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2026-01-08 - 20:47
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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 Jan 08, 2026 12:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
159832211178,21sleep10-21swapper/107:07:121
140792207157,24sleep30-21swapper/307:05:023
160312203163,26sleep20-21swapper/207:07:502
160542200162,24sleep00-21swapper/007:08:080
37132780,0sleep10-21swapper/109:00:141
80502670,0sleep20-21swapper/209:10:132
215082650,0sleep00-21swapper/008:30:140
212162150,1sleep221212-21cron10:50:012
1630199140,14cyclictest0-21swapper/307:26:193
256672130,0sleep20-21swapper/211:00:142
16293991311,1cyclictest28-21ksoftirqd/210:55:002
16283991311,1cyclictest9-21ksoftirqd/007:25:000
16301991211,1cyclictest35-21ksoftirqd/312:35:003
1628399129,1cyclictest9-21ksoftirqd/007:45:000
1628399129,1cyclictest9-21ksoftirqd/007:45:000
1630199119,1cyclictest35-21ksoftirqd/308:10:003
1630199119,1cyclictest35-21ksoftirqd/307:25:003
1629399119,1cyclictest28-21ksoftirqd/207:15:002
1630199108,1cyclictest35-21ksoftirqd/307:45:003
1630199108,1cyclictest35-21ksoftirqd/307:45:003
1629399109,1cyclictest28-21ksoftirqd/209:30:002
1629399108,1cyclictest28-21ksoftirqd/210:40:002
1628399109,1cyclictest9-21ksoftirqd/010:25:000
1628399109,1cyclictest9-21ksoftirqd/007:55:130
1628399108,1cyclictest9-21ksoftirqd/009:40:130
1628399108,1cyclictest9-21ksoftirqd/007:55:010
1628399103,4cyclictest29477-21perf10:00:000
1628399103,4cyclictest13971-21perf10:35:000
1628399100,5cyclictest15418-21sed11:50:010
163019999,0cyclictest707-21snmpd09:33:063
163019997,1cyclictest35-21ksoftirqd/311:05:113
162889990,1cyclictest0-21swapper/112:05:001
162839998,1cyclictest9-21ksoftirqd/008:15:000
162839998,1cyclictest9-21ksoftirqd/007:15:010
162839997,1cyclictest9-21ksoftirqd/011:59:590
162839992,3cyclictest0-21swapper/009:35:110
162839990,7cyclictest18638-21munin-node07:35:070
162839990,5cyclictest18652-21kworker/0:009:15:130
162839990,4cyclictest5974-21perf11:30:000
163019987,1cyclictest35-21ksoftirqd/310:25:003
163019986,1cyclictest707-21snmpd12:22:273
163019986,1cyclictest707-21snmpd07:52:453
163019986,1cyclictest35-21ksoftirqd/309:20:103
163019982,4cyclictest769-21lldpd11:43:293
163019982,4cyclictest769-21lldpd11:43:293
162939987,1cyclictest28-21ksoftirqd/212:10:002
162939987,1cyclictest28-21ksoftirqd/208:35:102
162939986,1cyclictest707-21snmpd11:26:502
162939986,1cyclictest707-21snmpd10:12:322
162939986,1cyclictest707-21snmpd08:20:132
162939986,1cyclictest61650irq/122-eno112:10:172
162939986,1cyclictest28-21ksoftirqd/209:20:002
162939984,2cyclictest17457-21seq10:40:122
162839987,1cyclictest9-21ksoftirqd/012:30:120
162839987,1cyclictest9-21ksoftirqd/011:35:130
162839987,1cyclictest9-21ksoftirqd/010:45:090
162839986,1cyclictest9-21ksoftirqd/011:05:140
162839986,1cyclictest9-21ksoftirqd/009:30:130
162839986,1cyclictest707-21snmpd11:31:290
162839986,1cyclictest707-21snmpd11:02:430
162839986,1cyclictest707-21snmpd10:04:260
162839986,1cyclictest707-21snmpd09:47:070
162839982,5cyclictest31274-21latency_hist11:15:000
163019977,0cyclictest341rcuc/308:20:003
163019976,1cyclictest707-21snmpd10:06:173
