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2026-07-20 - 05:39
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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 Mon Jul 20, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24172220156,25sleep10-21swapper/119:05:481
25052216151,22sleep00-21swapper/019:06:560
14772214174,26sleep30-21swapper/319:05:183
207722130,3sleep20-21swapper/219:05:232
2756721110,1sleep2285799cyclictest20:00:002
150332560,0sleep00-21swapper/021:34:530
285199150,0cyclictest0-21swapper/123:54:441
285799140,13cyclictest0-21swapper/222:50:152
285199140,13cyclictest0-21swapper/122:50:201
2648821413,0sleep228-21ksoftirqd/200:35:122
7132120,1sleep1285199cyclictest21:15:171
285199120,12cyclictest0-21swapper/119:35:011
285799110,9cyclictest61650irq/122-eno123:58:192
284299113,4cyclictest12590-21perf22:55:010
286799109,1cyclictest35-21ksoftirqd/300:30:003
285799100,5cyclictest5202-21munin-node21:54:302
28679998,1cyclictest14497-21/usr/sbin/munin00:20:163
28679991,5cyclictest4782-21kworker/u8:021:21:173
28579997,1cyclictest28-21ksoftirqd/222:05:142
28519999,0cyclictest0-21swapper/119:45:061
28519990,3cyclictest0-21swapper/122:30:131
28429998,1cyclictest9-21ksoftirqd/023:32:540
28429998,1cyclictest9-21ksoftirqd/023:10:000
28429991,4cyclictest22962-21perf21:45:000
1714290,0sleep20-21swapper/221:59:012
28679988,0cyclictest35-21ksoftirqd/323:05:113
28679987,1cyclictest35-21ksoftirqd/320:35:113
28679986,1cyclictest35-21ksoftirqd/320:50:113
28679982,3cyclictest0-21swapper/323:50:133
28679980,5cyclictest28300-21diskmemload22:00:083
28679980,3cyclictest0-21swapper/320:25:123
28679980,2cyclictest32681-21aten_r1power_fr23:20:133
28679980,2cyclictest12669-21/usr/sbin/munin23:35:153
28679980,1cyclictest0-21swapper/321:30:123
28579987,1cyclictest28-21ksoftirqd/222:48:572
28579986,1cyclictest61650irq/122-eno123:20:302
28579986,1cyclictest61650irq/122-eno122:25:152
28579986,1cyclictest61650irq/122-eno100:05:262
28579986,1cyclictest28-21ksoftirqd/223:45:182
28579986,1cyclictest28-21ksoftirqd/222:42:372
28579986,1cyclictest28-21ksoftirqd/220:10:002
28579984,2cyclictest240-21systemd-journal20:19:592
28579981,4cyclictest240-21systemd-journal22:15:382
28579980,8cyclictest0-21swapper/200:20:132
28579980,5cyclictest61650irq/122-eno100:25:532
28579980,3cyclictest0-21swapper/222:20:172
28519980,4cyclictest0-21swapper/100:10:161
28429986,1cyclictest5321-21sensors19:15:000
28429984,3cyclictest18378-21/usr/sbin/munin00:25:180
28429983,1cyclictest7333-21munin-run21:24:590
28429981,4cyclictest3410-21latency22:00:160
28679977,0cyclictest28300-21diskmemload00:13:163
28679976,1cyclictest35-21ksoftirqd/321:05:013
28679975,1cyclictest35-21ksoftirqd/323:15:203
28679975,1cyclictest35-21ksoftirqd/319:11:283
28679974,1cyclictest240-21systemd-journal23:45:013
28679974,0cyclictest28300-21diskmemload00:39:533
28679973,1cyclictest16212-21hddtemp_smartct21:35:163
28679973,0cyclictest28300-21diskmemload21:13:303
28679972,1cyclictest28300-21diskmemload00:02:113
28679971,4cyclictest28300-21diskmemload00:17:183
28679971,4cyclictest0-21swapper/321:44:133
28679970,5cyclictest0-21swapper/322:51:003
28679970,5cyclictest0-21swapper/321:57:383
28679970,4cyclictest32257-21/usr/sbin/munin21:15:203
28679970,2cyclictest0-21swapper/322:15:463
28679970,1cyclictest0-21swapper/321:50:313
28579977,0cyclictest31342-21apt-get00:00:132
28579976,1cyclictest61650irq/122-eno123:40:132
28579976,1cyclictest61650irq/122-eno123:06:282
28579976,1cyclictest61650irq/122-eno122:55:112
28579976,1cyclictest61650irq/122-eno121:46:082
28579976,1cyclictest61650irq/122-eno121:00:142
28579976,1cyclictest61650irq/122-eno100:30:132
28579976,1cyclictest28-21ksoftirqd/200:15:172
28579976,0cyclictest61650irq/122-eno121:35:152
28579975,1cyclictest8586-21fschecks_time23:30:142
28579975,1cyclictest61650irq/122-eno120:20:142
28579975,1cyclictest61650irq/122-eno119:20:142
28579975,1cyclictest61650irq/122-eno100:10:162
28579975,1cyclictest19858-21ssh23:03:422
28579973,1cyclictest240-21systemd-journal21:24:532
28579972,4cyclictest2826-21cyclictest21:10:372
28579970,6cyclictest17293-21kworker/2:019:50:142
28579970,3cyclictest13511-21runrttasks22:14:152
28519973,0cyclictest0-21swapper/123:35:401
28519973,0cyclictest0-21swapper/121:32:311
28519970,6cyclictest0-21swapper/123:25:121
28519970,6cyclictest0-21swapper/120:15:161
28519970,5cyclictest0-21swapper/123:04:201
28519970,4cyclictest0-21swapper/123:57:551
28519970,4cyclictest0-21swapper/122:21:421
28519970,0cyclictest0-21swapper/122:10:191
28429975,1cyclictest9-21ksoftirqd/023:15:190
28429975,1cyclictest5837-21ssh22:45:160
28429975,1cyclictest28545-21ssh21:10:070
28429975,1cyclictest28121-21ssh22:31:430
28429974,0cyclictest28300-21diskmemload23:26:170
28429974,0cyclictest28300-21diskmemload22:21:120
28429973,3cyclictest13153-21ls22:55:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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