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2026-07-14 - 12:30
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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 Jul 14, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62282209149,22sleep30-21swapper/319:07:033
63402206156,24sleep00-21swapper/019:08:290
62222200162,25sleep20-21swapper/219:06:592
62012198161,24sleep10-21swapper/119:06:411
213262680,0sleep00-21swapper/023:50:160
180232650,1sleep121-21ksoftirqd/121:32:551
6535991918,1cyclictest9-21ksoftirqd/021:15:140
6535991817,1cyclictest9-21ksoftirqd/021:20:140
6535991817,1cyclictest9-21ksoftirqd/000:00:140
6535991717,0cyclictest9-21ksoftirqd/021:31:400
231882170,0sleep10-21swapper/120:50:141
6561991615,1cyclictest35-21ksoftirqd/321:50:013
6535991615,1cyclictest9-21ksoftirqd/020:15:190
653599157,7cyclictest9-21ksoftirqd/000:20:130
6535991515,0cyclictest9-21ksoftirqd/023:10:140
6535991515,0cyclictest9-21ksoftirqd/023:01:540
6535991515,0cyclictest9-21ksoftirqd/022:15:280
6535991515,0cyclictest9-21ksoftirqd/022:00:140
653599147,1cyclictest9-21ksoftirqd/021:35:140
6535991414,0cyclictest9-21ksoftirqd/023:58:210
6535991414,0cyclictest9-21ksoftirqd/023:28:080
6535991414,0cyclictest9-21ksoftirqd/023:07:110
6535991414,0cyclictest9-21ksoftirqd/020:35:140
6535991414,0cyclictest9-21ksoftirqd/000:30:410
6535991414,0cyclictest9-21ksoftirqd/000:28:360
6535991414,0cyclictest9-21ksoftirqd/000:07:190
6535991413,1cyclictest9-21ksoftirqd/022:39:420
6561991311,1cyclictest35-21ksoftirqd/321:35:003
6561991310,1cyclictest35-21ksoftirqd/320:15:003
655399130,1cyclictest13520-21cstates23:40:132
653599133,5cyclictest3943-21latency_hist20:10:010
6535991313,0cyclictest9-21ksoftirqd/023:45:120
6535991313,0cyclictest9-21ksoftirqd/023:35:260
6535991313,0cyclictest9-21ksoftirqd/022:28:430
6535991313,0cyclictest9-21ksoftirqd/022:22:110
6535991313,0cyclictest9-21ksoftirqd/021:13:360
6535991313,0cyclictest9-21ksoftirqd/020:10:150
6535991313,0cyclictest9-21ksoftirqd/000:16:370
6535991312,1cyclictest9-21ksoftirqd/023:25:000
6535991312,1cyclictest9-21ksoftirqd/020:45:000
6535991311,1cyclictest9-21ksoftirqd/022:10:000
6535991311,1cyclictest9-21ksoftirqd/020:50:000
6535991311,1cyclictest9-21ksoftirqd/020:00:000
6535991311,1cyclictest9-21ksoftirqd/019:10:020
654799120,12cyclictest0-21swapper/119:50:121
653599129,2cyclictest9-21ksoftirqd/022:11:240
6535991212,0cyclictest9-21ksoftirqd/023:00:000
6535991212,0cyclictest9-21ksoftirqd/022:31:540
6535991212,0cyclictest9-21ksoftirqd/021:55:200
6535991211,1cyclictest9-21ksoftirqd/023:40:170
6535991211,1cyclictest9-21ksoftirqd/023:30:140
6535991211,1cyclictest9-21ksoftirqd/023:15:110
6535991211,1cyclictest9-21ksoftirqd/021:41:110
6535991211,1cyclictest9-21ksoftirqd/021:05:000
6535991211,1cyclictest9-21ksoftirqd/021:00:000
6535991210,1cyclictest9-21ksoftirqd/022:50:110
6535991210,1cyclictest9-21ksoftirqd/021:50:120
6535991210,1cyclictest9-21ksoftirqd/019:30:150
6535991210,1cyclictest9-21ksoftirqd/019:15:010
656199119,1cyclictest35-21ksoftirqd/320:40:003
656199118,2cyclictest9121-21apt-get22:50:113
6561991110,1cyclictest35-21ksoftirqd/321:40:143
655399119,1cyclictest28-21ksoftirqd/219:15:002
654799110,5cyclictest0-21swapper/120:45:121
653599119,1cyclictest9-21ksoftirqd/021:05:210
653599119,1cyclictest9-21ksoftirqd/020:20:200
653599119,1cyclictest9-21ksoftirqd/020:00:120
653599119,1cyclictest9-21ksoftirqd/019:50:220
653599119,1cyclictest9-21ksoftirqd/019:40:150
6535991111,0cyclictest9-21ksoftirqd/020:50:150
6535991111,0cyclictest9-21ksoftirqd/000:38:030
6535991111,0cyclictest9-21ksoftirqd/000:10:040
6535991110,1cyclictest9-21ksoftirqd/022:40:190
6535991110,1cyclictest9-21ksoftirqd/021:45:110
6535991110,1cyclictest9-21ksoftirqd/021:25:120
6535991110,1cyclictest9-21ksoftirqd/019:45:010
6535991110,1cyclictest9-21ksoftirqd/019:30:000
656199109,1cyclictest35-21ksoftirqd/322:35:003
656199108,1cyclictest35-21ksoftirqd/321:00:003
656199100,5cyclictest0-21swapper/321:15:143
655399100,9cyclictest41462sleep221:58:442
653599109,1cyclictest9-21ksoftirqd/020:30:000
653599109,1cyclictest9-21ksoftirqd/019:35:200
653599109,1cyclictest9-21ksoftirqd/019:20:120
653599108,1cyclictest9-21ksoftirqd/020:30:120
6535991010,0cyclictest9-21ksoftirqd/022:45:020
65619998,1cyclictest35-21ksoftirqd/322:45:013
65619998,1cyclictest35-21ksoftirqd/320:45:003
65619998,1cyclictest35-21ksoftirqd/320:10:013
65619998,1cyclictest35-21ksoftirqd/319:50:003
65619998,1cyclictest35-21ksoftirqd/319:25:003
65619998,1cyclictest35-21ksoftirqd/300:40:003
65539997,1cyclictest28-21ksoftirqd/220:35:002
65539990,8cyclictest13180-21kworker/u8:100:13:122
65479990,9cyclictest0-21swapper/100:10:171
65619987,1cyclictest35-21ksoftirqd/322:50:013
65619987,1cyclictest35-21ksoftirqd/320:00:003
65619986,1cyclictest35-21ksoftirqd/322:07:093
65619986,1cyclictest35-21ksoftirqd/320:05:003
65619984,4cyclictest9406-21kworker/3:100:08:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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