163019976,1cyclictest707-21snmpd07:35:373
163019976,1cyclictest35-21ksoftirqd/312:40:013
163019976,1cyclictest35-21ksoftirqd/309:25:133
163019976,1cyclictest2358-21cat11:20:153
163019976,1cyclictest17727-21sh11:55:013
163019975,1cyclictest707-21snmpd11:31:083
163019975,1cyclictest707-21snmpd11:25:503
163019975,1cyclictest707-21snmpd09:54:203
163019975,1cyclictest707-21snmpd09:08:323
163019975,1cyclictest707-21snmpd08:43:153
163019975,1cyclictest707-21snmpd07:55:283
163019975,1cyclictest707-21snmpd07:11:183
163019975,1cyclictest35-21ksoftirqd/312:04:593
162939976,1cyclictest28-21ksoftirqd/211:00:002
162939976,1cyclictest28-21ksoftirqd/208:35:002
162939976,1cyclictest28-21ksoftirqd/208:25:102
162939976,1cyclictest28-21ksoftirqd/208:10:002
162939975,1cyclictest28-21ksoftirqd/212:20:002
162939975,1cyclictest28-21ksoftirqd/211:40:122
162939975,1cyclictest28-21ksoftirqd/211:40:112
162939975,1cyclictest28-21ksoftirqd/211:20:002
162939971,5cyclictest7575-21cron09:10:002
162939970,6cyclictest0-21swapper/207:48:282
162939970,1cyclictest0-21swapper/207:41:252
162939970,1cyclictest0-21swapper/207:41:252
162889970,6cyclictest0-21swapper/111:40:141
162889970,6cyclictest0-21swapper/111:40:141
162889970,1cyclictest0-21swapper/111:09:541
162889970,1cyclictest0-21swapper/107:49:281
162889970,1cyclictest0-21swapper/107:36:371
162839976,1cyclictest9-21ksoftirqd/009:20:120
162839976,1cyclictest9-21ksoftirqd/008:35:120
162839976,1cyclictest9-21ksoftirqd/008:05:000
162839976,1cyclictest707-21snmpd12:21:090
162839976,1cyclictest707-21snmpd10:50:340
162839976,0cyclictest9-21ksoftirqd/009:15:000
162839975,1cyclictest9-21ksoftirqd/009:00:130
162839975,1cyclictest9-21ksoftirqd/008:45:150
162839975,1cyclictest9-21ksoftirqd/008:40:100
162839975,1cyclictest9-21ksoftirqd/008:24:590
162839975,1cyclictest707-21snmpd10:55:280
162839975,1cyclictest707-21snmpd07:27:550
162839975,1cyclictest2680-21df_inode10:10:140
162839975,1cyclictest17377-21cat07:10:150
162839973,3cyclictest3388-21sh07:50:010
162839971,6cyclictest0-21swapper/011:20:350
162839971,3cyclictest240-21systemd-journal09:30:000
162839971,3cyclictest240-21systemd-journal09:00:000
162839970,6cyclictest13052-21sed11:45:010
162839970,6cyclictest13052-21sed11:45:010
162839970,6cyclictest0-21swapper/011:50:130
162839970,6cyclictest0-21swapper/010:40:010
162839970,4cyclictest0-21swapper/012:25:110
162839970,1cyclictest28090-21cstates12:15:120
162839970,1cyclictest0-21swapper/012:00:090
162839970,1cyclictest0-21swapper/007:30:130
163019965,1cyclictest707-21snmpd10:50:463
163019965,1cyclictest707-21snmpd10:31:513
163019965,1cyclictest707-21snmpd08:28:413
163019965,1cyclictest35-21ksoftirqd/312:15:003
163019965,1cyclictest35-21ksoftirqd/310:40:003
163019965,1cyclictest25376-21sshd08:36:443
163019965,1cyclictest1422-21cat08:55:153
163019964,1cyclictest707-21snmpd11:04:183
163019964,1cyclictest707-21snmpd10:16:313
163019964,1cyclictest707-21snmpd10:02:353
163019964,1cyclictest707-21snmpd09:58:103
163019964,1cyclictest707-21snmpd09:16:073
163019964,1cyclictest707-21snmpd09:04:323
163019964,1cyclictest707-21snmpd08:12:503
163019964,1cyclictest29136-21cat08:45:143
163019964,1cyclictest2431-21ntp_states07:45:173
