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2026-06-03 - 20:38
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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 Wed Jun 03, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
316762221154,54sleep30-21swapper/307:07:273
317642202162,26sleep20-21swapper/207:08:342
315472200162,25sleep10-21swapper/107:05:441
316282199146,41sleep00-21swapper/007:06:480
299612610,0sleep20-21swapper/209:59:542
88852170,0sleep10-21swapper/108:35:161
149462160,0sleep00-21swapper/009:39:150
3197699156,8cyclictest28-21ksoftirqd/212:30:162
50952120,0sleep10-21swapper/109:25:181
31976991210,1cyclictest28-21ksoftirqd/212:25:012
31984991111,0cyclictest0-21swapper/309:37:093
31976991111,0cyclictest28-21ksoftirqd/209:17:492
31976991110,1cyclictest28-21ksoftirqd/212:05:182
31976991110,1cyclictest28-21ksoftirqd/211:11:012
31976991110,1cyclictest28-21ksoftirqd/210:25:122
31976991110,1cyclictest28-21ksoftirqd/209:51:222
31976991110,0cyclictest28-21ksoftirqd/210:15:152
3196099113,4cyclictest25111-21grep11:20:000
3196099113,4cyclictest12656-21perf12:30:010
31984991010,0cyclictest0-21swapper/312:33:023
3197699109,1cyclictest28-21ksoftirqd/212:25:142
3197699109,1cyclictest28-21ksoftirqd/211:54:282
3197699109,1cyclictest28-21ksoftirqd/210:03:572
3197699108,1cyclictest28-21ksoftirqd/210:30:132
3197699100,9cyclictest0-21swapper/207:40:132
3196099109,1cyclictest9-21ksoftirqd/011:49:590
3196099103,4cyclictest20043-21sed12:40:000
319849996,2cyclictest1029-21snmpd09:59:283
319849992,2cyclictest27832-21telnet10:40:123
319849990,5cyclictest693-21runrttasks09:12:003
319769999,0cyclictest28-21ksoftirqd/211:34:152
319769999,0cyclictest28-21ksoftirqd/211:27:022
319769998,1cyclictest28-21ksoftirqd/211:44:432
319769998,1cyclictest28-21ksoftirqd/211:21:422
319769998,1cyclictest28-21ksoftirqd/211:18:112
319769998,1cyclictest28-21ksoftirqd/210:55:472
319769998,1cyclictest28-21ksoftirqd/210:05:132
319769998,1cyclictest28-21ksoftirqd/209:13:012
319769992,4cyclictest15206-21apt-get08:50:132
319609998,1cyclictest9-21ksoftirqd/008:00:000
319609997,1cyclictest6235-21needreboot07:20:170
319609990,4cyclictest13778-21perf11:04:590
5522280,0sleep30-21swapper/310:52:483
319849987,1cyclictest35-21ksoftirqd/309:00:013
319849987,1cyclictest35-21ksoftirqd/308:45:003
319849986,1cyclictest35-21ksoftirqd/309:06:053
319849986,1cyclictest1029-21snmpd12:17:023
319849986,1cyclictest1029-21snmpd11:08:113
319849986,1cyclictest1029-21snmpd10:12:223
319849986,1cyclictest1029-21snmpd08:31:333
319849986,1cyclictest1029-21snmpd07:36:593
319849982,2cyclictest24651-21diskmemload09:48:003
319849980,5cyclictest20359-21runrttasks11:12:533
319769988,0cyclictest28-21ksoftirqd/212:10:192
319769988,0cyclictest28-21ksoftirqd/211:55:182
319769988,0cyclictest28-21ksoftirqd/211:49:112
319769988,0cyclictest28-21ksoftirqd/208:10:182
319769988,0cyclictest28-21ksoftirqd/207:45:212
319769988,0cyclictest28-21ksoftirqd/207:15:142
319769987,1cyclictest28-21ksoftirqd/212:00:262
319769987,1cyclictest28-21ksoftirqd/211:09:562
319769987,1cyclictest28-21ksoftirqd/210:53:492
319769987,1cyclictest28-21ksoftirqd/210:43:002
319769987,1cyclictest28-21ksoftirqd/209:30:062
