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2026-06-08 - 02:24
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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 Mon Jun 08, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
240482214152,21sleep30-21swapper/319:09:173
238712200163,24sleep00-21swapper/019:06:560
238092200162,24sleep20-21swapper/219:06:092
219982199160,26sleep10-21swapper/119:05:091
61962700,2sleep2271rcuc/220:45:152
281932690,0sleep10-21swapper/119:15:141
106182650,0sleep20-21swapper/223:10:212
227142610,0sleep00-21swapper/023:26:520
78662150,0sleep30-21swapper/323:50:193
31322140,0sleep20-21swapper/220:40:132
24194991311,1cyclictest28-21ksoftirqd/223:35:102
24194991210,1cyclictest28-21ksoftirqd/220:34:592
2419499120,0cyclictest0-21swapper/222:11:012
24185991210,1cyclictest9-21ksoftirqd/019:50:000
2419499119,1cyclictest28-21ksoftirqd/223:50:162
2419499119,1cyclictest28-21ksoftirqd/223:05:002
2419499119,1cyclictest28-21ksoftirqd/221:10:142
2419499119,1cyclictest28-21ksoftirqd/219:35:002
24194991110,1cyclictest28-21ksoftirqd/223:45:212
24194991110,1cyclictest28-21ksoftirqd/222:25:572
2419499109,1cyclictest28-21ksoftirqd/222:35:132
2419499109,1cyclictest28-21ksoftirqd/221:33:492
2419499108,1cyclictest28-21ksoftirqd/222:00:202
2419499108,1cyclictest28-21ksoftirqd/200:25:152
2418599102,4cyclictest13906-21perf19:55:000
28764290,0sleep20-21swapper/222:08:132
241949998,1cyclictest28-21ksoftirqd/221:55:162
241949998,1cyclictest28-21ksoftirqd/221:53:202
241949998,1cyclictest28-21ksoftirqd/200:10:212
241949998,0cyclictest28-21ksoftirqd/222:50:172
241949998,0cyclictest28-21ksoftirqd/200:05:132
241949997,1cyclictest28-21ksoftirqd/223:05:142
241949997,1cyclictest28-21ksoftirqd/222:45:142
241949997,1cyclictest28-21ksoftirqd/219:30:002
241949997,1cyclictest28-21ksoftirqd/200:15:152
241949990,9cyclictest0-21swapper/221:29:582
241859999,0cyclictest9-21ksoftirqd/022:16:460
241859998,0cyclictest9-21ksoftirqd/022:50:420
241859993,5cyclictest10002-21sed20:55:000
241999986,1cyclictest1029-21snmpd23:29:053
241999980,4cyclictest1-21systemd19:15:003
241949987,1cyclictest28-21ksoftirqd/222:40:172
241949987,1cyclictest28-21ksoftirqd/222:24:592
241949987,1cyclictest28-21ksoftirqd/221:45:162
241949987,1cyclictest28-21ksoftirqd/220:50:132
241949987,1cyclictest28-21ksoftirqd/200:35:112
241949987,1cyclictest28-21ksoftirqd/200:20:182
241949986,1cyclictest61650irq/122-eno123:31:432
241949986,1cyclictest61650irq/122-eno123:20:202
241949986,1cyclictest28-21ksoftirqd/223:25:112
241949986,1cyclictest28-21ksoftirqd/222:55:192
241949986,1cyclictest28-21ksoftirqd/221:35:152
241949986,1cyclictest28-21ksoftirqd/219:55:002
241949986,1cyclictest28-21ksoftirqd/219:35:162
241949986,1cyclictest1029-21snmpd23:55:132
241949986,1cyclictest1029-21snmpd23:17:482
241949981,6cyclictest61650irq/122-eno122:15:372
241899980,6cyclictest0-21swapper/119:35:131
241899980,5cyclictest0-21swapper/100:37:441
241859986,1cyclictest570-21nscd22:35:110
241859986,1cyclictest1029-21snmpd23:56:010
241859986,1cyclictest1029-21snmpd22:14:430
241859986,1cyclictest1029-21snmpd20:46:100
241859986,1cyclictest1029-21snmpd00:29:460
241859982,4cyclictest20881-21apt-get21:15:120
241859980,7cyclictest3626-21ssh23:01:260
241859980,7cyclictest30375-21cron20:29:590
241859980,7cyclictest28822-21ssh22:08:230
241859980,7cyclictest19500-21chrt23:23:120
241859980,5cyclictest7492-21kworker/u8:000:35:410
241859980,5cyclictest23492-21fschecks_count22:45:150
241859980,5cyclictest0-21swapper/021:25:150
14936280,1sleep10-21swapper/122:33:591
241999976,1cyclictest3564-21cat23:45:163
241999976,1cyclictest35-21ksoftirqd/320:20:003
241999976,1cyclictest1029-21snmpd00:09:403
241999975,1cyclictest1029-21snmpd23:35:273
241999975,1cyclictest1029-21snmpd22:45:143
241999975,1cyclictest1029-21snmpd20:02:233
241999975,1cyclictest1029-21snmpd19:51:393
241999975,1cyclictest1029-21snmpd19:29:143
241999974,1cyclictest13650irq/124-ahci[0019:34:553
241999973,1cyclictest240-21systemd-journal21:19:553
241999972,4cyclictest19268-21apt-get22:40:123
241999972,3cyclictest17036-21diskmemload23:12:403
241999972,3cyclictest17036-21diskmemload21:30:173
241999972,1cyclictest17036-21diskmemload00:35:183
241999971,4cyclictest17036-21diskmemload22:30:173
241999970,6cyclictest17036-21diskmemload23:30:273
241999970,6cyclictest17036-21diskmemload22:25:063
241999970,4cyclictest4302-21expr21:35:143
241999970,4cyclictest0-21swapper/321:13:213
241999970,3cyclictest6803-21gunzip20:45:183
241999970,3cyclictest14540-21awk21:50:013
241999970,3cyclictest0-21swapper/300:21:513
241999970,2cyclictest31946-21munin-run19:25:013
241999970,2cyclictest0-21swapper/322:54:483
241949976,1cyclictest61650irq/122-eno121:43:332
241949976,1cyclictest61650irq/122-eno100:02:332
241949976,1cyclictest28-21ksoftirqd/223:40:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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