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2025-12-11 - 19:52
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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 Dec 11, 2025 12:45:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320162199162,24sleep10-21swapper/107:07:261
319032199161,26sleep00-21swapper/007:05:550
318712199161,24sleep30-21swapper/307:05:303
318902198159,26sleep20-21swapper/207:05:462
289722570,0sleep20-21swapper/209:15:032
193252180,0sleep30-21swapper/311:15:163
3230899130,12cyclictest0-21swapper/112:15:181
32304991311,1cyclictest9-21ksoftirqd/008:05:000
32304991310,2cyclictest9-21ksoftirqd/009:45:010
32304991310,2cyclictest9-21ksoftirqd/009:45:000
32328991211,1cyclictest35-21ksoftirqd/309:55:013
32317991211,1cyclictest28-21ksoftirqd/211:30:132
32304991210,1cyclictest9-21ksoftirqd/009:25:170
3232899113,2cyclictest4811-21/usr/sbin/munin12:25:203
3231799119,1cyclictest28-21ksoftirqd/210:00:112
32317991110,1cyclictest8269-21telnet10:15:122
32317991110,1cyclictest28-21ksoftirqd/212:20:222
32317991110,1cyclictest28-21ksoftirqd/210:55:132
32317991110,1cyclictest28-21ksoftirqd/210:55:132
32317991110,1cyclictest28-21ksoftirqd/210:37:372
32317991110,1cyclictest28-21ksoftirqd/209:40:142
32317991110,1cyclictest28-21ksoftirqd/209:40:142
3230499119,1cyclictest9-21ksoftirqd/010:55:010
3230499119,1cyclictest9-21ksoftirqd/010:35:140
3230499113,4cyclictest881-21ls10:05:000
32304991110,1cyclictest9-21ksoftirqd/011:09:590
32304991110,1cyclictest9-21ksoftirqd/007:20:010
32304991110,1cyclictest20791-21sed09:45:230
10962110,0sleep20-21swapper/210:05:052
109422110,0sleep20-21swapper/207:30:142
3232899109,1cyclictest35-21ksoftirqd/309:30:003
3232899108,1cyclictest12290-21df09:35:143
3231799109,1cyclictest28-21ksoftirqd/212:28:562
3231799109,1cyclictest28-21ksoftirqd/211:58:432
3231799109,1cyclictest28-21ksoftirqd/211:50:132
3231799109,1cyclictest28-21ksoftirqd/211:46:302
3231799109,1cyclictest28-21ksoftirqd/211:11:392
3231799109,1cyclictest28-21ksoftirqd/209:46:522
3231799109,1cyclictest28-21ksoftirqd/208:50:002
3231799108,1cyclictest28-21ksoftirqd/212:35:182
3231799108,1cyclictest28-21ksoftirqd/212:10:182
3231799108,1cyclictest28-21ksoftirqd/212:04:362
3231799108,1cyclictest28-21ksoftirqd/211:35:242
3231799108,1cyclictest28-21ksoftirqd/210:25:172
32317991010,0cyclictest28-21ksoftirqd/212:31:172
32317991010,0cyclictest28-21ksoftirqd/209:23:022
32317991010,0cyclictest28-21ksoftirqd/209:10:142
3230499109,1cyclictest9-21ksoftirqd/012:35:160
3230499109,1cyclictest9-21ksoftirqd/012:20:140
3230499109,1cyclictest9-21ksoftirqd/012:05:170
3230499109,1cyclictest9-21ksoftirqd/011:00:160
3230499108,1cyclictest9-21ksoftirqd/008:05:120
32304991010,0cyclictest9-21ksoftirqd/012:15:140
32304991010,0cyclictest9-21ksoftirqd/011:15:120
32304991010,0cyclictest9-21ksoftirqd/008:20:010
275802100,0sleep025219-21diskmemload09:11:370
241812100,0sleep325219-21diskmemload12:07:223
323289999,0cyclictest35-21ksoftirqd/309:58:333
323289998,1cyclictest35-21ksoftirqd/310:45:003
323289997,1cyclictest35-21ksoftirqd/312:35:163
323289991,7cyclictest2244-21munin-node10:53:353
323179999,0cyclictest28-21ksoftirqd/209:55:202
323179998,1cyclictest28-21ksoftirqd/212:05:222
323179998,1cyclictest28-21ksoftirqd/211:00:032
323179998,1cyclictest28-21ksoftirqd/210:51:512
323179998,1cyclictest28-21ksoftirqd/210:43:052
323179998,1cyclictest28-21ksoftirqd/209:35:212
323179998,1cyclictest28-21ksoftirqd/208:30:132
323179998,1cyclictest28-21ksoftirqd/207:20:122
323179998,0cyclictest28-21ksoftirqd/210:45:122
323179998,0cyclictest28-21ksoftirqd/209:00:282
323179997,1cyclictest28-21ksoftirqd/210:30:282
323179997,1cyclictest28-21ksoftirqd/209:00:002
323179997,1cyclictest28-21ksoftirqd/208:45:002
323049998,1cyclictest9-21ksoftirqd/011:50:150
323049998,1cyclictest9-21ksoftirqd/011:40:150
323049998,1cyclictest9-21ksoftirqd/011:30:140
323049998,1cyclictest9-21ksoftirqd/010:20:180
323049998,1cyclictest20548-21ssh12:02:070
323049998,1cyclictest12115-21cat08:40:170
323049998,0cyclictest25219-21diskmemload10:43:430
323049997,1cyclictest9-21ksoftirqd/009:35:150
323049997,1cyclictest9-21ksoftirqd/008:35:130
323049990,1cyclictest0-21swapper/008:20:110
323289980,5cyclictest1497-21sendmail-mta10:05:503
323179988,0cyclictest28-21ksoftirqd/211:25:172
323179987,1cyclictest28-21ksoftirqd/212:16:222
323179987,1cyclictest28-21ksoftirqd/211:15:192
323179987,1cyclictest28-21ksoftirqd/211:05:122
323179987,1cyclictest28-21ksoftirqd/210:14:452
323179987,1cyclictest28-21ksoftirqd/209:52:242
323179987,1cyclictest28-21ksoftirqd/209:30:172
323179987,1cyclictest28-21ksoftirqd/207:20:002
323179987,1cyclictest28-21ksoftirqd/207:10:132
323179986,1cyclictest28-21ksoftirqd/211:20:132
323179986,1cyclictest28-21ksoftirqd/210:20:222
323179986,1cyclictest28-21ksoftirqd/208:10:002
323049988,0cyclictest9-21ksoftirqd/011:35:230
323049987,1cyclictest9-21ksoftirqd/011:50:000
323049987,1cyclictest9-21ksoftirqd/010:05:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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