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2026-04-04 - 23:03
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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 Apr 04, 2026 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
173152214174,26sleep10-21swapper/107:05:281
174602203149,22sleep20-21swapper/207:07:232
175752199160,25sleep30-21swapper/307:08:523
174882198161,24sleep00-21swapper/007:07:450
273352630,0sleep10-21swapper/107:25:191
134702230,1sleep2271rcuc/209:12:382
17753991918,1cyclictest28-21ksoftirqd/212:30:212
17753991818,0cyclictest28-21ksoftirqd/212:03:562
17753991817,0cyclictest28-21ksoftirqd/209:55:122
17753991717,0cyclictest28-21ksoftirqd/211:15:122
17753991716,1cyclictest28-21ksoftirqd/212:10:002
17753991716,1cyclictest28-21ksoftirqd/210:40:202
17753991716,1cyclictest28-21ksoftirqd/210:35:202
17753991716,1cyclictest28-21ksoftirqd/209:35:162
17753991716,1cyclictest28-21ksoftirqd/209:00:152
17753991714,3cyclictest28-21ksoftirqd/212:25:172
17753991714,3cyclictest28-21ksoftirqd/209:17:152
1775399169,5cyclictest28-21ksoftirqd/210:50:172
17753991615,1cyclictest28-21ksoftirqd/208:05:122
17753991615,1cyclictest28-21ksoftirqd/207:45:212
17753991614,1cyclictest28-21ksoftirqd/211:08:342
17753991515,0cyclictest28-21ksoftirqd/211:24:222
17753991515,0cyclictest28-21ksoftirqd/209:20:162
17753991514,1cyclictest28-21ksoftirqd/211:52:552
17753991514,1cyclictest28-21ksoftirqd/210:33:062
17753991514,1cyclictest28-21ksoftirqd/210:19:592
17753991514,1cyclictest28-21ksoftirqd/210:11:242
17753991514,1cyclictest28-21ksoftirqd/210:00:302
17753991514,0cyclictest28-21ksoftirqd/207:40:112
17753991513,1cyclictest28-21ksoftirqd/208:00:132
17753991414,0cyclictest28-21ksoftirqd/207:30:112
17753991413,1cyclictest28-21ksoftirqd/209:50:202
17753991413,1cyclictest28-21ksoftirqd/208:40:142
17753991411,2cyclictest28-21ksoftirqd/211:40:012
1775399137,5cyclictest28-21ksoftirqd/212:35:112
1775399135,1cyclictest28-21ksoftirqd/211:32:362
17753991313,0cyclictest28-21ksoftirqd/210:55:182
17753991313,0cyclictest28-21ksoftirqd/210:46:182
17753991313,0cyclictest28-21ksoftirqd/210:46:172
17753991313,0cyclictest28-21ksoftirqd/209:33:032
17753991312,1cyclictest28-21ksoftirqd/212:09:592
17753991312,1cyclictest28-21ksoftirqd/210:05:152
17753991312,1cyclictest28-21ksoftirqd/207:25:012
17753991310,3cyclictest28-21ksoftirqd/211:45:102
175842130,0sleep10-21swapper/108:15:131
175802130,1sleep317555-21perf10:00:013
17757991212,0cyclictest35-21ksoftirqd/311:20:103
17757991211,1cyclictest35-21ksoftirqd/312:19:593
17753991212,0cyclictest28-21ksoftirqd/211:12:142
17753991211,1cyclictest28-21ksoftirqd/212:15:012
17753991211,1cyclictest28-21ksoftirqd/211:40:132
17753991211,1cyclictest28-21ksoftirqd/210:29:012
17753991211,1cyclictest28-21ksoftirqd/209:50:002
17753991211,1cyclictest28-21ksoftirqd/209:30:002
17753991211,1cyclictest28-21ksoftirqd/208:35:002
17753991211,1cyclictest28-21ksoftirqd/208:20:182
17753991211,1cyclictest28-21ksoftirqd/208:20:002
17753991211,1cyclictest28-21ksoftirqd/208:00:002
17753991211,1cyclictest28-21ksoftirqd/207:40:002
17753991211,1cyclictest28-21ksoftirqd/207:15:122
17753991210,1cyclictest28-21ksoftirqd/212:20:122
17753991210,1cyclictest28-21ksoftirqd/210:20:162
17753991210,1cyclictest28-21ksoftirqd/209:00:002
17753991210,1cyclictest28-21ksoftirqd/208:29:592
17753991210,1cyclictest28-21ksoftirqd/208:15:002
17753991210,1cyclictest28-21ksoftirqd/207:25:012
17737991212,0cyclictest9-21ksoftirqd/012:10:190
17737991211,1cyclictest0-21swapper/011:20:090
1775799119,1cyclictest26454-21ssh10:51:473
1775399119,1cyclictest28-21ksoftirqd/211:25:192
1775399119,1cyclictest28-21ksoftirqd/211:00:012
1775399119,1cyclictest28-21ksoftirqd/208:55:012
1775399119,1cyclictest28-21ksoftirqd/208:40:002
1775399119,1cyclictest28-21ksoftirqd/207:10:192
17753991110,1cyclictest28-21ksoftirqd/211:59:592
17753991110,1cyclictest28-21ksoftirqd/209:40:112
17753991110,1cyclictest28-21ksoftirqd/207:55:012
1773799114,6cyclictest16921-21perf08:15:000
1773799113,4cyclictest3800-21perf12:30:000
17737991111,0cyclictest0-21swapper/011:06:410
1775399109,1cyclictest28-21ksoftirqd/208:45:122
1775399109,0cyclictest28-21ksoftirqd/209:05:142
1773799109,1cyclictest9-21ksoftirqd/009:45:130
1773799109,1cyclictest9-21ksoftirqd/009:35:160
1773799109,1cyclictest9-21ksoftirqd/009:30:140
1773799108,1cyclictest9-21ksoftirqd/011:15:130
17737991010,0cyclictest9-21ksoftirqd/009:40:130
6713290,0sleep30-21swapper/311:09:263
177579998,1cyclictest35-21ksoftirqd/312:14:593
177579998,1cyclictest35-21ksoftirqd/310:14:593
177379999,0cyclictest9-21ksoftirqd/008:15:190
177379998,1cyclictest9-21ksoftirqd/012:25:010
177379998,1cyclictest9-21ksoftirqd/012:00:110
177379998,1cyclictest9-21ksoftirqd/010:00:140
177379998,1cyclictest9-21ksoftirqd/008:30:140
177379998,1cyclictest9-21ksoftirqd/007:45:190
177379997,1cyclictest9-21ksoftirqd/011:55:000
177379991,4cyclictest13707-21ls09:55:010
177379990,4cyclictest28729-21cat08:40:010
177579987,1cyclictest35-21ksoftirqd/311:35:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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