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2026-06-25 - 12:29
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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 Jun 25, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
148162211171,26sleep20-21swapper/219:05:262
149482207157,24sleep00-21swapper/019:07:080
149662201160,26sleep30-21swapper/319:07:233
149192199162,24sleep10-21swapper/119:06:461
267882720,0sleep20-21swapper/221:33:052
199782170,0sleep00-21swapper/020:25:100
15270991716,1cyclictest28-21ksoftirqd/220:35:192
15270991615,1cyclictest28-21ksoftirqd/221:38:122
15270991615,1cyclictest28-21ksoftirqd/219:20:112
15270991614,1cyclictest28-21ksoftirqd/219:15:142
327002150,0sleep231544-21/usr/sbin/munin21:40:182
15270991515,0cyclictest28-21ksoftirqd/220:10:122
15270991514,1cyclictest28-21ksoftirqd/221:05:142
15270991514,1cyclictest28-21ksoftirqd/219:30:132
15270991414,0cyclictest28-21ksoftirqd/223:14:082
15270991413,1cyclictest28-21ksoftirqd/223:02:202
15270991413,1cyclictest28-21ksoftirqd/222:51:542
15270991413,1cyclictest28-21ksoftirqd/220:05:172
15270991413,0cyclictest28-21ksoftirqd/200:10:132
15270991412,1cyclictest28-21ksoftirqd/220:20:012
1527099140,13cyclictest0-21swapper/219:25:172
1526299140,13cyclictest0-21swapper/119:25:111
15270991313,0cyclictest28-21ksoftirqd/223:20:172
15270991313,0cyclictest28-21ksoftirqd/222:14:302
15270991312,1cyclictest28-21ksoftirqd/223:47:072
15270991312,1cyclictest28-21ksoftirqd/223:34:202
15270991312,1cyclictest28-21ksoftirqd/222:20:002
15270991312,1cyclictest28-21ksoftirqd/221:25:112
15270991312,1cyclictest28-21ksoftirqd/221:20:132
15270991312,1cyclictest28-21ksoftirqd/219:50:192
15270991311,1cyclictest28-21ksoftirqd/223:45:002
15270991311,1cyclictest28-21ksoftirqd/222:34:592
15270991311,1cyclictest28-21ksoftirqd/220:35:012
15270991311,1cyclictest28-21ksoftirqd/200:05:102
15270991311,1cyclictest28-21ksoftirqd/200:00:002
15254991312,1cyclictest9-21ksoftirqd/023:55:010
91182120,0sleep30-21swapper/321:53:043
15278991210,1cyclictest35-21ksoftirqd/323:40:003
1527099129,2cyclictest28-21ksoftirqd/200:39:592
1527099127,4cyclictest28-21ksoftirqd/223:25:112
15270991212,0cyclictest28-21ksoftirqd/222:55:392
15270991212,0cyclictest28-21ksoftirqd/222:40:042
15270991212,0cyclictest28-21ksoftirqd/200:24:062
15270991212,0cyclictest28-21ksoftirqd/200:24:062
15270991211,1cyclictest28-21ksoftirqd/223:50:112
15270991211,1cyclictest28-21ksoftirqd/222:00:202
15270991211,1cyclictest28-21ksoftirqd/221:55:132
15270991211,1cyclictest28-21ksoftirqd/221:15:132
15270991211,1cyclictest28-21ksoftirqd/220:00:132
15270991211,1cyclictest28-21ksoftirqd/219:55:172
15270991211,1cyclictest28-21ksoftirqd/219:15:012
15270991210,1cyclictest28-21ksoftirqd/223:15:112
15270991210,1cyclictest28-21ksoftirqd/223:05:142
15270991210,1cyclictest28-21ksoftirqd/222:25:152
15270991210,1cyclictest28-21ksoftirqd/222:25:002
15270991210,1cyclictest28-21ksoftirqd/221:50:182
15270991210,1cyclictest28-21ksoftirqd/221:05:002
15270991210,1cyclictest28-21ksoftirqd/220:45:002
15270991210,1cyclictest28-21ksoftirqd/220:25:002
15270991210,1cyclictest28-21ksoftirqd/219:50:002
15270991210,1cyclictest28-21ksoftirqd/219:40:012
15270991210,1cyclictest28-21ksoftirqd/200:30:012
15270991210,1cyclictest28-21ksoftirqd/200:15:112
15270991210,1cyclictest28-21ksoftirqd/200:00:162
1527099119,1cyclictest28-21ksoftirqd/222:10:002
1527099119,1cyclictest28-21ksoftirqd/221:10:132
1527099119,1cyclictest28-21ksoftirqd/220:45:212
1527099119,1cyclictest28-21ksoftirqd/220:25:012
1527099119,1cyclictest28-21ksoftirqd/219:40:132
1527099119,1cyclictest28-21ksoftirqd/200:30:002
15270991111,0cyclictest28-21ksoftirqd/222:45:102
15270991110,1cyclictest28-21ksoftirqd/222:38:492
15270991110,1cyclictest28-21ksoftirqd/221:49:592
15270991110,1cyclictest28-21ksoftirqd/220:55:122
1527099110,10cyclictest0-21swapper/223:35:172
15262991110,1cyclictest0-21swapper/122:27:281
1525499113,4cyclictest21198-21kworker/0:000:10:000
1527899109,1cyclictest35-21ksoftirqd/322:30:003
1527099108,1cyclictest28-21ksoftirqd/220:55:002
1525499109,1cyclictest9-21ksoftirqd/023:30:000
1525499109,1cyclictest9-21ksoftirqd/021:10:200
1525499109,1cyclictest9-21ksoftirqd/020:45:000
1525499109,1cyclictest9-21ksoftirqd/019:55:000
1525499109,0cyclictest9-21ksoftirqd/000:20:160
1525499109,0cyclictest9-21ksoftirqd/000:20:150
1525499108,1cyclictest9-21ksoftirqd/022:05:110
1525499102,4cyclictest23051-21perf19:25:000
1525499102,4cyclictest15171-21ssh00:15:000
1525499101,4cyclictest21406-21grep22:55:000
152789993,5cyclictest30246-21/usr/sbin/munin00:35:143
152549998,1cyclictest9-21ksoftirqd/023:45:110
152549998,1cyclictest9-21ksoftirqd/023:05:000
152549998,1cyclictest9-21ksoftirqd/021:15:160
152549998,1cyclictest9-21ksoftirqd/019:15:010
152549998,1cyclictest9-21ksoftirqd/000:35:140
152549998,1cyclictest9-21ksoftirqd/000:25:170
152549997,1cyclictest9-21ksoftirqd/019:10:130
152549991,7cyclictest22249-21sh21:26:210
152789987,1cyclictest35-21ksoftirqd/321:00:003
152789987,1cyclictest35-21ksoftirqd/319:35:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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