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2026-04-13 - 01:34
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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 Mon Apr 13, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
107972213161,25sleep30-21swapper/319:09:573
107972213161,25sleep30-21swapper/319:09:573
107712202162,26sleep20-21swapper/219:09:342
107712202162,26sleep20-21swapper/219:09:342
105322199161,25sleep10-21swapper/119:06:291
105322199161,25sleep10-21swapper/119:06:291
86902197160,24sleep00-21swapper/019:05:070
86902197160,24sleep00-21swapper/019:05:060
76402800,0sleep10-21swapper/120:10:011
117982740,0sleep00-21swapper/021:20:000
1091599140,13cyclictest0-21swapper/223:16:202
10902991210,1cyclictest9-21ksoftirqd/023:15:000
102812120,0sleep00-21swapper/023:23:390
10915991110,1cyclictest28-21ksoftirqd/223:45:002
10915991110,1cyclictest28-21ksoftirqd/222:05:002
10915991110,1cyclictest28-21ksoftirqd/200:00:012
10902991110,1cyclictest9-21ksoftirqd/021:10:000
1090299111,5cyclictest7664-21perf20:10:010
1090299110,5cyclictest27687-21ssh21:40:100
1092399108,1cyclictest35-21ksoftirqd/320:25:003
1091599109,1cyclictest28-21ksoftirqd/223:10:012
1091599109,1cyclictest28-21ksoftirqd/220:34:592
1090299109,1cyclictest9-21ksoftirqd/019:20:010
1090299100,6cyclictest3160-21apt-get20:00:120
109239998,1cyclictest35-21ksoftirqd/323:05:013
109239992,7cyclictest693-21runrttasks21:15:103
109159996,1cyclictest61650irq/122-eno121:55:012
109159990,8cyclictest0-21swapper/222:33:022
109029999,0cyclictest9-21ksoftirqd/023:50:010
109029998,1cyclictest9-21ksoftirqd/023:29:590
109029998,1cyclictest9-21ksoftirqd/000:30:000
109029998,1cyclictest9-21ksoftirqd/000:09:590
109029995,2cyclictest240-21systemd-journal21:05:010
109029995,2cyclictest240-21systemd-journal21:05:000
109029990,4cyclictest26708-21tune2fs19:40:120
109239987,1cyclictest5384-21aten_r1power_cu00:00:133
109239987,1cyclictest3519-21diskmemload00:19:503
109239985,1cyclictest35-21ksoftirqd/319:25:003
109239985,1cyclictest30952-21ssh23:07:473
109239980,6cyclictest0-21swapper/300:24:433
109239980,4cyclictest23771-21apt-get19:35:113
109159984,3cyclictest23977-21munin-run23:00:012
109159980,8cyclictest0-21swapper/223:21:132
109159980,8cyclictest0-21swapper/223:04:532
109159980,8cyclictest0-21swapper/222:28:392
109159980,8cyclictest0-21swapper/221:45:102
109159980,8cyclictest0-21swapper/200:01:552
109159980,7cyclictest0-21swapper/221:15:402
109159980,0cyclictest0-21swapper/222:39:382
109159980,0cyclictest0-21swapper/222:23:452
109159980,0cyclictest0-21swapper/221:30:202
109099980,1cyclictest0-21swapper/123:46:011
109029988,0cyclictest9-21ksoftirqd/000:05:010
109029986,1cyclictest9-21ksoftirqd/023:20:000
109029986,1cyclictest9-21ksoftirqd/021:29:590
109029986,1cyclictest2940-21perf20:00:000
109029984,2cyclictest240-21systemd-journal20:34:540
109029981,6cyclictest6722-21ssh21:55:120
109029981,4cyclictest0-21swapper/022:03:200
109029980,7cyclictest29687-21tr23:05:200
109029980,5cyclictest3519-21diskmemload00:20:120
109029980,4cyclictest25545-21cat22:20:000
109239976,1cyclictest30704-21cat22:25:153
109239976,1cyclictest16779-21cat21:25:153
109239976,0cyclictest0-21swapper/320:55:183
