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2026-01-01 - 10:05
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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 Jan 01, 2026 00:45:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
144072227157,26sleep30-21swapper/319:07:593
124492217157,47sleep10-21swapper/119:05:031
142602210172,24sleep00-21swapper/019:06:030
142622203163,26sleep20-21swapper/219:06:052
31372700,0sleep00-21swapper/000:25:210
143412570,0sleep00-21swapper/023:40:000
14654991514,1cyclictest9-21ksoftirqd/019:15:010
229172140,0sleep10-21swapper/121:40:151
1466299140,13cyclictest0-21swapper/123:40:151
1467099130,12cyclictest0-21swapper/223:40:112
1466299130,12cyclictest0-21swapper/100:30:141
14654991311,1cyclictest9-21ksoftirqd/020:20:000
14670991210,1cyclictest554-21dbus-daemon00:40:002
1466299124,0cyclictest0-21swapper/121:07:031
1467899118,1cyclictest35-21ksoftirqd/323:05:003
1467099119,1cyclictest28-21ksoftirqd/223:40:002
1466299110,4cyclictest0-21swapper/123:10:261
1465499119,1cyclictest9-21ksoftirqd/023:30:000
14654991110,1cyclictest9-21ksoftirqd/022:05:000
14654991110,1cyclictest9-21ksoftirqd/021:05:000
1467899109,1cyclictest35-21ksoftirqd/321:15:003
1467099109,1cyclictest28-21ksoftirqd/223:00:002
1467099109,1cyclictest28-21ksoftirqd/200:05:002
1467099108,1cyclictest28-21ksoftirqd/221:20:162
1465499109,1cyclictest9-21ksoftirqd/020:50:000
1465499109,1cyclictest9-21ksoftirqd/020:15:000
1465499108,1cyclictest9-21ksoftirqd/019:45:000
146709998,1cyclictest28-21ksoftirqd/220:55:002
146709997,1cyclictest28-21ksoftirqd/222:00:152
146629995,0cyclictest0-21swapper/119:15:061
146549998,1cyclictest9-21ksoftirqd/023:00:000
146549998,1cyclictest9-21ksoftirqd/022:10:000
146789986,1cyclictest707-21snmpd23:50:023
146789986,1cyclictest707-21snmpd23:18:403
146789986,1cyclictest707-21snmpd23:08:523
146789986,1cyclictest707-21snmpd23:08:523
146789986,1cyclictest707-21snmpd22:12:563
146789986,1cyclictest707-21snmpd21:56:143
146789986,1cyclictest707-21snmpd19:46:163
146789986,1cyclictest707-21snmpd00:14:303
146789981,6cyclictest3885-21apt-get00:30:113
146709987,1cyclictest28-21ksoftirqd/219:10:132
146709986,1cyclictest707-21snmpd23:03:522
146709986,1cyclictest707-21snmpd22:09:382
146709986,1cyclictest707-21snmpd21:36:132
146709986,1cyclictest707-21snmpd19:51:282
146709986,1cyclictest28149-21apt-get20:45:112
146709986,1cyclictest28-21ksoftirqd/223:50:002
146709986,1cyclictest28-21ksoftirqd/222:55:002
146709986,1cyclictest28-21ksoftirqd/221:00:182
146709986,1cyclictest28-21ksoftirqd/220:50:142
146709986,1cyclictest28-21ksoftirqd/219:25:142
146629988,0cyclictest21-21ksoftirqd/123:50:221
146629981,1cyclictest0-21swapper/123:04:261
146549987,1cyclictest9-21ksoftirqd/023:45:000
146549987,1cyclictest9-21ksoftirqd/022:50:000
146549987,1cyclictest9-21ksoftirqd/021:21:160
146549987,1cyclictest9-21ksoftirqd/020:40:000
146549986,1cyclictest9-21ksoftirqd/022:35:000
146549986,1cyclictest9-21ksoftirqd/021:50:090
146549982,5cyclictest2806-21cat21:00:000
146549982,5cyclictest22287-21/usr/sbin/munin21:40:180
146549980,7cyclictest8090-21users22:15:210
146549980,7cyclictest2287-21grep19:50:110
