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2026-08-13 - 10:45
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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 Thu Aug 13, 2026 00:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15392229158,57sleep30-21swapper/319:09:163
13172202162,26sleep20-21swapper/219:06:232
13932199161,25sleep10-21swapper/119:07:211
14122198161,24sleep00-21swapper/019:07:370
1678991311,1cyclictest9-21ksoftirqd/023:45:000
170399120,2cyclictest0-21swapper/323:55:113
167899125,6cyclictest9-21ksoftirqd/022:10:120
1678991211,1cyclictest9-21ksoftirqd/023:30:010
1678991210,1cyclictest9-21ksoftirqd/023:00:000
1678991210,1cyclictest9-21ksoftirqd/022:05:000
1678991210,1cyclictest9-21ksoftirqd/000:15:010
169699114,7cyclictest61650irq/122-eno122:09:572
1696991110,1cyclictest28-21ksoftirqd/221:56:202
167899119,2cyclictest9-21ksoftirqd/023:10:130
1678991111,0cyclictest0-21swapper/021:43:580
1678991110,1cyclictest9-21ksoftirqd/020:59:590
170399108,1cyclictest35-21ksoftirqd/319:20:003
169699109,1cyclictest28-21ksoftirqd/221:32:162
167899109,1cyclictest9-21ksoftirqd/021:39:590
167899109,1cyclictest9-21ksoftirqd/020:40:000
167899109,0cyclictest9-21ksoftirqd/023:05:000
167899108,1cyclictest9-21ksoftirqd/019:19:590
167899101,4cyclictest11842-21sed19:30:000
16969999,0cyclictest0-21swapper/222:40:422
16969999,0cyclictest0-21swapper/221:35:122
16969997,1cyclictest11843-21/usr/sbin/munin22:20:162
16969996,2cyclictest6574-21perf23:45:002
16969996,1cyclictest0-21swapper/222:15:112
16969990,6cyclictest4048-21munin-node22:10:182
16859998,1cyclictest21-21ksoftirqd/121:36:011
16859990,2cyclictest0-21swapper/123:55:121
16789999,0cyclictest9-21ksoftirqd/022:40:010
16789999,0cyclictest9-21ksoftirqd/021:25:000
16789998,1cyclictest9-21ksoftirqd/023:10:000
16789998,1cyclictest9-21ksoftirqd/022:20:130
16789998,1cyclictest9-21ksoftirqd/022:10:010
16789998,1cyclictest9-21ksoftirqd/000:05:000
16789998,0cyclictest9-21ksoftirqd/021:30:010
16789997,1cyclictest9-21ksoftirqd/022:30:130
16789997,1cyclictest9-21ksoftirqd/021:20:010
16789996,2cyclictest26555-21diskmemload23:55:130
16789991,4cyclictest26596-21cat21:10:000
16789990,5cyclictest0-21swapper/019:45:130
17039986,1cyclictest11301-21snmpd21:37:383
17039981,4cyclictest0-21swapper/322:10:113
17039980,5cyclictest4587-21ssh23:40:173
17039980,5cyclictest0-21swapper/321:50:003
16969987,1cyclictest26555-21diskmemload21:50:122
16969986,1cyclictest61650irq/122-eno123:30:122
16969986,1cyclictest61650irq/122-eno122:50:172
16969986,1cyclictest61650irq/122-eno122:00:172
16969986,1cyclictest28-21ksoftirqd/223:27:362
16969986,1cyclictest11301-21snmpd23:35:092
16969986,1cyclictest11301-21snmpd00:26:322
16969986,1cyclictest11301-21snmpd00:00:162
16969984,2cyclictest548-21systemd-logind22:35:182
16969984,2cyclictest240-21systemd-journal00:20:002
16859980,1cyclictest0-21swapper/122:25:111
16789988,0cyclictest9-21ksoftirqd/000:05:200
16789987,1cyclictest9-21ksoftirqd/023:30:130
16789987,1cyclictest9-21ksoftirqd/022:40:130
16789987,1cyclictest9-21ksoftirqd/021:50:150
