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2026-05-28 - 01:26
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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 all highest latencies:
System rack1slot1.osadl.org (updated Thu May 28, 2026 00:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
218662213150,22sleep30-21swapper/319:08:033
217982208151,44sleep20-21swapper/219:07:102
219352205141,21sleep00-21swapper/019:08:570
219212197158,26sleep10-21swapper/119:08:471
117142700,0sleep10-21swapper/123:55:171
34032680,0sleep10-21swapper/100:28:061
170472600,0sleep20-21swapper/220:05:132
22105991210,1cyclictest28-21ksoftirqd/221:35:142
2209999120,0cyclictest0-21swapper/119:30:131
22088991210,1cyclictest9-21ksoftirqd/022:20:000
22088991210,1cyclictest9-21ksoftirqd/021:55:010
2210599119,1cyclictest28-21ksoftirqd/223:35:162
2210599119,1cyclictest28-21ksoftirqd/222:40:002
2210599119,1cyclictest28-21ksoftirqd/221:10:132
22105991110,1cyclictest28-21ksoftirqd/221:40:122
2210599110,11cyclictest0-21swapper/221:30:002
2208899119,1cyclictest9-21ksoftirqd/022:50:000
2208899119,1cyclictest9-21ksoftirqd/021:45:000
22088991110,1cyclictest9-21ksoftirqd/022:45:000
22088991110,1cyclictest9-21ksoftirqd/022:29:590
2210599109,1cyclictest28-21ksoftirqd/223:55:172
2210599109,1cyclictest28-21ksoftirqd/223:40:132
2210599109,1cyclictest28-21ksoftirqd/223:05:102
2210599109,1cyclictest28-21ksoftirqd/223:05:012
2210599109,1cyclictest28-21ksoftirqd/222:40:002
2210599109,1cyclictest28-21ksoftirqd/221:30:112
2210599109,1cyclictest28-21ksoftirqd/220:15:202
2210599108,1cyclictest28-21ksoftirqd/219:40:002
2210599108,1cyclictest28-21ksoftirqd/219:15:142
2210599104,1cyclictest31757-21sh22:55:192
2210599104,1cyclictest31757-21sh22:55:192
22105991010,0cyclictest28-21ksoftirqd/222:05:162
2210599100,9cyclictest4806-21needreboot22:20:172
2208899109,1cyclictest9-21ksoftirqd/020:35:000
2208899109,1cyclictest9-21ksoftirqd/020:00:000
2208899105,4cyclictest9-21ksoftirqd/023:01:100
8953290,0sleep10-21swapper/123:51:221
27780290,0sleep20-21swapper/222:50:202
221139998,1cyclictest35-21ksoftirqd/323:45:013
221059999,0cyclictest28-21ksoftirqd/223:10:142
221059998,1cyclictest28-21ksoftirqd/222:15:192
221059998,1cyclictest28-21ksoftirqd/222:00:132
221059998,1cyclictest28-21ksoftirqd/221:58:582
221059998,1cyclictest28-21ksoftirqd/221:00:142
221059998,1cyclictest28-21ksoftirqd/220:55:132
221059998,1cyclictest28-21ksoftirqd/200:20:172
221059998,1cyclictest28-21ksoftirqd/200:15:152
221059997,1cyclictest61650irq/122-eno119:45:002
221059997,1cyclictest28-21ksoftirqd/220:40:142
221059992,5cyclictest3325-21kworker/u8:123:51:552
221059990,5cyclictest9442-21apt-get19:50:102
221059990,4cyclictest0-21swapper/200:05:122
220999990,8cyclictest0-21swapper/120:29:561
220999990,8cyclictest0-21swapper/120:29:551
220889998,1cyclictest9-21ksoftirqd/020:25:120
220889998,1cyclictest9-21ksoftirqd/020:25:110
220889997,1cyclictest9-21ksoftirqd/020:35:130
220889995,1cyclictest15275-21telnet21:10:110
221139987,1cyclictest35-21ksoftirqd/321:10:003
221139986,1cyclictest35-21ksoftirqd/322:58:533
221139986,1cyclictest35-21ksoftirqd/322:58:523
221139986,1cyclictest35-21ksoftirqd/322:55:003
221139986,1cyclictest1029-21snmpd22:48:133
221139986,1cyclictest1029-21snmpd22:10:553
