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2026-07-16 - 15:53
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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 Thu Jul 16, 2026 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
158642219156,49sleep20-21swapper/207:07:512
159522200160,26sleep30-21swapper/307:09:013
158622198142,42sleep00-21swapper/007:07:480
156892197160,24sleep10-21swapper/107:05:331
1613499130,13cyclictest0-21swapper/210:00:112
1612399130,13cyclictest0-21swapper/010:00:120
16134991211,1cyclictest28-21ksoftirqd/207:25:012
1612399123,4cyclictest23244-21latency_hist11:29:590
16123991210,1cyclictest9-21ksoftirqd/011:05:110
16123991210,1cyclictest9-21ksoftirqd/008:15:130
16123991210,1cyclictest9-21ksoftirqd/008:15:130
1614299119,1cyclictest35-21ksoftirqd/310:05:003
16142991110,1cyclictest35-21ksoftirqd/310:55:013
1613499115,5cyclictest28-21ksoftirqd/209:55:542
16134991110,1cyclictest0-21swapper/211:55:142
1613499110,11cyclictest0-21swapper/209:12:482
1612399119,1cyclictest9-21ksoftirqd/011:30:120
16123991111,0cyclictest9-21ksoftirqd/010:55:140
16123991110,1cyclictest9-21ksoftirqd/012:35:100
16123991110,1cyclictest9-21ksoftirqd/012:10:160
16123991110,1cyclictest9-21ksoftirqd/011:35:120
16123991110,1cyclictest9-21ksoftirqd/010:20:160
1614299109,1cyclictest35-21ksoftirqd/310:45:003
1614299109,0cyclictest35-21ksoftirqd/311:30:003
16142991010,0cyclictest35-21ksoftirqd/310:30:013
1614299100,7cyclictest240-21systemd-journal12:22:283
1613499109,1cyclictest28-21ksoftirqd/209:39:592
1612399109,1cyclictest9-21ksoftirqd/010:50:110
1612399109,1cyclictest9-21ksoftirqd/010:30:150
1612399109,1cyclictest9-21ksoftirqd/009:15:000
1612399109,1cyclictest9-21ksoftirqd/008:05:000
1612399109,1cyclictest9-21ksoftirqd/007:30:100
1612399109,0cyclictest9-21ksoftirqd/011:00:120
1612399109,0cyclictest9-21ksoftirqd/011:00:110
1612399108,1cyclictest9-21ksoftirqd/011:45:120
1612399108,1cyclictest9-21ksoftirqd/009:30:140
1612399100,4cyclictest240-21systemd-journal11:54:560
25666290,1sleep30-21swapper/311:31:173
25420290,1sleep30-21swapper/312:11:423
161429999,0cyclictest35-21ksoftirqd/311:05:013
161429999,0cyclictest35-21ksoftirqd/311:05:013
161429999,0cyclictest35-21ksoftirqd/309:18:213
161429998,1cyclictest35-21ksoftirqd/312:40:003
161429998,1cyclictest35-21ksoftirqd/311:20:003
161429998,1cyclictest35-21ksoftirqd/307:45:003
161429997,1cyclictest35-21ksoftirqd/308:25:003
161349998,1cyclictest28-21ksoftirqd/212:18:302
161349990,9cyclictest0-21swapper/211:30:352
161239999,0cyclictest9-21ksoftirqd/010:40:500
161239999,0cyclictest9-21ksoftirqd/010:36:390
161239999,0cyclictest9-21ksoftirqd/010:12:240
161239999,0cyclictest9-21ksoftirqd/009:50:110
161239998,1cyclictest9-21ksoftirqd/012:25:120
161239998,1cyclictest9-21ksoftirqd/012:15:110
161239998,1cyclictest9-21ksoftirqd/012:10:000
161239998,1cyclictest9-21ksoftirqd/012:00:130
161239998,1cyclictest9-21ksoftirqd/009:56:300
161239997,1cyclictest9-21ksoftirqd/007:59:280
161239992,3cyclictest30977-21perf07:39:590
161239990,4cyclictest12708-21perf08:10:010
161239990,1cyclictest240-21systemd-journal11:12:130
14316290,0sleep30-21swapper/310:36:473
161429986,1cyclictest35-21ksoftirqd/307:25:013
161429982,2cyclictest8761-21diskmemload09:36:173
161429981,4cyclictest24275-21apt-get10:10:123
161349986,1cyclictest61650irq/122-eno110:50:102
161349986,1cyclictest61650irq/122-eno110:45:222
161349986,1cyclictest61650irq/122-eno110:20:132
161349983,4cyclictest6708-21kworker/u8:212:32:252
161349982,3cyclictest8761-21diskmemload10:15:112
161349980,5cyclictest0-21swapper/208:40:132
161349980,4cyclictest11566-21/usr/sbin/munin11:15:202
161349980,4cyclictest0-21swapper/209:30:512
161349980,0cyclictest0-21swapper/209:17:422
161269982,2cyclictest0-21swapper/109:50:161
161269980,4cyclictest0-21swapper/110:40:101
161239988,0cyclictest9-21ksoftirqd/012:31:220
161239988,0cyclictest9-21ksoftirqd/009:49:280
161239988,0cyclictest9-21ksoftirqd/009:35:110
161239988,0cyclictest9-21ksoftirqd/009:18:330
161239987,1cyclictest9-21ksoftirqd/011:56:410
161239987,1cyclictest9-21ksoftirqd/010:45:140
161239987,1cyclictest9-21ksoftirqd/010:15:120
161239987,1cyclictest9-21ksoftirqd/008:45:110
161239986,1cyclictest9-21ksoftirqd/012:20:140
161239986,1cyclictest9-21ksoftirqd/008:25:210
161239983,5cyclictest9-21ksoftirqd/007:10:130
161239980,1cyclictest27019-21munin-run08:40:000
161239980,1cyclictest22751-21memory07:20:180
18682270,0sleep10-21swapper/111:23:371
161429977,0cyclictest29700-21sensors10:15:193
161429976,1cyclictest35-21ksoftirqd/309:05:003
161429976,1cyclictest35-21ksoftirqd/308:15:013
161429976,1cyclictest35-21ksoftirqd/307:55:223
161429976,1cyclictest13245-21cat09:55:153
161429975,1cyclictest9112-21ssh12:32:153
161429975,1cyclictest8761-21diskmemload11:41:373
161429975,1cyclictest35-21ksoftirqd/308:20:013
161429975,1cyclictest35-21ksoftirqd/308:20:003
161429975,1cyclictest0-21swapper/311:05:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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