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2026-09-08 - 05:50
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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 Tue Sep 08, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
310022214150,21sleep00-21swapper/019:08:000
311002208151,43sleep10-21swapper/119:09:181
309052207152,43sleep20-21swapper/219:06:452
309362203147,43sleep30-21swapper/319:07:113
237052670,0sleep10-21swapper/123:25:211
305462190,0sleep10-21swapper/122:04:511
31274991716,1cyclictest28-21ksoftirqd/219:15:002
31274991413,1cyclictest28-21ksoftirqd/222:50:232
31274991311,1cyclictest28-21ksoftirqd/220:05:002
3128499129,1cyclictest35-21ksoftirqd/322:00:013
31274991212,0cyclictest28-21ksoftirqd/200:05:222
31274991211,1cyclictest28-21ksoftirqd/221:40:002
31274991211,1cyclictest28-21ksoftirqd/219:55:182
31274991211,1cyclictest28-21ksoftirqd/219:30:162
31274991210,1cyclictest28-21ksoftirqd/223:25:002
31274991210,1cyclictest28-21ksoftirqd/200:30:002
31253991211,1cyclictest9-21ksoftirqd/023:05:000
3128499119,1cyclictest35-21ksoftirqd/322:45:003
31284991110,1cyclictest35-21ksoftirqd/300:05:013
3127499119,1cyclictest28-21ksoftirqd/223:30:142
3127499119,1cyclictest28-21ksoftirqd/222:40:212
3127499119,1cyclictest28-21ksoftirqd/222:35:202
3127499119,1cyclictest28-21ksoftirqd/221:15:002
3127499118,2cyclictest28-21ksoftirqd/223:51:222
31274991111,0cyclictest61650irq/122-eno122:14:292
31274991110,1cyclictest28-21ksoftirqd/223:25:122
31274991110,1cyclictest28-21ksoftirqd/223:15:132
31274991110,1cyclictest28-21ksoftirqd/221:26:032
31274991110,1cyclictest28-21ksoftirqd/220:05:202
31274991110,1cyclictest28-21ksoftirqd/219:15:212
31274991110,1cyclictest28-21ksoftirqd/200:30:142
3127499110,10cyclictest28-21ksoftirqd/221:57:282
3128499109,1cyclictest35-21ksoftirqd/321:20:013
3128499109,1cyclictest35-21ksoftirqd/320:20:003
3127499109,1cyclictest28-21ksoftirqd/222:30:092
3127499109,1cyclictest28-21ksoftirqd/222:15:122
3127499109,1cyclictest28-21ksoftirqd/221:50:122
3127499109,1cyclictest28-21ksoftirqd/221:45:122
3127499109,1cyclictest28-21ksoftirqd/221:15:122
3127499109,1cyclictest28-21ksoftirqd/200:00:112
3127499109,1cyclictest28-21ksoftirqd/200:00:112
3127499108,1cyclictest28-21ksoftirqd/223:45:182
3127499108,1cyclictest28-21ksoftirqd/223:41:182
3127499108,1cyclictest28-21ksoftirqd/222:10:002
3127499108,1cyclictest28-21ksoftirqd/221:40:152
3127499108,1cyclictest28-21ksoftirqd/221:30:182
3127499108,1cyclictest28-21ksoftirqd/221:10:002
3127499108,1cyclictest28-21ksoftirqd/220:30:002
3127499108,1cyclictest28-21ksoftirqd/219:55:002
3127499108,1cyclictest28-21ksoftirqd/219:40:002
3127499107,1cyclictest28-21ksoftirqd/200:15:002
31274991010,0cyclictest28-21ksoftirqd/200:20:182
3126599100,9cyclictest0-21swapper/123:35:261
3125399109,1cyclictest9-21ksoftirqd/023:40:120
3125399109,1cyclictest9-21ksoftirqd/021:45:200
3125399108,1cyclictest9-21ksoftirqd/023:15:000
31253991010,0cyclictest9-21ksoftirqd/000:20:140
3125399101,8cyclictest9-21ksoftirqd/019:45:150
263552100,1sleep026359-21ssh22:45:120
312849998,1cyclictest35-21ksoftirqd/321:30:003
312749999,0cyclictest28-21ksoftirqd/223:59:552
312749999,0cyclictest28-21ksoftirqd/223:36:222
312749999,0cyclictest28-21ksoftirqd/222:55:222
312749999,0cyclictest28-21ksoftirqd/222:29:132
312749999,0cyclictest28-21ksoftirqd/222:00:122
312749999,0cyclictest28-21ksoftirqd/221:20:192
312749998,1cyclictest28-21ksoftirqd/223:10:192
312749998,1cyclictest28-21ksoftirqd/222:20:112
312749998,1cyclictest28-21ksoftirqd/220:55:002
312749997,1cyclictest28-21ksoftirqd/223:05:142
312749997,1cyclictest28-21ksoftirqd/223:00:202
312749997,1cyclictest28-21ksoftirqd/222:45:182
312749997,1cyclictest28-21ksoftirqd/200:40:002
312749997,1cyclictest28-21ksoftirqd/200:15:142
312539998,1cyclictest9-21ksoftirqd/023:20:130
312539998,1cyclictest9-21ksoftirqd/021:30:180
312539998,1cyclictest9-21ksoftirqd/021:15:210
312539998,1cyclictest9-21ksoftirqd/021:00:000
312539998,1cyclictest9-21ksoftirqd/020:15:150
312539997,1cyclictest9-21ksoftirqd/023:40:000
312539990,4cyclictest15679-21perf22:30:000
312849988,0cyclictest35-21ksoftirqd/320:45:003
312849988,0cyclictest35-21ksoftirqd/300:10:133
312849987,1cyclictest35-21ksoftirqd/323:05:003
312849987,1cyclictest35-21ksoftirqd/319:10:123
312849986,1cyclictest11301-21snmpd21:05:163
312849986,1cyclictest11301-21snmpd19:21:123
312849985,1cyclictest30772-21cat22:50:203
312849984,3cyclictest2064-21/usr/sbin/munin19:15:143
312849984,2cyclictest240-21systemd-journal21:05:003
312849982,4cyclictest12338-21apt-get20:45:113
312849981,4cyclictest2781-21/usr/sbin/munin21:25:173
312849981,4cyclictest23899-21diskmemload23:05:173
312849981,1cyclictest8935-21apt-get22:20:113
312849980,3cyclictest14100-21aten2.4-expect00:00:123
312749988,0cyclictest28-21ksoftirqd/220:40:122
312749987,1cyclictest28-21ksoftirqd/219:40:162
312749986,1cyclictest31278-21cat20:15:162
312749986,1cyclictest28-21ksoftirqd/221:05:002
312749986,1cyclictest28-21ksoftirqd/220:55:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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