221139986,1cyclictest1029-21snmpd21:03:273
221139986,1cyclictest1029-21snmpd20:41:083
221139986,1cyclictest1029-21snmpd20:22:243
221139986,1cyclictest1029-21snmpd20:06:063
221139986,1cyclictest1029-21snmpd19:11:463
221139981,4cyclictest0-21swapper/321:50:173
221139980,4cyclictest0-21swapper/321:34:103
221139980,3cyclictest23025-21apt-get21:20:103
221139980,0cyclictest0-21swapper/322:34:193
221059988,0cyclictest28-21ksoftirqd/200:00:182
221059987,1cyclictest28-21ksoftirqd/223:30:192
221059987,1cyclictest28-21ksoftirqd/223:23:412
221059987,1cyclictest28-21ksoftirqd/221:24:382
221059987,1cyclictest28-21ksoftirqd/221:05:132
221059987,1cyclictest28-21ksoftirqd/220:30:132
221059987,1cyclictest28-21ksoftirqd/220:00:142
221059987,1cyclictest28-21ksoftirqd/200:30:152
221059986,1cyclictest61650irq/122-eno123:26:342
221059986,1cyclictest61650irq/122-eno123:15:162
221059986,1cyclictest61650irq/122-eno122:45:112
221059986,1cyclictest61650irq/122-eno120:40:012
221059986,1cyclictest28-21ksoftirqd/221:45:142
221059986,1cyclictest28-21ksoftirqd/219:55:142
221059986,1cyclictest28-21ksoftirqd/200:37:092
221059986,1cyclictest28-21ksoftirqd/200:15:002
221059986,1cyclictest1029-21snmpd22:32:392
221059980,5cyclictest24493-21fschecks_time20:20:132
220999980,5cyclictest0-21swapper/121:35:051
220999980,5cyclictest0-21swapper/121:08:281
220999980,1cyclictest0-21swapper/119:20:111
220999980,0cyclictest0-21swapper/123:10:191
220889988,0cyclictest9-21ksoftirqd/000:25:170
220889987,1cyclictest9-21ksoftirqd/022:25:010
220889987,1cyclictest9-21ksoftirqd/020:50:000
220889987,1cyclictest9-21ksoftirqd/000:25:000
220889987,1cyclictest28809-21telnet22:10:110
220889987,1cyclictest28391-21ssh22:50:540
220889987,1cyclictest22693-21ssh23:26:390
220889987,1cyclictest20230-21ssh21:58:280
220889984,1cyclictest19058-21/usr/sbin/munin21:15:130
220889980,7cyclictest9478-21expr23:10:120
1189287,0sleep335-21ksoftirqd/319:30:203
221139975,1cyclictest1560-21cat00:25:153
221139975,1cyclictest11804-21ssh21:45:343
221139975,1cyclictest1029-21snmpd23:02:493
221139975,1cyclictest1029-21snmpd22:26:073
221139975,1cyclictest1029-21snmpd21:37:083
221139975,1cyclictest1029-21snmpd20:59:133
221139975,1cyclictest1029-21snmpd20:27:373
221139975,1cyclictest1029-21snmpd20:27:363
221139975,1cyclictest1029-21snmpd20:13:513
221139975,1cyclictest1029-21snmpd19:17:323
221139974,2cyclictest17424-21ssh22:37:353
221139973,3cyclictest13964-21munin-run00:00:013
221139972,4cyclictest0-21swapper/322:40:143
221139971,3cyclictest14968-21diskmemload23:26:423
221139970,6cyclictest3111-21apt-get23:45:113
221139970,6cyclictest11476-21ssh23:12:033
221139970,6cyclictest0-21swapper/300:15:343
221139970,5cyclictest0-21swapper/321:28:113
221139970,4cyclictest0-21swapper/323:24:373
221139970,4cyclictest0-21swapper/300:14:433
221139970,3cyclictest0-21swapper/322:20:493
221139970,2cyclictest0-21swapper/321:58:073
221059976,1cyclictest61650irq/122-eno123:46:032
221059976,1cyclictest61650irq/122-eno119:29:122
221059976,1cyclictest61650irq/122-eno119:29:112
221059976,1cyclictest28-21ksoftirqd/222:10:472
221059976,1cyclictest28-21ksoftirqd/220:25:112
221059976,1cyclictest28-21ksoftirqd/220:25:112
221059976,1cyclictest28-21ksoftirqd/219:45:172
221059975,1cyclictest61650irq/122-eno121:15:142
221059975,1cyclictest61650irq/122-eno100:25:122
