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2026-05-18 - 18:27
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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 Mon May 18, 2026 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
231642223158,22sleep00-21swapper/007:06:040
231642223158,22sleep00-21swapper/007:06:030
233462204154,24sleep30-21swapper/307:08:283
233462204154,24sleep30-21swapper/307:08:283
232002200163,24sleep10-21swapper/107:06:331
232002200163,24sleep10-21swapper/107:06:321
233552199161,25sleep20-21swapper/207:08:342
233552199161,25sleep20-21swapper/207:08:342
50432760,0sleep10-21swapper/109:35:161
165282200,0sleep216531-21uniq12:00:152
17512170,0sleep00-21swapper/009:30:180
23553991616,0cyclictest0-21swapper/211:04:212
57102150,0sleep00-21swapper/011:02:010
2354099143,5cyclictest26678-21perf10:05:010
23568991211,1cyclictest35-21ksoftirqd/311:10:003
2354899128,4cyclictest203-21jbd2/sda2-811:10:461
2354099123,4cyclictest30387-21latency_hist10:09:590
23540991210,1cyclictest9-21ksoftirqd/007:50:010
2354099120,12cyclictest0-21swapper/010:15:170
2356899119,1cyclictest35-21ksoftirqd/310:35:003
23568991110,1cyclictest35-21ksoftirqd/310:10:003
2354099112,4cyclictest20268-21sort09:14:590
2356899109,1cyclictest35-21ksoftirqd/311:45:003
2356899109,1cyclictest35-21ksoftirqd/310:40:003
2356899100,7cyclictest25966-1kworker/u9:211:34:323
23553991010,0cyclictest0-21swapper/209:21:062
2354899100,10cyclictest0-21swapper/111:21:581
2354099100,7cyclictest994-21apt-get11:40:100
235689998,1cyclictest561-21nscd09:11:243
235689998,1cyclictest35-21ksoftirqd/312:20:003
235689998,1cyclictest35-21ksoftirqd/312:00:003
235689998,1cyclictest35-21ksoftirqd/311:25:003
235689998,1cyclictest35-21ksoftirqd/310:50:013
235689998,1cyclictest35-21ksoftirqd/309:35:013
235689998,1cyclictest35-21ksoftirqd/308:19:593
235689990,5cyclictest0-21swapper/310:00:113
235539990,4cyclictest9551-21apt-get08:55:132
235489990,0cyclictest0-21swapper/108:22:501
235409991,4cyclictest14080-21perf09:05:000
235409990,7cyclictest240-21systemd-journal11:49:590
235409990,1cyclictest0-21swapper/008:30:120
235689988,0cyclictest35-21ksoftirqd/312:10:013
235689987,1cyclictest35-21ksoftirqd/312:20:153
235689987,1cyclictest35-21ksoftirqd/311:02:553
235689987,1cyclictest35-21ksoftirqd/310:25:013
235689987,1cyclictest35-21ksoftirqd/309:45:163
235689986,1cyclictest35-21ksoftirqd/309:30:003
235689986,1cyclictest35-21ksoftirqd/309:15:153
235689986,1cyclictest35-21ksoftirqd/309:00:003
235689986,1cyclictest35-21ksoftirqd/307:35:003
235689986,1cyclictest13230-21perf07:55:013
235689984,3cyclictest35-21ksoftirqd/312:29:293
235689980,5cyclictest6960-21grep08:50:013
235539986,1cyclictest61650irq/122-eno109:49:562
235539986,1cyclictest61650irq/122-eno109:30:112
235539986,1cyclictest28-21ksoftirqd/208:10:012
235539983,2cyclictest240-21systemd-journal11:08:332
235539980,6cyclictest26930-21kworker/u8:209:39:312
235539980,1cyclictest0-21swapper/211:20:462
235489980,8cyclictest0-21swapper/109:52:271
235489980,8cyclictest0-21swapper/107:49:141
235489980,6cyclictest0-21swapper/110:05:121
235489980,0cyclictest0-21swapper/112:06:451
235409983,5cyclictest11673-21pluginstate09:45:000