319769987,0cyclictest28-21ksoftirqd/209:35:162
319769986,1cyclictest61650irq/122-eno109:40:182
319769986,1cyclictest28-21ksoftirqd/211:00:162
319769986,1cyclictest28-21ksoftirqd/210:45:402
319769986,1cyclictest28-21ksoftirqd/210:10:142
319769986,1cyclictest28-21ksoftirqd/209:22:082
319769986,1cyclictest28-21ksoftirqd/209:05:122
319769986,1cyclictest28-21ksoftirqd/207:55:002
319769986,1cyclictest14666-21kworker/2:208:15:122
319769986,1cyclictest1029-21snmpd09:00:142
319769986,1cyclictest1029-21snmpd09:00:142
319769985,2cyclictest24651-21diskmemload10:35:172
319769980,0cyclictest0-21swapper/208:25:192
319699980,4cyclictest0-21swapper/112:00:191
319609986,1cyclictest16655-21ntpq11:50:170
319609986,1cyclictest1029-21snmpd11:58:500
319609986,1cyclictest1029-21snmpd10:28:500
319609986,1cyclictest1029-21snmpd07:53:030
319609982,5cyclictest24651-21diskmemload10:07:040
319609981,1cyclictest0-21swapper/007:41:040
319609980,7cyclictest28467-21ssh12:05:310
319609980,7cyclictest13459-21fschecks_count10:20:140
319609980,4cyclictest848-21latency_hist08:20:000
19556280,1sleep00-21swapper/011:10:320
4819270,1sleep10-21swapper/110:09:321
319849976,1cyclictest17488-1kworker/u9:211:59:533
319849976,1cyclictest1122-21cat09:20:143
319849976,1cyclictest1029-21snmpd09:03:383
319849976,1cyclictest1029-21snmpd09:03:373
319849975,2cyclictest35-21ksoftirqd/309:33:283
319849975,1cyclictest3472-21ssh10:05:383
319849975,1cyclictest2789-21apt-get07:15:113
319849975,1cyclictest11216-21ssh10:16:373
319849975,1cyclictest1029-21snmpd11:30:043
319849975,1cyclictest1029-21snmpd10:59:303
319849975,1cyclictest1029-21snmpd07:40:113
319849974,1cyclictest13650irq/124-ahci[0009:44:543
319849973,3cyclictest12912-21apt-get10:20:113
319849972,5cyclictest15995-21sed08:50:163
319849972,3cyclictest22895-21apt-get09:50:103
319849971,3cyclictest24651-21diskmemload12:00:433
319849970,3cyclictest1029-21snmpd08:05:183
319849970,2cyclictest1029-21snmpd11:47:053
319769977,0cyclictest28-21ksoftirqd/211:37:082
319769976,1cyclictest61650irq/122-eno112:35:212
319769976,1cyclictest61650irq/122-eno109:45:142
319769976,1cyclictest61650irq/122-eno109:00:002
319769976,1cyclictest28-21ksoftirqd/212:15:192
319769976,1cyclictest28-21ksoftirqd/210:20:132
319769976,1cyclictest28-21ksoftirqd/209:28:482
319769976,1cyclictest28-21ksoftirqd/207:25:132
319769976,1cyclictest28-21ksoftirqd/207:20:112
319769976,1cyclictest14666-21kworker/2:208:45:142
319769974,2cyclictest61650irq/122-eno107:15:012
319699971,3cyclictest0-21swapper/109:00:131
319699971,3cyclictest0-21swapper/109:00:131
319699970,3cyclictest0-21swapper/111:06:231
319699970,2cyclictest0-21swapper/111:40:171
319699970,1cyclictest0-21swapper/109:30:501
319609977,0cyclictest16364-21ntp_states08:50:190
319609976,1cyclictest17257-21ssh11:09:340
319609975,1cyclictest28431-21sshd09:55:290
319609975,1cyclictest1029-21snmpd09:31:060
319609975,1cyclictest1029-21snmpd08:59:310
319609972,1cyclictest4191-21/usr/sbin/munin11:35:170
319609971,6cyclictest4284-21ssh10:50:190
319609971,6cyclictest0-21swapper/008:00:390
319609971,5cyclictest24684-21ssh12:00:200
319609970,7cyclictest27300-21ssh10:39:460
