyclictest583-21in:imuxsock07:35:000
256639993,5cyclictest26016-21ssh11:26:140
256639991,7cyclictest18506-21diskmemload12:10:060
256639991,1cyclictest5722-21ssh11:43:470
256639991,1cyclictest240-21systemd-journal08:23:580
256639990,8cyclictest3688-21ssh10:15:110
256639990,8cyclictest0-21swapper/007:20:150
256639990,4cyclictest25866-21/usr/sbin/munin07:10:200
256639990,4cyclictest22402-21ssh10:40:110
256639990,1cyclictest240-21systemd-journal08:50:000
256859980,5cyclictest31032-1kworker/u9:010:10:183
256859980,4cyclictest0-21swapper/310:05:083
256859980,3cyclictest0-21swapper/309:40:383
256859980,2cyclictest0-21swapper/309:48:343
256859980,2cyclictest0-21swapper/309:48:333
256789986,1cyclictest61650irq/122-eno112:14:382
256789986,1cyclictest61650irq/122-eno111:30:012
256789986,1cyclictest61650irq/122-eno107:15:202
256789986,1cyclictest1747-21ntpd10:15:592
256789986,1cyclictest1747-21ntpd07:50:592
256789983,2cyclictest240-21systemd-journal10:10:002
256789980,4cyclictest17684-21apt-get12:00:122
256719988,0cyclictest0-21swapper/107:40:151
256639981,1cyclictest240-21systemd-journal08:28:270
256639981,1cyclictest0-21swapper/009:25:170
256639980,7cyclictest309-21perl08:30:130
256639980,5cyclictest15563-21/usr/sbin/munin07:55:140
256639980,3cyclictest0-21swapper/012:35:150
256639980,3cyclictest0-21swapper/012:28:020
256639980,2cyclictest240-21systemd-journal08:52:280
256639980,1cyclictest240-21systemd-journal10:46:310
256639980,1cyclictest240-21systemd-journal09:03:440
256639980,1cyclictest240-21systemd-journal08:59:420
256639980,1cyclictest240-21systemd-journal08:17:000
256639980,1cyclictest240-21systemd-journal08:13:570
256639980,1cyclictest240-21systemd-journal07:44:590
256639980,1cyclictest240-21systemd-journal07:40:000
256639980,1cyclictest0-21swapper/008:35:120
256859977,0cyclictest35-21ksoftirqd/312:34:113
256859975,1cyclictest3754-21ssh10:57:293
256859975,1cyclictest24435-21ssh10:41:023
256859974,1cyclictest13907-21apt-get11:55:123
256859974,0cyclictest18506-21diskmemload11:07:453
256859973,4cyclictest561-21nscd08:45:113
256859973,2cyclictest240-21systemd-journal08:55:583
256859972,2cyclictest13216-21aten_r1power_cu07:50:113
256859972,2cyclictest11029-21grep11:50:153
256859970,4cyclictest18506-21diskmemload12:05:213
256859970,4cyclictest0-21swapper/309:21:093
256859970,3cyclictest27028-21ntp_states07:10:173
256859970,3cyclictest0-21swapper/311:35:243
256859970,2cyclictest0-21swapper/311:33:213
256859970,1cyclictest4264-21perl07:30:133
256789976,1cyclictest61650irq/122-eno111:35:112
256789976,1cyclictest61650irq/122-eno111:10:472
256789976,1cyclictest61650irq/122-eno111:08:112
256789976,1cyclictest61650irq/122-eno111:00:152
256789976,1cyclictest61650irq/122-eno110:35:152
256789976,1cyclictest61650irq/122-eno109:56:352
256789976,1cyclictest61650irq/122-eno109:53:462
256789976,1cyclictest61650irq/122-eno109:45:122
256789976,1cyclictest61650irq/122-eno109:45:122
256789976,1cyclictest61650irq/122-eno109:13:492
256789976,1cyclictest61650irq/122-eno108:45:142
256789975,1cyclictest61650irq/122-eno111:40:142
256789975,1cyclictest61650irq/122-eno110:30:112
256789975,1cyclictest61650irq/122-eno109:40:122
256789975,1cyclictest61650irq/122-eno109:35:132
256789975,1cyclictest61650irq/122-eno109:20:152