109239975,1cyclictest35-21ksoftirqd/323:45:143
109239975,1cyclictest35-21ksoftirqd/323:00:013
109239975,1cyclictest35-21ksoftirqd/320:55:003
109239975,1cyclictest35-21ksoftirqd/300:10:003
109239974,1cyclictest31465-21ssh00:34:253
109239974,1cyclictest13650irq/124-ahci[0021:14:553
109239972,4cyclictest19664-21/usr/sbin/munin20:35:193
109239972,2cyclictest27361-21kworker/3:222:53:513
109239971,3cyclictest0-21swapper/323:50:123
109239970,5cyclictest0-21swapper/322:38:403
109239970,4cyclictest240-21systemd-journal19:17:073
109239970,2cyclictest0-21swapper/321:50:123
109159976,1cyclictest61650irq/122-eno123:50:012
109159976,1cyclictest61650irq/122-eno122:45:152
109159976,1cyclictest61650irq/122-eno119:45:172
109159976,1cyclictest61650irq/122-eno119:25:112
109159976,1cyclictest61650irq/122-eno119:15:152
109159976,1cyclictest28-21ksoftirqd/221:55:132
109159976,1cyclictest28-21ksoftirqd/221:10:012
109159976,1cyclictest28-21ksoftirqd/200:35:012
109159976,1cyclictest0-21swapper/221:15:012
109159973,3cyclictest769-21lldpd20:57:252
109159973,2cyclictest240-21systemd-journal20:41:552
109159972,4cyclictest61650irq/122-eno123:50:212
109159971,5cyclictest17393-21gltestperf22:50:172
109159970,7cyclictest0-21swapper/200:19:232
109159970,3cyclictest3519-21diskmemload23:10:122
109159970,0cyclictest0-21swapper/223:35:502
109159970,0cyclictest0-21swapper/223:25:042
109159970,0cyclictest0-21swapper/222:40:012
109159970,0cyclictest0-21swapper/222:17:202
109159970,0cyclictest0-21swapper/222:11:362
109159970,0cyclictest0-21swapper/222:08:442
109159970,0cyclictest0-21swapper/221:41:332
109159970,0cyclictest0-21swapper/221:35:302
109159970,0cyclictest0-21swapper/221:28:562
109159970,0cyclictest0-21swapper/221:22:352
109159970,0cyclictest0-21swapper/200:32:072
109159970,0cyclictest0-21swapper/200:28:372
109159970,0cyclictest0-21swapper/200:21:522
109159970,0cyclictest0-21swapper/200:10:062
109159970,0cyclictest0-21swapper/200:08:162
109099972,4cyclictest0-21swapper/100:01:331
109099970,4cyclictest10537-21taskset23:24:211
109029976,1cyclictest9-21ksoftirqd/000:20:000
109029976,1cyclictest27685-1kworker/u9:123:04:470
109029976,1cyclictest24392-21ssh23:40:290
109029976,1cyclictest19650-21cat23:35:160
109029974,1cyclictest240-21systemd-journal20:15:000
109029973,3cyclictest3519-21diskmemload21:10:110
109029972,2cyclictest3519-21diskmemload22:35:470
109029970,7cyclictest17157-21ssh22:50:160
109029970,7cyclictest0-21swapper/022:31:080
109029970,6cyclictest8777-21ssh22:40:090
109029970,6cyclictest31775-21ssh22:25:530
109029970,6cyclictest30140-21ssh23:50:080
109029970,6cyclictest29094-21irqstats00:30:160
109029970,6cyclictest2729-21ntp_offset23:55:180
109029970,6cyclictest22857-21ssh22:57:030
109029970,6cyclictest15018-21ssh00:11:070
109029970,6cyclictest12212-21ssh21:20:140
109029970,6cyclictest0-21swapper/021:35:130
109029970,4cyclictest240-21systemd-journal19:45:230
109029970,2cyclictest0-21swapper/022:45:110
109029970,1cyclictest3519-21diskmemload23:30:440
109029970,1cyclictest32300-21cpuspeed_turbos00:35:150
109029970,1cyclictest31229-21ssh21:45:000
109029970,1cyclictest21690-21unixbench_singl21:30:210
109029970,1cyclictest12852-21chrt19:10:330
109029970,1cyclictest0-21swapper/022:10:140