16789987,1cyclictest9-21ksoftirqd/020:15:000
16789987,1cyclictest26555-21diskmemload22:25:110
16789986,1cyclictest9-21ksoftirqd/020:45:140
16789986,1cyclictest9-21ksoftirqd/020:25:010
16789981,5cyclictest26555-21diskmemload21:57:430
16789981,5cyclictest11301-21snmpd23:15:560
17039977,0cyclictest35-21ksoftirqd/321:50:183
17039977,0cyclictest35-21ksoftirqd/321:35:013
17039976,1cyclictest35-21ksoftirqd/321:00:003
17039976,1cyclictest11301-21snmpd21:28:093
17039976,1cyclictest11301-21snmpd00:37:353
17039976,1cyclictest11301-21snmpd00:17:443
17039976,1cyclictest11301-21snmpd00:11:373
17039975,1cyclictest11301-21snmpd19:38:503
17039974,1cyclictest548-21systemd-logind21:17:083
17039971,3cyclictest7926-21apt-get20:30:153
17039970,5cyclictest7666-21unixbench-2d00:30:223
17039970,5cyclictest11301-21snmpd22:24:493
17039970,4cyclictest0-21swapper/323:18:373
17039970,4cyclictest0-21swapper/322:45:113
17039970,1cyclictest0-21swapper/321:05:103
16969976,1cyclictest61650irq/122-eno123:51:022
16969976,1cyclictest61650irq/122-eno122:30:192
16969976,1cyclictest61650irq/122-eno100:39:412
16969976,1cyclictest28-21ksoftirqd/220:43:452
16969976,1cyclictest11301-21snmpd21:46:282
16969976,0cyclictest61650irq/122-eno123:06:312
16969975,1cyclictest61650irq/122-eno119:40:012
16969975,1cyclictest61650irq/122-eno119:10:142
16969975,1cyclictest61650irq/122-eno100:30:152
16969975,1cyclictest2879-21ntpq21:20:172
16969975,1cyclictest17111-21cron20:50:002
16969975,1cyclictest11301-21snmpd22:55:522
16969972,3cyclictest15929-21kworker/u8:200:13:102
16969972,1cyclictest29660-21/usr/sbin/munin20:05:152
16969971,6cyclictest0-21swapper/219:19:032
16969971,6cyclictest0-21swapper/200:23:502
16969970,4cyclictest26555-21diskmemload23:10:092
16969970,2cyclictest0-21swapper/223:20:392
16969970,1cyclictest0-21swapper/223:17:382
16859976,1cyclictest0-21swapper/119:20:121
16859971,6cyclictest0-21swapper/121:07:191
16859970,6cyclictest0-21swapper/121:50:081
16859970,6cyclictest0-21swapper/121:33:281
16859970,5cyclictest0-21swapper/121:56:491
16859970,5cyclictest0-21swapper/121:23:441
16859970,4cyclictest0-21swapper/123:25:031
16859970,4cyclictest0-21swapper/123:05:121
16859970,4cyclictest0-21swapper/122:55:241
16859970,4cyclictest0-21swapper/122:42:451
16859970,4cyclictest0-21swapper/100:38:211
16859970,1cyclictest0-21swapper/120:19:431
16859970,1cyclictest0-21swapper/119:38:501
16859970,1cyclictest0-21swapper/100:03:161
16789976,1cyclictest9-21ksoftirqd/020:35:010
16789976,1cyclictest9-21ksoftirqd/019:55:000
16789976,1cyclictest9-21ksoftirqd/000:25:010
16789975,1cyclictest9-21ksoftirqd/020:52:050
16789975,1cyclictest21767-21head23:20:120
16789975,1cyclictest17264-21diskstats19:40:130
16789975,1cyclictest15548-21ntpq19:35:180
16789975,1cyclictest11301-21snmpd20:26:140
16789974,1cyclictest26555-21diskmemload23:36:280
16789973,2cyclictest240-21systemd-journal22:55:010
16789973,2cyclictest240-21systemd-journal20:10:000
16789971,6cyclictest32718-21ssh22:49:470
16789970,6cyclictest29044-21ssh00:15:180
16789970,6cyclictest28032-21ssh21:10:160
16789970,6cyclictest19510-21ssh21:45:110
