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2026-07-09 - 21:19
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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 Thu Jul 09, 2026 12:46:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30549501050irq/53-eth0-rx-0-21swapper/107:09:421
122501050irq/42-ahci0-21swapper/207:08:254
3054950990irq/53-eth0-rx-0-21swapper/807:09:0310
2380929892sleep90-21swapper/907:09:5611
3054950950irq/53-eth0-rx-0-21swapper/707:07:569
3054950940irq/53-eth0-rx-0-21swapper/507:05:287
3054950940irq/53-eth0-rx-0-21swapper/307:08:375
12250880irq/42-ahci0-21swapper/407:05:576
2348728777sleep100-21swapper/1007:06:322
3054950840irq/53-eth0-rx-0-21swapper/1107:06:293
2183327163sleep60-21swapper/607:05:168
2345725955sleep00-21swapper/007:06:090
23961993821cyclictest0-21swapper/1109:11:103
23923993130cyclictest25957-21md0_resync07:21:131
23923993130cyclictest25957-21md0_resync07:21:131
23961993029cyclictest12250irq/42-ahci07:21:243
23961993029cyclictest12250irq/42-ahci07:21:243
23933992928cyclictest25957-21md0_resync07:21:144
23933992928cyclictest25957-21md0_resync07:21:144
23919992827cyclictest530-21md0_raid107:21:170
23919992827cyclictest530-21md0_raid107:21:160
23919992725cyclictest0-21swapper/010:26:500
23919992714cyclictest0-21swapper/009:13:150
23939992423cyclictest25957-21md0_resync07:21:285
23939992423cyclictest25957-21md0_resync07:21:275
2391999200cyclictest0-21swapper/009:46:250
2396099192cyclictest3054950irq/53-eth0-rx-10:53:332
2396099192cyclictest12250irq/42-ahci10:58:062
2396099192cyclictest12250irq/42-ahci10:02:472
2396099192cyclictest12250irq/42-ahci09:26:002
2395999194cyclictest0-21swapper/909:11:5611
2395999192cyclictest11158-21taskset07:34:4311
2395999192cyclictest0-21swapper/910:11:1111
23960991817cyclictest23198-21ntp_states11:50:222
23960991817cyclictest0-21swapper/1012:33:152
23960991817cyclictest0-21swapper/1011:01:352
23960991817cyclictest0-21swapper/1008:40:352
23960991817cyclictest0-21swapper/1007:20:032
23960991817cyclictest0-21swapper/1007:20:022
2396099181cyclictest3055050irq/54-eth0-tx-11:09:062
2396099181cyclictest3054950irq/53-eth0-rx-12:20:112
2396099181cyclictest3054950irq/53-eth0-rx-12:16:302
2396099181cyclictest3054950irq/53-eth0-rx-11:47:382
2396099181cyclictest3054950irq/53-eth0-rx-11:11:272
2396099181cyclictest12250irq/42-ahci12:38:272
2396099181cyclictest12250irq/42-ahci12:25:452
2396099181cyclictest12250irq/42-ahci12:11:372
2396099181cyclictest12250irq/42-ahci12:06:182
2396099181cyclictest12250irq/42-ahci11:59:012
2396099181cyclictest12250irq/42-ahci11:42:322
2396099181cyclictest12250irq/42-ahci11:35:592
2396099181cyclictest12250irq/42-ahci11:26:152
2396099181cyclictest12250irq/42-ahci11:15:302
2396099181cyclictest12250irq/42-ahci11:15:292
2396099181cyclictest12250irq/42-ahci10:45:452
2396099181cyclictest12250irq/42-ahci10:16:462
2396099181cyclictest12250irq/42-ahci10:10:152
2396099181cyclictest12250irq/42-ahci10:05:092
2396099181cyclictest12250irq/42-ahci09:59:182
2396099181cyclictest12250irq/42-ahci09:51:422
2396099181cyclictest12250irq/42-ahci09:43:082
2396099181cyclictest12250irq/42-ahci09:39:582
2396099181cyclictest12250irq/42-ahci09:20:302
2396099181cyclictest12250irq/42-ahci09:16:062
2396099181cyclictest12250irq/42-ahci08:45:412
2396099181cyclictest12250irq/42-ahci08:36:032
2396099181cyclictest12250irq/42-ahci08:33:072
2396099181cyclictest12250irq/42-ahci08:27:262
2396099181cyclictest12250irq/42-ahci08:22:282
2396099181cyclictest12250irq/42-ahci08:10:532
2396099181cyclictest12250irq/42-ahci08:09:082
2396099181cyclictest12250irq/42-ahci07:57:232
2396099181cyclictest12250irq/42-ahci07:50:002
2396099181cyclictest12250irq/42-ahci07:43:442
2396099181cyclictest12250irq/42-ahci07:35:182
2396099181cyclictest12250irq/42-ahci07:30:132
2396099181cyclictest12250irq/42-ahci07:26:262
2396099180cyclictest12250irq/42-ahci10:25:312
23959991816cyclictest14961-21ssh11:18:4911
23959991816cyclictest14961-21ssh11:18:4911
2395999181cyclictest761ksoftirqd/908:25:1311
2395999181cyclictest761ksoftirqd/908:08:2011
2395999181cyclictest32110-21ssh09:47:2911
2395999181cyclictest31801-21kworker/9:211:56:3711
2395999181cyclictest31801-21kworker/9:210:02:3111
2395999181cyclictest27346-1kworker/9:0H11:06:2611
2395999181cyclictest27346-1kworker/9:0H10:46:2311
2395999181cyclictest27346-1kworker/9:0H09:40:4811
2395999181cyclictest27346-1kworker/9:0H09:19:0411
2395999181cyclictest27346-1kworker/9:0H08:30:1011
2395999181cyclictest27346-1kworker/9:0H07:48:5911
2395999181cyclictest27346-1kworker/9:0H07:41:1011
2395999181cyclictest20990-21expr10:05:1211
2395999181cyclictest18171-1kworker/9:2H12:32:0111
2395999181cyclictest18171-1kworker/9:2H12:08:4011
2395999181cyclictest12250irq/42-ahci12:16:4511
2395999181cyclictest12250irq/42-ahci10:35:1911
2395999181cyclictest12250irq/42-ahci08:04:2911
2395999181cyclictest0-21swapper/912:22:1711
2395999181cyclictest0-21swapper/911:42:2211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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