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2026-07-09 - 16:43
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Thu Jul 09, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13822233161,57sleep00-21swapper/007:06:310
14672226157,24sleep30-21swapper/307:07:383
13472223160,20sleep20-21swapper/207:06:042
14652209163,26sleep10-21swapper/107:07:361
595221170,0sleep10-21swapper/111:35:141
166372630,0sleep00-21swapper/012:35:000
175599199,10cyclictest0-21swapper/211:20:162
209532150,0sleep220951-21idleruntime-cro09:45:002
1748991412,1cyclictest9-21ksoftirqd/007:55:000
176399131,3cyclictest26235-21/usr/sbin/munin08:00:193
176399130,1cyclictest2518-21memory11:30:173
176399130,0cyclictest0-21swapper/311:45:153
175199130,12cyclictest0-21swapper/111:20:141
176399122,1cyclictest26614-21diskmemload11:40:123
176399121,1cyclictest240-21systemd-journal11:05:003
176399120,1cyclictest240-21systemd-journal08:46:063
176399120,1cyclictest0-21swapper/311:53:183
176399120,0cyclictest0-21swapper/311:22:493
1755991211,1cyclictest28-21ksoftirqd/212:35:002
1755991210,1cyclictest28-21ksoftirqd/210:20:002
175599120,12cyclictest0-21swapper/209:17:512
1748991211,1cyclictest9-21ksoftirqd/009:35:000
1748991211,1cyclictest9-21ksoftirqd/009:20:170
1748991210,1cyclictest9-21ksoftirqd/010:05:160
1748991210,1cyclictest9-21ksoftirqd/007:20:160
174899120,12cyclictest0-21swapper/011:05:110
176399119,1cyclictest35-21ksoftirqd/308:20:013
176399111,2cyclictest26614-21diskmemload10:28:163
176399111,2cyclictest26614-21diskmemload09:30:563
176399111,1cyclictest1196-21ssh12:13:113
176399110,2cyclictest16526-21sed12:35:003
176399110,1cyclictest240-21systemd-journal07:39:553
1755991110,1cyclictest28-21ksoftirqd/211:10:002
1755991110,1cyclictest28-21ksoftirqd/210:40:012
174899119,1cyclictest9-21ksoftirqd/010:45:150
174899118,2cyclictest9-21ksoftirqd/007:45:000
1748991110,1cyclictest9-21ksoftirqd/011:45:180
1748991110,1cyclictest9-21ksoftirqd/009:45:220
1748991110,1cyclictest9-21ksoftirqd/009:45:000
176399102,0cyclictest26614-21diskmemload12:27:153
176399102,0cyclictest26614-21diskmemload10:39:543
176399102,0cyclictest0-21swapper/310:17:393
176399101,9cyclictest0-21swapper/312:07:263
176399101,1cyclictest30210-21hddtemp_smartct10:40:143
176399101,1cyclictest26614-21diskmemload12:38:443
176399101,0cyclictest26614-21diskmemload10:30:323
176399101,0cyclictest26614-21diskmemload10:12:053
176399101,0cyclictest12172-21telnet07:30:123
176399100,3cyclictest0-21swapper/309:13:243
176399100,2cyclictest0-21swapper/312:15:163
176399100,2cyclictest0-21swapper/311:13:333
176399100,2cyclictest0-21swapper/309:15:303
176399100,1cyclictest0-21swapper/311:16:373
176399100,0cyclictest26614-21diskmemload11:26:033
175599109,1cyclictest28-21ksoftirqd/212:20:152
175599109,1cyclictest28-21ksoftirqd/210:05:142
175599109,1cyclictest28-21ksoftirqd/209:50:152
175599109,1cyclictest28-21ksoftirqd/208:50:002
175199100,0cyclictest0-21swapper/111:10:121
174899109,1cyclictest9-21ksoftirqd/012:25:210
174899109,1cyclictest9-21ksoftirqd/011:05:000
174899109,1cyclictest9-21ksoftirqd/010:00:130
174899106,3cyclictest9-21ksoftirqd/010:30:160