16789970,6cyclictest11688-21rt-features23:50:170
16789970,6cyclictest10412-21ssh22:16:200
16789970,1cyclictest8220-21ssh00:31:420
16789970,1cyclictest5462-21ssh00:29:080
16789970,1cyclictest0-21swapper/023:45:120
17039965,1cyclictest9688-21ssh23:01:033
17039965,1cyclictest3648-21ssh22:07:063
17039965,1cyclictest35-21ksoftirqd/320:50:003
17039965,1cyclictest19317-21ssh00:00:553
17039965,1cyclictest16995-21kworker/3:221:11:193
17039965,1cyclictest11301-21snmpd23:45:063
17039965,1cyclictest11301-21snmpd20:00:583
17039964,1cyclictest11301-21snmpd20:54:213
17039964,1cyclictest11301-21snmpd20:36:483
17039964,1cyclictest11301-21snmpd00:20:373
17039962,4cyclictest29951-21munin-run22:00:013
17039962,3cyclictest1668-21cyclictest19:54:433
17039962,2cyclictest818-21/usr/sbin/munin20:15:183
17039962,2cyclictest26555-21diskmemload23:20:223
17039962,2cyclictest16005-21apt-get21:40:113
17039961,2cyclictest26555-21diskmemload23:36:123
17039961,2cyclictest21789-21/usr/sbin/munin00:05:203
17039961,2cyclictest18200-21/usr/sbin/munin19:40:203
17039961,2cyclictest0-21swapper/320:25:013
17039960,5cyclictest29897-21kworker/u8:222:40:113
17039960,5cyclictest0-21swapper/323:12:473
17039960,4cyclictest0-21swapper/323:06:493
17039960,4cyclictest0-21swapper/322:50:163
17039960,4cyclictest0-21swapper/322:35:003
17039960,4cyclictest0-21swapper/322:02:133
17039960,3cyclictest0-21swapper/322:57:413
17039960,2cyclictest0-21swapper/323:50:103
17039960,1cyclictest240-21systemd-journal21:04:543
17039960,1cyclictest0-21swapper/322:34:453
16969966,0cyclictest61650irq/122-eno122:45:172
16969966,0cyclictest61650irq/122-eno121:25:232
16969966,0cyclictest61650irq/122-eno121:10:142
16969966,0cyclictest61650irq/122-eno120:50:162
16969966,0cyclictest61650irq/122-eno120:30:142
16969966,0cyclictest61650irq/122-eno120:10:112
16969966,0cyclictest61650irq/122-eno119:51:262
16969966,0cyclictest61650irq/122-eno119:45:142
16969966,0cyclictest61650irq/122-eno119:25:152
16969965,1cyclictest61650irq/122-eno123:45:182
16969965,1cyclictest61650irq/122-eno122:25:132
16969965,1cyclictest61650irq/122-eno121:40:132
16969965,1cyclictest61650irq/122-eno100:05:212
16969965,1cyclictest28-21ksoftirqd/220:30:012
16969964,1cyclictest61650irq/122-eno123:00:122
16969964,1cyclictest61650irq/122-eno119:55:122
16969964,1cyclictest11301-21snmpd21:15:462
16969963,1cyclictest240-21systemd-journal21:09:592
16969960,3cyclictest0-21swapper/223:55:062
16859962,2cyclictest0-21swapper/100:05:201
16859961,3cyclictest0-21swapper/123:42:071
16859960,6cyclictest0-21swapper/123:14:291
16859960,6cyclictest0-21swapper/122:34:041
16859960,6cyclictest0-21swapper/121:48:351
16859960,6cyclictest0-21swapper/120:54:211
16859960,6cyclictest0-21swapper/120:26:511
16859960,6cyclictest0-21swapper/119:41:461
16859960,6cyclictest0-21swapper/100:21:501
16859960,6cyclictest0-21swapper/100:10:291
16859960,5cyclictest0-21swapper/120:45:141
16859960,4cyclictest0-21swapper/122:45:031
16859960,4cyclictest0-21swapper/100:28:351
16859960,4cyclictest0-21swapper/100:16:511
16859960,3cyclictest0-21swapper/122:50:091
16859960,0cyclictest0-21swapper/123:48:441
