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2026-01-06 - 22:55
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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 Tue Jan 06, 2026 12:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
123222210170,26sleep30-21swapper/307:06:553
123412203163,26sleep20-21swapper/207:07:092
123452199162,24sleep10-21swapper/107:07:131
123242197160,23sleep00-21swapper/007:06:550
99462190,0sleep10-21swapper/110:25:171
160162190,0sleep00-21swapper/007:15:010
1266399130,0cyclictest0-21swapper/110:45:111
12660991311,1cyclictest9-21ksoftirqd/010:49:590
1266099130,13cyclictest0-21swapper/012:31:560
12669991210,1cyclictest28-21ksoftirqd/208:34:592
12660991211,1cyclictest9-21ksoftirqd/007:30:010
1267799119,1cyclictest35-21ksoftirqd/308:30:003
1266999119,1cyclictest28-21ksoftirqd/212:10:012
1266999119,1cyclictest28-21ksoftirqd/209:25:012
12669991010,0cyclictest0-21swapper/212:00:192
1266099100,4cyclictest0-21swapper/009:55:110
126779991,7cyclictest15191-21munin-node11:42:053
126779990,7cyclictest6226-21apt-get12:35:113
126699998,1cyclictest28-21ksoftirqd/208:39:592
126699997,1cyclictest28-21ksoftirqd/209:00:002
126699996,1cyclictest28-21ksoftirqd/208:44:592
126699994,4cyclictest17712-21/usr/sbin/munin09:35:172
126699990,5cyclictest548-21systemd-logind09:55:192
126609999,0cyclictest9-21ksoftirqd/011:20:010
126609992,4cyclictest31669-21cat10:05:010
126609990,3cyclictest17426-21apt-get11:50:110
126779987,1cyclictest35-21ksoftirqd/310:45:003
126779986,1cyclictest707-21snmpd11:53:233
126779986,1cyclictest707-21snmpd11:33:343
126779986,1cyclictest707-21snmpd10:59:493
126779986,1cyclictest707-21snmpd09:43:403
126779986,1cyclictest707-21snmpd09:32:553
126779986,1cyclictest707-21snmpd08:51:453
126779986,1cyclictest707-21snmpd08:30:593
126779986,1cyclictest707-21snmpd07:42:363
126779986,1cyclictest35-21ksoftirqd/310:30:013
126699987,1cyclictest28-21ksoftirqd/211:30:002
126699986,1cyclictest28-21ksoftirqd/210:54:592
126699986,1cyclictest28-21ksoftirqd/208:25:002
126699986,1cyclictest28-21ksoftirqd/207:50:002
126699986,1cyclictest28-21ksoftirqd/207:15:012
126699986,1cyclictest26893-21ntp_states07:35:182
126699982,2cyclictest3645-21munin-run12:30:002
126639981,1cyclictest0-21swapper/109:02:261
126609986,1cyclictest707-21snmpd10:26:500
126609986,1cyclictest707-21snmpd09:09:510
126609984,2cyclictest240-21systemd-journal07:25:010
126609981,6cyclictest0-21swapper/010:33:080
126609980,7cyclictest31862-21smartctl07:45:190
126609980,1cyclictest0-21swapper/009:40:120
126779976,1cyclictest707-21snmpd10:52:543
126779975,1cyclictest707-21snmpd12:31:503
126779975,1cyclictest707-21snmpd12:14:003
126779975,1cyclictest707-21snmpd11:57:083
126779975,1cyclictest707-21snmpd11:12:333
126779975,1cyclictest707-21snmpd10:46:033
126779975,1cyclictest707-21snmpd10:05:313
126779975,1cyclictest707-21snmpd08:37:513
126779975,1cyclictest707-21snmpd08:21:563
126779975,1cyclictest707-21snmpd08:09:203
126779975,1cyclictest707-21snmpd07:13:383
126779975,1cyclictest27436-21cat08:45:163
126779974,1cyclictest35-21ksoftirqd/309:05:003
126779971,4cyclictest11286-21apt-get10:30:113