146789976,1cyclictest707-21snmpd20:24:353
146789976,1cyclictest707-21snmpd19:25:333
146789976,1cyclictest35-21ksoftirqd/321:30:143
146789975,1cyclictest707-21snmpd21:26:403
146789975,1cyclictest707-21snmpd20:59:213
146789975,1cyclictest707-21snmpd20:04:163
146789975,1cyclictest707-21snmpd00:28:253
146789975,1cyclictest707-21snmpd00:09:123
146789975,1cyclictest707-21snmpd00:02:003
146789971,4cyclictest25529-21cron20:40:003
146709976,1cyclictest28-21ksoftirqd/223:20:132
146709976,1cyclictest28-21ksoftirqd/223:05:182
146709976,1cyclictest28-21ksoftirqd/223:05:182
146709975,1cyclictest707-21snmpd21:31:132
146709975,1cyclictest707-21snmpd20:40:142
146709975,1cyclictest707-21snmpd20:29:142
146709975,1cyclictest707-21snmpd20:15:072
146709975,1cyclictest28-21ksoftirqd/223:35:002
146709975,1cyclictest28-21ksoftirqd/221:10:202
146709975,1cyclictest28-21ksoftirqd/221:05:122
146709975,1cyclictest28-21ksoftirqd/220:10:162
146709975,1cyclictest28-21ksoftirqd/219:15:122
146709975,1cyclictest26106-21ntpq19:30:172
146709970,6cyclictest0-21swapper/219:55:162
146709970,1cyclictest0-21swapper/221:44:372
146629976,1cyclictest8746-21taskset20:04:031
146629971,6cyclictest0-21swapper/123:29:591
146629970,7cyclictest0-21swapper/119:50:151
146629970,6cyclictest0-21swapper/120:45:161
146629970,6cyclictest0-21swapper/100:35:071
146629970,6cyclictest0-21swapper/100:11:241
146629970,1cyclictest0-21swapper/120:35:441
146629970,0cyclictest0-21swapper/121:45:141
146549976,1cyclictest707-21snmpd22:25:570
146549976,1cyclictest707-21snmpd00:08:330
146549976,1cyclictest487-21cat19:45:150
146549975,1cyclictest9-21ksoftirqd/022:55:000
146549975,1cyclictest9-21ksoftirqd/019:40:000
146549975,1cyclictest9-21ksoftirqd/000:30:130
146549975,1cyclictest707-21snmpd23:57:300
146549975,1cyclictest707-21snmpd20:26:140
146549974,1cyclictest240-21systemd-journal20:05:000
146549972,1cyclictest17561-21/usr/sbin/munin21:30:180
146549970,6cyclictest19335-21grep23:50:140
146549970,6cyclictest0-21swapper/021:49:590
146549970,6cyclictest0-21swapper/021:05:210
146789965,1cyclictest8823-21sshd23:26:433
146789965,1cyclictest707-21snmpd22:40:003
146789965,1cyclictest707-21snmpd20:33:243
146789965,1cyclictest707-21snmpd19:38:033
146789965,1cyclictest35-21ksoftirqd/321:48:343
146789965,1cyclictest16692-21cat22:35:153
146789964,1cyclictest707-21snmpd23:56:273
146789964,1cyclictest707-21snmpd23:20:073
146789964,1cyclictest707-21snmpd23:12:373
146789964,1cyclictest707-21snmpd22:04:563
146789964,1cyclictest707-21snmpd21:50:383
146789964,1cyclictest707-21snmpd20:25:353
146789964,1cyclictest707-21snmpd20:14:073
146789964,1cyclictest707-21snmpd19:58:073
146789964,1cyclictest707-21snmpd19:18:183
146789964,1cyclictest35-21ksoftirqd/323:46:213
146789964,1cyclictest35-21ksoftirqd/322:58:163
146789964,1cyclictest30099-21cat00:15:163
146789963,1cyclictest240-21systemd-journal21:20:003
146789963,1cyclictest13650irq/124-ahci[0022:29:553
146789961,2cyclictest0-21swapper/319:50:183
146789960,3cyclictest0-21swapper/322:05:113
146709966,0cyclictest61650irq/122-eno123:13:432
146709966,0cyclictest61650irq/122-eno122:45:152
146709966,0cyclictest61650irq/122-eno122:30:132
