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2026-08-10 - 01:40
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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 Mon Aug 10, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
204662234158,25sleep20-21swapper/219:09:432
201592211173,24sleep30-21swapper/319:05:423
201922199160,26sleep10-21swapper/119:06:081
203252198160,24sleep00-21swapper/019:07:520
2066621070,0sleep20-21swapper/200:23:052
10062770,0sleep10-21swapper/122:22:211
313712650,0sleep10-21swapper/121:34:231
178942630,0sleep10-21swapper/123:32:381
2056899140,13cyclictest0-21swapper/122:05:151
2056099123,4cyclictest24319-21sed21:25:000
2056099119,1cyclictest7443-21ssh23:17:460
20560991110,1cyclictest9-21ksoftirqd/020:50:010
2057899100,8cyclictest29595-21kworker/u8:123:52:123
2057399100,7cyclictest0-21swapper/219:55:132
2057399100,1cyclictest0-21swapper/223:15:152
2056899100,4cyclictest0-21swapper/121:05:111
2056099103,4cyclictest31546-21sed20:40:010
2056099102,4cyclictest18690-21cut23:35:000
205789990,4cyclictest0-21swapper/321:25:393
205739994,3cyclictest20558-21cyclictest21:15:592
205609994,2cyclictest240-21systemd-journal00:15:000
205609990,5cyclictest561-21nscd23:08:170
205609990,3cyclictest0-21swapper/023:55:150
13759290,1sleep312660-21/usr/sbin/munin20:00:253
31819280,0sleep10-21swapper/123:52:211
205789986,1cyclictest11301-21snmpd20:32:463
205789986,1cyclictest11301-21snmpd20:14:573
205789985,1cyclictest13650irq/124-ahci[0021:44:553
205789983,1cyclictest693-21runrttasks19:25:473
205789982,4cyclictest22930-21munin-node23:17:033
205789981,5cyclictest561-21nscd23:10:503
205789981,1cyclictest0-21swapper/322:42:453
205789980,7cyclictest16622-21ntp_states23:30:193
205789980,7cyclictest0-21swapper/322:13:063
205789980,5cyclictest16822-21fschecks_time22:45:143
205789980,4cyclictest5567-21apt-get19:45:113
205789980,4cyclictest13224-21diskmemload22:20:143
205739986,1cyclictest61650irq/122-eno122:43:172
205739986,1cyclictest28-21ksoftirqd/219:40:002
205739986,1cyclictest11301-21snmpd23:07:532
205739982,3cyclictest13224-21diskmemload22:50:132
205739981,2cyclictest0-21swapper/200:38:272
205739980,0cyclictest0-21swapper/221:39:472
205689981,4cyclictest0-21swapper/123:25:131
205689981,2cyclictest0-21swapper/123:15:121
205689981,1cyclictest0-21swapper/122:15:371
205689980,5cyclictest0-21swapper/100:20:101
205689980,4cyclictest0-21swapper/122:33:351
205609987,1cyclictest9-21ksoftirqd/000:35:070
205609987,1cyclictest531-21ssh22:20:530
205609986,1cyclictest9-21ksoftirqd/020:40:120
205609986,1cyclictest9-21ksoftirqd/020:40:120
205609986,1cyclictest11301-21snmpd21:07:410
205609986,1cyclictest11301-21snmpd19:28:500
205609983,1cyclictest25994-21ssh21:25:190
205609981,6cyclictest9364-21/usr/sbin/munin23:20:170
205609981,6cyclictest0-21swapper/023:26:480
205609981,1cyclictest0-21swapper/021:41:210
205609980,6cyclictest11301-21snmpd22:36:530
205609980,5cyclictest2366-21ssh23:10:180
205609980,4cyclictest29195-21perf23:50:000
205609980,2cyclictest2706-21cron21:40:000
205789976,1cyclictest11301-21snmpd23:56:013
205789976,1cyclictest11301-21snmpd22:31:313
205789975,1cyclictest20173-21ssh00:21:303