221059975,1cyclictest28-21ksoftirqd/220:10:132
220999971,2cyclictest0-21swapper/122:10:201
220999971,0cyclictest0-21swapper/121:48:471
220999970,7cyclictest0-21swapper/121:33:131
220999970,7cyclictest0-21swapper/100:07:581
220999970,5cyclictest0-21swapper/119:45:121
220999970,4cyclictest0-21swapper/123:03:581
220999970,4cyclictest0-21swapper/121:42:491
220999970,0cyclictest0-21swapper/122:40:191
220889976,1cyclictest9-21ksoftirqd/019:44:590
220889976,1cyclictest9-21ksoftirqd/019:10:120
220889976,1cyclictest4328-21ssh00:30:040
220889976,1cyclictest28930-21ssh21:25:430
220889976,1cyclictest23966-21ssh00:11:070
220889976,1cyclictest19812-21ssh00:05:290
220889976,1cyclictest14836-21ssh22:35:100
220889976,1cyclictest1029-21snmpd22:30:000
220889976,1cyclictest0-21swapper/022:55:370
220889976,1cyclictest0-21swapper/022:55:370
220889975,1cyclictest9940-21/usr/sbin/munin21:45:130
220889975,1cyclictest9-21ksoftirqd/021:20:120
220889975,1cyclictest9-21ksoftirqd/020:55:150
220889975,1cyclictest6812-21/usr/sbin/munin23:50:150
220889975,1cyclictest5604-21telnet20:50:120
220889975,1cyclictest31609-21/usr/sbin/munin23:40:150
220889971,6cyclictest19872-21ssh23:24:110
220889970,7cyclictest0-21swapper/023:55:130
220889970,6cyclictest8598-21diskstats00:35:140
220889970,6cyclictest3106-21/usr/sbin/munin23:45:190
220889970,6cyclictest30788-21perl19:25:140
220889970,6cyclictest30788-21perl19:25:140
220889970,6cyclictest25006-21ntp_states19:15:000
220889970,6cyclictest23818-21/usr/sbin/munin20:20:170
220889970,6cyclictest21138-21telnet22:00:100
220889970,6cyclictest18975-21telnet20:10:130
220889970,6cyclictest13001-21apt-get23:15:100
220889970,6cyclictest12826-21/usr/sbin/munin21:05:150
220889970,4cyclictest4537-1kworker/u9:121:36:430
220889970,1cyclictest8546-21ssh23:09:170
220889970,1cyclictest28108-21ssh23:35:140
220889970,1cyclictest27702-21ssh00:16:110
220889970,1cyclictest24862-21apt-config22:05:000
220889970,1cyclictest24484-21cstates23:30:130
220889970,1cyclictest21434-21/usr/sbin/munin20:15:160
220889970,1cyclictest2003-21sshd19:33:310
220889970,1cyclictest14246-21ssh00:00:100
220889970,1cyclictest1169-21ssh21:32:180
220889970,1cyclictest0-21swapper/020:04:250
221139965,1cyclictest8702-21ssh23:50:373
221139965,1cyclictest27210-21ssh22:06:373
221139965,1cyclictest22988-21ssh22:00:393
221139965,1cyclictest19788-21ssh00:05:243
221139965,1cyclictest19783-21ssh21:15:143
221139965,1cyclictest17802-21ssh21:12:403
221139964,1cyclictest29819-21ssh23:35:483
221139964,1cyclictest27585-21munin-run23:35:003
221139964,1cyclictest1029-21snmpd20:52:043
221139964,1cyclictest1029-21snmpd19:51:233
221139964,1cyclictest1029-21snmpd19:44:323
221139964,0cyclictest14968-21diskmemload23:16:493
221139963,2cyclictest7755-21ssh23:07:043
221139962,2cyclictest30885-21apt-get20:35:113
221139962,2cyclictest240-21systemd-journal22:19:553
221139962,2cyclictest240-21systemd-journal19:25:003
221139961,3cyclictest14968-21diskmemload21:40:033
221139960,4cyclictest0-21swapper/300:00:113
221139960,2cyclictest0-21swapper/300:30:253
221139960,1cyclictest240-21systemd-journal19:59:553
221059966,0cyclictest61650irq/122-eno121:50:152
221059966,0cyclictest61650irq/122-eno120:52:012
221059966,0cyclictest61650irq/122-eno119:21:472
221059966,0cyclictest28-21ksoftirqd/219:10:162