11082100,1sleep21110-21grep08:15:132
24702298,0sleep228-21ksoftirqd/211:15:572
17639995,4cyclictest5456-21ssh10:05:353
17639995,4cyclictest17354-21ssh10:23:223
17639994,4cyclictest26297-21sensors09:50:203
17639994,4cyclictest21937-21ssh11:56:353
17639992,0cyclictest26614-21diskmemload10:46:013
17639991,1cyclictest26614-21diskmemload11:37:493
17639991,1cyclictest26614-21diskmemload10:50:123
17639990,4cyclictest5225-21wc07:15:133
17639990,2cyclictest0-21swapper/312:21:353
17639990,2cyclictest0-21swapper/309:29:033
17639990,2cyclictest0-21swapper/309:20:403
17639990,1cyclictest934-21ntp_states10:00:183
17639990,1cyclictest240-21systemd-journal08:25:003
17559998,1cyclictest28-21ksoftirqd/209:30:002
17559997,1cyclictest28-21ksoftirqd/211:05:002
17559997,1cyclictest28-21ksoftirqd/210:50:002
17559997,1cyclictest28-21ksoftirqd/208:00:002
17559994,2cyclictest548-21systemd-logind11:27:082
17559991,7cyclictest4107-21munin-node09:23:082
17559990,8cyclictest0-21swapper/209:45:202
17559990,7cyclictest13034-21sh09:33:572
17519990,4cyclictest0-21swapper/110:40:031
17519990,4cyclictest0-21swapper/110:20:191
17519990,4cyclictest0-21swapper/109:25:141
17489999,0cyclictest9-21ksoftirqd/011:56:550
17489999,0cyclictest9-21ksoftirqd/010:50:120
17489999,0cyclictest9-21ksoftirqd/008:05:000
17489998,1cyclictest9-21ksoftirqd/010:35:120
17489998,1cyclictest9-21ksoftirqd/009:10:000
17489997,1cyclictest9-21ksoftirqd/012:00:100
17489997,1cyclictest9-21ksoftirqd/008:05:130
17489991,4cyclictest17352-21perf09:40:000
17489990,6cyclictest4107-21munin-node08:35:550
17639987,1cyclictest35-21ksoftirqd/307:14:463
17639983,1cyclictest26614-21diskmemload09:48:093
17639982,1cyclictest22906-21grep09:00:153
17639982,1cyclictest22415-21irqstats07:50:163
17639982,1cyclictest11903-21cat07:30:003
17639981,4cyclictest13424-21apt-get09:35:013
17639981,1cyclictest240-21systemd-journal08:09:553
17639980,2cyclictest240-21systemd-journal08:35:063
17639980,1cyclictest240-21systemd-journal12:01:253
17639980,1cyclictest240-21systemd-journal11:05:243
17639980,1cyclictest240-21systemd-journal09:56:233
17639980,1cyclictest240-21systemd-journal09:40:073
17639980,1cyclictest240-21systemd-journal09:05:013
17639980,1cyclictest240-21systemd-journal08:41:063
17639980,1cyclictest240-21systemd-journal08:30:363
17639980,1cyclictest240-21systemd-journal08:25:213
17639980,1cyclictest240-21systemd-journal07:58:513
17639980,1cyclictest240-21systemd-journal07:24:503
17639980,1cyclictest0-21swapper/308:10:013
17559988,0cyclictest28-21ksoftirqd/209:05:192
17559988,0cyclictest0-21swapper/211:55:142
17559988,0cyclictest0-21swapper/211:49:522
17559988,0cyclictest0-21swapper/210:51:232
17559987,1cyclictest28-21ksoftirqd/212:10:012
17559987,1cyclictest28-21ksoftirqd/210:30:002
17559987,1cyclictest28-21ksoftirqd/207:25:002
17559986,1cyclictest61650irq/122-eno112:05:142
17559986,1cyclictest28-21ksoftirqd/212:35:202
17559986,1cyclictest28-21ksoftirqd/208:50:142
17489988,0cyclictest9-21ksoftirqd/012:16:020
17489988,0cyclictest9-21ksoftirqd/010:10:150
17489987,1cyclictest9-21ksoftirqd/009:55:200
17489987,1cyclictest9-21ksoftirqd/008:40:100
