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2026-08-15 - 01:31
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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 Sat Aug 15, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122842215150,51sleep00-21swapper/019:07:040
122202205130,25sleep30-21swapper/319:06:143
124042202166,23sleep10-21swapper/119:08:371
122762200161,26sleep20-21swapper/219:06:582
32582790,0sleep10-21swapper/119:55:161
18372150,0sleep10-21swapper/121:50:131
12598991513,1cyclictest9-21ksoftirqd/022:50:000
191632140,0sleep10-21swapper/122:15:001
12610991312,1cyclictest28-21ksoftirqd/221:10:132
12610991210,1cyclictest28-21ksoftirqd/221:40:002
1259899129,1cyclictest9-21ksoftirqd/019:50:000
12598991211,1cyclictest9-21ksoftirqd/023:15:110
77632110,0sleep10-21swapper/121:12:211
1261899119,1cyclictest35-21ksoftirqd/322:25:013
1261099119,1cyclictest28-21ksoftirqd/221:25:002
1259899119,1cyclictest9-21ksoftirqd/022:10:000
1259899119,1cyclictest9-21ksoftirqd/021:50:210
1259899119,1cyclictest9-21ksoftirqd/020:45:130
1259899118,1cyclictest9-21ksoftirqd/022:35:000
1259899114,4cyclictest21929-21cat23:05:000
12598991110,1cyclictest9-21ksoftirqd/000:20:180
1261899108,1cyclictest5254-21diskmemload23:08:043
1261099108,1cyclictest28-21ksoftirqd/221:10:002
1259899109,1cyclictest9-21ksoftirqd/023:25:100
1259899109,1cyclictest9-21ksoftirqd/022:50:110
1259899109,1cyclictest9-21ksoftirqd/022:10:110
1259899109,1cyclictest9-21ksoftirqd/021:30:100
1259899109,1cyclictest9-21ksoftirqd/021:10:110
1259899109,1cyclictest9-21ksoftirqd/020:55:190
1259899108,1cyclictest9-21ksoftirqd/022:55:130
1259899108,1cyclictest9-21ksoftirqd/022:35:120
1259899103,6cyclictest3481-21grep23:25:000
12598991010,0cyclictest9-21ksoftirqd/022:25:110
12598991010,0cyclictest9-21ksoftirqd/022:15:170
126189990,2cyclictest0-21swapper/322:45:113
126109998,1cyclictest28-21ksoftirqd/223:10:002
126109998,1cyclictest28-21ksoftirqd/221:40:122
126109997,1cyclictest28-21ksoftirqd/223:50:002
125989999,0cyclictest9-21ksoftirqd/023:05:150
125989999,0cyclictest9-21ksoftirqd/022:40:130
125989999,0cyclictest9-21ksoftirqd/022:20:140
125989999,0cyclictest9-21ksoftirqd/021:23:290
125989999,0cyclictest9-21ksoftirqd/000:25:160
125989998,1cyclictest9-21ksoftirqd/023:55:090
125989998,1cyclictest9-21ksoftirqd/023:30:020
125989998,1cyclictest9-21ksoftirqd/022:00:150
125989998,1cyclictest9-21ksoftirqd/021:41:310
125989998,1cyclictest9-21ksoftirqd/021:39:400
125989998,1cyclictest9-21ksoftirqd/020:35:200
125989998,1cyclictest9-21ksoftirqd/020:30:130
125989998,1cyclictest9-21ksoftirqd/019:35:110
125989998,1cyclictest9-21ksoftirqd/019:15:150
125989998,1cyclictest9-21ksoftirqd/000:35:130
125989998,1cyclictest9-21ksoftirqd/000:15:110
125989998,1cyclictest9-21ksoftirqd/000:00:170
125989997,1cyclictest9-21ksoftirqd/023:10:120
125989997,1cyclictest9-21ksoftirqd/021:50:000
125989991,2cyclictest0-21swapper/000:10:550
126189987,1cyclictest35-21ksoftirqd/322:20:003
126189987,1cyclictest35-21ksoftirqd/321:25:003
126189987,1cyclictest35-21ksoftirqd/319:15:013
126189986,1cyclictest35-21ksoftirqd/323:55:123
126189980,6cyclictest29780-21apt-get22:30:113
