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2026-07-23 - 06:57
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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 Thu Jul 23, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2159823720,9sleep321600-21latency19:05:173
227512218117,86sleep00-21swapper/019:09:520
225692208142,52sleep20-21swapper/219:07:302
224492204150,42sleep10-21swapper/119:05:561
193682720,0sleep10-21swapper/123:35:181
212462600,0sleep20-21swapper/223:39:282
121852600,0sleep30-21swapper/300:15:093
33572590,0sleep20-21swapper/200:00:022
15002160,1sleep3939-21/usr/sbin/munin22:20:153
22866991514,1cyclictest28-21ksoftirqd/223:55:132
22866991413,1cyclictest28-21ksoftirqd/221:12:402
22866991413,1cyclictest28-21ksoftirqd/221:12:402
22866991211,1cyclictest28-21ksoftirqd/222:09:332
2284999122,5cyclictest28270-21perf19:20:000
22849991211,1cyclictest9-21ksoftirqd/021:30:000
22849991211,1cyclictest9-21ksoftirqd/000:10:000
22876991110,1cyclictest35-21ksoftirqd/319:40:003
2286699119,1cyclictest69201/usr/sbin/munin00:05:162
2286699119,1cyclictest28-21ksoftirqd/223:11:512
22866991111,0cyclictest28-21ksoftirqd/222:10:222
22866991110,1cyclictest28-21ksoftirqd/222:25:192
22866991110,1cyclictest28-21ksoftirqd/221:45:152
22866991110,1cyclictest28-21ksoftirqd/200:20:182
2287699109,0cyclictest15496-21diskmemload22:11:593
2286699109,1cyclictest28-21ksoftirqd/223:43:322
2286699109,1cyclictest28-21ksoftirqd/223:30:162
2286699109,1cyclictest28-21ksoftirqd/223:05:152
2286699109,1cyclictest28-21ksoftirqd/223:02:272
2286699109,1cyclictest28-21ksoftirqd/221:57:342
2286699109,1cyclictest28-21ksoftirqd/221:22:332
2286699109,1cyclictest28-21ksoftirqd/219:45:162
2286699109,1cyclictest28-21ksoftirqd/200:25:192
2286699108,1cyclictest28-21ksoftirqd/222:50:212
2286699108,1cyclictest28-21ksoftirqd/222:49:042
2286699108,1cyclictest24177-21sh22:56:072
2286699107,1cyclictest28-21ksoftirqd/223:52:592
2286699104,5cyclictest61650irq/122-eno100:32:182
22866991010,0cyclictest28-21ksoftirqd/222:40:172
2286699100,10cyclictest0-21swapper/221:16:472
2284999109,1cyclictest9-21ksoftirqd/023:19:590
2284999109,1cyclictest9-21ksoftirqd/020:14:590
2284999102,4cyclictest7606-21apt-get19:45:000
228769998,1cyclictest35-21ksoftirqd/322:40:123
228769998,1cyclictest35-21ksoftirqd/321:35:003
228669998,1cyclictest28-21ksoftirqd/223:21:142
228669998,1cyclictest28-21ksoftirqd/222:30:552
228669998,1cyclictest28-21ksoftirqd/222:20:272
228669998,1cyclictest28-21ksoftirqd/222:15:012
228669998,1cyclictest28-21ksoftirqd/221:30:192
228669998,1cyclictest28-21ksoftirqd/221:25:152
228669998,1cyclictest28-21ksoftirqd/221:05:192
228669998,1cyclictest28-21ksoftirqd/220:30:012
228669998,1cyclictest28-21ksoftirqd/200:36:152
228669997,1cyclictest28-21ksoftirqd/223:25:412
228669997,1cyclictest28-21ksoftirqd/223:15:132
228669997,1cyclictest28-21ksoftirqd/221:55:002
228499997,1cyclictest101rcuc/021:50:000
228499990,5cyclictest15754-21/usr/sbin/munin21:10:130
228499990,5cyclictest15754-21/usr/sbin/munin21:10:130
25634280,0sleep015496-21diskmemload22:09:230
228769987,1cyclictest35-21ksoftirqd/323:45:013
228769987,1cyclictest35-21ksoftirqd/321:50:003
228769987,1cyclictest35-21ksoftirqd/321:15:013