235409981,6cyclictest30975-21ssh10:52:530
235409981,1cyclictest28996-21ssh11:33:490
235409980,5cyclictest25753-21sed11:30:010
235409980,3cyclictest0-21swapper/010:55:160
235409980,1cyclictest0-21swapper/012:11:200
235689976,1cyclictest35-21ksoftirqd/311:50:003
235689976,1cyclictest35-21ksoftirqd/310:55:183
235689976,1cyclictest35-21ksoftirqd/310:45:003
235689976,1cyclictest35-21ksoftirqd/309:57:533
235689975,1cyclictest35-21ksoftirqd/307:45:003
235689975,1cyclictest30887-21ssh10:52:393
235689972,5cyclictest3812-21kworker/u8:109:37:063
235689971,4cyclictest30120-21cstates11:35:133
235689971,4cyclictest17311-21/usr/sbin/munin12:00:193
235689971,3cyclictest0-21swapper/309:40:483
235689970,5cyclictest0-21swapper/309:50:563
235689970,4cyclictest0-21swapper/312:30:143
235539976,1cyclictest61650irq/122-eno111:51:462
235539976,1cyclictest61650irq/122-eno111:45:102
235539976,1cyclictest61650irq/122-eno111:40:142
235539976,1cyclictest61650irq/122-eno111:32:532
235539976,1cyclictest61650irq/122-eno110:25:152
235539976,1cyclictest61650irq/122-eno110:10:172
235539976,1cyclictest61650irq/122-eno110:06:062
235539976,1cyclictest61650irq/122-eno109:55:152
235539976,1cyclictest61650irq/122-eno108:30:132
235539976,1cyclictest61650irq/122-eno107:25:222
235539976,0cyclictest61650irq/122-eno110:55:172
235539975,1cyclictest61650irq/122-eno112:35:152
235539975,1cyclictest61650irq/122-eno112:10:122
235539975,1cyclictest61650irq/122-eno111:10:152
235539975,1cyclictest61650irq/122-eno110:50:132
235539975,1cyclictest61650irq/122-eno110:20:122
235539975,1cyclictest61650irq/122-eno110:15:122
235539975,1cyclictest61650irq/122-eno109:50:152
235539975,1cyclictest61650irq/122-eno107:45:182
235539975,1cyclictest28-21ksoftirqd/208:45:012
235539975,1cyclictest1747-21ntpd07:55:582
235539973,1cyclictest240-21systemd-journal09:25:472
235539972,4cyclictest20836-21apt-get10:40:122
235539971,4cyclictest0-21swapper/210:45:162
235539970,1cyclictest0-21swapper/211:25:112
235489971,5cyclictest0-21swapper/109:24:011
235489970,7cyclictest0-21swapper/107:25:251
235489970,5cyclictest0-21swapper/110:50:331
235489970,4cyclictest0-21swapper/111:47:331
235489970,4cyclictest0-21swapper/110:55:241
235489970,4cyclictest0-21swapper/109:30:101
235489970,4cyclictest0-21swapper/107:35:171
235409976,1cyclictest21976-21ssh09:57:370
235409976,1cyclictest18061-1kworker/u9:112:05:340
235409971,5cyclictest0-21swapper/008:35:120
235409971,3cyclictest29528-21ssh12:17:090
235409970,6cyclictest8967-21ssh11:50:130
235409970,6cyclictest8819-1kworker/u9:209:15:120
235409970,6cyclictest6658-1kworker/u9:111:55:140
235409970,6cyclictest29001-21ssh09:25:110
235409970,6cyclictest21763-21irqstats10:40:170
235409970,6cyclictest20301-21apt-get08:10:010
235409970,6cyclictest18695-21ssh12:03:070
235409970,6cyclictest15281-21memory09:05:170
235409970,6cyclictest14765-21aten_r1power_cu11:15:110
235409970,6cyclictest13880-21diskstats10:30:140
235409970,6cyclictest10443-21hddtemp_smartct10:25:150
235409970,6cyclictest0-21swapper/007:50:130
235409970,4cyclictest30906-21ssh12:20:000
235409970,1cyclictest9000-21sshd08:51:080
235409970,1cyclictest7642-21ssh09:39:150
235409970,1cyclictest5278-21ssh12:28:320