126109986,1cyclictest61650irq/122-eno123:40:122
126109986,1cyclictest61650irq/122-eno122:45:162
126109986,1cyclictest61650irq/122-eno122:05:192
126109986,1cyclictest28-21ksoftirqd/200:15:012
126109986,1cyclictest11301-21snmpd23:17:372
126109986,1cyclictest11301-21snmpd22:38:042
126109980,6cyclictest3152-21kworker/u8:000:25:322
126109980,0cyclictest0-21swapper/200:19:372
126029980,2cyclictest0-21swapper/122:46:381
125989988,0cyclictest9-21ksoftirqd/020:25:100
125989988,0cyclictest9-21ksoftirqd/000:34:370
125989987,1cyclictest9-21ksoftirqd/021:55:140
125989987,1cyclictest9-21ksoftirqd/021:25:100
125989987,1cyclictest9-21ksoftirqd/021:15:130
125989987,1cyclictest9-21ksoftirqd/019:10:120
125989987,1cyclictest9-21ksoftirqd/000:05:140
125989987,0cyclictest9-21ksoftirqd/019:25:120
125989986,2cyclictest9-21ksoftirqd/020:05:120
125989985,2cyclictest9-21ksoftirqd/020:50:160
125989980,8cyclictest0-21swapper/019:30:170
125989980,7cyclictest21258-21aten_r1power_cu23:50:110
125989980,5cyclictest0-21swapper/019:50:120
23560270,0sleep30-21swapper/300:38:053
126189976,1cyclictest5552-21ntpq22:40:183
126189976,1cyclictest35-21ksoftirqd/323:35:003
126189976,1cyclictest11301-21snmpd19:23:133
126189976,1cyclictest11301-21snmpd00:16:513
126189975,1cyclictest7771-21ssh21:12:223
126189975,1cyclictest11301-21snmpd23:02:233
126189973,2cyclictest5254-21diskmemload23:13:063
126189971,3cyclictest568-21nscd00:12:013
126189971,1cyclictest2764-21munin-run00:10:003
126189970,5cyclictest14952-21munin-node21:37:593
126189970,5cyclictest0-21swapper/322:55:363
126189970,4cyclictest0-21swapper/321:16:013
126189970,3cyclictest0-21swapper/322:26:343
126189970,2cyclictest0-21swapper/322:07:003
126189970,2cyclictest0-21swapper/322:01:213
126109977,0cyclictest0-21swapper/219:34:152
126109976,1cyclictest61650irq/122-eno122:10:142
126109976,1cyclictest61650irq/122-eno121:55:162
126109976,1cyclictest61650irq/122-eno121:50:132
126109976,1cyclictest61650irq/122-eno120:55:112
126109976,1cyclictest28-21ksoftirqd/223:55:002
126109976,1cyclictest28-21ksoftirqd/221:25:002
126109976,0cyclictest61650irq/122-eno123:25:102
126109976,0cyclictest61650irq/122-eno122:25:122
126109975,1cyclictest61650irq/122-eno122:40:502
126109975,1cyclictest28-21ksoftirqd/223:35:142
126109975,1cyclictest28-21ksoftirqd/219:30:002
126109972,2cyclictest5254-21diskmemload00:30:142
126109972,2cyclictest0-21swapper/223:30:162
126109971,2cyclictest29585-21runrttasks19:42:442
126109971,2cyclictest0-21swapper/222:51:462
126109970,6cyclictest26407-21df_inode20:45:142
126109970,6cyclictest0-21swapper/222:55:052
126109970,6cyclictest0-21swapper/222:30:142
126029971,1cyclictest0-21swapper/121:26:141
126029970,6cyclictest0-21swapper/122:51:291
126029970,6cyclictest0-21swapper/120:47:581
126029970,6cyclictest0-21swapper/119:15:171
126029970,6cyclictest0-21swapper/100:34:111
126029970,6cyclictest0-21swapper/100:20:151
126029970,4cyclictest0-21swapper/122:01:071
126029970,4cyclictest0-21swapper/120:50:111
126029970,2cyclictest0-21swapper/123:20:111
126029970,1cyclictest0-21swapper/123:17:301
125989976,1cyclictest9-21ksoftirqd/021:00:180
125989976,1cyclictest9-21ksoftirqd/020:00:000
