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2026-04-23 - 03:03
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot3.osadl.org (updated Thu Apr 23, 2026 00:46:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32541210993sleep00-21swapper/019:07:440
128501050irq/42-ahci0-21swapper/219:08:454
9918501040irq/53-eth0-rx-0-21swapper/119:08:541
32550210392sleep60-21swapper/619:07:508
128501010irq/42-ahci0-21swapper/719:09:099
32446210089sleep90-21swapper/919:06:2911
991850960irq/53-eth0-rx-0-21swapper/319:05:495
991850950irq/53-eth0-rx-0-21swapper/819:08:5210
991850930irq/53-eth0-rx-0-21swapper/1019:06:152
991950910irq/54-eth0-tx-0-21swapper/419:05:196
991850890irq/53-eth0-rx-0-21swapper/1119:07:243
991850880irq/53-eth0-rx-0-21swapper/519:05:317
446993818cyclictest0-21swapper/1120:08:433
446992827cyclictest12850irq/42-ahci19:10:013
404992315cyclictest0-21swapper/020:08:420
404992221cyclictest0-21swapper/020:13:580
40499221cyclictest0-21swapper/023:30:180
404992114cyclictest991850irq/53-eth0-rx-21:11:160
404992111cyclictest991850irq/53-eth0-rx-22:17:210
40499210cyclictest0-21swapper/019:23:550
446991917cyclictest24770-21chrt21:09:433
44599192cyclictest991850irq/53-eth0-rx-22:24:352
44599192cyclictest991850irq/53-eth0-rx-21:25:342
44499192cyclictest761ksoftirqd/923:32:0211
44499192cyclictest761ksoftirqd/921:50:0111
44499192cyclictest0-21swapper/922:59:3811
44499192cyclictest0-21swapper/922:59:3811
44499192cyclictest0-21swapper/921:55:4911
40499193cyclictest0-21swapper/022:55:170
40499193cyclictest0-21swapper/022:55:160
445991817cyclictest0-21swapper/1022:36:022
445991817cyclictest0-21swapper/1021:50:012
445991817cyclictest0-21swapper/1000:03:092
44599181cyclictest991950irq/54-eth0-tx-23:13:452
44599181cyclictest991950irq/54-eth0-tx-23:13:442
44599181cyclictest991950irq/54-eth0-tx-23:06:592
44599181cyclictest991950irq/54-eth0-tx-23:06:592
44599181cyclictest991950irq/54-eth0-tx-00:14:232
44599181cyclictest991850irq/53-eth0-rx-23:56:222
44599181cyclictest991850irq/53-eth0-rx-23:52:042
44599181cyclictest991850irq/53-eth0-rx-23:48:342
44599181cyclictest991850irq/53-eth0-rx-23:38:012
44599181cyclictest991850irq/53-eth0-rx-23:15:192
44599181cyclictest991850irq/53-eth0-rx-23:15:192
44599181cyclictest991850irq/53-eth0-rx-22:57:512
44599181cyclictest991850irq/53-eth0-rx-22:57:512
44599181cyclictest991850irq/53-eth0-rx-22:43:292
44599181cyclictest991850irq/53-eth0-rx-22:26:472
44599181cyclictest991850irq/53-eth0-rx-22:17:582
44599181cyclictest991850irq/53-eth0-rx-22:05:102
44599181cyclictest991850irq/53-eth0-rx-21:47:542
44599181cyclictest991850irq/53-eth0-rx-21:30:452
44599181cyclictest991850irq/53-eth0-rx-21:22:012
44599181cyclictest991850irq/53-eth0-rx-21:15:202
44599181cyclictest991850irq/53-eth0-rx-19:38:222
44599181cyclictest991850irq/53-eth0-rx-19:38:222
44599181cyclictest63912chrt20:44:052
44599181cyclictest12850irq/42-ahci21:13:272
44599181cyclictest12850irq/42-ahci20:35:222
44499181cyclictest761ksoftirqd/922:25:0711
44499181cyclictest761ksoftirqd/920:40:1611
44499181cyclictest3013-21kworker/9:220:17:1011
44499181cyclictest20787-21sed00:35:1511
44499181cyclictest14551-21latency_hist00:05:0211
44499181cyclictest12634-21diskstats23:10:1311
44499181cyclictest12634-21diskstats23:10:1211
44499181cyclictest0-21swapper/923:55:0211
44499181cyclictest0-21swapper/923:50:5011
44499181cyclictest0-21swapper/923:45:2011
44499181cyclictest0-21swapper/923:40:0211
44499181cyclictest0-21swapper/923:35:2611
44499181cyclictest0-21swapper/923:25:1711
44499181cyclictest0-21swapper/923:20:3011
44499181cyclictest0-21swapper/923:15:0711
44499181cyclictest0-21swapper/923:15:0611
44499181cyclictest0-21swapper/923:05:0211
44499181cyclictest0-21swapper/923:05:0211
44499181cyclictest0-21swapper/923:00:2911
44499181cyclictest0-21swapper/922:50:1611
44499181cyclictest0-21swapper/922:45:1811
44499181cyclictest0-21swapper/922:45:1711
44499181cyclictest0-21swapper/922:40:2211
44499181cyclictest0-21swapper/922:35:2711
44499181cyclictest0-21swapper/922:30:3311
44499181cyclictest0-21swapper/922:21:1011
44499181cyclictest0-21swapper/922:15:0511
44499181cyclictest0-21swapper/922:10:1311
44499181cyclictest0-21swapper/922:05:0511
44499181cyclictest0-21swapper/922:00:0811
44499181cyclictest0-21swapper/921:50:0611
44499181cyclictest0-21swapper/921:41:0811
44499181cyclictest0-21swapper/921:35:1811
44499181cyclictest0-21swapper/921:30:5511
44499181cyclictest0-21swapper/921:26:0811
44499181cyclictest0-21swapper/921:20:0211
44499181cyclictest0-21swapper/921:15:4811
44499181cyclictest0-21swapper/921:10:4311
44499181cyclictest0-21swapper/921:05:1711
44499181cyclictest0-21swapper/921:00:2911
44499181cyclictest0-21swapper/920:55:0711
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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