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2026-06-16 - 14:23
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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 Jun 16, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
172372213151,22sleep20-21swapper/207:07:102
171242199159,26sleep10-21swapper/107:05:401
171232197159,24sleep00-21swapper/007:05:390
173692196158,25sleep30-21swapper/307:08:523
17547992323,0cyclictest28-21ksoftirqd/209:37:482
1754799177,9cyclictest27856-21timerandwakeup08:35:222
17547991616,0cyclictest28-21ksoftirqd/212:35:212
17547991616,0cyclictest28-21ksoftirqd/212:11:042
17547991616,0cyclictest28-21ksoftirqd/211:08:122
17547991616,0cyclictest28-21ksoftirqd/210:32:232
17547991615,1cyclictest28-21ksoftirqd/209:59:392
17547991515,0cyclictest28-21ksoftirqd/212:26:382
17547991515,0cyclictest28-21ksoftirqd/211:30:162
17547991515,0cyclictest28-21ksoftirqd/210:54:472
17547991512,2cyclictest28-21ksoftirqd/209:05:002
1754799145,5cyclictest28-21ksoftirqd/208:15:132
17547991414,0cyclictest28-21ksoftirqd/212:31:512
17547991414,0cyclictest28-21ksoftirqd/212:00:062
17547991414,0cyclictest28-21ksoftirqd/211:55:512
17547991414,0cyclictest28-21ksoftirqd/211:40:562
17547991414,0cyclictest28-21ksoftirqd/211:36:422
17547991414,0cyclictest28-21ksoftirqd/211:17:362
17547991414,0cyclictest28-21ksoftirqd/211:12:122
17547991414,0cyclictest28-21ksoftirqd/210:38:302
17547991414,0cyclictest28-21ksoftirqd/210:27:012
17547991414,0cyclictest28-21ksoftirqd/210:09:052
17547991414,0cyclictest28-21ksoftirqd/209:42:252
17547991413,1cyclictest28-21ksoftirqd/209:20:002
17547991413,1cyclictest28-21ksoftirqd/208:30:152
17547991411,1cyclictest28-21ksoftirqd/209:54:042
17547991411,1cyclictest28-21ksoftirqd/209:54:042
1754799138,1cyclictest28-21ksoftirqd/209:24:202
17547991313,0cyclictest28-21ksoftirqd/212:21:242
17547991313,0cyclictest28-21ksoftirqd/211:51:432
17547991313,0cyclictest28-21ksoftirqd/211:47:542
17547991313,0cyclictest28-21ksoftirqd/210:55:462
17547991313,0cyclictest28-21ksoftirqd/210:48:232
17547991313,0cyclictest28-21ksoftirqd/210:21:342
17547991313,0cyclictest28-21ksoftirqd/210:18:312
17547991313,0cyclictest28-21ksoftirqd/209:30:182
17547991312,0cyclictest28-21ksoftirqd/209:14:182
17547991311,2cyclictest28-21ksoftirqd/209:25:102
173132130,0sleep10-21swapper/111:30:141
17552991211,1cyclictest35-21ksoftirqd/312:15:163
1754799128,4cyclictest28-21ksoftirqd/208:55:202
1754799128,4cyclictest28-21ksoftirqd/208:55:202
1754799127,5cyclictest28-21ksoftirqd/211:02:502
17547991211,1cyclictest28-21ksoftirqd/212:15:112
1755299119,1cyclictest35-21ksoftirqd/311:00:183
17552991110,1cyclictest35-21ksoftirqd/309:50:153
17552991110,1cyclictest35-21ksoftirqd/309:50:143
1754799119,1cyclictest28-21ksoftirqd/208:00:202
1754799119,1cyclictest28-21ksoftirqd/207:50:142
1754799118,3cyclictest28-21ksoftirqd/207:10:182
17547991111,0cyclictest28-21ksoftirqd/211:29:352
17547991111,0cyclictest28-21ksoftirqd/210:11:092
17547991110,1cyclictest28-21ksoftirqd/212:05:112
17547991110,1cyclictest28-21ksoftirqd/211:20:142
17547991110,1cyclictest28-21ksoftirqd/209:45:172
17547991110,1cyclictest28-21ksoftirqd/208:45:112
17547991110,1cyclictest28-21ksoftirqd/208:05:122
1755299109,1cyclictest35-21ksoftirqd/312:30:003
1755299109,1cyclictest35-21ksoftirqd/312:00:213
1755299109,1cyclictest35-21ksoftirqd/311:25:183
1755299109,1cyclictest35-21ksoftirqd/310:00:053
1755299109,1cyclictest35-21ksoftirqd/308:25:003
1755299109,1cyclictest35-21ksoftirqd/307:15:003
1755299109,0cyclictest35-21ksoftirqd/311:50:063
1755299109,0cyclictest35-21ksoftirqd/310:35:003
1755299101,5cyclictest20082-21apt-get11:35:113
1754799109,1cyclictest28-21ksoftirqd/210:40:162
1754799109,1cyclictest28-21ksoftirqd/210:00:172
1754799109,1cyclictest28-21ksoftirqd/208:00:012
1754799109,1cyclictest28-21ksoftirqd/207:45:112
1754799109,1cyclictest28-21ksoftirqd/207:45:002
1754799109,1cyclictest28-21ksoftirqd/207:40:002
1754799109,1cyclictest28-21ksoftirqd/207:15:012
1754799108,1cyclictest28-21ksoftirqd/209:05:122
1754799108,1cyclictest28-21ksoftirqd/208:50:192
1754799108,1cyclictest28-21ksoftirqd/208:25:002
1754799108,1cyclictest28-21ksoftirqd/208:10:142
1754799108,1cyclictest28-21ksoftirqd/207:20:112
1754799108,1cyclictest21416-21apt-get08:25:122
1754799101,8cyclictest26334-21smartctl07:25:162
1753599104,5cyclictest30428-21perf11:05:000
1753599102,4cyclictest11749-21/usr/sbin/munin08:05:000
175529999,0cyclictest35-21ksoftirqd/311:56:593
175529999,0cyclictest35-21ksoftirqd/309:45:193
175529999,0cyclictest35-21ksoftirqd/309:35:203
175529998,1cyclictest35-21ksoftirqd/312:30:133
175529998,1cyclictest35-21ksoftirqd/312:10:143
175529998,1cyclictest35-21ksoftirqd/311:49:593
175529998,1cyclictest35-21ksoftirqd/311:10:153
175529998,1cyclictest35-21ksoftirqd/310:45:123
175529998,1cyclictest35-21ksoftirqd/309:35:003
175529998,1cyclictest35-21ksoftirqd/308:50:143
175529997,1cyclictest35-21ksoftirqd/311:30:123
175529997,1cyclictest35-21ksoftirqd/310:25:003
175479998,1cyclictest28-21ksoftirqd/208:40:112
175479998,1cyclictest28-21ksoftirqd/207:30:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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