256789974,2cyclictest0-21swapper/211:20:092
256789973,2cyclictest8888-21python10:20:212
256789973,1cyclictest240-21systemd-journal11:17:162
256789971,5cyclictest4003-21apt-get12:25:102
256789970,1cyclictest0-21swapper/207:20:192
256719970,7cyclictest0-21swapper/112:24:471
256719970,5cyclictest0-21swapper/111:34:531
256719970,4cyclictest0-21swapper/110:50:051
256719970,3cyclictest0-21swapper/110:30:101
256719970,1cyclictest0-21swapper/109:15:111
256639970,2cyclictest788-21ssh12:20:130
256639970,1cyclictest19012-21needreboot08:00:150
5019260,1sleep10-21swapper/111:41:481
256859965,1cyclictest954-21sshd07:24:533
256859965,1cyclictest8337-21ssh11:45:383
256859965,1cyclictest28909-21ssh10:48:033
256859965,1cyclictest26652-21ssh11:28:003
256859965,1cyclictest13295-21ssh12:35:253
256859965,1cyclictest12415-21ssh10:25:193
256859964,1cyclictest781-21ssh09:27:333
256859964,1cyclictest19242-21ssh09:51:033
256859964,1cyclictest18506-21diskmemload09:59:213
256859964,0cyclictest18506-21diskmemload11:22:533
256859964,0cyclictest18506-21diskmemload11:10:283
256859963,1cyclictest35-21ksoftirqd/307:40:573
256859963,1cyclictest240-21systemd-journal08:17:273
256859963,1cyclictest19880-21/usr/sbin/munin10:35:173
256859962,1cyclictest26103-21ntp_states10:00:173
256859962,0cyclictest18506-21diskmemload12:10:043
256859961,3cyclictest0-21swapper/311:15:563
256859961,3cyclictest0-21swapper/307:15:203
256859960,5cyclictest0-21swapper/312:15:323
256859960,4cyclictest0-21swapper/311:40:093
256859960,3cyclictest0-21swapper/310:50:123
256859960,3cyclictest0-21swapper/310:15:383
256859960,3cyclictest0-21swapper/309:36:503
256859960,1cyclictest6710-21sed07:35:143
256859960,1cyclictest0-21swapper/311:01:573
256789966,0cyclictest61650irq/122-eno112:15:192
256789966,0cyclictest61650irq/122-eno112:05:062
256789966,0cyclictest61650irq/122-eno110:55:082
256789966,0cyclictest61650irq/122-eno110:41:392
256789966,0cyclictest61650irq/122-eno110:25:052
256789966,0cyclictest61650irq/122-eno110:00:142
256789966,0cyclictest61650irq/122-eno109:30:102
256789966,0cyclictest61650irq/122-eno109:25:112
256789966,0cyclictest61650irq/122-eno109:15:052
256789966,0cyclictest61650irq/122-eno108:56:092
256789966,0cyclictest61650irq/122-eno108:39:172
256789966,0cyclictest61650irq/122-eno108:27:032
256789966,0cyclictest61650irq/122-eno108:18:512
256789966,0cyclictest61650irq/122-eno108:10:102
256789966,0cyclictest61650irq/122-eno108:05:182
256789966,0cyclictest61650irq/122-eno108:05:172
256789966,0cyclictest61650irq/122-eno108:00:132
256789966,0cyclictest61650irq/122-eno107:36:462
256789965,1cyclictest8915-21ntpq12:30:152
256789965,1cyclictest6404-21ssh11:45:032
256789965,1cyclictest61650irq/122-eno110:11:092
256789965,1cyclictest28-21ksoftirqd/208:41:192
256789964,1cyclictest61650irq/122-eno107:40:122
256789963,1cyclictest18506-21diskmemload11:30:122
256789961,2cyclictest0-21swapper/209:05:122
256719966,0cyclictest0-21swapper/110:39:231
256719964,1cyclictest0-21swapper/110:45:001
256719962,2cyclictest0-21swapper/110:10:351
256719961,3cyclictest0-21swapper/112:25:101
256719961,3cyclictest0-21swapper/111:10:101
256719960,6cyclictest0-21swapper/111:35:421
256719960,6cyclictest0-21swapper/110:08:581
256719960,5cyclictest0-21swapper/108:15:141
256719960,2cyclictest0-21swapper/109:27:191