319609970,6cyclictest7907-21/usr/sbin/munin11:40:140
319609970,6cyclictest5493-21/usr/sbin/munin12:20:130
319609970,6cyclictest32615-21ssh09:20:050
319609970,6cyclictest29455-21cstates11:25:150
319609970,6cyclictest24651-21diskmemload09:51:180
319609970,6cyclictest20237-21ssh10:30:020
319609970,6cyclictest12466-21latency_hist10:20:000
319609970,6cyclictest0-21swapper/010:40:050
319609970,4cyclictest610-21ssh10:03:060
319609970,1cyclictest447-21ssh12:12:060
319609970,1cyclictest2515-21ssh11:31:330
319609970,1cyclictest15582-21ssh12:33:030
319609970,1cyclictest11001-21df_inode08:40:130
319609970,1cyclictest0-21swapper/010:55:240
8662260,1sleep10-21swapper/110:56:111
319849966,0cyclictest1747-21ntpd08:45:583
319849965,1cyclictest4183-21ssh11:35:083
319849965,1cyclictest20475-21ntpq07:50:183
319849965,1cyclictest20256-21ssh10:30:053
319849965,1cyclictest1587-21ssh10:47:433
319849964,1cyclictest23365-21vmstat11:15:213
319849964,1cyclictest11063-21ssh12:25:373
319849964,1cyclictest1029-21snmpd09:29:143
319849964,1cyclictest1029-21snmpd08:24:043
319849964,1cyclictest1029-21snmpd07:46:343
319849964,1cyclictest1029-21snmpd07:31:163
319849964,1cyclictest1029-21snmpd07:25:353
319849963,2cyclictest693-21runrttasks10:27:023
319849963,1cyclictest240-21systemd-journal08:05:003
319849962,1cyclictest29969-21irqstats11:25:183
319849962,0cyclictest24651-21diskmemload12:05:263
319849962,0cyclictest24651-21diskmemload10:36:123
319849961,3cyclictest24651-21diskmemload11:40:213
319849961,3cyclictest1480-21/usr/sbin/munin07:10:213
319849961,1cyclictest24651-21diskmemload11:53:543
319849960,6cyclictest799-21ssh12:13:013
319849960,4cyclictest0-21swapper/312:35:163
319849960,3cyclictest0-21swapper/311:20:193
319849960,3cyclictest0-21swapper/309:15:133
319849960,2cyclictest5497-21apt-get12:20:103
319849960,2cyclictest0-21swapper/310:00:123
319849960,1cyclictest10325-21apt-get11:00:123
319769966,0cyclictest61650irq/122-eno108:40:192
319769966,0cyclictest61650irq/122-eno108:05:162
319769966,0cyclictest61650irq/122-eno108:04:322
319769966,0cyclictest61650irq/122-eno107:55:202
319769966,0cyclictest28-21ksoftirqd/208:35:192
319769965,1cyclictest28-21ksoftirqd/207:35:162
319769965,1cyclictest14666-21kworker/2:208:30:142
319769965,0cyclictest11274-21sensors07:30:202
319699966,0cyclictest0-21swapper/109:14:481
319699965,1cyclictest0-21swapper/112:11:461
319699961,3cyclictest0-21swapper/112:20:471
319699961,1cyclictest0-21swapper/108:25:121
319699960,6cyclictest0-21swapper/112:36:061
319699960,6cyclictest0-21swapper/112:15:171
319699960,6cyclictest0-21swapper/111:24:481
319699960,6cyclictest0-21swapper/110:46:141
319699960,6cyclictest0-21swapper/110:30:171
319699960,6cyclictest0-21swapper/109:59:341
319699960,6cyclictest0-21swapper/109:09:351
319699960,6cyclictest0-21swapper/108:41:521
319699960,6cyclictest0-21swapper/108:21:361
319699960,6cyclictest0-21swapper/107:20:051
319699960,5cyclictest0-21swapper/111:25:171
319699960,5cyclictest0-21swapper/110:36:071
319699960,5cyclictest0-21swapper/110:00:161
319699960,5cyclictest0-21swapper/108:02:091
319699960,5cyclictest0-21swapper/107:51:321
319699960,5cyclictest0-21swapper/107:45:551