228769987,1cyclictest35-21ksoftirqd/321:15:013
228769986,1cyclictest35-21ksoftirqd/321:55:003
228769984,4cyclictest25264-21/usr/sbin/munin23:45:123
228769980,6cyclictest29821-21/usr/sbin/munin22:15:163
228769980,5cyclictest0-21swapper/323:30:563
228769980,5cyclictest0-21swapper/322:25:113
228669988,0cyclictest28-21ksoftirqd/222:00:182
228669987,1cyclictest28-21ksoftirqd/222:36:212
228669987,1cyclictest28-21ksoftirqd/221:35:592
228669987,1cyclictest28-21ksoftirqd/219:30:182
228669987,1cyclictest28-21ksoftirqd/200:19:282
228669986,1cyclictest61650irq/122-eno119:10:172
228669986,1cyclictest27983-21kworker/2:120:55:202
228499987,1cyclictest9-21ksoftirqd/022:37:460
228499987,1cyclictest319-21ssh21:33:130
228499986,1cyclictest9-21ksoftirqd/020:35:000
228499983,5cyclictest8440-21perf20:55:000
228499981,6cyclictest28495-1kworker/u9:222:20:150
228499980,7cyclictest29002-21ssh22:13:550
228499980,7cyclictest23810-21hddtemp_smartct00:30:140
228499980,7cyclictest15496-21diskmemload23:37:080
228499980,6cyclictest19213-21ssh21:15:120
228769976,1cyclictest35-21ksoftirqd/322:50:003
228769976,1cyclictest35-21ksoftirqd/322:39:593
228769976,1cyclictest35-21ksoftirqd/321:40:003
228769976,1cyclictest32219-21ssh23:09:113
228769976,1cyclictest23880-21cat00:30:143
228769975,1cyclictest35-21ksoftirqd/320:46:243
228769975,1cyclictest35-21ksoftirqd/300:20:003
228769971,3cyclictest22064-21chrt00:27:593
228769970,6cyclictest2563-21ssh23:11:463
228769970,5cyclictest29474-21memory19:20:163
228769970,4cyclictest0-21swapper/321:16:433
228769970,4cyclictest0-21swapper/300:35:043
228769970,3cyclictest12754-21apt-get19:55:133
228769970,1cyclictest240-21systemd-journal20:24:553
228669977,0cyclictest28-21ksoftirqd/220:10:192
228669976,1cyclictest28-21ksoftirqd/223:48:112
228669976,1cyclictest28-21ksoftirqd/220:40:142
228669976,1cyclictest28-21ksoftirqd/219:35:152
228669976,1cyclictest28-21ksoftirqd/200:10:432
228669976,0cyclictest28-21ksoftirqd/221:40:032
228669975,1cyclictest28-21ksoftirqd/220:35:222
228669970,1cyclictest0-21swapper/219:20:112
228569970,4cyclictest0-21swapper/123:40:111
228569970,4cyclictest0-21swapper/119:25:111
228569970,1cyclictest0-21swapper/120:25:161
228499975,1cyclictest22936-21ssh23:40:190
228499975,1cyclictest21521-21ssh22:02:280
228499973,1cyclictest23048-21/usr/sbin/munin19:10:190
228499972,4cyclictest13537-21gunzip00:15:170
228499971,6cyclictest28330-21ssh23:03:030
228499971,3cyclictest30632-21perf19:25:000
228499971,2cyclictest10168-21ls19:50:000
228499970,6cyclictest350-21ssh22:19:140
228499970,6cyclictest28906-21head23:50:120
228499970,6cyclictest26688-21munin-run20:25:010
228499970,6cyclictest11992-21ls21:00:150
228499970,6cyclictest0-21swapper/022:40:110
228499970,6cyclictest0-21swapper/000:10:360
228499970,4cyclictest240-21systemd-journal23:25:000
228499970,1cyclictest32246-21ssh23:55:030
228499970,1cyclictest32240-21ssh23:09:170
228499970,1cyclictest2422-21ssh23:11:190
228499970,1cyclictest20433-21ssh22:50:280
228499970,1cyclictest17052-21ssh22:45:550
228499970,1cyclictest16449-21df00:20:130
228499970,1cyclictest15496-21diskmemload23:33:100
228499970,1cyclictest15496-21diskmemload22:33:320