163019963,1cyclictest240-21systemd-journal08:00:003
163019961,3cyclictest0-21swapper/310:10:123
163019960,4cyclictest0-21swapper/308:50:113
163019960,3cyclictest0-21swapper/312:05:003
162939966,0cyclictest61650irq/122-eno112:37:042
162939966,0cyclictest61650irq/122-eno112:31:172
162939966,0cyclictest61650irq/122-eno112:28:412
162939966,0cyclictest61650irq/122-eno111:37:552
162939966,0cyclictest61650irq/122-eno111:30:092
162939966,0cyclictest61650irq/122-eno109:41:102
162939966,0cyclictest61650irq/122-eno109:30:182
162939966,0cyclictest61650irq/122-eno108:45:162
162939966,0cyclictest61650irq/122-eno108:15:232
162939966,0cyclictest61650irq/122-eno107:50:052
162939966,0cyclictest61650irq/122-eno107:38:542
162939966,0cyclictest61650irq/122-eno107:15:172
162939965,1cyclictest707-21snmpd10:20:092
162939965,1cyclictest61650irq/122-eno109:59:012
162939965,1cyclictest61650irq/122-eno107:31:272
162939965,1cyclictest28-21ksoftirqd/211:57:092
162939965,1cyclictest28-21ksoftirqd/211:25:002
162939965,1cyclictest28-21ksoftirqd/209:50:002
162939965,1cyclictest28-21ksoftirqd/208:40:452
162939965,1cyclictest28-21ksoftirqd/208:05:002
162939964,1cyclictest61650irq/122-eno109:40:012
162939964,1cyclictest61650irq/122-eno109:20:162
162939964,1cyclictest30171-21cut10:00:092
162939964,1cyclictest29825-21fschecks_time11:10:132
162939964,1cyclictest28-21ksoftirqd/211:46:192
162939962,2cyclictest2126-21timerwakeupswit08:55:212
162939961,2cyclictest0-21swapper/208:10:072
162939960,6cyclictest0-21swapper/210:32:182
162939960,6cyclictest0-21swapper/210:18:512
162939960,6cyclictest0-21swapper/209:00:542
162939960,5cyclictest0-21swapper/207:59:562
162939960,1cyclictest0-21swapper/210:25:112
162889960,6cyclictest0-21swapper/112:19:331
162889960,6cyclictest0-21swapper/110:32:421
162889960,6cyclictest0-21swapper/110:29:241
162889960,6cyclictest0-21swapper/110:04:021
162889960,6cyclictest0-21swapper/108:44:001
162889960,6cyclictest0-21swapper/108:12:261
162889960,6cyclictest0-21swapper/107:33:281
162889960,5cyclictest0-21swapper/110:22:121
162889960,4cyclictest0-21swapper/109:45:101
162889960,3cyclictest0-21swapper/111:25:111
162889960,3cyclictest0-21swapper/111:00:151
162889960,2cyclictest0-21swapper/112:25:111
162889960,2cyclictest0-21swapper/111:20:111
162889960,1cyclictest0-21swapper/112:31:221
162889960,1cyclictest0-21swapper/111:45:151
162889960,1cyclictest0-21swapper/110:37:151
162839965,1cyclictest9-21ksoftirqd/012:10:110
162839965,1cyclictest9-21ksoftirqd/008:25:110
162839965,1cyclictest32644-21ntpq11:15:150
162839964,1cyclictest9-21ksoftirqd/010:40:090
162839964,1cyclictest9-21ksoftirqd/010:05:130
162839964,1cyclictest9-21ksoftirqd/009:05:120
162839964,1cyclictest707-21snmpd12:38:580
162839960,5cyclictest0-21swapper/008:50:100
162839960,0cyclictest0-21swapper/010:25:570
162839960,0cyclictest0-21swapper/009:51:060
9638250,1sleep30-21swapper/309:11:193
163019954,1cyclictest707-21snmpd10:28:143
163019954,1cyclictest35-21ksoftirqd/311:35:013
163019954,1cyclictest35-21ksoftirqd/308:22:323
163019954,0cyclictest19618-21apt-get09:35:113
163019953,1cyclictest707-21snmpd12:19:143
163019953,1cyclictest707-21snmpd09:45:193
163019953,1cyclictest31539-21tail11:15:103