125989975,1cyclictest11301-21snmpd20:10:470
125989970,7cyclictest0-21swapper/019:40:190
125989970,6cyclictest5258-21apt21:10:000
125989970,6cyclictest18395-21fschecks_time23:45:150
125989970,6cyclictest16416-21ssh23:41:390
125989970,1cyclictest0-21swapper/023:35:140
14391260,0sleep10-21swapper/119:10:221
126189966,0cyclictest5254-21diskmemload21:45:053
126189965,1cyclictest3597-21ssh21:51:063
126189965,1cyclictest31426-21ssh23:17:013
126189965,1cyclictest27072-21ntpq20:45:173
126189965,1cyclictest19806-21ssh23:46:173
126189965,1cyclictest17818-21ssh21:25:183
126189965,1cyclictest17477-21perf23:45:003
126189965,0cyclictest6708-21ssh23:29:133
126189964,1cyclictest28738-21cstates20:50:143
126189964,1cyclictest11301-21snmpd20:37:573
126189963,1cyclictest240-21systemd-journal19:15:013
126189962,2cyclictest5254-21diskmemload22:51:533
126189961,0cyclictest0-21swapper/300:00:053
126189960,6cyclictest0-21swapper/321:58:293
126189960,2cyclictest0-21swapper/323:37:323
126189960,1cyclictest32729-21/usr/sbin/munin23:20:133
126189960,1cyclictest2735-21latency_hist21:05:003
126109966,0cyclictest61650irq/122-eno123:55:082
126109966,0cyclictest61650irq/122-eno123:10:432
126109966,0cyclictest61650irq/122-eno123:00:142
126109966,0cyclictest61650irq/122-eno122:00:212
126109966,0cyclictest61650irq/122-eno121:30:082
126109966,0cyclictest61650irq/122-eno121:15:142
126109966,0cyclictest61650irq/122-eno121:02:482
126109966,0cyclictest61650irq/122-eno120:40:522
126109966,0cyclictest61650irq/122-eno120:20:172
126109966,0cyclictest61650irq/122-eno120:15:142
126109966,0cyclictest61650irq/122-eno119:55:152
126109966,0cyclictest61650irq/122-eno119:50:182
126109966,0cyclictest61650irq/122-eno119:20:112
126109966,0cyclictest61650irq/122-eno119:15:002
126109966,0cyclictest61650irq/122-eno100:35:072
126109966,0cyclictest61650irq/122-eno100:20:312
126109966,0cyclictest61650irq/122-eno100:05:192
126109966,0cyclictest61650irq/122-eno100:00:092
126109965,1cyclictest935-21ssh23:20:142
126109965,1cyclictest61650irq/122-eno120:10:112
126109965,0cyclictest61650irq/122-eno122:15:112
126109964,1cyclictest61650irq/122-eno122:20:132
126109964,1cyclictest61650irq/122-eno120:25:102
126109964,1cyclictest61650irq/122-eno119:45:082
126109964,1cyclictest28-21ksoftirqd/221:45:132
126109963,1cyclictest0-21swapper/220:50:182
126109961,3cyclictest0-21swapper/219:15:132
126109961,1cyclictest26812-21sed19:35:192
126109960,1cyclictest0-21swapper/220:30:112
126029962,2cyclictest0-21swapper/123:49:551
126029962,0cyclictest0-21swapper/121:31:021
126029961,5cyclictest0-21swapper/122:18:221
126029961,2cyclictest0-21swapper/123:05:111
126029960,6cyclictest0-21swapper/123:51:501
126029960,6cyclictest0-21swapper/121:55:321
126029960,6cyclictest0-21swapper/121:45:421
126029960,6cyclictest0-21swapper/121:04:341
126029960,6cyclictest0-21swapper/120:10:141
126029960,6cyclictest0-21swapper/119:27:551
126029960,5cyclictest0-21swapper/123:40:161
126029960,5cyclictest0-21swapper/123:00:171
126029960,5cyclictest0-21swapper/122:09:131
126029960,4cyclictest0-21swapper/123:55:421
126029960,4cyclictest0-21swapper/123:26:041
126029960,3cyclictest0-21swapper/123:36:551