17489987,1cyclictest9-21ksoftirqd/007:30:140
17489986,1cyclictest9-21ksoftirqd/010:25:130
17489986,1cyclictest9-21ksoftirqd/009:50:160
17489984,2cyclictest240-21systemd-journal11:55:000
17489984,0cyclictest0-21swapper/007:15:180
17489983,4cyclictest561-21nscd12:35:150
17489980,7cyclictest8799-21ssh11:40:110
17489980,7cyclictest5371-21expr11:35:110
17639973,4cyclictest18227-21switchtime07:40:223
17639972,1cyclictest19917-21grep07:45:143
17639972,1cyclictest10002-21sh10:55:403
17639971,1cyclictest18312-21irqstats08:50:163
17639970,1cyclictest240-21systemd-journal08:57:073
17559976,1cyclictest61650irq/122-eno111:13:562
17559976,1cyclictest61650irq/122-eno110:30:112
17559976,1cyclictest61650irq/122-eno109:13:502
17559976,1cyclictest28-21ksoftirqd/211:30:202
17559975,1cyclictest61650irq/122-eno112:00:192
17559975,1cyclictest61650irq/122-eno111:35:182
17559975,1cyclictest28-21ksoftirqd/208:35:132
17559975,1cyclictest28-21ksoftirqd/208:30:132
17559975,1cyclictest28-21ksoftirqd/208:10:122
17559974,1cyclictest294-21systemd-udevd10:59:082
17559972,2cyclictest240-21systemd-journal09:58:382
17559971,2cyclictest12333-21latency_hist11:45:002
17559970,2cyclictest18036-21latency_hist10:25:002
17519971,4cyclictest0-21swapper/110:50:201
17519970,6cyclictest0-21swapper/111:30:461
17519970,3cyclictest0-21swapper/112:14:251
17489977,0cyclictest9-21ksoftirqd/009:10:180
17489976,1cyclictest31870-21ssh10:42:260
17489975,1cyclictest9128-21ssh09:28:580
17489975,1cyclictest9-21ksoftirqd/011:21:430
17489975,1cyclictest9-21ksoftirqd/011:15:110
17489975,1cyclictest19195-21aten_r1power_po11:10:130
17489974,2cyclictest15591-21memory10:20:180
17489974,1cyclictest240-21systemd-journal08:24:360
17489973,4cyclictest28109-21wc12:05:150
17489973,3cyclictest19154-21/usr/sbin/munin07:45:200
17489973,2cyclictest240-21systemd-journal11:27:540
17489970,6cyclictest7294-21ssh12:20:200
17489970,6cyclictest26614-21diskmemload10:15:160
17489970,6cyclictest1876-21perf12:15:010
17489970,6cyclictest1418-21ssh11:30:020
17489970,6cyclictest0-21swapper/008:50:210
17489970,6cyclictest0-21swapper/008:25:210
17489970,1cyclictest26614-21diskmemload10:58:560
17489970,1cyclictest0-21swapper/009:15:010
17489970,0cyclictest0-21swapper/008:45:130
17559966,0cyclictest61650irq/122-eno112:25:112
17559966,0cyclictest61650irq/122-eno112:15:192
17559966,0cyclictest61650irq/122-eno110:10:182
17559966,0cyclictest61650irq/122-eno109:35:132
17559966,0cyclictest61650irq/122-eno109:00:112
17559966,0cyclictest61650irq/122-eno108:58:062
17559966,0cyclictest61650irq/122-eno108:44:352
17559966,0cyclictest61650irq/122-eno108:09:152
17559966,0cyclictest61650irq/122-eno107:54:292
17559966,0cyclictest61650irq/122-eno107:30:142
17559966,0cyclictest61650irq/122-eno107:10:212
17559966,0cyclictest28-21ksoftirqd/211:50:132
17559965,1cyclictest61650irq/122-eno110:00:112
17559964,1cyclictest28-21ksoftirqd/208:25:142
17559964,1cyclictest28-21ksoftirqd/207:40:142
17559964,1cyclictest28-21ksoftirqd/207:30:002
17559964,1cyclictest28-21ksoftirqd/207:15:012
17559961,3cyclictest29550-21sh10:40:122
17519963,1cyclictest0-21swapper/109:42:331