163019951,3cyclictest0-21swapper/312:25:113
163019951,1cyclictest0-21swapper/311:45:143
163019950,3cyclictest18464-21df_inode11:55:123
163019950,1cyclictest0-21swapper/309:40:123
163019950,0cyclictest0-21swapper/310:56:463
162939955,0cyclictest61650irq/122-eno112:23:422
162939955,0cyclictest61650irq/122-eno110:05:112
162939955,0cyclictest61650irq/122-eno107:25:142
162939954,1cyclictest61650irq/122-eno111:50:102
162939954,1cyclictest61650irq/122-eno111:05:132
162939951,2cyclictest0-21swapper/209:45:172
162889954,1cyclictest0-21swapper/107:21:371
162889952,2cyclictest0-21swapper/108:20:101
162889951,2cyclictest0-21swapper/107:10:161
162889950,5cyclictest0-21swapper/111:35:161
162889950,5cyclictest0-21swapper/111:16:071
162889950,5cyclictest0-21swapper/109:40:251
162889950,5cyclictest0-21swapper/109:06:261
162889950,5cyclictest0-21swapper/108:59:231
162889950,3cyclictest0-21swapper/109:25:111
162889950,2cyclictest0-21swapper/109:20:101
162889950,1cyclictest0-21swapper/111:14:591
162889950,0cyclictest0-21swapper/112:36:431
162889950,0cyclictest0-21swapper/111:55:371
162839954,1cyclictest9-21ksoftirqd/008:15:140
162839954,1cyclictest1747-21ntpd12:05:100
162839954,1cyclictest10823-21sshd08:06:450
162839950,0cyclictest0-21swapper/010:15:090
163019944,0cyclictest707-21snmpd08:32:563
163019944,0cyclictest19466-21sensors07:15:013
163019944,0cyclictest0-21swapper/310:42:043
163019942,1cyclictest19099-21/usr/sbin/munin10:45:163
163019941,1cyclictest26614-21apt-get07:30:123
163019940,3cyclictest29157-21apt-get11:10:093
162939944,0cyclictest61650irq/122-eno112:00:112
162939944,0cyclictest61650irq/122-eno108:50:112
162939944,0cyclictest61650irq/122-eno107:20:092
162889944,0cyclictest0-21swapper/108:48:521
162889944,0cyclictest0-21swapper/107:50:131
162889941,2cyclictest0-21swapper/110:56:421
162889941,2cyclictest0-21swapper/110:40:011
162889941,2cyclictest0-21swapper/109:30:111
162889941,2cyclictest0-21swapper/108:35:101
162889941,1cyclictest0-21swapper/109:50:111
162889941,1cyclictest0-21swapper/108:50:101
162889940,4cyclictest0-21swapper/110:08:121
162889940,4cyclictest0-21swapper/109:11:411
162889940,4cyclictest0-21swapper/108:07:511
162889940,3cyclictest0-21swapper/111:50:111
162889940,3cyclictest0-21swapper/108:30:121
162889940,3cyclictest0-21swapper/107:55:101
162889940,2cyclictest0-21swapper/111:30:101
162889940,1cyclictest0-21swapper/112:20:121
162889940,1cyclictest0-21swapper/112:10:111
162889940,1cyclictest0-21swapper/107:20:001
162889932,1cyclictest26142-21chrt07:27:071
162889931,1cyclictest0-21swapper/110:45:091
162889931,1cyclictest0-21swapper/110:15:071
162889931,1cyclictest0-21swapper/110:10:111
162889931,1cyclictest0-21swapper/109:35:111
162889931,1cyclictest0-21swapper/108:15:191
162889931,1cyclictest0-21swapper/107:40:101
162889931,1cyclictest0-21swapper/107:40:101
162889930,3cyclictest8338-21taskset08:00:031
162889930,3cyclictest0-21swapper/112:05:181
162889930,3cyclictest0-21swapper/110:50:121
162889930,3cyclictest0-21swapper/109:58:101
162889930,2cyclictest0-21swapper/109:15:101
162889930,1cyclictest0-21swapper/108:25:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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