16789965,1cyclictest11301-21snmpd20:44:540
16789965,1cyclictest11301-21snmpd20:02:050
16789963,2cyclictest9731-21/usr/sbin/munin00:35:210
16789963,2cyclictest4019-21cron19:15:000
16789961,5cyclictest8945-21/usr/sbin/munin21:30:170
16789960,1cyclictest0-21swapper/019:20:100
32047250,0sleep10-21swapper/122:00:291
17039955,0cyclictest28679-21ssh23:30:033
17039955,0cyclictest18205-21ssh22:28:553
17039954,1cyclictest13186-21ntpq19:30:173
17039954,1cyclictest11301-21snmpd20:26:513
17039951,2cyclictest11301-21snmpd19:27:513
17039951,1cyclictest12651-21apt-get20:40:093
17039950,2cyclictest240-21systemd-journal20:00:003
17039950,2cyclictest0-21swapper/323:25:113
17039950,2cyclictest0-21swapper/320:05:163
17039950,1cyclictest0-21swapper/322:17:113
17039950,1cyclictest0-21swapper/321:24:183
17039950,1cyclictest0-21swapper/319:14:003
17039950,0cyclictest0-21swapper/300:25:113
16969955,0cyclictest61650irq/122-eno121:00:182
16969955,0cyclictest61650irq/122-eno120:00:222
16969955,0cyclictest61650irq/122-eno119:20:152
16969954,1cyclictest17629-21cat19:40:152
16969953,1cyclictest61650irq/122-eno120:55:142
16969950,5cyclictest0-21swapper/220:35:152
16969950,4cyclictest818-21/usr/sbin/munin20:15:162
16969950,4cyclictest3212-21/usr/sbin/munin20:20:152
16969950,3cyclictest0-21swapper/219:30:142
16859955,0cyclictest0-21swapper/123:30:191
16859955,0cyclictest0-21swapper/123:02:591
16859955,0cyclictest0-21swapper/100:31:161
16859952,2cyclictest0-21swapper/122:12:471
16859951,4cyclictest0-21swapper/121:00:091
16859950,5cyclictest0-21swapper/122:18:311
16859950,5cyclictest0-21swapper/121:27:101
16859950,5cyclictest0-21swapper/120:36:481
16859950,5cyclictest0-21swapper/120:03:371
16859950,5cyclictest0-21swapper/119:52:581
16859950,4cyclictest0-21swapper/123:35:201
16859950,4cyclictest0-21swapper/123:15:221
16859950,4cyclictest0-21swapper/122:35:571
16859950,4cyclictest0-21swapper/122:20:321
16859950,4cyclictest0-21swapper/120:10:001
16859950,3cyclictest0-21swapper/122:08:111
16859950,3cyclictest0-21swapper/121:16:021
16859950,2cyclictest0-21swapper/121:40:121
16859950,2cyclictest0-21swapper/119:55:181
16859950,2cyclictest0-21swapper/119:15:201
16859950,1cyclictest0-21swapper/123:20:401
16859950,0cyclictest0-21swapper/123:51:581
16859950,0cyclictest0-21swapper/121:14:101
16789953,1cyclictest9-21ksoftirqd/019:30:130
16789950,4cyclictest882-21telnet20:15:130
16789950,2cyclictest0-21swapper/021:00:100
16789950,0cyclictest0-21swapper/019:55:100
17039944,0cyclictest11301-21snmpd19:47:563
17039943,1cyclictest11301-21snmpd19:20:133
17039940,1cyclictest0-21swapper/320:10:123
16859942,1cyclictest320912sleep120:10:181
16859942,1cyclictest144372sleep120:40:541
16859942,1cyclictest110912sleep119:25:211
16859940,3cyclictest0-21swapper/119:46:061
16859940,1cyclictest0-21swapper/120:35:011
16859940,1cyclictest0-21swapper/119:10:191
16859932,1cyclictest0-21swapper/120:55:131
16859930,2cyclictest0-21swapper/120:20:131
16859930,1cyclictest0-21swapper/119:30:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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