319699960,4cyclictest0-21swapper/107:15:001
319699960,3cyclictest0-21swapper/110:18:001
319699960,3cyclictest0-21swapper/107:35:121
319699960,2cyclictest0-21swapper/112:30:141
319699960,2cyclictest0-21swapper/111:34:451
319699960,2cyclictest0-21swapper/109:45:121
319699960,2cyclictest0-21swapper/109:38:071
319699960,2cyclictest0-21swapper/109:19:411
319699960,1cyclictest0-21swapper/111:00:481
319699960,1cyclictest0-21swapper/107:58:511
319699960,1cyclictest0-21swapper/107:27:591
319699960,1cyclictest0-21swapper/107:12:341
319699960,0cyclictest0-21swapper/110:43:451
319699960,0cyclictest0-21swapper/109:52:341
319699960,0cyclictest0-21swapper/109:44:341
319609965,1cyclictest30894-21ssh09:16:070
319609965,1cyclictest23422-21cat09:05:150
319609965,1cyclictest2049-1kworker/u9:209:25:090
319609965,1cyclictest16953-21/usr/sbin/munin07:45:220
319609965,1cyclictest1029-21snmpd08:07:390
319609964,1cyclictest4935-21sort08:25:200
319609962,3cyclictest1945-21/usr/sbin/munin12:15:110
319609960,6cyclictest0-21swapper/010:46:550
319609960,6cyclictest0-21swapper/008:14:450
319609960,5cyclictest0-21swapper/008:45:010
319609960,5cyclictest0-21swapper/007:35:120
319609960,4cyclictest0-21swapper/009:10:110
319609960,1cyclictest0-21swapper/007:10:140
319609960,0cyclictest0-21swapper/011:20:100
319609960,0cyclictest0-21swapper/010:10:150
319609960,0cyclictest0-21swapper/009:45:180
319609960,0cyclictest0-21swapper/009:40:200
319609960,0cyclictest0-21swapper/009:03:160
319609960,0cyclictest0-21swapper/009:03:160
319609960,0cyclictest0-21swapper/007:27:410
319849954,1cyclictest1029-21snmpd07:22:413
319849953,1cyclictest1029-21snmpd08:10:533
319849952,1cyclictest22167-21/usr/sbin/munin07:55:143
319849951,2cyclictest31095-21apt-get08:15:113
319849951,1cyclictest9362-21tr08:35:193
319769955,0cyclictest61650irq/122-eno108:20:082
319699955,0cyclictest0-21swapper/112:25:241
319699955,0cyclictest0-21swapper/111:14:541
319699951,2cyclictest0-21swapper/108:10:121
319699950,5cyclictest0-21swapper/112:07:331
319699950,5cyclictest0-21swapper/107:31:331
319699950,4cyclictest0-21swapper/108:52:161
319699950,2cyclictest0-21swapper/111:55:191
319699950,2cyclictest0-21swapper/110:25:211
319699950,2cyclictest0-21swapper/110:23:311
319699950,2cyclictest0-21swapper/110:12:391
319699950,2cyclictest0-21swapper/109:22:071
319699950,1cyclictest0-21swapper/111:45:241
319699950,1cyclictest0-21swapper/108:15:191
319699950,0cyclictest0-21swapper/111:15:491
319699950,0cyclictest0-21swapper/110:53:071
319609953,1cyclictest1327-21cut08:20:140
319609950,4cyclictest9873-21/usr/sbin/munin07:30:170
319609950,4cyclictest0-21swapper/008:30:170
319609950,4cyclictest0-21swapper/007:15:010
319609950,1cyclictest0-21swapper/008:35:130
319849940,3cyclictest0-21swapper/308:25:123
319699944,0cyclictest0-21swapper/108:45:321
319699941,2cyclictest0-21swapper/111:35:101
319699940,4cyclictest0-21swapper/108:30:571
319699940,3cyclictest19693-21taskset08:57:151
319699940,3cyclictest0-21swapper/108:07:171
319699940,2cyclictest0-21swapper/111:50:101
319699930,1cyclictest0-21swapper/107:40:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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