146709966,0cyclictest61650irq/122-eno122:20:072
146709966,0cyclictest61650irq/122-eno122:11:322
146709966,0cyclictest61650irq/122-eno121:48:392
146709966,0cyclictest61650irq/122-eno121:15:152
146709966,0cyclictest61650irq/122-eno120:05:182
146709966,0cyclictest61650irq/122-eno120:00:332
146709966,0cyclictest61650irq/122-eno119:21:472
146709966,0cyclictest61650irq/122-eno100:34:442
146709966,0cyclictest61650irq/122-eno100:27:022
146709966,0cyclictest61650irq/122-eno100:10:082
146709966,0cyclictest28-21ksoftirqd/200:06:212
146709965,1cyclictest28-21ksoftirqd/223:55:122
146709965,1cyclictest28-21ksoftirqd/223:50:152
146709965,1cyclictest28-21ksoftirqd/222:15:142
146709964,1cyclictest707-21snmpd21:28:162
146709964,1cyclictest61650irq/122-eno121:55:162
146709964,1cyclictest61650irq/122-eno119:40:122
146709964,1cyclictest28-21ksoftirqd/222:25:122
146709964,1cyclictest28-21ksoftirqd/221:50:112
146709964,1cyclictest28-21ksoftirqd/220:35:202
146709964,1cyclictest28-21ksoftirqd/219:45:112
146709964,1cyclictest28-21ksoftirqd/219:35:152
146709964,1cyclictest28-21ksoftirqd/200:15:152
146709963,2cyclictest17942-21dump-pmu-power22:40:002
146709960,6cyclictest0-21swapper/223:26:172
146709960,1cyclictest0-21swapper/220:20:012
146709960,1cyclictest0-21swapper/200:20:112
146629965,1cyclictest0-21swapper/122:06:291
146629963,0cyclictest0-21swapper/100:15:201
146629960,6cyclictest0-21swapper/123:35:501
146629960,6cyclictest0-21swapper/123:15:181
146629960,6cyclictest0-21swapper/122:37:541
146629960,6cyclictest0-21swapper/121:21:551
146629960,6cyclictest0-21swapper/119:43:091
146629960,5cyclictest0-21swapper/123:22:191
146629960,3cyclictest0-21swapper/119:50:001
146629960,2cyclictest0-21swapper/120:55:151
146629960,1cyclictest0-21swapper/121:36:581
146629960,1cyclictest0-21swapper/120:26:171
146549965,1cyclictest9276-21cpuspeed_turbos20:05:140
146549965,1cyclictest9-21ksoftirqd/023:05:000
146549965,1cyclictest9-21ksoftirqd/020:20:010
146549965,1cyclictest9-21ksoftirqd/000:15:140
146549965,1cyclictest9-21ksoftirqd/000:00:140
146549965,1cyclictest707-21snmpd22:10:500
146549965,1cyclictest17707-21cat23:45:150
146549964,1cyclictest9-21ksoftirqd/023:05:160
146549964,1cyclictest9-21ksoftirqd/023:05:160
146549961,3cyclictest0-21swapper/023:20:120
146549960,6cyclictest0-21swapper/023:10:300
146549960,6cyclictest0-21swapper/019:10:200
146549960,6cyclictest0-21swapper/000:35:250
146549960,6cyclictest0-21swapper/000:24:470
146549960,5cyclictest32672-21latency_hist20:55:000
146549960,5cyclictest25133-21telnet19:30:120
146549960,5cyclictest21190-21telnet20:30:120
146549960,5cyclictest0-21swapper/022:35:110
146549960,5cyclictest0-21swapper/021:15:200
146549960,1cyclictest0-21swapper/021:25:110
146549960,1cyclictest0-21swapper/000:10:130
146549960,0cyclictest0-21swapper/023:30:230
146549960,0cyclictest0-21swapper/021:13:150
146549960,0cyclictest0-21swapper/019:57:000
146549960,0cyclictest0-21swapper/019:25:190
146549960,0cyclictest0-21swapper/019:22:090
146789954,1cyclictest35-21ksoftirqd/321:06:153
146789954,1cyclictest29547-21sensors20:45:203
146789954,1cyclictest1098-21sshd00:22:433
146789954,0cyclictest0-21swapper/319:20:133