221059965,1cyclictest23105-21kworker/2:120:45:192
221059964,1cyclictest28-21ksoftirqd/219:30:132
221059962,3cyclictest0-21swapper/222:25:112
220999965,1cyclictest0-21swapper/119:51:061
220999962,1cyclictest0-21swapper/123:45:141
220999961,0cyclictest0-21swapper/123:41:361
220999960,6cyclictest0-21swapper/123:25:471
220999960,6cyclictest0-21swapper/123:16:491
220999960,6cyclictest0-21swapper/122:45:311
220999960,6cyclictest0-21swapper/122:23:541
220999960,6cyclictest0-21swapper/122:05:211
220999960,6cyclictest0-21swapper/122:04:031
220999960,6cyclictest0-21swapper/121:23:121
220999960,6cyclictest0-21swapper/120:57:071
220999960,6cyclictest0-21swapper/120:48:041
220999960,6cyclictest0-21swapper/120:32:271
220999960,6cyclictest0-21swapper/119:13:051
220999960,5cyclictest0-21swapper/123:30:011
220999960,5cyclictest0-21swapper/123:20:131
220999960,5cyclictest0-21swapper/122:30:531
220999960,5cyclictest0-21swapper/121:58:481
220999960,5cyclictest0-21swapper/121:10:191
220999960,5cyclictest0-21swapper/119:55:231
220999960,5cyclictest0-21swapper/100:30:071
220999960,5cyclictest0-21swapper/100:20:511
220999960,5cyclictest0-21swapper/100:19:001
220999960,5cyclictest0-21swapper/100:00:091
220999960,4cyclictest0-21swapper/123:37:401
220999960,3cyclictest0-21swapper/122:35:021
220999960,3cyclictest0-21swapper/100:10:011
220999960,2cyclictest0-21swapper/122:25:301
220999960,2cyclictest0-21swapper/121:50:031
220999960,2cyclictest0-21swapper/121:27:251
220999960,1cyclictest0-21swapper/123:05:101
220889965,1cyclictest9-21ksoftirqd/021:00:000
220889965,1cyclictest27880-21telnet19:20:110
220889965,1cyclictest1029-21snmpd20:05:060
220889961,5cyclictest9574-21kworker/u8:120:40:110
220889960,6cyclictest0-21swapper/019:45:090
220889960,6cyclictest0-21swapper/019:35:120
220889960,5cyclictest9570-21telnet19:50:110
221139954,1cyclictest35-21ksoftirqd/320:15:013
221139954,1cyclictest35-21ksoftirqd/319:35:113
221139954,1cyclictest1029-21snmpd20:01:523
221139953,1cyclictest1029-21snmpd20:47:463
221139951,3cyclictest14968-21diskmemload00:21:493
221139951,1cyclictest8786-21unixbench_singl19:45:213
221139950,1cyclictest31820-21/usr/sbin/munin19:25:203
221139950,1cyclictest31820-21/usr/sbin/munin19:25:203
221139950,1cyclictest0-21swapper/300:36:153
220999955,0cyclictest0-21swapper/121:15:071
220999955,0cyclictest0-21swapper/119:27:301
220999955,0cyclictest0-21swapper/119:27:301
220999950,5cyclictest0-21swapper/122:55:081
220999950,5cyclictest0-21swapper/122:55:071
220999950,5cyclictest0-21swapper/122:15:251
220999950,5cyclictest0-21swapper/120:50:431
220999950,5cyclictest0-21swapper/120:36:301
220999950,5cyclictest0-21swapper/120:15:151
220999950,5cyclictest0-21swapper/120:13:001
220999950,5cyclictest0-21swapper/120:08:151
220999950,5cyclictest0-21swapper/120:01:371
220999950,5cyclictest0-21swapper/119:39:151
220999950,5cyclictest0-21swapper/119:19:551
220999950,5cyclictest0-21swapper/100:35:161
220999950,4cyclictest0-21swapper/120:43:071
220999950,1cyclictest0-21swapper/122:50:281
220999950,0cyclictest0-21swapper/119:40:311
221139940,1cyclictest0-21swapper/320:30:173
220999940,3cyclictest0-21swapper/121:00:131
220999940,0cyclictest0-21swapper/120:20:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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