256719960,1cyclictest0-21swapper/109:50:151
256859955,0cyclictest12227-21kworker/3:108:50:383
256859953,1cyclictest559-21cron08:34:593
256859953,1cyclictest38902sleep309:30:283
256859953,1cyclictest35-21ksoftirqd/308:27:223
256859953,1cyclictest29356-21taskset08:23:183
256859951,2cyclictest17451-21runrttasks07:57:083
256859951,1cyclictest12815-21latency_hist07:49:593
256859951,1cyclictest0-21swapper/307:25:183
256859950,2cyclictest0-21swapper/309:10:013
256789955,0cyclictest61650irq/122-eno108:50:172
256789955,0cyclictest61650irq/122-eno108:30:002
256789955,0cyclictest61650irq/122-eno108:20:092
256789955,0cyclictest61650irq/122-eno107:10:172
256789954,1cyclictest61650irq/122-eno109:00:172
256789954,1cyclictest61650irq/122-eno107:45:122
256789953,1cyclictest4659-21strings07:30:162
256789950,3cyclictest0-21swapper/207:25:112
256719955,0cyclictest0-21swapper/111:50:471
256719953,1cyclictest0-21swapper/108:00:141
256719951,3cyclictest0-21swapper/110:25:111
256719951,2cyclictest0-21swapper/107:15:011
256719950,5cyclictest0-21swapper/110:16:581
256719950,5cyclictest0-21swapper/110:04:131
256719950,5cyclictest0-21swapper/108:20:281
256719950,3cyclictest0-21swapper/109:30:321
256719950,2cyclictest0-21swapper/112:36:081
256719950,2cyclictest0-21swapper/111:06:091
256719950,2cyclictest0-21swapper/108:10:101
256719950,2cyclictest0-21swapper/107:30:101
256719950,1cyclictest0-21swapper/112:11:281
256719950,1cyclictest0-21swapper/111:20:101
256719950,1cyclictest0-21swapper/110:55:121
256719950,1cyclictest0-21swapper/108:40:141
256719950,0cyclictest0-21swapper/108:52:181
28246240,0sleep10-21swapper/110:46:131
256859944,0cyclictest5794-21sensors08:40:193
256859943,1cyclictest2072-21basename08:35:123
256859943,1cyclictest18815-21cat08:00:143
256859940,2cyclictest240-21systemd-journal08:10:013
256859940,1cyclictest20645-21cstates08:05:133
256859940,1cyclictest20645-21cstates08:05:133
256719942,1cyclictest5947-21chrt09:35:021
256719941,3cyclictest0-21swapper/111:45:111
256719941,1cyclictest0-21swapper/111:55:111
256719941,1cyclictest0-21swapper/109:05:121
256719941,1cyclictest0-21swapper/107:25:151
256719941,1cyclictest0-21swapper/107:15:121
256719940,4cyclictest0-21swapper/112:00:161
256719940,4cyclictest0-21swapper/107:20:141
256719940,3cyclictest0-21swapper/111:16:041
256719940,3cyclictest0-21swapper/109:10:511
256719940,3cyclictest0-21swapper/107:55:001
256719940,2cyclictest0-21swapper/109:00:111
256719940,2cyclictest0-21swapper/108:45:191
256719940,2cyclictest0-21swapper/107:55:111
256719940,1cyclictest0-21swapper/111:00:161
256719940,1cyclictest0-21swapper/108:30:131
256719940,0cyclictest0-21swapper/112:15:191
256719940,0cyclictest0-21swapper/111:25:111
256719940,0cyclictest0-21swapper/110:20:121
256719940,0cyclictest0-21swapper/109:45:461
256719940,0cyclictest0-21swapper/109:45:451
256719940,0cyclictest0-21swapper/109:22:151
256719940,0cyclictest0-21swapper/108:55:121
256719940,0cyclictest0-21swapper/108:35:191
256719940,0cyclictest0-21swapper/108:05:191
256719940,0cyclictest0-21swapper/108:05:181
256719932,1cyclictest0-21swapper/108:25:131
256719930,1cyclictest0-21swapper/107:45:121
256719930,0cyclictest0-21swapper/107:37:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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