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2026-03-15 - 05:04
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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 Sun Mar 15, 2026 00:46:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14943211093sleep00-21swapper/019:06:010
15170210894sleep20-21swapper/219:08:154
128501080irq/42-ahci0-21swapper/119:08:351
15045210291sleep50-21swapper/519:07:177
991850940irq/53-eth0-rx-0-21swapper/719:06:189
991850930irq/53-eth0-rx-0-21swapper/419:06:266
991850920irq/53-eth0-rx-0-21swapper/319:06:405
991850910irq/53-eth0-rx-0-21swapper/819:08:4410
1508328881sleep100-21swapper/1019:07:462
1530128680sleep90-21swapper/919:09:5711
991850790irq/53-eth0-rx-0-21swapper/1119:05:443
1498626653sleep60-21swapper/619:06:308
1545199320cyclictest0-21swapper/1122:11:093
1545199310cyclictest0-21swapper/1120:11:493
15409992928cyclictest0-21swapper/022:17:590
15409992827cyclictest0-21swapper/019:13:040
15451992611cyclictest18908-21taskset19:13:223
1545099258cyclictest831ksoftirqd/1022:44:412
1545099240cyclictest831ksoftirqd/1000:05:462
1540999244cyclictest0-21swapper/021:10:140
1545099236cyclictest831ksoftirqd/1019:11:472
1545099236cyclictest831ksoftirqd/1000:12:282
15409992112cyclictest7206-21nscd22:21:170
1545099203cyclictest831ksoftirqd/1023:50:332
1545099203cyclictest831ksoftirqd/1023:45:522
1545099203cyclictest831ksoftirqd/1023:40:062
1545099203cyclictest831ksoftirqd/1023:39:142
1545099203cyclictest831ksoftirqd/1023:30:122
1545099203cyclictest831ksoftirqd/1023:26:142
1545099203cyclictest831ksoftirqd/1023:23:352
1545099203cyclictest831ksoftirqd/1023:15:432
1545099203cyclictest831ksoftirqd/1023:12:302
1545099203cyclictest831ksoftirqd/1023:07:302
1545099203cyclictest831ksoftirqd/1023:03:282
1545099203cyclictest831ksoftirqd/1022:56:582
1545099203cyclictest831ksoftirqd/1022:51:132
1545099203cyclictest831ksoftirqd/1022:46:382
1545099203cyclictest831ksoftirqd/1022:38:382
1545099203cyclictest831ksoftirqd/1022:31:312
1545099203cyclictest831ksoftirqd/1022:15:352
1545099203cyclictest831ksoftirqd/1022:10:412
1545099203cyclictest831ksoftirqd/1022:05:482
1545099203cyclictest831ksoftirqd/1022:00:032
1545099203cyclictest831ksoftirqd/1021:55:352
1545099203cyclictest831ksoftirqd/1021:50:172
1545099203cyclictest831ksoftirqd/1021:50:162
1545099203cyclictest831ksoftirqd/1021:46:272
1545099203cyclictest831ksoftirqd/1021:44:442
1545099203cyclictest831ksoftirqd/1021:39:132
1545099203cyclictest831ksoftirqd/1021:31:022
1545099203cyclictest831ksoftirqd/1021:26:582
1545099203cyclictest831ksoftirqd/1021:11:192
1545099203cyclictest831ksoftirqd/1021:06:282
1545099203cyclictest831ksoftirqd/1021:00:392
1545099203cyclictest831ksoftirqd/1020:56:512
1545099203cyclictest831ksoftirqd/1020:52:252
1545099203cyclictest831ksoftirqd/1020:49:132
1545099203cyclictest831ksoftirqd/1020:41:302
1545099203cyclictest831ksoftirqd/1020:38:132
1545099203cyclictest831ksoftirqd/1020:31:232
1545099203cyclictest831ksoftirqd/1020:26:072
1545099203cyclictest831ksoftirqd/1020:21:002
1545099203cyclictest831ksoftirqd/1020:15:352
1545099203cyclictest831ksoftirqd/1020:05:592
1545099203cyclictest831ksoftirqd/1020:01:302
1545099203cyclictest831ksoftirqd/1019:55:432
1545099203cyclictest831ksoftirqd/1019:51:302
1545099203cyclictest831ksoftirqd/1019:48:072
1545099203cyclictest831ksoftirqd/1019:41:462
1545099203cyclictest831ksoftirqd/1019:35:232
1545099203cyclictest831ksoftirqd/1019:30:062
1545099203cyclictest831ksoftirqd/1019:26:052
1545099203cyclictest831ksoftirqd/1019:23:082
1545099203cyclictest831ksoftirqd/1000:35:322
1545099203cyclictest831ksoftirqd/1000:32:402
1545099203cyclictest831ksoftirqd/1000:25:442
1545099203cyclictest831ksoftirqd/1000:20:432
1545099203cyclictest831ksoftirqd/1000:15:072
1545099203cyclictest831ksoftirqd/1000:01:102
15409992012cyclictest17190-21munin-node22:10:280
1545099192cyclictest831ksoftirqd/1023:55:042
1545099192cyclictest831ksoftirqd/1022:25:022
1545099192cyclictest831ksoftirqd/1022:20:112
1545099192cyclictest831ksoftirqd/1021:20:112
1545099192cyclictest831ksoftirqd/1021:15:242
1545099192cyclictest831ksoftirqd/1020:10:082
1545099192cyclictest831ksoftirqd/1019:15:242
1540999193cyclictest0-21swapper/021:50:000
15409991918cyclictest0-21swapper/022:25:210
15451991816cyclictest30987-21chrt19:26:253
1544999181cyclictest25530-21expr20:05:1011
1544999181cyclictest0-21swapper/923:55:2611
1544999181cyclictest0-21swapper/923:51:4611
1544999181cyclictest0-21swapper/923:28:4011
1544999181cyclictest0-21swapper/922:25:3511
1544999181cyclictest0-21swapper/921:48:3711
1544999181cyclictest0-21swapper/921:38:2411
1544999181cyclictest0-21swapper/921:13:4411
1544999181cyclictest0-21swapper/900:29:4311
1544999181cyclictest0-21swapper/900:20:1511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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