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2026-07-30 - 08:46
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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 Jul 30, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
292702204158,32sleep10-21swapper/119:05:481
292702204158,32sleep10-21swapper/119:05:481
292992203157,31sleep00-21swapper/019:06:120
292992203157,31sleep00-21swapper/019:06:120
293592201162,25sleep30-21swapper/319:06:593
293592201162,25sleep30-21swapper/319:06:593
292962200160,26sleep20-21swapper/219:06:102
292962200160,26sleep20-21swapper/219:06:102
29711992119,1cyclictest35-21ksoftirqd/322:35:153
176412210,0sleep20-21swapper/222:30:482
29711991919,0cyclictest35-21ksoftirqd/322:10:123
307582180,1sleep228-21ksoftirqd/221:20:142
29711991818,0cyclictest35-21ksoftirqd/319:35:183
29711991817,1cyclictest35-21ksoftirqd/320:30:003
2971199179,7cyclictest35-21ksoftirqd/321:15:123
29711991717,0cyclictest35-21ksoftirqd/300:16:483
2971199168,4cyclictest35-21ksoftirqd/321:46:343
63122150,0sleep00-21swapper/000:33:490
29711991515,0cyclictest35-21ksoftirqd/323:41:123
29711991515,0cyclictest35-21ksoftirqd/322:06:563
29711991515,0cyclictest35-21ksoftirqd/321:24:143
2971199148,2cyclictest35-21ksoftirqd/321:35:113
29711991414,0cyclictest35-21ksoftirqd/322:02:463
29711991414,0cyclictest35-21ksoftirqd/320:20:113
29711991412,1cyclictest35-21ksoftirqd/322:50:163
29711991412,1cyclictest35-21ksoftirqd/322:00:003
29711991412,1cyclictest35-21ksoftirqd/300:00:003
2971199135,0cyclictest28088-21ssh22:45:223
29711991313,0cyclictest35-21ksoftirqd/321:44:463
29711991313,0cyclictest35-21ksoftirqd/321:30:463
29711991313,0cyclictest35-21ksoftirqd/321:13:453
29711991313,0cyclictest35-21ksoftirqd/300:07:093
29711991313,0cyclictest35-21ksoftirqd/300:04:393
29711991312,1cyclictest35-21ksoftirqd/322:20:003
29711991312,1cyclictest35-21ksoftirqd/321:30:003
29711991312,1cyclictest35-21ksoftirqd/319:12:223
29711991311,1cyclictest35-21ksoftirqd/322:40:193
29711991311,1cyclictest35-21ksoftirqd/320:35:003
29711991311,1cyclictest35-21ksoftirqd/300:35:163
2971199129,3cyclictest35-21ksoftirqd/320:40:003
2971199126,4cyclictest35-21ksoftirqd/320:05:133
2971199124,8cyclictest35-21ksoftirqd/320:45:383
2971199123,8cyclictest35-21ksoftirqd/321:09:543
29711991212,0cyclictest35-21ksoftirqd/322:32:523
29711991212,0cyclictest35-21ksoftirqd/321:52:133
29711991212,0cyclictest35-21ksoftirqd/300:33:033
29711991212,0cyclictest35-21ksoftirqd/300:21:123
29711991211,1cyclictest35-21ksoftirqd/322:20:163
29711991211,1cyclictest35-21ksoftirqd/321:00:003
29711991211,1cyclictest35-21ksoftirqd/319:25:003
29711991211,1cyclictest35-21ksoftirqd/319:20:013
29711991210,1cyclictest35-21ksoftirqd/323:50:163
29711991210,1cyclictest35-21ksoftirqd/323:30:103
29711991210,1cyclictest35-21ksoftirqd/323:25:163
29711991210,1cyclictest35-21ksoftirqd/323:10:183
29711991210,1cyclictest35-21ksoftirqd/323:10:003
29711991210,1cyclictest35-21ksoftirqd/323:00:213
29711991210,1cyclictest35-21ksoftirqd/322:25:133
29711991210,1cyclictest35-21ksoftirqd/300:25:193
2971199119,1cyclictest35-21ksoftirqd/321:00:143
2971199119,1cyclictest35-21ksoftirqd/320:00:143
2971199119,1cyclictest35-21ksoftirqd/320:00:003
2971199119,1cyclictest35-21ksoftirqd/300:10:153
29711991111,0cyclictest35-21ksoftirqd/323:45:173
29711991111,0cyclictest35-21ksoftirqd/323:35:233
29711991111,0cyclictest35-21ksoftirqd/323:20:073
29711991110,1cyclictest35-21ksoftirqd/323:15:123
29711991110,1cyclictest35-21ksoftirqd/322:55:163
29711991110,1cyclictest35-21ksoftirqd/320:55:003
29711991110,1cyclictest35-21ksoftirqd/320:20:013
29711991110,1cyclictest35-21ksoftirqd/319:55:003
29711991110,1cyclictest35-21ksoftirqd/319:35:003
2970399119,1cyclictest28-21ksoftirqd/221:00:112
2970399110,0cyclictest22779-21diskmemload21:50:142
2971199109,1cyclictest35-21ksoftirqd/319:45:123
2971199109,1cyclictest35-21ksoftirqd/319:40:153
2971199109,1cyclictest35-21ksoftirqd/319:25:133
2971199108,1cyclictest35-21ksoftirqd/320:40:143
2971199108,1cyclictest35-21ksoftirqd/320:10:143
2970399108,1cyclictest28-21ksoftirqd/219:57:452
297039998,1cyclictest61650irq/122-eno123:05:002
297039998,1cyclictest20986-21sh00:08:262
297039990,6cyclictest18016-21kworker/2:221:49:582
297039990,5cyclictest5084-21apt-get21:30:112
297039990,4cyclictest0-21swapper/221:40:122
296909997,1cyclictest9-21ksoftirqd/020:00:000
296909994,1cyclictest1337-21/usr/sbin/munin21:25:140
296909992,6cyclictest32038-21munin-node21:12:170
296909992,6cyclictest16094-21sh21:45:130
297039986,1cyclictest61650irq/122-eno123:15:112
297039986,1cyclictest61650irq/122-eno122:25:202
297039986,1cyclictest61650irq/122-eno122:02:362
297039986,1cyclictest61650irq/122-eno120:50:112
297039986,1cyclictest61650irq/122-eno100:30:142
297039986,1cyclictest61650irq/122-eno100:00:162
297039986,1cyclictest28-21ksoftirqd/221:35:282
297039986,1cyclictest22398-21aten_r1power_po23:25:112
297039986,1cyclictest11301-21snmpd23:14:362
297039986,1cyclictest11301-21snmpd22:09:552
297039986,1cyclictest11301-21snmpd20:27:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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