126779970,4cyclictest19112-21sensors_temp09:35:213
126779970,2cyclictest0-21swapper/310:15:103
126779970,2cyclictest0-21swapper/310:15:103
126699976,1cyclictest707-21snmpd09:29:542
126699976,1cyclictest61650irq/122-eno108:00:102
126699976,1cyclictest28-21ksoftirqd/209:10:012
126699975,1cyclictest707-21snmpd12:38:212
126699975,1cyclictest707-21snmpd11:13:282
126699975,1cyclictest28-21ksoftirqd/209:44:592
126699975,1cyclictest28-21ksoftirqd/209:10:112
126699971,2cyclictest0-21swapper/208:05:152
126699970,7cyclictest0-21swapper/212:10:192
126699970,5cyclictest11027-21perl11:35:132
126699970,1cyclictest0-21swapper/211:43:582
126699970,0cyclictest0-21swapper/211:20:202
126699970,0cyclictest0-21swapper/210:42:202
126639970,4cyclictest0-21swapper/107:45:101
126639970,1cyclictest0-21swapper/112:22:421
126639970,1cyclictest0-21swapper/109:52:071
126609976,1cyclictest9-21ksoftirqd/012:15:000
126609976,1cyclictest9-21ksoftirqd/010:59:590
126609976,1cyclictest707-21snmpd08:30:520
126609976,1cyclictest707-21snmpd08:04:040
126609976,1cyclictest2609-21python09:00:190
126609975,1cyclictest9-21ksoftirqd/012:20:130
126609975,1cyclictest9-21ksoftirqd/012:00:000
126609975,1cyclictest9-21ksoftirqd/010:44:590
126609975,1cyclictest9-21ksoftirqd/010:34:590
126609975,1cyclictest9-21ksoftirqd/008:40:390
126609975,1cyclictest707-21snmpd11:27:070
126609975,1cyclictest30211-21memory12:15:140
126609973,2cyclictest240-21systemd-journal07:35:000
126609973,0cyclictest0-21swapper/012:35:130
126609972,3cyclictest21614-21/usr/sbin/munin08:35:100
126609971,6cyclictest0-21swapper/010:53:080
126609971,3cyclictest3076-21apt11:20:120
126609970,6cyclictest31127-21cstates11:10:120
126609970,6cyclictest0-21swapper/007:15:010
126609970,5cyclictest0-21swapper/010:15:120
126609970,5cyclictest0-21swapper/010:15:120
17033260,1sleep10-21swapper/110:40:161
126779966,0cyclictest0-21swapper/311:19:473
126779965,1cyclictest707-21snmpd11:22:573
126779965,1cyclictest707-21snmpd08:44:183
126779965,1cyclictest2967-21ntpq10:10:173
126779964,2cyclictest6927-21missed_timers09:10:153
126779964,1cyclictest707-21snmpd12:27:083
126779964,1cyclictest707-21snmpd12:09:473
126779964,1cyclictest707-21snmpd11:47:323
126779964,1cyclictest707-21snmpd08:55:473
126779963,2cyclictest23374-21apt-get07:30:093
126779960,2cyclictest0-21swapper/312:20:113
126779960,0cyclictest0-21swapper/307:35:113
126699966,0cyclictest61650irq/122-eno112:31:372
126699966,0cyclictest61650irq/122-eno112:20:532
126699966,0cyclictest61650irq/122-eno111:46:182
126699966,0cyclictest61650irq/122-eno111:17:272
126699966,0cyclictest61650irq/122-eno111:08:512
126699966,0cyclictest61650irq/122-eno111:01:372
126699966,0cyclictest61650irq/122-eno110:23:202
126699966,0cyclictest61650irq/122-eno110:15:022
126699966,0cyclictest61650irq/122-eno110:15:022
126699966,0cyclictest61650irq/122-eno110:10:132
126699966,0cyclictest61650irq/122-eno109:54:592
126699966,0cyclictest61650irq/122-eno109:30:102
126699966,0cyclictest61650irq/122-eno109:00:162
126699966,0cyclictest61650irq/122-eno107:58:472
126699966,0cyclictest61650irq/122-eno107:32:402
126699965,1cyclictest707-21snmpd10:55:502
126699965,1cyclictest707-21snmpd10:02:412
