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2026-04-14 - 23:59
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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 50 highest latencies:
System rack1slot1.osadl.org (updated Tue Apr 14, 2026 12:45:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14632226157,55sleep30-21swapper/307:07:353
16082220153,23sleep20-21swapper/207:09:272
15972203164,25sleep10-21swapper/107:09:181
13412202150,22sleep00-21swapper/007:05:590
1071721060,0sleep00-21swapper/010:10:180
80682500,0sleep20-21swapper/211:31:302
174199140,0cyclictest0-21swapper/109:20:431
1750991313,0cyclictest28-21ksoftirqd/212:33:042
1750991313,0cyclictest28-21ksoftirqd/210:22:042
1750991313,0cyclictest28-21ksoftirqd/210:01:502
1750991312,1cyclictest28-21ksoftirqd/211:10:002
1750991312,1cyclictest28-21ksoftirqd/210:06:482
174199130,12cyclictest0-21swapper/108:40:181
1733991312,1cyclictest9-21ksoftirqd/011:05:150
1733991311,1cyclictest9-21ksoftirqd/007:59:590
1750991211,1cyclictest28-21ksoftirqd/209:40:142
1750991210,1cyclictest28-21ksoftirqd/211:10:162
175099121,4cyclictest0-21swapper/208:15:132
1733991211,1cyclictest9-21ksoftirqd/008:30:000
94482110,0sleep30-21swapper/310:10:013
175099115,3cyclictest32014-21kworker/2:110:42:122
1750991111,0cyclictest28-21ksoftirqd/209:14:092
1750991110,1cyclictest28-21ksoftirqd/212:15:532
1733991110,1cyclictest9-21ksoftirqd/011:20:230
175099109,1cyclictest28-21ksoftirqd/212:37:112
175099109,1cyclictest28-21ksoftirqd/211:55:142
175099109,1cyclictest28-21ksoftirqd/211:20:192
175099109,1cyclictest28-21ksoftirqd/210:10:172
175099109,1cyclictest28-21ksoftirqd/209:30:182
175099109,1cyclictest28-21ksoftirqd/209:20:212
175099109,1cyclictest28-21ksoftirqd/208:44:592
175099108,2cyclictest15172-21sh12:24:492
175099108,1cyclictest28-21ksoftirqd/211:15:132
175099108,1cyclictest28-21ksoftirqd/208:35:202
175099107,2cyclictest15195-21apt-get09:35:132
1750991010,0cyclictest28-21ksoftirqd/210:33:542
175099100,5cyclictest4097-21munin-node11:45:092
173399109,1cyclictest9-21ksoftirqd/009:50:120
173399109,1cyclictest9-21ksoftirqd/009:20:160
173399109,1cyclictest9-21ksoftirqd/008:35:140
173399108,1cyclictest9-21ksoftirqd/007:30:150
17539998,1cyclictest35-21ksoftirqd/311:10:013
17539998,1cyclictest27218-21diskmemload09:38:403
17539998,0cyclictest35-21ksoftirqd/309:45:143
17539992,4cyclictest26071-21kworker/u8:112:39:393
17539990,6cyclictest0-21swapper/311:35:153
17509999,0cyclictest28-21ksoftirqd/210:37:472
17509999,0cyclictest28-21ksoftirqd/209:55:142
17509999,0cyclictest28-21ksoftirqd/209:15:152
17509998,1cyclictest28-21ksoftirqd/210:25:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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