109029970,1cyclictest0-21swapper/022:05:150
19813260,0sleep10-21swapper/100:18:491
109239965,1cyclictest9056-21ssh21:56:503
109239965,1cyclictest3753-21ssh23:56:283
109239965,1cyclictest3048-21ssh22:30:353
109239965,1cyclictest28888-21ntpq21:40:183
109239965,1cyclictest26389-21ssh21:37:203
109239965,1cyclictest20866-21ssh23:36:173
109239965,1cyclictest16776-21sshd20:26:183
109239965,1cyclictest14681-21ssh21:22:473
109239965,1cyclictest14268-21ssh23:29:073
109239965,1cyclictest1179-21ssh21:46:133
109239964,1cyclictest14368-21ssh22:05:093
109239964,1cyclictest0-21swapper/300:27:183
109239963,2cyclictest30095-21nscd00:10:113
109239963,1cyclictest240-21systemd-journal19:35:003
109239962,2cyclictest240-21systemd-journal23:32:133
109239962,0cyclictest3519-21diskmemload23:40:563
109239961,3cyclictest0-21swapper/322:45:143
109239960,4cyclictest3519-21diskmemload22:00:203
109239960,3cyclictest0-21swapper/322:21:203
109239960,3cyclictest0-21swapper/322:19:033
109239960,2cyclictest0-21swapper/322:12:353
109239960,1cyclictest240-21systemd-journal20:44:553
109159966,0cyclictest61650irq/122-eno123:30:122
109159966,0cyclictest61650irq/122-eno121:00:182
109159966,0cyclictest61650irq/122-eno121:00:182
109159966,0cyclictest61650irq/122-eno120:50:162
109159966,0cyclictest61650irq/122-eno120:45:172
109159966,0cyclictest61650irq/122-eno120:25:152
109159966,0cyclictest61650irq/122-eno120:17:132
109159966,0cyclictest61650irq/122-eno120:10:532
109159966,0cyclictest61650irq/122-eno119:33:422
109159966,0cyclictest61650irq/122-eno119:12:562
109159965,1cyclictest28-21ksoftirqd/219:40:122
109159964,1cyclictest61650irq/122-eno120:35:162
109159964,1cyclictest61650irq/122-eno120:05:162
109159963,2cyclictest585-21rs:main2
109159961,3cyclictest0-21swapper/220:00:122
109159960,0cyclictest0-21swapper/219:35:102
109099965,0cyclictest0-21swapper/122:33:451
109099960,6cyclictest0-21swapper/123:18:441
109099960,6cyclictest0-21swapper/122:51:391
109099960,6cyclictest0-21swapper/120:00:431
109099960,5cyclictest0-21swapper/119:15:151
109099960,4cyclictest0-21swapper/100:13:031
109099960,3cyclictest0-21swapper/121:05:171
109099960,2cyclictest0-21swapper/122:25:151
109099960,1cyclictest0-21swapper/121:35:161
109099960,0cyclictest0-21swapper/121:50:201
109029966,0cyclictest9-21ksoftirqd/019:35:000
109029964,1cyclictest9-21ksoftirqd/019:39:590
109029964,1cyclictest9-21ksoftirqd/019:24:590
109029964,1cyclictest20352-21timerandwakeup19:25:190
109029960,6cyclictest0-21swapper/022:20:130
109029960,6cyclictest0-21swapper/020:55:570
109029960,6cyclictest0-21swapper/020:45:110
109029960,4cyclictest0-21swapper/019:50:130
109029960,1cyclictest3598-21cut21:50:160
109029960,0cyclictest0-21swapper/020:50:200
109029960,0cyclictest0-21swapper/020:35:130
18862250,0sleep10-21swapper/121:28:071
109239955,0cyclictest25829-21kworker/3:021:07:523
109239955,0cyclictest25829-21kworker/3:020:11:553
109239955,0cyclictest19859-21ssh21:30:013
109239954,1cyclictest9924-21ssh23:22:413
109239954,1cyclictest5363-21ssh23:15:433
109239953,1cyclictest507-21cat00:35:173
109239952,1cyclictest240-21systemd-journal20:01:373
109239951,1cyclictest240-21systemd-journal20:31:243
109239950,3cyclictest0-21swapper/323:10:113
109239950,2cyclictest0-21swapper/322:40:553