235409970,1cyclictest31726-21ssh10:10:170
235409970,1cyclictest31703-21ssh11:35:570
235409970,1cyclictest27982-21ssh09:23:550
235409970,1cyclictest2622-21ntp_states07:30:180
235409970,1cyclictest21169-21ssh11:22:520
235409970,1cyclictest18347-21ssh09:52:530
235409970,1cyclictest10500-21ssh12:35:150
235409970,1cyclictest0-21swapper/010:45:130
235409970,1cyclictest0-21swapper/010:35:220
235409970,1cyclictest0-21swapper/009:45:220
235689965,1cyclictest35-21ksoftirqd/311:25:133
235689965,1cyclictest35-21ksoftirqd/311:15:133
235689965,1cyclictest35-21ksoftirqd/309:10:013
235689965,1cyclictest35-21ksoftirqd/308:55:003
235689965,1cyclictest35-21ksoftirqd/308:35:013
235689965,1cyclictest35-21ksoftirqd/308:15:013
235689965,1cyclictest35-21ksoftirqd/307:45:123
235689965,1cyclictest35-21ksoftirqd/307:15:013
235689965,1cyclictest30966-21sshd07:20:553
235689965,1cyclictest12988-21ssh12:39:163
235689965,0cyclictest35-21ksoftirqd/311:10:123
235689964,1cyclictest23758-21apt-get07:10:123
235689963,3cyclictest16395-21diskmemload10:25:593
235689963,1cyclictest2983-21df08:40:123
235689962,3cyclictest35-21ksoftirqd/310:12:163
235689962,1cyclictest0-21swapper/312:10:113
235689961,3cyclictest32537-21apt-get08:35:123
235689960,4cyclictest294-21systemd-udevd08:03:073
235689960,3cyclictest16395-21diskmemload10:15:533
235689960,3cyclictest0-21swapper/309:22:503
235689960,2cyclictest0-21swapper/311:50:113
235539966,0cyclictest61650irq/122-eno111:15:062
235539966,0cyclictest61650irq/122-eno109:15:172
235539966,0cyclictest61650irq/122-eno108:25:122
235539966,0cyclictest61650irq/122-eno108:15:132
235539966,0cyclictest61650irq/122-eno108:10:182
235539966,0cyclictest61650irq/122-eno107:36:062
235539966,0cyclictest61650irq/122-eno107:15:142
235539966,0cyclictest61650irq/122-eno107:12:502
235539965,1cyclictest9422-21ntpq09:40:182
235539965,1cyclictest61650irq/122-eno110:35:452
235539965,1cyclictest61650irq/122-eno110:30:122
235539965,1cyclictest61650irq/122-eno109:10:252
235539965,1cyclictest61650irq/122-eno107:40:012
235539965,1cyclictest61650irq/122-eno107:21:422
235539965,1cyclictest6002-21ntpq08:45:172
235539965,1cyclictest27582-21ssh12:15:132
235539965,1cyclictest2360-21ssh12:25:092
235539965,1cyclictest13077-21ntpq09:00:172
235539965,1cyclictest12161-21ssh11:55:072
235539965,0cyclictest61650irq/122-eno112:20:012
235539965,0cyclictest61650irq/122-eno111:35:182
235539964,1cyclictest61650irq/122-eno107:30:182
235539964,1cyclictest23125-21ssh10:00:022
235539960,5cyclictest6095-21apt-get12:30:112
235539960,4cyclictest0-21swapper/207:50:112
235489961,3cyclictest0-21swapper/111:50:161
235489961,3cyclictest0-21swapper/109:10:111
235489960,6cyclictest0-21swapper/112:14:451
235489960,6cyclictest0-21swapper/111:59:151
235489960,6cyclictest0-21swapper/111:30:041
235489960,6cyclictest0-21swapper/111:18:061
235489960,6cyclictest0-21swapper/110:39:551
235489960,6cyclictest0-21swapper/110:34:131
235489960,6cyclictest0-21swapper/110:13:381
235489960,6cyclictest0-21swapper/110:00:011
235489960,6cyclictest0-21swapper/109:46:291
235489960,6cyclictest0-21swapper/109:25:151
235489960,6cyclictest0-21swapper/109:15:551
235489960,5cyclictest0-21swapper/112:35:161