228499970,1cyclictest11575-21cut23:25:160
228499970,1cyclictest0-21swapper/021:43:090
228499970,1cyclictest0-21swapper/000:39:550
228769965,1cyclictest8221-21ssh22:30:583
228769965,1cyclictest6545-21ssh21:40:203
228769965,1cyclictest5181-21ssh00:00:203
228769965,1cyclictest35-21ksoftirqd/323:50:173
228769965,1cyclictest35-21ksoftirqd/320:43:233
228769965,1cyclictest35-21ksoftirqd/319:15:013
228769965,1cyclictest26048-21ssh21:24:333
228769965,1cyclictest25682-21ssh23:00:063
228769965,1cyclictest24786-21ssh22:06:393
228769965,1cyclictest23343-21ntpq22:55:173
228769965,1cyclictest21609-21ssh22:02:463
228769965,1cyclictest11093-21ssh00:12:223
228769964,1cyclictest9145-21ssh00:06:463
228769964,1cyclictest8933-21cat19:45:173
228769964,1cyclictest4819-21kernelversion23:15:183
228769964,1cyclictest13734-21ssh23:28:353
228769964,1cyclictest1300-21sensors_temp23:55:203
228769963,2cyclictest20382-21uptime22:50:213
228769963,1cyclictest548-21systemd-logind19:25:173
228769963,1cyclictest35-21ksoftirqd/320:00:083
228769963,1cyclictest240-21systemd-journal21:29:263
228769963,1cyclictest240-21systemd-journal19:35:003
228769963,1cyclictest240-21systemd-journal19:10:523
228769960,6cyclictest0-21swapper/323:20:083
228669966,0cyclictest61650irq/122-eno120:20:062
228669966,0cyclictest61650irq/122-eno120:06:242
228669966,0cyclictest61650irq/122-eno120:00:082
228669966,0cyclictest61650irq/122-eno119:25:252
228669966,0cyclictest28-21ksoftirqd/221:00:172
228669966,0cyclictest28-21ksoftirqd/219:15:212
228669965,1cyclictest28-21ksoftirqd/220:45:102
228669965,1cyclictest27983-21kworker/2:120:30:142
228669965,1cyclictest27983-21kworker/2:120:15:302
228669965,1cyclictest27983-21kworker/2:119:58:482
228669964,1cyclictest28-21ksoftirqd/220:50:152
228669964,1cyclictest27983-21kworker/2:119:40:122
228569960,6cyclictest0-21swapper/122:10:171
228569960,6cyclictest0-21swapper/121:26:371
228569960,5cyclictest0-21swapper/122:05:161
228569960,5cyclictest0-21swapper/120:15:141
228569960,4cyclictest0-21swapper/123:50:211
228569960,4cyclictest0-21swapper/120:45:161
228569960,3cyclictest0-21swapper/121:50:001
228569960,2cyclictest0-21swapper/120:20:161
228569960,2cyclictest0-21swapper/100:19:231
228569960,1cyclictest0-21swapper/120:10:121
228569960,0cyclictest0-21swapper/122:53:141
228499965,1cyclictest27394-21ssh23:46:280
228499964,1cyclictest19962-21df00:25:120
228499962,2cyclictest548-21systemd-logind22:55:190
228499962,2cyclictest240-21systemd-journal19:32:520
228499962,2cyclictest1217-21/usr/sbin/munin21:35:120
228499960,6cyclictest0-21swapper/021:50:220
228499960,6cyclictest0-21swapper/020:45:160
228499960,6cyclictest0-21swapper/020:26:080
228499960,6cyclictest0-21swapper/019:28:550
228499960,5cyclictest15496-21diskmemload22:25:110
228499960,5cyclictest0-21swapper/021:20:120
228499960,5cyclictest0-21swapper/020:00:180
228499960,5cyclictest0-21swapper/019:50:100
228499960,5cyclictest0-21swapper/000:00:030
228499960,0cyclictest0-21swapper/021:55:150
228499960,0cyclictest0-21swapper/019:59:460
228499960,0cyclictest0-21swapper/019:35:170
10111260,2sleep310114-21switchtime20:55:203
228769954,1cyclictest35-21ksoftirqd/320:10:003
228769954,1cyclictest20284-21ssh23:36:213