109239950,2cyclictest0-21swapper/319:55:113
109239950,1cyclictest240-21systemd-journal19:15:003
109159954,1cyclictest61650irq/122-eno119:20:142
109159954,1cyclictest28-21ksoftirqd/219:55:012
109159950,1cyclictest0-21swapper/220:20:122
109099955,0cyclictest0-21swapper/120:22:331
109099955,0cyclictest0-21swapper/100:28:351
109099953,1cyclictest0-21swapper/123:05:231
109099951,4cyclictest0-21swapper/120:11:551
109099951,1cyclictest0-21swapper/123:40:191
109099951,1cyclictest0-21swapper/122:10:101
109099951,1cyclictest0-21swapper/120:30:151
109099950,5cyclictest0-21swapper/120:50:161
109099950,5cyclictest0-21swapper/120:38:311
109099950,5cyclictest0-21swapper/120:25:311
109099950,5cyclictest0-21swapper/119:55:151
109099950,5cyclictest0-21swapper/119:38:191
109099950,5cyclictest0-21swapper/119:20:191
109099950,5cyclictest0-21swapper/100:24:191
109099950,3cyclictest0-21swapper/122:39:501
109099950,3cyclictest0-21swapper/121:56:001
109099950,3cyclictest0-21swapper/120:50:001
109099950,2cyclictest0-21swapper/123:55:111
109099950,2cyclictest0-21swapper/123:50:471
109099950,2cyclictest0-21swapper/123:35:121
109099950,2cyclictest0-21swapper/122:55:131
109099950,2cyclictest0-21swapper/122:09:041
109099950,2cyclictest0-21swapper/121:12:191
109099950,2cyclictest0-21swapper/100:06:071
109099950,1cyclictest0-21swapper/123:30:111
109099950,1cyclictest0-21swapper/122:15:101
109099950,1cyclictest0-21swapper/122:01:361
109099950,1cyclictest0-21swapper/121:45:581
109099950,1cyclictest0-21swapper/100:38:471
109099950,0cyclictest0-21swapper/119:42:521
109029953,1cyclictest22034-21/usr/sbin/munin20:40:140
109029953,1cyclictest13097-21expr20:20:140
109029953,1cyclictest10587-21cstates20:15:130
109029950,4cyclictest14957-21/usr/sbin/munin20:25:160
109239944,0cyclictest415-21sensors21:00:193
109239944,0cyclictest415-21sensors21:00:193
109239944,0cyclictest32257-21sensors19:50:213
109239943,1cyclictest29005-21df_inode19:45:153
109239942,1cyclictest26872-21head19:40:143
109239942,1cyclictest19232-21cstates19:25:123
109239940,1cyclictest294-21systemd-udevd20:45:083
109239940,1cyclictest240-21systemd-journal20:05:243
109239940,1cyclictest0-21swapper/320:15:113
109099944,0cyclictest0-21swapper/123:25:181
109099944,0cyclictest0-21swapper/121:41:181
109099944,0cyclictest0-21swapper/119:45:261
109099942,1cyclictest13164-21chrt19:14:331
109099942,1cyclictest0-21swapper/121:00:121
109099942,1cyclictest0-21swapper/121:00:121
109099941,3cyclictest0-21swapper/122:40:131
109099941,3cyclictest0-21swapper/120:56:411
109099940,4cyclictest0-21swapper/119:27:091
109099940,3cyclictest29611-21chrt00:30:211
109099940,3cyclictest0-21swapper/122:45:011
109099940,3cyclictest0-21swapper/119:50:181
109099940,2cyclictest0-21swapper/123:01:571
109099940,2cyclictest0-21swapper/122:21:301
109099940,2cyclictest0-21swapper/121:30:111
109099940,2cyclictest0-21swapper/121:20:041
109099940,2cyclictest0-21swapper/121:17:131
109099940,2cyclictest0-21swapper/119:30:171
109099940,1cyclictest0-21swapper/123:12:031
109099931,1cyclictest0-21swapper/120:40:101
109099930,1cyclictest0-21swapper/120:15:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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