126029960,3cyclictest0-21swapper/123:30:011
126029960,3cyclictest0-21swapper/122:26:081
126029960,3cyclictest0-21swapper/120:20:141
126029960,1cyclictest0-21swapper/120:33:091
126029960,1cyclictest0-21swapper/100:38:221
126029960,0cyclictest0-21swapper/122:55:091
126029960,0cyclictest0-21swapper/122:36:311
126029960,0cyclictest0-21swapper/100:04:091
125989965,1cyclictest9-21ksoftirqd/020:40:140
125989965,1cyclictest9-21ksoftirqd/020:00:100
125989964,1cyclictest9-21ksoftirqd/020:20:110
125989960,6cyclictest0-21swapper/020:16:140
125989960,5cyclictest0-21swapper/019:20:120
126189955,0cyclictest5254-21diskmemload21:32:213
126189955,0cyclictest5254-21diskmemload00:20:023
126189954,1cyclictest28530-21cat19:40:163
126189954,1cyclictest14927-21ntpq00:25:183
126189954,1cyclictest11301-21snmpd21:06:083
126189954,1cyclictest11301-21snmpd20:17:273
126189954,1cyclictest11301-21snmpd19:56:233
126189954,1cyclictest10463-21strings20:10:173
126189954,0cyclictest5254-21diskmemload23:51:293
126189953,1cyclictest727-21head19:50:143
126189952,1cyclictest24007-21strings19:30:143
126189952,1cyclictest16986-21ntp_states22:10:183
126189952,0cyclictest5254-21diskmemload22:37:113
126189951,1cyclictest5542-21if_eno120:00:163
126189951,0cyclictest17391-21apt-get00:30:013
126189950,4cyclictest30094-21aten2.4-expect19:45:093
126189950,3cyclictest22704-21perf19:30:013
126189950,1cyclictest0-21swapper/321:40:113
126109953,1cyclictest7850-21cut20:05:162
126109953,1cyclictest583-21in:imuxsock20:00:012
126029955,0cyclictest0-21swapper/122:41:401
126029952,1cyclictest0-21swapper/121:43:271
126029950,5cyclictest0-21swapper/120:58:161
126029950,5cyclictest0-21swapper/120:29:151
126029950,4cyclictest0-21swapper/121:16:381
126029950,4cyclictest0-21swapper/100:14:491
126029950,3cyclictest0-21swapper/122:30:161
126029950,3cyclictest0-21swapper/121:38:371
126029950,2cyclictest0-21swapper/123:11:211
126029950,2cyclictest0-21swapper/122:20:141
126029950,2cyclictest0-21swapper/119:40:121
126029950,2cyclictest0-21swapper/119:30:121
126029950,1cyclictest0-21swapper/121:20:111
126029950,1cyclictest0-21swapper/100:15:131
126029950,1cyclictest0-21swapper/100:05:131
126029950,0cyclictest0-21swapper/119:35:191
126029950,0cyclictest0-21swapper/100:26:151
126189944,0cyclictest11301-21snmpd20:44:173
126189943,1cyclictest35-21ksoftirqd/320:30:093
126189943,1cyclictest16529-21aten2.4-expect20:25:113
126189942,1cyclictest7142-21aten_r1power_po20:05:133
126189941,1cyclictest240-21systemd-journal20:20:003
126189940,2cyclictest30702-21aten_r1power_fr20:55:123
126189940,1cyclictest25801-21/usr/sbin/munin19:35:133
126109944,0cyclictest61650irq/122-eno120:35:132
126029941,2cyclictest0-21swapper/120:00:131
126029940,2cyclictest0-21swapper/121:05:371
126029940,1cyclictest0-21swapper/120:35:161
126029940,1cyclictest0-21swapper/120:05:121
126029940,1cyclictest0-21swapper/119:50:111
126029940,1cyclictest0-21swapper/119:45:101
126029940,0cyclictest0-21swapper/120:40:201
126029930,2cyclictest0-21swapper/119:20:111
126029930,1cyclictest0-21swapper/120:15:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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