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2026-05-06 - 01:22
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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 06, 2026 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32052208157,25sleep30-21swapper/319:07:563
31522201161,26sleep20-21swapper/219:07:142
30892199163,24sleep10-21swapper/119:06:251
30832198159,25sleep00-21swapper/019:06:190
2751821100,0sleep00-21swapper/019:55:220
51812190,0sleep30-21swapper/320:20:123
3461991715,1cyclictest28-21ksoftirqd/220:40:002
3461991614,2cyclictest28-21ksoftirqd/221:23:092
3461991513,1cyclictest28-21ksoftirqd/222:20:122
3444991513,1cyclictest9-21ksoftirqd/023:40:000
3461991414,0cyclictest28-21ksoftirqd/223:51:462
3461991414,0cyclictest28-21ksoftirqd/222:44:502
3461991412,1cyclictest28-21ksoftirqd/220:40:202
3444991413,1cyclictest9-21ksoftirqd/021:35:150
3461991312,1cyclictest28-21ksoftirqd/223:30:172
3461991312,1cyclictest28-21ksoftirqd/220:30:112
3461991312,0cyclictest28-21ksoftirqd/200:20:152
3461991311,1cyclictest28-21ksoftirqd/223:25:122
3461991311,1cyclictest28-21ksoftirqd/220:10:012
346199130,13cyclictest0-21swapper/220:15:192
3461991212,0cyclictest28-21ksoftirqd/223:47:152
3461991211,1cyclictest28-21ksoftirqd/219:45:172
3461991211,1cyclictest28-21ksoftirqd/219:20:192
3461991211,0cyclictest28-21ksoftirqd/200:06:022
3461991210,1cyclictest28-21ksoftirqd/223:10:142
346199119,1cyclictest61650irq/122-eno122:00:172
346199119,1cyclictest28-21ksoftirqd/221:50:152
346199119,1cyclictest28-21ksoftirqd/200:40:002
3461991110,1cyclictest28-21ksoftirqd/223:15:112
3461991110,1cyclictest28-21ksoftirqd/219:55:142
3461991110,1cyclictest28-21ksoftirqd/219:50:172
3461991110,1cyclictest28-21ksoftirqd/219:30:182
3461991110,0cyclictest28-21ksoftirqd/223:55:172
344499119,1cyclictest9-21ksoftirqd/000:20:150
344499112,4cyclictest23596-21perf21:45:010
3444991110,1cyclictest9-21ksoftirqd/022:50:000
207882110,0sleep20-21swapper/200:30:322
346699109,1cyclictest35-21ksoftirqd/323:25:003
346699109,1cyclictest35-21ksoftirqd/322:55:003
346699109,1cyclictest35-21ksoftirqd/320:15:013
346199109,1cyclictest28-21ksoftirqd/222:50:142
346199109,1cyclictest28-21ksoftirqd/222:35:202
346199109,1cyclictest28-21ksoftirqd/221:25:132
346199109,1cyclictest28-21ksoftirqd/221:10:102
346199109,1cyclictest28-21ksoftirqd/221:00:112
346199108,2cyclictest28-21ksoftirqd/221:55:032
346199108,1cyclictest28-21ksoftirqd/223:05:142
346199108,1cyclictest28-21ksoftirqd/222:20:002
346199108,1cyclictest28-21ksoftirqd/221:40:132
346199108,1cyclictest28-21ksoftirqd/219:44:592
346199108,1cyclictest28-21ksoftirqd/219:15:012
346199108,1cyclictest28-21ksoftirqd/200:00:222
3461991010,0cyclictest28-21ksoftirqd/221:15:232
3461991010,0cyclictest0-21swapper/200:15:582
344499108,1cyclictest9-21ksoftirqd/021:30:120
195582100,0sleep20-21swapper/221:39:222
170872100,1sleep10-21swapper/100:25:381
34669999,0cyclictest35-21ksoftirqd/300:20:163
34669999,0cyclictest35-21ksoftirqd/300:05:013
34669998,1cyclictest35-21ksoftirqd/322:29:593
34669998,1cyclictest35-21ksoftirqd/300:17:003
34619999,0cyclictest28-21ksoftirqd/220:50:162
34619998,1cyclictest28-21ksoftirqd/223:00:112
34619998,1cyclictest28-21ksoftirqd/221:05:162
34619998,1cyclictest28-21ksoftirqd/220:00:182
34619998,1cyclictest28-21ksoftirqd/200:10:112
34619997,1cyclictest28-21ksoftirqd/223:35:172
34619997,1cyclictest28-21ksoftirqd/223:24:592
34619997,1cyclictest28-21ksoftirqd/222:55:142
34619997,1cyclictest28-21ksoftirqd/222:55:142
34619997,1cyclictest28-21ksoftirqd/222:10:142
34619992,7cyclictest28-21ksoftirqd/219:25:192
34449999,0cyclictest0-21swapper/020:07:050
34449998,1cyclictest9-21ksoftirqd/022:20:140
34449998,1cyclictest9-21ksoftirqd/000:20:000
34449997,1cyclictest9-21ksoftirqd/021:00:130
34449997,1cyclictest9-21ksoftirqd/020:15:160
34449997,1cyclictest9-21ksoftirqd/019:55:010
34449997,1cyclictest9-21ksoftirqd/000:25:150
34449992,6cyclictest16754-21ls20:45:000
34449991,1cyclictest9511-21ssh22:08:190
34669987,1cyclictest35-21ksoftirqd/321:10:183
34669987,1cyclictest35-21ksoftirqd/321:10:003
34669987,1cyclictest35-21ksoftirqd/320:45:013
34669981,4cyclictest10960-21taskset21:27:033
34619988,0cyclictest28-21ksoftirqd/222:25:142
34619987,1cyclictest28-21ksoftirqd/222:45:112
34619987,1cyclictest28-21ksoftirqd/222:07:392
34619987,1cyclictest28-21ksoftirqd/220:50:002
34619987,1cyclictest28-21ksoftirqd/220:25:172
34619987,1cyclictest28-21ksoftirqd/220:10:112
34619987,1cyclictest28-21ksoftirqd/219:15:022
34619987,1cyclictest28-21ksoftirqd/200:25:112
34619986,1cyclictest61650irq/122-eno121:45:212
34619986,1cyclictest28-21ksoftirqd/222:31:192
34619986,1cyclictest28-21ksoftirqd/221:30:082
34619986,1cyclictest28-21ksoftirqd/220:20:122
34619983,4cyclictest28-21ksoftirqd/223:40:102
34509984,0cyclictest0-21swapper/122:45:381
34509980,3cyclictest0-21swapper/122:39:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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