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2026-09-06 - 07:38
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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 100 highest latencies:
System rack1slot1.osadl.org (updated Sun Sep 06, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
160362214157,26sleep20-21swapper/219:08:152
160362214157,26sleep20-21swapper/219:08:142
161212199161,24sleep00-21swapper/019:09:210
161212199161,24sleep00-21swapper/019:09:200
161092198158,26sleep30-21swapper/319:09:123
161092198158,26sleep30-21swapper/319:09:113
158622198158,26sleep10-21swapper/119:06:011
158622198158,26sleep10-21swapper/119:06:011
15662890,0sleep10-21swapper/121:45:001
269522160,0sleep30-21swapper/300:39:523
104112160,0sleep00-21swapper/021:10:180
79292140,0sleep30-21swapper/300:10:203
16242991311,1cyclictest9-21ksoftirqd/020:15:010
16242991311,1cyclictest9-21ksoftirqd/019:40:000
16254991210,1cyclictest28-21ksoftirqd/219:35:002
1624699120,4cyclictest0-21swapper/100:30:151
1625499110,10cyclictest22536-21latency_hist20:29:592
1624299119,1cyclictest9-21ksoftirqd/021:50:170
1624299119,1cyclictest9-21ksoftirqd/020:29:590
1624299113,4cyclictest5919-21latency_hist19:55:010
1624299112,4cyclictest28747-21latency_hist19:34:590
16242991110,1cyclictest9-21ksoftirqd/000:14:590
16242991110,1cyclictest9-21ksoftirqd/000:00:010
1624299110,6cyclictest16279-21apt-get21:20:130
1625499109,1cyclictest28-21ksoftirqd/223:29:592
1625499109,1cyclictest28-21ksoftirqd/219:15:002
1624299109,1cyclictest9-21ksoftirqd/021:15:120
1624299109,1cyclictest9-21ksoftirqd/020:55:010
1624299109,1cyclictest9-21ksoftirqd/000:25:140
1624299109,1cyclictest9-21ksoftirqd/000:20:150
1624299108,1cyclictest9-21ksoftirqd/022:35:150
1624299108,1cyclictest9-21ksoftirqd/022:15:150
1624299108,1cyclictest9-21ksoftirqd/022:05:130
31263290,0sleep38909-21diskmemload23:10:513
162609999,0cyclictest35-21ksoftirqd/323:20:013
162609998,0cyclictest8909-21diskmemload23:37:213
162609991,7cyclictest11301-21snmpd22:10:133
162549998,1cyclictest28-21ksoftirqd/223:34:592
162549998,1cyclictest28-21ksoftirqd/222:05:002
162549998,1cyclictest28-21ksoftirqd/220:10:012
162549997,1cyclictest14692sleep200:01:202
162549995,2cyclictest11301-21snmpd23:38:312
162469990,8cyclictest0-21swapper/100:10:141
162429999,0cyclictest9-21ksoftirqd/023:49:380
162429998,1cyclictest9-21ksoftirqd/023:10:000
162429998,1cyclictest9-21ksoftirqd/000:00:160
162429997,1cyclictest9-21ksoftirqd/020:40:130
162429992,6cyclictest4220-21wc21:00:000
162429991,4cyclictest5021-21ssh21:50:010
162609987,1cyclictest35-21ksoftirqd/321:15:153
162609986,1cyclictest11301-21snmpd19:51:483
162609986,1cyclictest11301-21snmpd19:36:413
162609980,6cyclictest11301-21snmpd00:27:033
162609980,2cyclictest0-21swapper/320:00:103
162549988,0cyclictest28-21ksoftirqd/223:56:202
162549987,1cyclictest28-21ksoftirqd/222:09:592
162549987,1cyclictest28-21ksoftirqd/219:49:592
162549987,1cyclictest28-21ksoftirqd/200:15:002
162549986,1cyclictest61650irq/122-eno121:17:582
162549986,1cyclictest28-21ksoftirqd/222:50:002
162549986,1cyclictest11301-21snmpd23:05:082
162549986,1cyclictest11301-21snmpd22:55:032
162549986,1cyclictest11301-21snmpd19:16:192
162549983,3cyclictest26621-21apt-get22:20:112
162549981,6cyclictest0-21swapper/223:02:542
162429987,1cyclictest9-21ksoftirqd/023:20:130
162429987,1cyclictest9-21ksoftirqd/022:10:150
162429987,1cyclictest9-21ksoftirqd/019:20:000
162429986,1cyclictest9-21ksoftirqd/023:30:000
162429986,1cyclictest9-21ksoftirqd/020:50:010
162429986,1cyclictest11301-21snmpd22:52:230
162429986,1cyclictest11301-21snmpd22:48:540
162429986,1cyclictest11301-21snmpd22:27:070
162429986,1cyclictest11301-21snmpd21:42:330
162429986,1cyclictest11301-21snmpd20:38:440
162429986,1cyclictest11301-21snmpd19:48:020
162429986,1cyclictest11301-21snmpd19:13:320
162429986,1cyclictest101rcuc/022:20:140
162429985,1cyclictest548-21systemd-logind20:24:080
162429985,1cyclictest548-21systemd-logind19:24:080
162429983,4cyclictest372-21ssh23:15:110
162429980,7cyclictest26473-21ssh23:50:210
162429980,7cyclictest26473-21ssh23:50:200
162429980,5cyclictest13076-21hddtemp_smartct22:00:170
162429980,4cyclictest27016-21munin-run00:40:000
15366280,0sleep30-21swapper/322:04:453
162609976,1cyclictest35-21ksoftirqd/322:35:013
162609976,1cyclictest11301-21snmpd22:54:453
162609976,1cyclictest11301-21snmpd20:34:493
162609976,1cyclictest11301-21snmpd19:40:183
162609975,1cyclictest25290-21ssh22:17:183
162609975,1cyclictest11301-21snmpd21:30:113
162609975,1cyclictest11301-21snmpd21:28:453
162609975,1cyclictest11301-21snmpd20:43:233
162609975,1cyclictest11301-21snmpd20:24:263
162609972,2cyclictest19332-21cstates22:55:133
162609970,2cyclictest0-21swapper/323:20:173
162549976,1cyclictest61650irq/122-eno121:50:572
162549976,1cyclictest61650irq/122-eno121:47:132
162549976,1cyclictest61650irq/122-eno121:25:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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