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2025-11-28 - 19:04
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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 Fri Nov 28, 2025 12:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11965210994sleep80-21swapper/807:07:4010
11965210994sleep80-21swapper/807:07:4010
11880210794sleep10-21swapper/107:06:321
11880210794sleep10-21swapper/107:06:311
1217829791sleep70-21swapper/707:09:519
1217829791sleep70-21swapper/707:09:509
3066350950irq/52-eth0-rx-0-21swapper/507:06:037
3066350950irq/52-eth0-rx-0-21swapper/507:06:037
12250930irq/42-ahci0-21swapper/307:08:505
12250930irq/42-ahci0-21swapper/307:08:495
1195128880sleep90-21swapper/907:07:2911
1195128880sleep90-21swapper/907:07:2911
12250830irq/42-ahci0-21swapper/407:05:046
12250830irq/42-ahci0-21swapper/407:05:046
12250790irq/42-ahci0-21swapper/207:08:494
12250790irq/42-ahci0-21swapper/207:08:484
1187726758sleep110-21swapper/1107:06:303
1187726758sleep110-21swapper/1107:06:303
1206126653sleep60-21swapper/607:08:148
1206126653sleep60-21swapper/607:08:138
1206526462sleep100-21swapper/1007:08:182
1206526462sleep100-21swapper/1007:08:182
1197025955sleep00-21swapper/007:07:440
1197025955sleep00-21swapper/007:07:440
1229499340cyclictest0-21swapper/008:25:570
12343993316cyclictest831ksoftirqd/1008:30:092
12343993215cyclictest831ksoftirqd/1008:00:132
1229499310cyclictest0-21swapper/009:24:100
12343992322cyclictest0-21swapper/1010:08:052
12294992322cyclictest6837-1kworker/0:1H09:18:420
8799200watchdog/110-21swapper/1108:22:383
1234399203cyclictest831ksoftirqd/1011:41:072
1234399203cyclictest831ksoftirqd/1008:43:512
1234399192cyclictest831ksoftirqd/1012:20:242
1234399192cyclictest831ksoftirqd/1012:17:392
1234399192cyclictest831ksoftirqd/1011:59:322
1234399192cyclictest831ksoftirqd/1011:35:022
1234399192cyclictest831ksoftirqd/1011:20:282
1234399192cyclictest831ksoftirqd/1011:19:552
1234399192cyclictest831ksoftirqd/1010:10:022
1234399192cyclictest831ksoftirqd/1009:45:252
1234399192cyclictest831ksoftirqd/1009:35:192
1234399192cyclictest831ksoftirqd/1009:35:192
1234399192cyclictest831ksoftirqd/1009:30:292
1234399192cyclictest831ksoftirqd/1009:00:152
1234399192cyclictest831ksoftirqd/1008:59:012
1234399192cyclictest831ksoftirqd/1008:50:012
1234399192cyclictest831ksoftirqd/1008:48:172
1234399192cyclictest831ksoftirqd/1008:15:172
1234399192cyclictest831ksoftirqd/1008:06:032
1234399192cyclictest831ksoftirqd/1007:55:442
1234399192cyclictest831ksoftirqd/1007:35:152
1234399192cyclictest831ksoftirqd/1007:20:152
1234399192cyclictest831ksoftirqd/1007:20:152
1234399191cyclictest831ksoftirqd/1010:00:012
1234399191cyclictest831ksoftirqd/1010:00:002
12331991913cyclictest0-21swapper/608:59:548
12294991917cyclictest30865-21chrt07:30:330
12294991917cyclictest278452sleep007:26:210
901180ksoftirqd/110-21swapper/1107:27:193
1699180watchdog/00-21swapper/009:12:350
12343991817cyclictest831ksoftirqd/1010:35:102
12343991817cyclictest0-21swapper/1012:30:072
12343991817cyclictest0-21swapper/1012:10:082
12343991817cyclictest0-21swapper/1011:45:062
12343991817cyclictest0-21swapper/1011:30:152
12343991817cyclictest0-21swapper/1011:02:452
12343991817cyclictest0-21swapper/1010:55:052
12343991817cyclictest0-21swapper/1010:31:052
12343991817cyclictest0-21swapper/1007:40:102
12343991817cyclictest0-21swapper/1007:11:222
1234399181cyclictest831ksoftirqd/1012:35:392
1234399181cyclictest831ksoftirqd/1012:25:032
1234399181cyclictest831ksoftirqd/1012:25:032
1234399181cyclictest831ksoftirqd/1012:05:152
1234399181cyclictest831ksoftirqd/1012:00:132
1234399181cyclictest831ksoftirqd/1011:50:162
1234399181cyclictest831ksoftirqd/1011:25:292
1234399181cyclictest831ksoftirqd/1011:10:132
1234399181cyclictest831ksoftirqd/1011:05:252
1234399181cyclictest831ksoftirqd/1010:50:162
1234399181cyclictest831ksoftirqd/1010:45:242
1234399181cyclictest831ksoftirqd/1010:40:212
1234399181cyclictest831ksoftirqd/1010:25:262
1234399181cyclictest831ksoftirqd/1010:20:222
1234399181cyclictest831ksoftirqd/1010:15:182
1234399181cyclictest831ksoftirqd/1010:00:482
1234399181cyclictest831ksoftirqd/1010:00:482
1234399181cyclictest831ksoftirqd/1009:50:262
1234399181cyclictest831ksoftirqd/1009:40:232
1234399181cyclictest831ksoftirqd/1009:25:252
1234399181cyclictest831ksoftirqd/1009:20:202
1234399181cyclictest831ksoftirqd/1009:15:132
1234399181cyclictest831ksoftirqd/1009:10:262
1234399181cyclictest831ksoftirqd/1009:05:182
1234399181cyclictest831ksoftirqd/1008:35:122
1234399181cyclictest831ksoftirqd/1008:25:132
1234399181cyclictest831ksoftirqd/1008:20:142
1234399181cyclictest831ksoftirqd/1008:10:112
1234399181cyclictest831ksoftirqd/1007:50:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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