205789975,1cyclictest1731-21cat19:35:193
205789975,1cyclictest11301-21snmpd23:27:513
205789975,1cyclictest11301-21snmpd21:48:073
205789975,1cyclictest11301-21snmpd21:21:263
205789975,1cyclictest11301-21snmpd21:02:283
205789975,1cyclictest11301-21snmpd20:08:453
205789975,1cyclictest11301-21snmpd00:25:113
205789975,1cyclictest11301-21snmpd00:14:323
205789975,1cyclictest11168-21cat19:55:173
205789973,4cyclictest561-21nscd21:13:093
205789972,3cyclictest13224-21diskmemload23:44:053
205789971,4cyclictest3216-21apt-get19:40:133
205789971,4cyclictest30143-21apt-get23:05:113
205789970,7cyclictest0-21swapper/321:17:353
205789970,6cyclictest19946-21ssh22:04:063
205789970,6cyclictest0-21swapper/321:33:283
205789970,4cyclictest0-21swapper/323:38:173
205739976,1cyclictest61650irq/122-eno123:40:002
205739976,1cyclictest61650irq/122-eno123:25:532
205739976,1cyclictest61650irq/122-eno123:13:422
205739976,1cyclictest61650irq/122-eno122:33:462
205739976,1cyclictest61650irq/122-eno122:25:162
205739976,1cyclictest61650irq/122-eno122:05:122
205739976,1cyclictest61650irq/122-eno121:50:142
205739976,1cyclictest61650irq/122-eno119:15:192
205739975,1cyclictest61650irq/122-eno122:10:152
205739975,1cyclictest11301-21snmpd22:48:172
205739975,1cyclictest11301-21snmpd21:57:032
205739974,1cyclictest14012-21tr21:10:182
205739973,2cyclictest548-21systemd-logind21:40:222
205739971,1cyclictest30368-21/usr/sbin/munin20:35:172
205739970,6cyclictest13224-21diskmemload22:00:182
205739970,6cyclictest0-21swapper/219:46:362
205739970,1cyclictest24305-21ntp_states22:55:182
205739970,1cyclictest0-21swapper/200:08:512
205689971,6cyclictest0-21swapper/121:03:071
205689970,5cyclictest0-21swapper/123:05:181
205689970,4cyclictest0-21swapper/100:11:341
205689970,3cyclictest0-21swapper/119:10:111
205689970,1cyclictest0-21swapper/122:25:041
205609976,1cyclictest9-21ksoftirqd/021:57:140
205609976,1cyclictest9-21ksoftirqd/021:15:140
205609976,1cyclictest9-21ksoftirqd/020:10:000
205609976,1cyclictest9-21ksoftirqd/019:35:000
205609976,1cyclictest23639-21ssh22:55:140
205609975,1cyclictest29682-21ssh21:30:230
205609975,1cyclictest17311-21ntp_states22:45:180
205609975,1cyclictest11301-21snmpd20:58:310
205609974,2cyclictest25957-21systemctl19:20:000
205609972,1cyclictest0-21swapper/019:55:150
205609970,6cyclictest8444-21sh22:33:470
205609970,6cyclictest6728-21cpu21:45:140
205609970,6cyclictest27772-21ssh23:00:160
205609970,6cyclictest18041-21/usr/sbin/munin00:20:100
205609970,6cyclictest13224-21diskmemload22:10:120
205609970,6cyclictest13224-21diskmemload22:02:440
205609970,6cyclictest0-21swapper/023:50:140
205609970,6cyclictest0-21swapper/022:15:170
205609970,6cyclictest0-21swapper/020:15:170
205609970,6cyclictest0-21swapper/019:10:120
205609970,1cyclictest559-21cron22:45:000
205609970,1cyclictest22888-21ssh22:07:150
205609970,1cyclictest0-21swapper/023:40:130
205609970,1cyclictest0-21swapper/023:35:180
205609970,1cyclictest0-21swapper/000:30:150
205609970,1cyclictest0-21swapper/000:15:180
205789965,1cyclictest4001-21ssh00:00:083
205789965,1cyclictest30176-21ssh22:18:103
205789965,1cyclictest28147-21ssh00:34:393
205789965,1cyclictest24098-21ssh22:55:183
