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2025-12-03 - 18:34
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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 Dec 03, 2025 12:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
55712225156,55sleep00-21swapper/007:05:110
55692210160,24sleep30-21swapper/307:05:103
73282204151,22sleep10-21swapper/107:05:281
75482199160,25sleep20-21swapper/207:08:222
250932740,0sleep2654-21diskmemload11:10:212
295102650,0sleep00-21swapper/012:03:060
133792210,0sleep10-21swapper/109:25:181
7782991817,1cyclictest28-21ksoftirqd/209:40:132
7782991614,1cyclictest28-21ksoftirqd/209:49:232
7782991613,1cyclictest28-21ksoftirqd/210:14:162
7782991515,0cyclictest28-21ksoftirqd/211:01:342
7782991513,1cyclictest28-21ksoftirqd/209:10:162
7793991412,1cyclictest654-21diskmemload09:56:153
7782991312,1cyclictest28-21ksoftirqd/210:49:472
7782991311,1cyclictest28-21ksoftirqd/210:50:202
7782991311,1cyclictest28-21ksoftirqd/210:50:202
7782991311,1cyclictest28-21ksoftirqd/207:45:002
778299130,12cyclictest25796-21cron08:55:002
7793991211,1cyclictest35-21ksoftirqd/311:50:003
7782991211,1cyclictest28-21ksoftirqd/211:35:212
7782991211,1cyclictest28-21ksoftirqd/209:36:192
7782991210,1cyclictest28-21ksoftirqd/212:31:332
7782991210,1cyclictest28-21ksoftirqd/212:20:172
7782991210,1cyclictest28-21ksoftirqd/212:10:172
7782991210,1cyclictest28-21ksoftirqd/208:15:002
7763991211,1cyclictest9-21ksoftirqd/010:30:000
7763991211,1cyclictest9-21ksoftirqd/009:10:140
7763991210,1cyclictest9-21ksoftirqd/011:10:000
7763991210,1cyclictest9-21ksoftirqd/009:00:000
7793991110,1cyclictest35-21ksoftirqd/312:00:003
7793991110,1cyclictest35-21ksoftirqd/309:20:003
778299119,1cyclictest28-21ksoftirqd/209:50:152
778299119,1cyclictest28-21ksoftirqd/207:40:002
778299118,0cyclictest0-21swapper/211:29:392
7782991110,1cyclictest28-21ksoftirqd/212:15:202
7782991110,1cyclictest28-21ksoftirqd/212:00:112
7782991110,1cyclictest28-21ksoftirqd/211:55:412
7782991110,1cyclictest28-21ksoftirqd/211:52:492
7782991110,1cyclictest28-21ksoftirqd/211:34:022
7782991110,1cyclictest28-21ksoftirqd/211:05:162
7782991110,1cyclictest28-21ksoftirqd/210:15:162
7782991110,1cyclictest28-21ksoftirqd/209:34:542
7782991110,1cyclictest28-21ksoftirqd/209:34:542
7782991110,1cyclictest28-21ksoftirqd/208:40:132
7782991110,1cyclictest28-21ksoftirqd/208:30:152
776399119,1cyclictest9-21ksoftirqd/011:50:000
776399119,1cyclictest9-21ksoftirqd/011:00:140
776399119,1cyclictest654-21diskmemload09:59:150
776399113,4cyclictest1760-21perf09:55:010
79712100,0sleep3654-21diskmemload11:33:063
779399109,1cyclictest35-21ksoftirqd/311:10:133
779399109,1cyclictest35-21ksoftirqd/310:55:203
779399109,1cyclictest35-21ksoftirqd/309:45:153
779399109,1cyclictest35-21ksoftirqd/307:45:003
779399108,1cyclictest35-21ksoftirqd/310:50:133
779399108,1cyclictest35-21ksoftirqd/310:50:133
778299109,1cyclictest28-21ksoftirqd/212:35:162
778299109,1cyclictest28-21ksoftirqd/212:25:222
778299109,1cyclictest28-21ksoftirqd/211:20:242
778299109,1cyclictest28-21ksoftirqd/211:15:182
778299109,1cyclictest28-21ksoftirqd/210:55:162
778299109,1cyclictest28-21ksoftirqd/210:30:202
778299109,1cyclictest28-21ksoftirqd/210:05:112
778299109,1cyclictest28-21ksoftirqd/210:00:222
778299109,1cyclictest28-21ksoftirqd/209:55:232
778299109,1cyclictest28-21ksoftirqd/209:25:182
778299109,1cyclictest28-21ksoftirqd/209:15:462
778299109,1cyclictest28-21ksoftirqd/208:05:192
778299108,1cyclictest28-21ksoftirqd/210:20:152
778299108,1cyclictest28-21ksoftirqd/209:20:142
778299108,1cyclictest18721-21ls08:40:002
7782991010,0cyclictest28-21ksoftirqd/210:38:362
7782991010,0cyclictest28-21ksoftirqd/208:25:172
777199100,0cyclictest0-21swapper/108:25:191
776399109,1cyclictest9-21ksoftirqd/012:25:150
776399109,1cyclictest9-21ksoftirqd/011:55:370
776399109,1cyclictest9-21ksoftirqd/011:10:210
776399109,1cyclictest9-21ksoftirqd/009:05:010
776399109,1cyclictest9-21ksoftirqd/007:30:000
77939998,1cyclictest35-21ksoftirqd/310:40:143
77939998,1cyclictest35-21ksoftirqd/308:55:003
77939997,1cyclictest35-21ksoftirqd/311:55:003
77829999,0cyclictest28-21ksoftirqd/212:05:432
77829998,1cyclictest28-21ksoftirqd/211:45:232
77829998,1cyclictest28-21ksoftirqd/210:27:282
77829998,1cyclictest28-21ksoftirqd/209:05:112
77829998,0cyclictest28-21ksoftirqd/210:40:202
77639998,1cyclictest9-21ksoftirqd/012:24:590
77639998,1cyclictest9-21ksoftirqd/011:40:140
77639998,1cyclictest9-21ksoftirqd/011:25:130
77639998,1cyclictest9-21ksoftirqd/010:35:160
77639997,1cyclictest9-21ksoftirqd/010:45:000
77639997,1cyclictest30006-21ssh10:33:540
77939988,0cyclictest35-21ksoftirqd/310:45:003
77939987,1cyclictest35-21ksoftirqd/311:15:163
77939987,1cyclictest35-21ksoftirqd/310:25:133
77939987,1cyclictest35-21ksoftirqd/307:55:003
77939986,1cyclictest35-21ksoftirqd/309:25:163
77939980,5cyclictest5654-21ntp_states09:15:193
77939980,5cyclictest0-21swapper/312:15:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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