146789953,1cyclictest707-21snmpd22:16:083
146789953,1cyclictest707-21snmpd20:08:193
146789953,1cyclictest3452-21ls21:00:143
146789953,1cyclictest21700-21ntpq22:45:193
146789953,1cyclictest14443-21taskset23:40:033
146789953,1cyclictest12890-21sh23:35:143
146789950,5cyclictest0-21swapper/300:38:043
146789950,4cyclictest707-21snmpd21:23:313
146789950,2cyclictest25795-21apt-get20:40:123
146789950,1cyclictest0-21swapper/319:30:113
146709954,1cyclictest61650irq/122-eno120:30:152
146709953,1cyclictest0-21swapper/223:15:132
146709950,2cyclictest240-21systemd-journal22:45:002
146629954,1cyclictest0-21swapper/120:13:551
146629953,1cyclictest0-21swapper/120:40:131
146629952,3cyclictest0-21swapper/121:50:171
146629951,4cyclictest0-21swapper/122:47:481
146629951,4cyclictest0-21swapper/122:14:141
146629951,4cyclictest0-21swapper/119:59:541
146629951,1cyclictest0-21swapper/122:05:001
146629950,5cyclictest0-21swapper/122:55:001
146629950,5cyclictest0-21swapper/120:34:561
146629950,5cyclictest0-21swapper/119:10:151
146629950,5cyclictest0-21swapper/100:04:551
146629950,4cyclictest0-21swapper/122:20:161
146629950,2cyclictest0-21swapper/123:05:171
146629950,2cyclictest0-21swapper/123:05:171
146629950,2cyclictest0-21swapper/122:25:111
146629950,1cyclictest0-21swapper/121:55:191
146629950,0cyclictest111rcu_preempt00:25:181
146629950,0cyclictest0-21swapper/122:35:001
146629950,0cyclictest0-21swapper/119:25:121
146549950,5cyclictest0-21swapper/023:15:150
146549950,4cyclictest9903-21ntp_states22:20:180
146549950,4cyclictest18178-21/usr/sbin/munin22:40:150
146549950,0cyclictest0-21swapper/021:57:320
146549950,0cyclictest0-21swapper/020:43:340
146789944,0cyclictest0-21swapper/319:42:273
146789943,1cyclictest9531-21apt-get23:30:133
146789943,1cyclictest9308-21cut22:20:143
146789943,1cyclictest22578-21grep21:40:133
146789942,1cyclictest31197-21cut20:50:153
146789942,1cyclictest24604-21unixbench_singl22:50:203
146789942,1cyclictest19922-21aten_r1power_cu21:35:123
146789942,1cyclictest15738-21cat19:10:153
146789942,1cyclictest14675-21interrupts20:15:163
146789941,1cyclictest240-21systemd-journal22:30:003
146629944,0cyclictest0-21swapper/122:16:511
146629941,2cyclictest0-21swapper/121:15:141
146629940,4cyclictest0-21swapper/120:10:001
146629940,3cyclictest0-21swapper/123:45:151
146629940,3cyclictest0-21swapper/119:38:091
146629940,1cyclictest0-21swapper/123:30:001
146629940,1cyclictest0-21swapper/120:15:121
146629940,0cyclictest0-21swapper/123:55:181
146629940,0cyclictest0-21swapper/121:25:161
146629940,0cyclictest0-21swapper/121:03:281
146629940,0cyclictest0-21swapper/100:20:201
146549940,0cyclictest0-21swapper/021:35:110
146629931,1cyclictest0-21swapper/122:55:111
146629931,1cyclictest0-21swapper/121:30:121
146629931,1cyclictest0-21swapper/120:20:121
146629930,2cyclictest0-21swapper/119:20:171
146629930,1cyclictest0-21swapper/120:50:141
146629930,1cyclictest0-21swapper/119:30:111
146629930,1cyclictest0-21swapper/100:05:211
146629930,0cyclictest0-21swapper/122:40:031
146629930,0cyclictest0-21swapper/121:10:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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