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2026-05-21 - 00:40
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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 Wed May 20, 2026 12:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
203462225148,64sleep10-21swapper/107:06:091
205762209159,25sleep30-21swapper/307:09:083
205602203164,25sleep20-21swapper/207:08:552
203672200163,24sleep00-21swapper/007:06:240
178862700,0sleep10-21swapper/108:10:131
68392620,0sleep213387-21diskmemload10:25:152
241752580,0sleep10-21swapper/111:31:021
20736991814,1cyclictest28-21ksoftirqd/209:59:502
288842160,0sleep20-21swapper/209:29:072
20736991414,0cyclictest28-21ksoftirqd/210:52:032
20723991311,1cyclictest9-21ksoftirqd/008:30:000
2074499120,12cyclictest0-21swapper/309:21:153
2072399123,4cyclictest30510-21latency_hist12:24:590
51912110,0sleep013387-21diskmemload12:32:580
2073699119,1cyclictest28-21ksoftirqd/211:50:172
2073699119,1cyclictest28-21ksoftirqd/209:30:172
20736991111,0cyclictest28-21ksoftirqd/210:55:012
20736991111,0cyclictest28-21ksoftirqd/210:35:022
20736991111,0cyclictest28-21ksoftirqd/209:35:222
20736991110,1cyclictest28-21ksoftirqd/211:05:002
20723991110,1cyclictest9-21ksoftirqd/010:00:000
20723991110,1cyclictest9-21ksoftirqd/008:00:010
32222100,1sleep10-21swapper/111:04:551
2073699109,1cyclictest28-21ksoftirqd/212:18:292
2073699109,1cyclictest28-21ksoftirqd/211:30:162
2073699109,1cyclictest28-21ksoftirqd/210:40:192
2073699109,1cyclictest28-21ksoftirqd/209:45:182
2073699108,1cyclictest28-21ksoftirqd/209:40:162
2073699108,1cyclictest28-21ksoftirqd/209:00:182
20736991010,0cyclictest28-21ksoftirqd/207:45:152
2073699100,10cyclictest0-21swapper/209:23:082
2072899100,3cyclictest0-21swapper/109:05:121
2072399109,1cyclictest9-21ksoftirqd/011:15:130
2072399109,1cyclictest9-21ksoftirqd/011:15:130
2072399109,1cyclictest9-21ksoftirqd/010:50:150
2072399109,1cyclictest9-21ksoftirqd/009:15:000
2072399109,1cyclictest9-21ksoftirqd/007:41:200
2072399108,1cyclictest9-21ksoftirqd/010:50:000
20723991010,0cyclictest9-21ksoftirqd/010:10:140
207449998,1cyclictest35-21ksoftirqd/312:30:003
207449998,1cyclictest35-21ksoftirqd/309:45:123
207449998,1cyclictest341rcuc/307:35:003
207449992,4cyclictest26558-21apt-get07:20:113
207449990,5cyclictest23368-21kworker/u8:212:20:323
207369999,0cyclictest28-21ksoftirqd/207:10:172
207369998,1cyclictest28-21ksoftirqd/211:20:152
207369998,1cyclictest28-21ksoftirqd/210:25:002
207369998,1cyclictest28-21ksoftirqd/210:17:462
207369998,1cyclictest28-21ksoftirqd/209:50:152
207369998,1cyclictest28-21ksoftirqd/207:35:112
207369998,1cyclictest28-21ksoftirqd/207:24:592
207369991,8cyclictest28-21ksoftirqd/211:35:212
207239998,1cyclictest9-21ksoftirqd/009:45:130
207239997,1cyclictest9-21ksoftirqd/010:30:170
207239996,1cyclictest240-21systemd-journal11:05:000
207239990,4cyclictest6342-21date08:55:010
207239990,4cyclictest6342-21date08:55:000
207239990,4cyclictest3989-21latency_hist08:50:010
207239990,1cyclictest240-21systemd-journal07:10:130
207239990,0cyclictest240-21systemd-journal10:42:500
207449987,1cyclictest35-21ksoftirqd/310:09:593
207449987,1cyclictest35-21ksoftirqd/309:14:593
207449987,0cyclictest0-21swapper/309:50:153
207449980,5cyclictest12988-21taskset08:00:013
207449980,5cyclictest0-21swapper/311:36:023
207449980,3cyclictest0-21swapper/311:28:213
207449980,1cyclictest0-21swapper/310:25:103
207369988,0cyclictest28-21ksoftirqd/212:29:592
207369988,0cyclictest28-21ksoftirqd/212:12:312
207369987,1cyclictest28-21ksoftirqd/212:25:232
207369987,1cyclictest28-21ksoftirqd/211:25:132
207369987,1cyclictest28-21ksoftirqd/211:12:372
207369987,1cyclictest28-21ksoftirqd/211:05:162
207369987,1cyclictest28-21ksoftirqd/210:47:182
207369987,1cyclictest28-21ksoftirqd/210:05:102
207369987,1cyclictest28-21ksoftirqd/208:40:152
207369987,1cyclictest28-21ksoftirqd/208:20:002
207369987,1cyclictest28-21ksoftirqd/207:25:142
207369987,0cyclictest28-21ksoftirqd/209:15:192
207369986,1cyclictest28-21ksoftirqd/212:35:332
207369986,1cyclictest28-21ksoftirqd/212:23:222
207369986,1cyclictest28-21ksoftirqd/212:05:142
207369986,1cyclictest28-21ksoftirqd/212:01:212
207369986,1cyclictest28-21ksoftirqd/211:55:142
207369986,1cyclictest28-21ksoftirqd/211:40:062
207369986,1cyclictest28-21ksoftirqd/211:15:352
207369986,1cyclictest28-21ksoftirqd/211:15:342
207369986,1cyclictest28-21ksoftirqd/210:30:432
207369986,1cyclictest28-21ksoftirqd/209:10:322
207369986,1cyclictest28-21ksoftirqd/208:35:002
207369983,4cyclictest28-21ksoftirqd/211:45:172
207369983,3cyclictest19588-21apt-get10:00:112
207239988,0cyclictest9-21ksoftirqd/012:15:140
207239988,0cyclictest9-21ksoftirqd/011:10:110
207239987,1cyclictest9-21ksoftirqd/011:30:170
207239987,1cyclictest9-21ksoftirqd/011:30:010
207239987,1cyclictest9-21ksoftirqd/008:24:590
207239987,1cyclictest28621-21ssh09:28:280
207239986,1cyclictest9-21ksoftirqd/012:25:140
207239986,1cyclictest9-21ksoftirqd/009:00:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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