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2026-05-07 - 11:47
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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 May 07, 2026 00:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
205852209157,26sleep30-21swapper/319:05:023
205852209157,26sleep30-21swapper/319:05:013
225062206156,24sleep00-21swapper/019:07:290
225062206156,24sleep00-21swapper/019:07:280
224882201160,27sleep20-21swapper/219:07:132
224882201160,27sleep20-21swapper/219:07:132
224102198159,26sleep10-21swapper/119:06:131
224102198159,26sleep10-21swapper/119:06:121
221132670,0sleep00-21swapper/022:41:540
122822620,0sleep30-21swapper/323:55:153
22799991615,1cyclictest28-21ksoftirqd/223:32:182
200062160,0sleep00-21swapper/000:05:140
2279999147,4cyclictest28-21ksoftirqd/200:11:222
253742130,0sleep30-21swapper/320:20:163
22799991313,0cyclictest28-21ksoftirqd/222:19:592
22799991313,0cyclictest28-21ksoftirqd/221:16:202
22799991312,1cyclictest28-21ksoftirqd/223:47:192
22799991212,0cyclictest28-21ksoftirqd/222:47:162
22799991212,0cyclictest28-21ksoftirqd/222:47:162
22799991211,1cyclictest28-21ksoftirqd/222:05:322
22799991210,1cyclictest28-21ksoftirqd/219:24:592
22799991210,1cyclictest28-21ksoftirqd/200:40:002
2279999120,0cyclictest0-21swapper/221:46:082
2280799110,8cyclictest0-21swapper/300:38:493
22799991110,1cyclictest28-21ksoftirqd/221:34:082
22799991110,1cyclictest28-21ksoftirqd/219:15:012
2279499111,4cyclictest15430-21diskmemload22:25:120
2280799109,1cyclictest35-21ksoftirqd/320:34:593
2280799109,1cyclictest35-21ksoftirqd/319:15:003
2279999109,1cyclictest28-21ksoftirqd/222:37:202
2279999109,1cyclictest28-21ksoftirqd/221:40:012
2279999109,1cyclictest28-21ksoftirqd/221:27:482
2279999109,1cyclictest28-21ksoftirqd/220:55:002
2279999109,1cyclictest28-21ksoftirqd/220:00:192
2279999109,1cyclictest28-21ksoftirqd/200:20:002
2279999108,1cyclictest28-21ksoftirqd/223:20:122
2279999108,1cyclictest28-21ksoftirqd/222:10:102
2279999108,1cyclictest28-21ksoftirqd/222:00:192
228079999,0cyclictest35-21ksoftirqd/321:45:123
228079992,6cyclictest21235-21timerwakeupswit21:15:213
228079991,3cyclictest0-21swapper/319:45:183
227999998,1cyclictest28-21ksoftirqd/223:25:122
227999998,1cyclictest28-21ksoftirqd/223:15:202
227999998,1cyclictest28-21ksoftirqd/221:50:042
227999998,1cyclictest28-21ksoftirqd/221:20:132
227999998,1cyclictest271rcuc/220:55:152
227999997,1cyclictest28-21ksoftirqd/221:40:132
227999997,1cyclictest28-21ksoftirqd/221:00:172
227999990,7cyclictest441-21awk19:30:002
227949992,4cyclictest0-21swapper/021:10:170
228079986,1cyclictest30048-21ntp_kernel_pll_23:35:163
228079984,2cyclictest240-21systemd-journal21:15:013
228079983,2cyclictest1259-21cut19:30:153
228079982,4cyclictest0-21swapper/323:10:173
228079981,5cyclictest2637-21kworker/u8:023:08:423
227999988,0cyclictest28-21ksoftirqd/222:50:132
227999988,0cyclictest28-21ksoftirqd/200:30:142
227999988,0cyclictest28-21ksoftirqd/200:00:182
227999987,1cyclictest28-21ksoftirqd/223:55:112
227999987,1cyclictest28-21ksoftirqd/223:10:042
227999987,1cyclictest28-21ksoftirqd/223:08:282
227999987,1cyclictest28-21ksoftirqd/223:00:072
227999987,1cyclictest28-21ksoftirqd/222:43:012
227999987,1cyclictest28-21ksoftirqd/222:26:202
227999987,1cyclictest28-21ksoftirqd/222:20:152
227999987,1cyclictest28-21ksoftirqd/200:05:012
227999986,1cyclictest61650irq/122-eno122:30:112
227999986,1cyclictest61650irq/122-eno121:10:142
227999986,1cyclictest28-21ksoftirqd/223:50:142
227999986,1cyclictest28-21ksoftirqd/223:39:122
227999986,1cyclictest28-21ksoftirqd/220:34:592
227999986,1cyclictest28-21ksoftirqd/219:45:102
227989981,4cyclictest0-21swapper/119:45:111
227989980,5cyclictest0-21swapper/119:40:111
227949986,1cyclictest1508-21ssh21:31:330
227949983,4cyclictest0-21swapper/020:45:170
227949981,6cyclictest25473-21ssh23:30:140
227949980,7cyclictest8587-21ssh00:33:380
227949980,6cyclictest0-21swapper/022:56:300
228079976,1cyclictest29302-21cat19:20:153
228079976,1cyclictest13379-21cat19:55:153
228079975,1cyclictest32286-21ssh22:12:503
228079973,3cyclictest561-21nscd21:32:593
228079973,2cyclictest240-21systemd-journal20:05:133
228079973,2cyclictest240-21systemd-journal19:38:433
228079971,4cyclictest26666-1kworker/u9:122:58:483
228079970,3cyclictest0-21swapper/323:25:013
228079970,1cyclictest32324-21ssh00:20:283
228079970,1cyclictest240-21systemd-journal23:45:333
227999977,0cyclictest28-21ksoftirqd/221:55:202
227999976,1cyclictest28-21ksoftirqd/222:55:212
227999976,1cyclictest28-21ksoftirqd/221:05:212
227999976,1cyclictest28-21ksoftirqd/220:45:152
227999976,1cyclictest28-21ksoftirqd/220:40:132
227999976,1cyclictest28-21ksoftirqd/220:20:162
227999976,1cyclictest28-21ksoftirqd/220:15:122
227999976,1cyclictest28-21ksoftirqd/219:55:102
227999976,1cyclictest28-21ksoftirqd/219:10:172
227999976,1cyclictest28-21ksoftirqd/200:25:162
227999976,1cyclictest28-21ksoftirqd/200:20:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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