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2026-04-20 - 22:37
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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 Mon Apr 20, 2026 12:46:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9918501120irq/53-eth0-rx-0-21swapper/107:09:251
128501120irq/42-ahci0-21swapper/207:09:554
15127210895sleep40-21swapper/407:06:296
15072210895sleep100-21swapper/1007:05:482
128501040irq/42-ahci0-21swapper/507:05:187
991850970irq/53-eth0-rx-0-21swapper/307:06:045
12850940irq/42-ahci0-21swapper/807:08:3910
991850900irq/53-eth0-rx-0-21swapper/707:07:249
1520128778sleep00-21swapper/007:07:270
1538627169sleep90-21swapper/907:09:1211
991850620irq/53-eth0-rx-0-21swapper/1107:05:333
1516225853sleep60-21swapper/607:06:568
1555499378cyclictest31682-21taskset08:11:080
1559699310cyclictest0-21swapper/1110:30:013
1559699310cyclictest0-21swapper/1107:18:013
15567993029cyclictest991850irq/53-eth0-rx-10:27:194
15554993029cyclictest0-21swapper/010:27:240
991850280irq/53-eth0-rx-0-21swapper/508:11:077
991850280irq/53-eth0-rx-0-21swapper/1108:11:083
15588992725cyclictest6996-21qemu-kvm10:27:297
15554992524cyclictest0-21swapper/007:29:230
991850240irq/53-eth0-rx-0-21swapper/808:11:1510
15594992220cyclictest26677-21if_eth108:05:1711
15594992220cyclictest26677-21if_eth108:05:1611
15593992221cyclictest991850irq/53-eth0-rx-10:27:2110
15554992221cyclictest0-21swapper/008:20:440
1559699200cyclictest0-21swapper/1109:28:393
1559699193cyclictest78122sleep1109:10:023
1559699193cyclictest78122sleep1109:10:023
1559699190cyclictest0-21swapper/1110:08:453
1559699180cyclictest0-21swapper/1109:15:283
15595991817cyclictest0-21swapper/1007:28:372
1559599181cyclictest831ksoftirqd/1010:08:252
1559599181cyclictest249052chrt08:46:352
1559599181cyclictest249052chrt08:46:352
15594991816cyclictest31386-21taskset07:29:4711
1559499181cyclictest0-21swapper/909:18:4311
15588991816cyclictest28181-21qemu-kvm08:46:387
15588991816cyclictest28181-21qemu-kvm08:46:377
1558299180cyclictest0-21swapper/408:30:196
1555499180cyclictest0-21swapper/010:08:450
15595991716cyclictest141872sleep1010:36:002
15595991716cyclictest0-21swapper/1012:26:502
15595991716cyclictest0-21swapper/1009:35:252
1559599170cyclictest991850irq/53-eth0-rx-11:50:142
1559599170cyclictest991850irq/53-eth0-rx-11:40:042
1559599170cyclictest991850irq/53-eth0-rx-10:46:222
1559599170cyclictest991850irq/53-eth0-rx-09:40:152
1559599170cyclictest991850irq/53-eth0-rx-09:25:102
1559599170cyclictest991850irq/53-eth0-rx-09:22:582
1559599170cyclictest991850irq/53-eth0-rx-09:17:102
1559599170cyclictest991850irq/53-eth0-rx-09:10:332
1559599170cyclictest991850irq/53-eth0-rx-09:05:032
1559599170cyclictest991850irq/53-eth0-rx-09:05:022
1559599170cyclictest991850irq/53-eth0-rx-08:06:252
1559599170cyclictest991850irq/53-eth0-rx-08:06:242
1559599170cyclictest991850irq/53-eth0-rx-07:43:202
1559599170cyclictest9472sleep1012:31:492
1559599170cyclictest78082chrt11:55:562
1559599170cyclictest78082chrt11:55:552
1559599170cyclictest74452sleep1011:11:392
1559599170cyclictest69042sleep1010:26:102
1559599170cyclictest68152chrt08:23:432
1559599170cyclictest62062sleep1007:38:142
1559599170cyclictest4142sleep1011:45:552
1559599170cyclictest39042sleep1011:08:032
1559599170cyclictest36332sleep1009:03:002
1559599170cyclictest36332sleep1009:02:592
1559599170cyclictest325782sleep1011:02:252
1559599170cyclictest32542sleep1010:21:092
1559599170cyclictest322772chrt08:57:362
1559599170cyclictest319812sleep1010:16:212
1559599170cyclictest299242sleep1009:30:152
1559599170cyclictest29572sleep1008:15:552
1559599170cyclictest288492sleep1010:56:492
1559599170cyclictest286062sleep1008:52:112
1559599170cyclictest275192sleep1007:21:502
1559599170cyclictest260492sleep1012:20:472
1559599170cyclictest255702sleep1011:35:302
1559599170cyclictest24322sleep1007:32:022
1559599170cyclictest240182sleep1007:18:482
1559599170cyclictest214732sleep1008:00:062
1559599170cyclictest212182sleep1010:04:312
1559599170cyclictest207512sleep1011:30:182
1559599170cyclictest189502sleep1012:13:102
1559599170cyclictest189502sleep1012:13:092
1559599170cyclictest189052sleep1007:11:232
1559599170cyclictest182872sleep1011:25:282
1559599170cyclictest176162sleep1008:36:332
1559599170cyclictest174002sleep1009:57:422
1559599170cyclictest156772sleep1007:50:172
1559599170cyclictest151082sleep1012:05:462
1559599170cyclictest151082sleep1012:05:462
1559599170cyclictest150172sleep1010:40:112
1559599170cyclictest146962sleep1011:21:152
1559599170cyclictest136522sleep1009:51:292
1559599170cyclictest12850irq/42-ahci10:51:512
1559599170cyclictest12850irq/42-ahci08:10:162
1559599170cyclictest12850irq/42-ahci07:55:382
1559599170cyclictest111372sleep1011:17:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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