228769953,1cyclictest4195-21grep19:35:183
228769953,1cyclictest19833-21apt-get20:10:113
228769953,1cyclictest17312-21vmstat21:55:223
228769952,1cyclictest35-21ksoftirqd/320:15:243
228769950,5cyclictest0-21swapper/321:08:573
228669954,1cyclictest61650irq/122-eno119:50:192
228569955,0cyclictest0-21swapper/122:38:481
228569955,0cyclictest0-21swapper/122:29:151
228569953,1cyclictest28459-21chrt19:20:031
228569952,1cyclictest0-21swapper/123:58:551
228569951,2cyclictest7484-21taskset21:43:201
228569951,2cyclictest0-21swapper/123:05:131
228569950,5cyclictest0-21swapper/122:55:151
228569950,5cyclictest0-21swapper/122:15:061
228569950,3cyclictest0-21swapper/123:46:191
228569950,3cyclictest0-21swapper/123:26:061
228569950,3cyclictest0-21swapper/123:22:561
228569950,3cyclictest0-21swapper/123:10:051
228569950,3cyclictest0-21swapper/122:22:141
228569950,3cyclictest0-21swapper/121:30:211
228569950,3cyclictest0-21swapper/100:27:071
228569950,2cyclictest0-21swapper/123:00:131
228569950,2cyclictest0-21swapper/121:11:481
228569950,2cyclictest0-21swapper/121:11:481
228569950,2cyclictest0-21swapper/119:35:121
228569950,2cyclictest0-21swapper/100:30:121
228569950,1cyclictest0-21swapper/122:40:141
228569950,1cyclictest0-21swapper/120:55:111
228569950,1cyclictest0-21swapper/100:35:131
228569950,1cyclictest0-21swapper/100:20:011
228569950,0cyclictest0-21swapper/122:48:591
228569950,0cyclictest0-21swapper/121:03:101
228569950,0cyclictest0-21swapper/120:52:531
228569950,0cyclictest0-21swapper/100:00:381
228499954,0cyclictest0-21swapper/020:15:110
228499952,1cyclictest240-21systemd-journal20:55:000
228499950,3cyclictest0-21swapper/020:05:130
228499950,0cyclictest0-21swapper/021:05:180
228499950,0cyclictest0-21swapper/020:35:110
228769942,1cyclictest7134-21ls20:50:193
228769942,1cyclictest31769-21cut20:35:143
228769942,1cyclictest30107-21sed20:30:163
228769942,1cyclictest26927-21apt-get20:25:123
228769941,2cyclictest11020-21apt-get21:00:113
228769941,1cyclictest10398-21apt-get19:50:113
228569944,0cyclictest0-21swapper/123:16:261
228569944,0cyclictest0-21swapper/119:50:461
228569941,3cyclictest0-21swapper/120:00:111
228569941,1cyclictest0-21swapper/121:20:121
228569940,4cyclictest0-21swapper/121:05:261
228569940,4cyclictest0-21swapper/120:31:291
228569940,4cyclictest0-21swapper/120:05:191
228569940,4cyclictest0-21swapper/119:55:161
228569940,3cyclictest0-21swapper/122:00:111
228569940,3cyclictest0-21swapper/121:50:011
228569940,3cyclictest0-21swapper/121:15:591
228569940,2cyclictest0-21swapper/122:33:111
228569940,2cyclictest0-21swapper/121:55:121
228569940,2cyclictest0-21swapper/119:40:131
228569940,2cyclictest0-21swapper/100:05:551
228569940,1cyclictest0-21swapper/121:35:131
228569940,0cyclictest0-21swapper/123:30:211
228569940,0cyclictest0-21swapper/120:38:111
228569940,0cyclictest0-21swapper/119:10:191
228569940,0cyclictest0-21swapper/100:10:071
228499941,2cyclictest1311-21cron20:40:000
228569931,2cyclictest0-21swapper/119:30:111
228569931,1cyclictest0-21swapper/120:40:111
228569931,1cyclictest0-21swapper/119:15:121
228569930,2cyclictest0-21swapper/119:45:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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