17519961,3cyclictest0-21swapper/112:20:111
17519961,1cyclictest0-21swapper/111:55:091
17519961,1cyclictest0-21swapper/111:00:131
17519960,6cyclictest0-21swapper/112:00:321
17519960,6cyclictest0-21swapper/109:22:551
17519960,5cyclictest0-21swapper/112:35:151
17519960,5cyclictest0-21swapper/109:52:261
17519960,4cyclictest0-21swapper/110:58:501
17519960,4cyclictest0-21swapper/109:05:161
17519960,3cyclictest0-21swapper/112:15:121
17519960,3cyclictest0-21swapper/111:50:321
17519960,3cyclictest0-21swapper/111:25:141
17519960,3cyclictest0-21swapper/110:35:241
17519960,2cyclictest0-21swapper/111:41:211
17519960,2cyclictest0-21swapper/110:25:361
17519960,2cyclictest0-21swapper/110:05:111
17519960,2cyclictest0-21swapper/110:00:051
17519960,0cyclictest0-21swapper/110:45:171
17519960,0cyclictest0-21swapper/109:45:131
17519960,0cyclictest0-21swapper/109:11:351
17489966,0cyclictest0-21swapper/008:10:100
17489965,1cyclictest9-21ksoftirqd/007:10:110
17489964,1cyclictest9-21ksoftirqd/007:25:150
17489960,6cyclictest0-21swapper/009:01:410
17489960,0cyclictest0-21swapper/008:30:120
17489960,0cyclictest0-21swapper/008:17:200
17489960,0cyclictest0-21swapper/007:55:100
17559955,0cyclictest61650irq/122-eno108:20:112
17559955,0cyclictest61650irq/122-eno107:35:012
17559954,1cyclictest28-21ksoftirqd/208:00:132
17559950,1cyclictest0-21swapper/207:45:112
17519955,0cyclictest0-21swapper/109:30:241
17519951,3cyclictest0-21swapper/109:18:021
17519951,3cyclictest0-21swapper/108:45:111
17519951,2cyclictest0-21swapper/110:10:111
17519951,1cyclictest0-21swapper/109:59:161
17519951,1cyclictest0-21swapper/108:50:161
17519950,5cyclictest0-21swapper/108:16:571
17519950,3cyclictest0-21swapper/109:35:111
17519950,2cyclictest0-21swapper/112:33:511
17519950,2cyclictest0-21swapper/111:05:451
17519950,2cyclictest0-21swapper/110:30:101
17519950,2cyclictest0-21swapper/108:25:211
17519950,2cyclictest0-21swapper/107:40:121
17519950,2cyclictest0-21swapper/107:10:141
17519950,1cyclictest0-21swapper/112:07:411
17519950,1cyclictest0-21swapper/109:00:201
17519950,1cyclictest0-21swapper/108:30:171
17519950,1cyclictest0-21swapper/107:30:071
17519950,1cyclictest0-21swapper/107:22:121
17519950,0cyclictest0-21swapper/111:45:591
17519950,0cyclictest0-21swapper/111:16:591
17489954,1cyclictest9-21ksoftirqd/007:35:110
17489951,2cyclictest0-21swapper/008:55:100
17519944,0cyclictest0-21swapper/107:17:551
17519943,1cyclictest0-21swapper/108:10:101
17519941,2cyclictest0-21swapper/108:55:101
17519940,4cyclictest0-21swapper/107:35:061
17519940,3cyclictest0-21swapper/112:25:051
17519940,3cyclictest0-21swapper/108:10:001
17519940,2cyclictest0-21swapper/108:40:121
17519940,2cyclictest0-21swapper/107:25:111
17519940,1cyclictest0-21swapper/110:15:281
17519940,1cyclictest0-21swapper/108:00:181
17519940,1cyclictest0-21swapper/107:50:181
17519940,1cyclictest0-21swapper/107:46:391
17519940,0cyclictest0-21swapper/108:20:191
17519940,0cyclictest0-21swapper/107:55:191
17519930,1cyclictest0-21swapper/108:35:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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