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2026-09-01 - 20:15
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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 Sep 01, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
42202217160,25sleep00-21swapper/007:07:120
43892204159,31sleep10-21swapper/107:09:221
40912201161,26sleep30-21swapper/307:05:303
42642200162,25sleep20-21swapper/207:07:462
26052680,0sleep00-21swapper/011:34:140
74702670,0sleep10-21swapper/109:20:581
454099200,13cyclictest0-21swapper/108:40:121
4530991817,1cyclictest9-21ksoftirqd/012:10:120
320982180,0sleep30-21swapper/309:55:563
4530991716,1cyclictest9-21ksoftirqd/011:55:110
4530991716,1cyclictest9-21ksoftirqd/008:45:140
4530991715,1cyclictest9-21ksoftirqd/009:15:120
4530991615,1cyclictest9-21ksoftirqd/011:17:170
4530991615,1cyclictest9-21ksoftirqd/008:30:220
4530991615,1cyclictest9-21ksoftirqd/007:40:170
4530991614,1cyclictest9-21ksoftirqd/007:15:170
4530991515,0cyclictest9-21ksoftirqd/012:29:390
4530991515,0cyclictest9-21ksoftirqd/012:15:130
4530991515,0cyclictest9-21ksoftirqd/008:25:170
4530991514,1cyclictest9-21ksoftirqd/010:30:140
4530991513,1cyclictest9-21ksoftirqd/010:50:010
4530991513,1cyclictest9-21ksoftirqd/009:50:000
4530991513,1cyclictest9-21ksoftirqd/009:31:120
4530991414,0cyclictest9-21ksoftirqd/011:10:130
4530991414,0cyclictest9-21ksoftirqd/009:12:450
4530991413,1cyclictest9-21ksoftirqd/009:20:180
4530991412,1cyclictest9-21ksoftirqd/011:50:000
4530991412,1cyclictest9-21ksoftirqd/011:40:000
4530991412,1cyclictest9-21ksoftirqd/010:10:180
156642140,0sleep00-21swapper/007:30:150
4530991313,0cyclictest9-21ksoftirqd/012:05:190
4530991313,0cyclictest9-21ksoftirqd/010:21:030
4530991313,0cyclictest9-21ksoftirqd/007:10:150
4530991312,1cyclictest9-21ksoftirqd/009:00:010
4530991312,1cyclictest9-21ksoftirqd/009:00:000
4530991311,1cyclictest9-21ksoftirqd/011:40:150
4530991311,1cyclictest9-21ksoftirqd/010:40:110
4530991311,1cyclictest9-21ksoftirqd/010:40:010
4530991311,1cyclictest9-21ksoftirqd/008:20:000
4530991311,1cyclictest9-21ksoftirqd/008:05:170
4530991311,1cyclictest9-21ksoftirqd/008:00:010
4530991310,2cyclictest9-21ksoftirqd/011:00:140
4530991310,2cyclictest9-21ksoftirqd/010:05:130
4547991211,1cyclictest28-21ksoftirqd/209:55:012
4547991211,1cyclictest28-21ksoftirqd/209:55:012
453099129,1cyclictest9-21ksoftirqd/010:59:590
4530991212,0cyclictest9-21ksoftirqd/012:37:240
4530991212,0cyclictest9-21ksoftirqd/009:57:010
4530991211,1cyclictest9-21ksoftirqd/009:35:110
4530991211,1cyclictest9-21ksoftirqd/009:05:010
4530991211,1cyclictest9-21ksoftirqd/008:44:590
4530991211,1cyclictest9-21ksoftirqd/008:25:000
4530991211,1cyclictest9-21ksoftirqd/008:15:010
4530991211,1cyclictest9-21ksoftirqd/007:24:590
4530991210,1cyclictest9-21ksoftirqd/012:34:590
4530991210,1cyclictest9-21ksoftirqd/012:20:120
4530991210,1cyclictest9-21ksoftirqd/011:25:140
4530991210,1cyclictest9-21ksoftirqd/011:20:180
4530991210,1cyclictest9-21ksoftirqd/010:15:120
4530991210,1cyclictest9-21ksoftirqd/009:50:160
4530991210,1cyclictest9-21ksoftirqd/009:50:160
4530991210,1cyclictest9-21ksoftirqd/009:25:210
4530991210,1cyclictest9-21ksoftirqd/009:10:010
4530991210,1cyclictest9-21ksoftirqd/008:55:010
4530991210,1cyclictest9-21ksoftirqd/008:40:000
4530991210,1cyclictest9-21ksoftirqd/008:05:010
4530991210,1cyclictest9-21ksoftirqd/007:50:010
4530991210,1cyclictest9-21ksoftirqd/007:39:590
4530991210,1cyclictest9-21ksoftirqd/007:30:000
454799119,1cyclictest28-21ksoftirqd/209:40:002
453099119,1cyclictest9-21ksoftirqd/010:50:140
453099118,1cyclictest9-21ksoftirqd/007:45:000
4530991110,1cyclictest9-21ksoftirqd/011:05:140
4530991110,1cyclictest9-21ksoftirqd/010:25:190
454799109,1cyclictest28-21ksoftirqd/210:17:042
454799108,1cyclictest28-21ksoftirqd/210:45:132
454799100,7cyclictest9090-21kworker/u8:109:59:312
453099109,1cyclictest9-21ksoftirqd/012:00:120
453099109,1cyclictest9-21ksoftirqd/010:00:140
453099109,1cyclictest9-21ksoftirqd/009:40:150
453099108,1cyclictest9-21ksoftirqd/011:50:120
45559997,1cyclictest17415-21apt-get07:35:133
45479998,1cyclictest28-21ksoftirqd/212:19:592
45479998,1cyclictest28-21ksoftirqd/212:00:122
45479998,1cyclictest28-21ksoftirqd/212:00:012
45479998,0cyclictest28-21ksoftirqd/210:00:222
45409990,5cyclictest0-21swapper/110:40:121
45559987,1cyclictest35-21ksoftirqd/311:14:593
45559986,1cyclictest11301-21snmpd07:24:253
45559984,3cyclictest11301-21snmpd12:18:313
45559981,4cyclictest0-21swapper/309:14:523
45559980,5cyclictest0-21swapper/312:10:133
45479987,1cyclictest28-21ksoftirqd/211:00:112
45479987,1cyclictest28-21ksoftirqd/208:35:002
45479987,1cyclictest28-21ksoftirqd/207:30:132
45479987,0cyclictest28-21ksoftirqd/210:26:432
45479986,1cyclictest61650irq/122-eno112:10:142
45479986,1cyclictest28-21ksoftirqd/210:55:142
45479986,1cyclictest28-21ksoftirqd/208:50:012
45479986,1cyclictest11301-21snmpd09:16:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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