126699965,1cyclictest61650irq/122-eno108:15:102
126699965,1cyclictest28-21ksoftirqd/211:50:142
126699965,1cyclictest28-21ksoftirqd/207:40:112
126699964,1cyclictest8392-21tail09:15:122
126699964,1cyclictest61650irq/122-eno110:25:202
126699963,2cyclictest9251-21proc_pri11:30:192
126699963,1cyclictest240-21systemd-journal10:34:592
126699962,3cyclictest0-21swapper/208:45:122
126699960,6cyclictest0-21swapper/210:32:182
126699960,6cyclictest0-21swapper/210:05:202
126699960,6cyclictest0-21swapper/207:10:182
126699960,0cyclictest0-21swapper/208:25:182
126699960,0cyclictest0-21swapper/207:25:202
126639961,5cyclictest0-21swapper/108:46:211
126639960,6cyclictest0-21swapper/112:15:031
126639960,6cyclictest0-21swapper/111:53:251
126639960,6cyclictest0-21swapper/111:33:581
126639960,6cyclictest0-21swapper/111:06:211
126639960,6cyclictest0-21swapper/109:55:191
126639960,6cyclictest0-21swapper/109:37:011
126639960,6cyclictest0-21swapper/109:21:281
126639960,6cyclictest0-21swapper/109:07:081
126639960,6cyclictest0-21swapper/108:28:171
126639960,2cyclictest0-21swapper/112:30:111
126639960,2cyclictest0-21swapper/110:05:011
126639960,1cyclictest0-21swapper/110:11:311
126639960,1cyclictest0-21swapper/108:24:171
126609965,1cyclictest9-21ksoftirqd/011:45:440
126609965,1cyclictest707-21snmpd11:35:300
126609965,1cyclictest707-21snmpd11:30:430
126609965,1cyclictest707-21snmpd08:45:230
126609965,1cyclictest599-21ntpq10:05:180
126609965,1cyclictest14159-21ntpq09:25:200
126609964,1cyclictest9-21ksoftirqd/010:15:010
126609964,1cyclictest9-21ksoftirqd/007:35:140
126609964,1cyclictest31636-21expr08:55:130
126609964,1cyclictest10894-21tr09:20:130
126609963,2cyclictest4863-21idleruntime-cro08:00:000
126609963,1cyclictest240-21systemd-journal07:45:000
126609961,4cyclictest18471-21tr09:35:150
126609960,6cyclictest0-21swapper/011:42:480
126609960,6cyclictest0-21swapper/011:05:130
126609960,6cyclictest0-21swapper/009:13:360
126609960,6cyclictest0-21swapper/008:53:570
126609960,6cyclictest0-21swapper/008:10:420
126609960,5cyclictest24787-21/usr/sbin/munin09:50:180
126609960,5cyclictest16582-21pmu-power09:30:160
126609960,4cyclictest12988-21which08:15:130
126609960,1cyclictest16914-21apt-get08:25:110
126609960,1cyclictest0-21swapper/007:50:120
126609960,0cyclictest0-21swapper/012:00:300
126609960,0cyclictest0-21swapper/010:24:240
7717250,0sleep30-21swapper/311:29:473
126779955,0cyclictest15202-21kworker/3:211:05:343
126779955,0cyclictest15202-21kworker/3:209:24:503
126779955,0cyclictest15202-21kworker/3:208:17:393
126779955,0cyclictest15202-21kworker/3:207:21:413
126779954,1cyclictest707-21snmpd09:27:103
126779953,1cyclictest82652sleep309:15:123
126779953,1cyclictest707-21snmpd07:56:433
126779953,1cyclictest693-21runrttasks10:35:103
126779953,1cyclictest30960-21/usr/sbin/munin07:45:133
126779952,3cyclictest5114-21apt-get08:00:103
126779951,1cyclictest25066-21grep09:50:123
126779950,2cyclictest0-21swapper/312:15:153
126779950,1cyclictest31642-21ls10:04:593
126779950,1cyclictest0-21swapper/308:11:323
126699955,0cyclictest61650irq/122-eno111:58:262
126699955,0cyclictest61650irq/122-eno109:46:092
126699955,0cyclictest61650irq/122-eno108:10:162
