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2025-11-23 - 09:19
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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 Sun Nov 23, 2025 00:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122501130irq/42-ahci0-21swapper/119:09:431
122501130irq/42-ahci0-21swapper/119:09:431
20511210892sleep70-21swapper/719:07:429
20511210892sleep70-21swapper/719:07:429
20508210895sleep40-21swapper/419:07:396
20508210895sleep40-21swapper/419:07:396
20402210290sleep50-21swapper/519:06:167
20402210290sleep50-21swapper/519:06:167
3066350960irq/52-eth0-rx-0-21swapper/219:09:274
3066350960irq/52-eth0-rx-0-21swapper/219:09:274
12250920irq/42-ahci0-21swapper/319:08:265
12250920irq/42-ahci0-21swapper/319:08:265
2071829186sleep100-21swapper/1019:09:452
2071829186sleep100-21swapper/1019:09:452
1977227263sleep90-21swapper/919:05:3211
1977227263sleep90-21swapper/919:05:3211
2051726763sleep00-21swapper/019:07:470
2051726763sleep00-21swapper/019:07:460
3066350630irq/52-eth0-rx-0-21swapper/1119:06:123
3066350630irq/52-eth0-rx-0-21swapper/1119:06:123
2049625955sleep80-21swapper/819:07:3110
2049625955sleep80-21swapper/819:07:3110
2043625955sleep60-21swapper/619:06:418
2043625955sleep60-21swapper/619:06:418
2084199470cyclictest0-21swapper/022:24:410
20883994229cyclictest901ksoftirqd/1122:24:043
2088399360cyclictest0-21swapper/1122:26:383
2088399350cyclictest0-21swapper/1122:09:473
2088399350cyclictest0-21swapper/1122:09:473
2088399320cyclictest0-21swapper/1122:10:293
2088399320cyclictest0-21swapper/1122:10:293
2084199310cyclictest0-21swapper/022:25:590
2084199310cyclictest0-21swapper/022:10:400
2084199310cyclictest0-21swapper/022:10:390
20883992813cyclictest901ksoftirqd/1121:10:003
20883992726cyclictest0-21swapper/1122:16:053
20883992726cyclictest0-21swapper/1122:16:053
2084199234cyclictest0-21swapper/020:05:010
20883992019cyclictest901ksoftirqd/1119:20:463
2084199206cyclictest0-21swapper/021:22:510
20883991817cyclictest13573-21kworker/11:119:17:163
2088299181cyclictest831ksoftirqd/1019:30:172
2088299181cyclictest12250irq/42-ahci22:47:412
2088199181cyclictest0-21swapper/919:15:1911
20880991816cyclictest9040-21yum21:45:3810
20880991816cyclictest7720-21snmp_rack3slot922:30:1410
20880991816cyclictest7720-21snmp_rack3slot922:30:1410
20880991816cyclictest628-21snmp_rack3slot922:20:1710
20880991816cyclictest4953-21snmp_rack3slot920:56:2710
20880991816cyclictest3202-21snmp_easybox.os19:25:2610
20880991816cyclictest23757-21ntp_states23:35:2410
20880991816cyclictest18534-21diskstats22:45:1410
20880991816cyclictest17512-21snmp_rack3slot920:30:1610
20880991816cyclictest17244-21snmp_easybox.os22:00:1210
20880991816cyclictest14088-21snmp_rack3slot900:06:3710
20869991816cyclictest25301-21sensors19:15:146
2084199180cyclictest0-21swapper/019:16:280
2088399170cyclictest0-21swapper/1121:20:323
2088399170cyclictest0-21swapper/1119:25:563
20882991716cyclictest10544-1kworker/10:2H22:30:012
20882991716cyclictest10544-1kworker/10:2H22:30:012
2088299170cyclictest92792sleep1021:48:512
2088299170cyclictest87982sleep1021:03:452
2088299170cyclictest831ksoftirqd/1022:04:162
2088299170cyclictest67472sleep1023:56:062
2088299170cyclictest61072sleep1020:15:162
2088299170cyclictest59762sleep1022:26:302
2088299170cyclictest55772sleep1021:43:032
2088299170cyclictest49282sleep1020:56:082
2088299170cyclictest44852sleep1020:10:392
2088299170cyclictest40512sleep1019:26:342
2088299170cyclictest36192sleep1000:37:332
2088299170cyclictest35662sleep1023:10:132
2088299170cyclictest323442sleep1023:05:112
2088299170cyclictest318562sleep1023:46:272
2088299170cyclictest315222sleep1019:20:212
2088299170cyclictest314942sleep1023:01:232
2088299170cyclictest31062sleep1023:51:042
2088299170cyclictest310152chrt00:30:202
2088299170cyclictest3066450irq/53-eth0-tx-23:40:322
2088299170cyclictest3066350irq/52-eth0-rx-22:23:182
2088299170cyclictest3066350irq/52-eth0-rx-21:20:272
2088299170cyclictest3066350irq/52-eth0-rx-21:15:292
2088299170cyclictest3066350irq/52-eth0-rx-20:08:522
2088299170cyclictest304132sleep1022:15:292
2088299170cyclictest304132sleep1022:15:292
2088299170cyclictest302442sleep1020:49:202
2088299170cyclictest296962sleep1021:30:242
2088299170cyclictest294812sleep1020:00:502
2088299170cyclictest291202sleep1019:16:332
2088299170cyclictest277822sleep1022:55:572
2088299170cyclictest274392sleep1022:11:532
2088299170cyclictest274392sleep1022:11:532
2088299170cyclictest273712chrt00:25:202
2088299170cyclictest259912sleep1019:57:502
2088299170cyclictest250312sleep1020:40:182
2088299170cyclictest250002sleep1000:21:322
2088299170cyclictest246562sleep1023:37:152
2088299170cyclictest236952sleep1022:06:172
2088299170cyclictest236952sleep1022:06:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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