205789965,1cyclictest1821-21ssh21:37:093
205789965,1cyclictest15355-21ssh21:55:333
205789965,1cyclictest11301-21snmpd23:03:323
205789965,1cyclictest11301-21snmpd19:11:113
205789964,1cyclictest35-21ksoftirqd/319:35:003
205789964,1cyclictest2622-21expr22:25:153
205789964,1cyclictest16539-21ssh00:16:043
205789964,1cyclictest11301-21snmpd23:46:193
205789964,1cyclictest11301-21snmpd21:08:323
205789963,1cyclictest548-21systemd-logind20:40:203
205789963,1cyclictest548-21systemd-logind20:40:203
205789962,3cyclictest13224-21diskmemload00:05:093
205789962,2cyclictest29364-21apt-get20:35:123
205789961,3cyclictest20524-21apt-get22:05:123
205789960,6cyclictest0-21swapper/320:15:133
205789960,4cyclictest0-21swapper/321:52:443
205789960,4cyclictest0-21swapper/300:35:013
205789960,2cyclictest0-21swapper/322:50:363
205739966,0cyclictest61650irq/122-eno123:55:022
205739966,0cyclictest61650irq/122-eno123:50:252
205739966,0cyclictest61650irq/122-eno123:45:122
205739966,0cyclictest61650irq/122-eno123:36:092
205739966,0cyclictest61650irq/122-eno123:30:032
205739966,0cyclictest61650irq/122-eno122:21:102
205739966,0cyclictest61650irq/122-eno122:15:072
205739966,0cyclictest61650irq/122-eno121:45:212
205739966,0cyclictest61650irq/122-eno121:25:102
205739966,0cyclictest61650irq/122-eno121:00:112
205739966,0cyclictest61650irq/122-eno120:50:162
205739966,0cyclictest61650irq/122-eno120:31:262
205739966,0cyclictest61650irq/122-eno120:10:322
205739966,0cyclictest61650irq/122-eno119:50:202
205739966,0cyclictest61650irq/122-eno100:25:142
205739966,0cyclictest61650irq/122-eno100:15:142
205739966,0cyclictest61650irq/122-eno100:10:252
205739965,1cyclictest61650irq/122-eno123:00:112
205739965,1cyclictest61650irq/122-eno121:30:032
205739965,1cyclictest61650irq/122-eno120:00:152
205739965,1cyclictest61650irq/122-eno119:40:132
205739965,1cyclictest11301-21snmpd00:00:112
205739964,1cyclictest61650irq/122-eno120:15:212
205739964,1cyclictest61650irq/122-eno119:10:162
205739964,1cyclictest11301-21snmpd22:35:112
205739964,1cyclictest11301-21snmpd20:20:222
205739962,3cyclictest0-21swapper/220:40:132
205739962,3cyclictest0-21swapper/220:40:132
205739962,2cyclictest22292-21python21:20:202
205739961,1cyclictest25037-21/usr/sbin/munin00:30:152
205739960,6cyclictest0-21swapper/220:28:222
205739960,3cyclictest0-21swapper/219:20:132
205739960,1cyclictest0-21swapper/223:20:112
205739960,1cyclictest0-21swapper/221:05:182
205739960,1cyclictest0-21swapper/220:55:142
205739960,1cyclictest0-21swapper/220:45:502
205739960,1cyclictest0-21swapper/219:30:592
205689963,2cyclictest0-21swapper/120:55:141
205689961,3cyclictest0-21swapper/123:35:291
205689961,2cyclictest0-21swapper/100:35:131
205689960,6cyclictest0-21swapper/122:39:221
205689960,6cyclictest0-21swapper/121:50:161
205689960,6cyclictest0-21swapper/121:37:141
205689960,6cyclictest0-21swapper/121:10:141
205689960,6cyclictest0-21swapper/120:25:031
205689960,6cyclictest0-21swapper/120:10:361
205689960,6cyclictest0-21swapper/119:24:561
205689960,6cyclictest0-21swapper/100:00:181
205689960,5cyclictest0-21swapper/119:52:031
205689960,4cyclictest0-21swapper/121:44:451
205689960,3cyclictest0-21swapper/122:11:101