126699954,1cyclictest61650irq/122-eno108:50:202
126699954,1cyclictest28-21ksoftirqd/212:15:092
126699950,5cyclictest0-21swapper/207:54:532
126699950,3cyclictest0-21swapper/210:45:102
126699950,1cyclictest0-21swapper/207:20:212
126639955,0cyclictest0-21swapper/110:05:121
126639952,3cyclictest0-21swapper/111:27:281
126639952,2cyclictest0-21swapper/110:35:151
126639952,1cyclictest0-21swapper/110:50:141
126639951,1cyclictest0-21swapper/110:15:101
126639951,1cyclictest0-21swapper/110:15:101
126639950,5cyclictest0-21swapper/112:36:531
126639950,5cyclictest0-21swapper/112:12:101
126639950,5cyclictest0-21swapper/111:36:201
126639950,5cyclictest0-21swapper/109:43:111
126639950,5cyclictest0-21swapper/108:56:561
126639950,5cyclictest0-21swapper/107:44:451
126639950,5cyclictest0-21swapper/107:38:481
126639950,5cyclictest0-21swapper/107:10:361
126639950,4cyclictest0-21swapper/111:45:101
126639950,4cyclictest0-21swapper/111:15:131
126639950,4cyclictest0-21swapper/108:50:171
126639950,4cyclictest0-21swapper/108:30:121
126639950,3cyclictest0-21swapper/109:25:121
126639950,2cyclictest0-21swapper/109:45:111
126639950,2cyclictest0-21swapper/107:15:151
126639950,1cyclictest0-21swapper/108:40:201
126639950,0cyclictest0-21swapper/112:00:111
126639950,0cyclictest0-21swapper/111:20:591
126639950,0cyclictest0-21swapper/108:05:531
126609954,1cyclictest707-21snmpd08:05:100
126609953,1cyclictest24587-21basename12:05:120
126609953,1cyclictest23151-21gltestperf09:45:130
126609951,1cyclictest0-21swapper/008:20:110
126609950,5cyclictest0-21swapper/011:00:150
126609950,4cyclictest8266-21/usr/sbin/munin09:15:110
126609950,0cyclictest0-21swapper/012:25:120
126779943,1cyclictest4153-21grep09:05:133
126779943,1cyclictest10913-21grep11:35:143
126779942,1cyclictest27991-21basename09:55:153
126779942,1cyclictest26203-21basename11:00:133
126779941,2cyclictest0-21swapper/307:25:113
126779941,1cyclictest22685-21fschecks_count12:00:133
126779941,0cyclictest15177-21apt-get07:15:003
126779940,1cyclictest6576-21/usr/sbin/munin10:20:153
126779940,1cyclictest345-21apt-get07:50:123
126779940,1cyclictest240-21systemd-journal09:45:003
126639944,0cyclictest0-21swapper/108:15:411
126639944,0cyclictest0-21swapper/108:13:141
126639944,0cyclictest0-21swapper/107:50:101
126639944,0cyclictest0-21swapper/107:31:201
126639941,2cyclictest0-21swapper/111:40:141
126639941,2cyclictest0-21swapper/108:05:001
126639941,1cyclictest0-21swapper/110:30:111
126639940,4cyclictest0-21swapper/107:20:191
126639940,3cyclictest0-21swapper/107:55:151
126639940,2cyclictest0-21swapper/110:55:141
126639940,1cyclictest0-21swapper/111:57:341
126639940,1cyclictest0-21swapper/109:30:141
126639940,0cyclictest0-21swapper/111:12:251
126639940,0cyclictest0-21swapper/111:04:381
126639940,0cyclictest0-21swapper/109:17:081
126639931,1cyclictest0-21swapper/112:25:111
126639931,1cyclictest0-21swapper/110:20:171
126639930,3cyclictest0-21swapper/108:35:161
126639930,2cyclictest24488-21chrt12:05:001
126639930,2cyclictest0-21swapper/109:10:101
126639930,0cyclictest0-21swapper/107:25:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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