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2026-04-11 - 06:12
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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 Sat Apr 11, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26922231159,25sleep20-21swapper/219:08:072
25122209157,26sleep30-21swapper/319:05:463
28162205149,22sleep10-21swapper/119:09:441
26902200158,29sleep00-21swapper/019:08:050
219412600,0sleep20-21swapper/221:41:372
255112170,0sleep10-21swapper/100:35:141
184252170,0sleep20-21swapper/221:37:332
209602150,1sleep220959-21date20:55:002
2966991410,1cyclictest28-21ksoftirqd/222:49:402
2966991312,1cyclictest28-21ksoftirqd/223:25:172
2966991312,1cyclictest28-21ksoftirqd/223:02:392
2946991311,1cyclictest9-21ksoftirqd/021:00:000
2966991210,1cyclictest28-21ksoftirqd/220:10:002
2946991211,1cyclictest9-21ksoftirqd/000:35:000
261222120,1sleep121-21ksoftirqd/119:55:161
297499110,10cyclictest0-21swapper/323:59:303
296699119,1cyclictest28-21ksoftirqd/221:55:192
296699119,1cyclictest28-21ksoftirqd/200:30:122
296699116,4cyclictest28-21ksoftirqd/221:10:002
2966991111,0cyclictest28-21ksoftirqd/222:20:212
2966991110,1cyclictest28-21ksoftirqd/223:05:202
2966991110,1cyclictest28-21ksoftirqd/222:55:182
2966991110,1cyclictest28-21ksoftirqd/222:20:012
2966991110,1cyclictest28-21ksoftirqd/219:25:002
2966991110,1cyclictest28-21ksoftirqd/200:16:522
2966991110,1cyclictest28-21ksoftirqd/200:06:492
297499101,5cyclictest4158-1kworker/3:2H22:36:263
296699109,1cyclictest28-21ksoftirqd/223:30:132
296699109,1cyclictest28-21ksoftirqd/222:10:202
296699108,1cyclictest28-21ksoftirqd/220:25:012
296699108,1cyclictest28-21ksoftirqd/200:40:002
2958991010,0cyclictest0-21swapper/122:59:141
294699108,1cyclictest9-21ksoftirqd/023:50:010
294699108,1cyclictest9-21ksoftirqd/022:29:590
294699108,1cyclictest9-21ksoftirqd/020:20:000
294699107,1cyclictest9-21ksoftirqd/020:04:590
294699102,4cyclictest20614-21perf00:30:000
152842100,7sleep335-21ksoftirqd/322:58:133
29749997,1cyclictest0-21swapper/323:31:193
29669999,0cyclictest28-21ksoftirqd/223:59:452
29669998,1cyclictest28-21ksoftirqd/223:15:112
29669998,1cyclictest28-21ksoftirqd/222:40:002
29669998,1cyclictest28-21ksoftirqd/222:30:152
29669998,1cyclictest28-21ksoftirqd/221:30:172
29669998,1cyclictest28-21ksoftirqd/219:40:142
29669998,1cyclictest28-21ksoftirqd/219:20:002
29669997,1cyclictest28-21ksoftirqd/223:50:142
29669997,1cyclictest28-21ksoftirqd/222:40:002
29669994,4cyclictest5281-21munin-node22:04:012
29669990,8cyclictest0-21swapper/220:57:212
29469998,1cyclictest9-21ksoftirqd/019:45:000
29469996,2cyclictest6253-21aten_r1power_fr19:15:140
9378280,0sleep20-21swapper/222:08:142
32290280,0sleep30-21swapper/300:01:423
29749987,1cyclictest27017-21ssh23:13:563
29749980,4cyclictest0-21swapper/323:40:093
29749980,2cyclictest0-21swapper/322:20:123
29669988,0cyclictest28-21ksoftirqd/223:41:242
29669988,0cyclictest28-21ksoftirqd/221:51:032
29669988,0cyclictest28-21ksoftirqd/221:45:212
29669988,0cyclictest28-21ksoftirqd/221:25:212
29669987,1cyclictest28-21ksoftirqd/221:15:122
29669987,1cyclictest28-21ksoftirqd/221:10:162
29669987,1cyclictest28-21ksoftirqd/200:15:012
29669986,1cyclictest28-21ksoftirqd/222:54:222
29669986,1cyclictest28-21ksoftirqd/222:25:182
29669986,1cyclictest28-21ksoftirqd/221:20:352
29669986,1cyclictest28-21ksoftirqd/220:45:002
29669986,1cyclictest28-21ksoftirqd/220:20:012
29669986,1cyclictest28-21ksoftirqd/200:20:142
29669986,1cyclictest28-21ksoftirqd/200:02:332
29669982,3cyclictest61650irq/122-eno120:35:152
29669980,5cyclictest28-21ksoftirqd/223:35:102
29669980,3cyclictest25326-21sensors_temp23:10:192
29589981,5cyclictest0-21swapper/100:25:141
29589980,2cyclictest0-21swapper/123:25:111
29469987,1cyclictest9-21ksoftirqd/022:30:140
29469987,1cyclictest9-21ksoftirqd/020:15:000
29469987,1cyclictest7102-21ssh22:05:130
29469986,1cyclictest9-21ksoftirqd/020:25:010
29469986,1cyclictest733-21sshd21:01:390
29469986,1cyclictest693-21runrttasks00:01:130
29469985,1cyclictest240-21systemd-journal21:45:190
29469985,0cyclictest27989-21diskmemload22:48:150
29469981,6cyclictest4669-21ssh22:00:470
29469980,5cyclictest3218-21ssh22:41:230
29469980,4cyclictest21554-21perf22:25:000
29469980,1cyclictest0-21swapper/023:05:000
16217280,1sleep016207-21perf20:45:000
11968280,0sleep10-21swapper/100:17:261
29749976,1cyclictest35-21ksoftirqd/319:49:593
29749974,1cyclictest240-21systemd-journal22:50:213
29749972,4cyclictest27989-21diskmemload00:11:293
29749972,1cyclictest17331-21diskmemload22:19:073
29749971,4cyclictest0-21swapper/323:45:133
29749971,3cyclictest32360-21ssh21:15:123
29749970,5cyclictest0-21swapper/321:28:313
29749970,4cyclictest27989-21diskmemload22:05:183
29749970,4cyclictest25522-21/usr/sbin/munin00:35:153
29669976,1cyclictest61650irq/122-eno123:20:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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