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2026-01-03 - 04:09
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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 Sat Jan 03, 2026 00:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319722224151,25sleep30-21swapper/319:06:013
321402214150,21sleep00-21swapper/019:08:130
322292198158,26sleep20-21swapper/219:09:222
320022198159,26sleep10-21swapper/119:06:241
205932710,0sleep10-21swapper/123:15:141
32371992120,1cyclictest28-21ksoftirqd/222:40:142
204212180,0sleep30-21swapper/319:50:153
271712160,0sleep10-21swapper/121:10:201
32371991414,0cyclictest28-21ksoftirqd/221:50:132
32371991413,1cyclictest28-21ksoftirqd/223:55:142
32371991413,1cyclictest28-21ksoftirqd/222:45:132
32371991412,1cyclictest28-21ksoftirqd/223:20:202
32371991412,1cyclictest28-21ksoftirqd/200:30:242
3237199140,13cyclictest0-21swapper/223:15:182
32352991411,1cyclictest9-21ksoftirqd/020:50:000
32371991312,1cyclictest28-21ksoftirqd/223:45:002
32371991311,1cyclictest28-21ksoftirqd/219:45:002
32371991311,1cyclictest28-21ksoftirqd/200:00:142
32371991212,0cyclictest28-21ksoftirqd/223:05:142
32371991211,1cyclictest28-21ksoftirqd/220:45:192
32371991211,1cyclictest28-21ksoftirqd/220:30:132
32371991211,1cyclictest28-21ksoftirqd/219:50:152
32371991211,1cyclictest28-21ksoftirqd/219:25:102
32371991210,1cyclictest28-21ksoftirqd/223:50:002
32371991210,1cyclictest28-21ksoftirqd/221:45:012
32371991210,1cyclictest28-21ksoftirqd/219:50:002
3237199119,1cyclictest28-21ksoftirqd/222:00:002
3237199119,1cyclictest28-21ksoftirqd/222:00:002
3237199119,1cyclictest28-21ksoftirqd/200:14:592
3237199119,1cyclictest28-21ksoftirqd/200:05:012
3237199112,1cyclictest28-21ksoftirqd/219:35:192
32371991111,0cyclictest28-21ksoftirqd/222:10:082
32371991110,1cyclictest28-21ksoftirqd/223:10:112
32371991110,1cyclictest28-21ksoftirqd/222:25:182
32371991110,1cyclictest28-21ksoftirqd/220:00:212
32371991110,1cyclictest28-21ksoftirqd/219:15:132
3237899108,1cyclictest35-21ksoftirqd/319:25:003
3237199109,1cyclictest28-21ksoftirqd/222:35:002
3237199108,1cyclictest28-21ksoftirqd/222:55:162
3237199108,1cyclictest28-21ksoftirqd/222:10:002
3237199108,1cyclictest28-21ksoftirqd/222:05:002
3237199108,1cyclictest28-21ksoftirqd/221:40:012
3237199108,1cyclictest28-21ksoftirqd/221:35:012
3237199108,1cyclictest28-21ksoftirqd/221:19:592
3237199108,1cyclictest28-21ksoftirqd/221:10:002
3237199108,1cyclictest28-21ksoftirqd/220:55:002
3237199108,1cyclictest28-21ksoftirqd/220:25:152
3237199108,1cyclictest28-21ksoftirqd/220:10:142
3237199108,1cyclictest28-21ksoftirqd/200:40:002
3237199108,1cyclictest28-21ksoftirqd/200:25:002
3237199108,1cyclictest28-21ksoftirqd/200:19:592
3235299109,1cyclictest9-21ksoftirqd/023:25:000
3235299108,1cyclictest9-21ksoftirqd/020:45:000
323719999,0cyclictest28-21ksoftirqd/220:55:112
323719998,1cyclictest28-21ksoftirqd/221:50:012
323719998,1cyclictest28-21ksoftirqd/220:40:002
323719998,1cyclictest28-21ksoftirqd/220:25:012
323719998,1cyclictest28-21ksoftirqd/219:15:002
323719998,1cyclictest28-21ksoftirqd/200:30:002
323719997,1cyclictest28-21ksoftirqd/223:00:012
323719997,1cyclictest28-21ksoftirqd/220:20:002
323719997,1cyclictest28-21ksoftirqd/219:35:002
323529998,1cyclictest9-21ksoftirqd/019:35:000
323529992,4cyclictest8521-21perf20:35:000
27991297,0sleep09-21ksoftirqd/021:15:120
323789987,1cyclictest21772-21apt-get22:10:093
323789986,1cyclictest707-21snmpd23:56:063
323789986,1cyclictest707-21snmpd22:39:163
323789986,1cyclictest707-21snmpd21:47:093
323789986,1cyclictest707-21snmpd21:07:543
323789983,3cyclictest17225-21grep23:05:203
323789980,5cyclictest24633-21/usr/sbin/munin20:00:153
323719987,1cyclictest28-21ksoftirqd/223:30:002
323719987,1cyclictest28-21ksoftirqd/222:50:132
323719987,1cyclictest28-21ksoftirqd/221:10:112
323719987,1cyclictest28-21ksoftirqd/220:40:122
323719987,1cyclictest28-21ksoftirqd/219:24:592
323719986,1cyclictest707-21snmpd20:05:112
323719986,1cyclictest28-21ksoftirqd/223:40:002
323719986,1cyclictest28-21ksoftirqd/223:30:112
323719986,1cyclictest28-21ksoftirqd/221:30:002
323719986,1cyclictest28-21ksoftirqd/221:20:162
323719986,1cyclictest28-21ksoftirqd/221:05:002
323719982,5cyclictest28-21ksoftirqd/222:15:112
323649988,0cyclictest21-21ksoftirqd/119:54:541
323529987,1cyclictest9-21ksoftirqd/020:51:280
323529986,1cyclictest707-21snmpd22:44:440
323529986,1cyclictest707-21snmpd22:32:490
323529986,1cyclictest707-21snmpd20:36:100
323529986,1cyclictest707-21snmpd20:21:530
323529986,1cyclictest707-21snmpd19:29:300
323529983,4cyclictest0-21swapper/022:20:140
323529982,5cyclictest5384-21perf19:19:590
323529981,6cyclictest2303-21munin-node23:18:050
323529981,1cyclictest12704-21latency_hist23:00:010
323529980,7cyclictest5922-21aten_r1power_en22:45:120
323529980,7cyclictest14709-21cat23:00:200
323529980,4cyclictest9513-21apt-get21:45:010
323529980,4cyclictest23947-21perf22:14:590
323529980,1cyclictest30479-21ntpq20:10:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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