235489960,5cyclictest0-21swapper/112:30:351
235489960,5cyclictest0-21swapper/110:45:181
235489960,5cyclictest0-21swapper/110:26:151
235489960,5cyclictest0-21swapper/108:10:171
235489960,5cyclictest0-21swapper/108:10:001
235489960,4cyclictest0-21swapper/108:15:101
235489960,3cyclictest0-21swapper/112:20:381
235489960,2cyclictest0-21swapper/112:03:441
235489960,2cyclictest0-21swapper/110:03:151
235489960,1cyclictest11762-21taskset09:45:001
235489960,1cyclictest0-21swapper/112:16:131
235489960,1cyclictest0-21swapper/110:25:001
235489960,1cyclictest0-21swapper/108:49:561
235409965,1cyclictest26637-21ntp_states08:20:180
235409964,1cyclictest6797-21apt-get11:05:000
235409964,1cyclictest32670-21grep07:25:170
235409962,4cyclictest0-21swapper/007:10:120
235409960,6cyclictest0-21swapper/008:55:540
235409960,6cyclictest0-21swapper/008:49:030
235409960,5cyclictest0-21swapper/008:25:120
235409960,4cyclictest0-21swapper/007:20:140
235409960,1cyclictest4819-1kworker/u9:012:30:120
235409960,0cyclictest16395-21diskmemload10:20:440
235409960,0cyclictest0-21swapper/011:10:170
235409960,0cyclictest0-21swapper/007:40:160
235409960,0cyclictest0-21swapper/007:17:120
21492260,1sleep221493-21sh12:05:272
235689954,1cyclictest35-21ksoftirqd/308:24:593
235689954,1cyclictest1045-21sshd07:27:543
235689952,1cyclictest35-21ksoftirqd/307:56:293
235689951,2cyclictest27829-21apt-get08:25:123
235689950,1cyclictest240-21systemd-journal09:02:313
235539955,0cyclictest61650irq/122-eno108:35:142
235539952,1cyclictest7190-21apt-get08:50:092
235539950,5cyclictest0-21swapper/208:20:592
235539950,4cyclictest15826-21/usr/sbin/munin08:00:152
235539950,2cyclictest0-21swapper/209:05:122
235489955,0cyclictest0-21swapper/108:36:371
235489955,0cyclictest0-21swapper/108:03:531
235489955,0cyclictest0-21swapper/107:18:551
235489950,5cyclictest0-21swapper/112:26:061
235489950,5cyclictest0-21swapper/111:40:391
235489950,5cyclictest0-21swapper/111:26:451
235489950,5cyclictest0-21swapper/111:06:211
235489950,5cyclictest0-21swapper/110:44:391
235489950,5cyclictest0-21swapper/109:00:001
235489950,5cyclictest0-21swapper/107:30:191
235489950,5cyclictest0-21swapper/107:25:001
235489950,5cyclictest0-21swapper/107:15:001
235489950,2cyclictest0-21swapper/111:37:071
235489950,2cyclictest0-21swapper/110:15:511
235489950,0cyclictest0-21swapper/111:00:351
235489950,0cyclictest0-21swapper/108:35:011
235409954,1cyclictest4706-21cat07:35:150
235409950,5cyclictest0-21swapper/007:55:090
235409950,2cyclictest240-21systemd-journal08:19:590
235409950,0cyclictest0-21swapper/008:43:420
235409950,0cyclictest0-21swapper/008:06:590
235409950,0cyclictest0-21swapper/008:03:100
235689943,1cyclictest3820-21apt-get07:35:133
235689942,1cyclictest18180-21apt-get08:05:113
235489942,1cyclictest0-21swapper/107:55:441
235489940,4cyclictest0-21swapper/107:40:211
235489940,1cyclictest0-21swapper/109:00:151
235489940,1cyclictest0-21swapper/108:44:551
235489940,0cyclictest0-21swapper/109:05:211
235489940,0cyclictest0-21swapper/108:25:141
235489932,1cyclictest0-21swapper/108:50:001
235489930,1cyclictest0-21swapper/107:50:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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