205689960,3cyclictest0-21swapper/121:15:131
205689960,2cyclictest0-21swapper/121:55:101
205689960,1cyclictest0-21swapper/123:00:121
205689960,1cyclictest0-21swapper/120:05:361
205689960,1cyclictest0-21swapper/120:03:361
205689960,0cyclictest0-21swapper/123:24:101
205609966,0cyclictest9666-21ssh00:06:330
205609965,1cyclictest14859-21ntpq21:10:210
205609965,1cyclictest13805-21ntpq20:00:260
205609964,1cyclictest835-21/usr/sbin/munin19:35:170
205609964,1cyclictest18369-21missed_timers20:10:210
205609964,1cyclictest11301-21snmpd20:20:000
205609961,5cyclictest0-21swapper/019:48:300
205609960,6cyclictest0-21swapper/019:24:370
205609960,5cyclictest5458-21mailstats00:00:220
205609960,5cyclictest19555-21ssh22:50:000
205609960,1cyclictest3970-21ssh22:25:330
205609960,0cyclictest0-21swapper/021:50:110
205609960,0cyclictest0-21swapper/019:50:130
205609960,0cyclictest0-21swapper/019:42:070
205609960,0cyclictest0-21swapper/000:25:040
205789954,1cyclictest10427-21ssh23:21:033
205789952,2cyclictest13224-21diskmemload22:37:323
205789951,2cyclictest1932-21grep20:45:133
205789951,1cyclictest8588-21/usr/sbin/munin19:50:163
205789950,5cyclictest0-21swapper/320:20:303
205789950,2cyclictest24867-21/usr/sbin/munin20:25:143
205739955,0cyclictest61650irq/122-eno120:05:222
205739955,0cyclictest61650irq/122-eno119:27:122
205689955,0cyclictest0-21swapper/123:46:371
205689955,0cyclictest0-21swapper/123:41:131
205689955,0cyclictest0-21swapper/122:51:271
205689953,1cyclictest16262sleep123:55:171
205689951,3cyclictest0-21swapper/122:55:111
205689951,2cyclictest0-21swapper/121:45:431
205689950,5cyclictest0-21swapper/120:17:181
205689950,4cyclictest0-21swapper/121:20:171
205689950,4cyclictest0-21swapper/100:27:061
205689950,3cyclictest0-21swapper/123:15:001
205689950,3cyclictest0-21swapper/122:00:231
205689950,2cyclictest0-21swapper/122:41:281
205689950,2cyclictest0-21swapper/119:40:181
205689950,1cyclictest0-21swapper/119:25:141
205689950,0cyclictest0-21swapper/100:08:391
205609952,2cyclictest27097-21aten2.4-expect20:30:120
205609951,1cyclictest240-21systemd-journal20:30:000
205609950,0cyclictest0-21swapper/021:00:130
205609950,0cyclictest0-21swapper/020:52:300
205789941,2cyclictest27602-21sensors_temp19:20:203
205789941,1cyclictest6378-21apt-get20:55:143
205789940,3cyclictest4020-21apt-get20:50:113
205789940,1cyclictest23826-21apt-get19:15:133
205689943,1cyclictest0-21swapper/120:20:181
205689941,2cyclictest0-21swapper/120:35:121
205689941,2cyclictest0-21swapper/100:30:111
205689940,4cyclictest0-21swapper/119:17:511
205689940,3cyclictest0-21swapper/122:45:111
205689940,3cyclictest0-21swapper/120:51:101
205689940,3cyclictest0-21swapper/119:55:141
205689940,2cyclictest0-21swapper/119:47:421
205689940,2cyclictest0-21swapper/119:35:191
205689940,2cyclictest0-21swapper/119:30:111
205689940,2cyclictest0-21swapper/100:15:231
205689940,1cyclictest0-21swapper/121:26:031
205689931,1cyclictest0-21swapper/120:40:121
205689931,1cyclictest0-21swapper/120:40:121
205689930,3cyclictest0-21swapper/120:30:021
205689930,0cyclictest0-21swapper/120:45:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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