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2026-06-19 - 21:39
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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 Fri Jun 19, 2026 12:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
144192218160,45sleep00-21swapper/007:09:420
141412215151,51sleep20-21swapper/207:06:062
142642200161,26sleep10-21swapper/107:07:421
141322198159,26sleep30-21swapper/307:05:593
260522690,0sleep10-21swapper/112:30:141
289192610,0sleep30-21swapper/312:35:133
223042150,1sleep121-21ksoftirqd/112:25:121
1455099130,8cyclictest0-21swapper/311:59:443
1455099130,8cyclictest0-21swapper/311:59:443
1453999130,1cyclictest7382-21diskmemload12:30:102
203372120,0sleep10-21swapper/112:22:171
1455099127,4cyclictest1029-21snmpd11:16:223
1455099127,4cyclictest1029-21snmpd11:16:223
14550991211,1cyclictest35-21ksoftirqd/310:35:013
14539991210,1cyclictest28-21ksoftirqd/209:10:002
1453999120,11cyclictest27833-21/usr/sbin/munin11:05:122
1452399120,4cyclictest14733-21apt-get07:10:120
1455099119,1cyclictest35-21ksoftirqd/310:25:123
14550991110,1cyclictest35-21ksoftirqd/311:50:003
14550991110,1cyclictest35-21ksoftirqd/311:05:003
14550991110,1cyclictest35-21ksoftirqd/310:45:003
14531991111,0cyclictest0-21swapper/109:40:121
1455099109,1cyclictest35-21ksoftirqd/309:15:003
1455099109,0cyclictest0-21swapper/312:30:113
1455099100,6cyclictest24576-21perf11:44:593
1453999109,1cyclictest28-21ksoftirqd/210:05:002
1453999109,1cyclictest28-21ksoftirqd/209:55:002
1453999109,1cyclictest28-21ksoftirqd/209:45:342
1453999106,2cyclictest28-21ksoftirqd/209:33:012
145509999,0cyclictest35-21ksoftirqd/311:10:173
145509998,1cyclictest35-21ksoftirqd/311:50:133
145509998,1cyclictest35-21ksoftirqd/309:25:003
145399990,9cyclictest0-21swapper/211:11:012
145399990,5cyclictest61650irq/122-eno110:42:082
145239993,5cyclictest1887-21perf07:50:000
145239990,1cyclictest25207-21apt-get12:30:100
4448280,0sleep10-21swapper/109:48:461
145509987,1cyclictest35-21ksoftirqd/310:05:133
145509987,1cyclictest35-21ksoftirqd/309:35:013
145509987,1cyclictest35-21ksoftirqd/309:00:163
145509987,0cyclictest35-21ksoftirqd/308:15:123
145509986,1cyclictest35-21ksoftirqd/308:49:593
145509986,1cyclictest35-21ksoftirqd/307:50:003
145509986,1cyclictest27564-21cat09:35:153
145509986,1cyclictest1029-21snmpd12:29:183
145509986,1cyclictest1029-21snmpd10:56:113
145509986,1cyclictest1029-21snmpd09:51:363
145509986,1cyclictest1029-21snmpd09:28:493
145509986,1cyclictest1029-21snmpd09:08:093
145509986,1cyclictest1029-21snmpd08:35:243
145509981,4cyclictest20154-21apt-get07:20:123
145399987,1cyclictest28-21ksoftirqd/210:21:022
145399987,1cyclictest28-21ksoftirqd/210:21:022
145399987,1cyclictest28-21ksoftirqd/208:40:012
145399987,1cyclictest28-21ksoftirqd/208:00:122
145399987,1cyclictest28-21ksoftirqd/207:30:002
145399986,1cyclictest61650irq/122-eno112:20:132
145399986,1cyclictest61650irq/122-eno112:10:152
145399986,1cyclictest61650irq/122-eno110:25:112
145399986,1cyclictest29629-21ntpq11:50:172
145399986,1cyclictest28-21ksoftirqd/209:05:002
145399986,1cyclictest28-21ksoftirqd/207:20:152
145399986,1cyclictest1029-21snmpd12:27:122
145399986,1cyclictest1029-21snmpd11:21:282
145239988,0cyclictest0-21swapper/011:26:010
145239987,1cyclictest9-21ksoftirqd/011:05:000
145239987,1cyclictest30347-21cron08:50:000
145239986,1cyclictest17616-21netstat10:50:160
145239986,1cyclictest1029-21snmpd08:08:320
145239986,1cyclictest1029-21snmpd07:22:220
145239983,1cyclictest1520-21/usr/sbin/munin09:45:170
145239982,5cyclictest9314-21df09:55:130
145239980,7cyclictest30425-21ssh11:50:500
145239980,7cyclictest22355-21hddtemp_smartct12:25:140
145239980,5cyclictest20337-21/usr/sbin/munin10:55:180
145239980,4cyclictest7382-21diskmemload11:15:040
145239980,4cyclictest7382-21diskmemload11:15:040
145239980,1cyclictest10462-21ssh09:14:040
18797270,0sleep1201rcuc/111:35:191
15571270,0sleep10-21swapper/110:48:101
145509977,0cyclictest35-21ksoftirqd/312:05:163
145509977,0cyclictest35-21ksoftirqd/309:45:213
145509976,1cyclictest35-21ksoftirqd/311:30:193
145509976,1cyclictest35-21ksoftirqd/310:35:123
145509976,1cyclictest35-21ksoftirqd/310:10:133
145509976,0cyclictest35-21ksoftirqd/312:15:133
145509975,1cyclictest35-21ksoftirqd/312:10:133
145509975,1cyclictest35-21ksoftirqd/308:55:163
145509975,1cyclictest35-21ksoftirqd/307:35:003
145509975,1cyclictest35-21ksoftirqd/307:35:003
145509975,1cyclictest28632-21tail11:05:133
145509975,1cyclictest14577-21ssh10:01:193
145509975,1cyclictest1029-21snmpd11:39:233
145509975,1cyclictest1029-21snmpd11:26:163
145509975,1cyclictest1029-21snmpd10:15:593
145509975,1cyclictest1029-21snmpd08:41:363
145509975,1cyclictest1029-21snmpd08:10:383
145509975,1cyclictest1029-21snmpd08:04:383
145509975,1cyclictest1029-21snmpd07:43:073
145509971,5cyclictest1029-21snmpd12:24:423
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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