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2026-09-13 - 09:13
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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 Sep 13, 2026 00:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30549501130irq/53-eth0-rx-0-21swapper/119:09:121
15439211197sleep90-21swapper/919:07:3511
15477211094sleep40-21swapper/419:08:056
15339210693sleep80-21swapper/819:06:2110
3054950990irq/53-eth0-rx-0-21swapper/719:08:229
3054950990irq/53-eth0-rx-0-21swapper/319:07:355
3054950960irq/53-eth0-rx-0-21swapper/219:06:414
1535528273sleep50-21swapper/519:06:317
1546726553sleep110-21swapper/1119:08:013
1199726055sleep00-21swapper/019:05:010
1531125955sleep100-21swapper/1019:06:002
1540225853sleep60-21swapper/619:07:088
15815993617cyclictest0-21swapper/1121:20:453
1581599230cyclictest0-21swapper/1122:25:583
15815992221cyclictest0-21swapper/1122:18:013
1581599210cyclictest0-21swapper/1120:10:033
1581599210cyclictest0-21swapper/1120:10:023
1581499203cyclictest831ksoftirqd/1020:10:362
1581499203cyclictest831ksoftirqd/1020:10:352
1581499192cyclictest831ksoftirqd/1023:18:312
1581499192cyclictest831ksoftirqd/1022:36:092
1581499192cyclictest831ksoftirqd/1022:29:412
1581499192cyclictest831ksoftirqd/1021:47:362
1581499192cyclictest831ksoftirqd/1021:15:152
1581499192cyclictest831ksoftirqd/1021:05:582
1581499192cyclictest831ksoftirqd/1020:31:242
1581499192cyclictest831ksoftirqd/1020:02:252
1581499192cyclictest831ksoftirqd/1000:01:272
15809991916cyclictest28396-21qemu-kvm20:21:277
1581599180cyclictest0-21swapper/1121:08:143
1581499181cyclictest831ksoftirqd/1022:06:362
1581499181cyclictest3054950irq/53-eth0-rx-22:30:572
1581399181cyclictest7710-21diskmemload23:18:3311
1581399181cyclictest26106-21ssh21:24:1911
1581399181cyclictest0-21swapper/923:40:3211
1581399181cyclictest0-21swapper/923:33:1611
1581399181cyclictest0-21swapper/923:08:1611
1581399181cyclictest0-21swapper/923:02:5711
1581399181cyclictest0-21swapper/922:58:4311
1581399181cyclictest0-21swapper/922:41:2311
1581399181cyclictest0-21swapper/922:38:2311
1581399181cyclictest0-21swapper/922:29:3411
1581399181cyclictest0-21swapper/922:09:5211
1581399181cyclictest0-21swapper/922:01:1511
1581399181cyclictest0-21swapper/921:38:5811
1581399181cyclictest0-21swapper/921:14:4611
1581399181cyclictest0-21swapper/921:00:1511
1581399181cyclictest0-21swapper/921:00:1411
1581399181cyclictest0-21swapper/900:17:5811
1581399181cyclictest0-21swapper/900:17:5711
1581399181cyclictest0-21swapper/900:09:2611
1581399181cyclictest0-21swapper/900:09:2511
1581399181cyclictest0-21swapper/900:01:5211
15809991816cyclictest28396-21qemu-kvm20:45:147
15809991816cyclictest28396-21qemu-kvm20:41:357
15809991816cyclictest28396-21qemu-kvm20:26:297
15809991816cyclictest28396-21qemu-kvm20:19:477
15809991816cyclictest28395-21qemu-kvm20:31:307
15809991816cyclictest28395-21qemu-kvm20:11:257
15809991816cyclictest28395-21qemu-kvm20:11:247
15809991816cyclictest26147-21munin-node21:50:237
15809991816cyclictest17235-21qemu-kvm22:08:587
3054950170irq/53-eth0-rx-0-21swapper/522:17:267
3054950170irq/53-eth0-rx-0-21swapper/222:17:244
1581599172cyclictest285312sleep1120:09:553
1581499170cyclictest3054950irq/53-eth0-rx-23:46:352
1581499170cyclictest277802sleep1023:08:172
1581399170cyclictest0-21swapper/923:59:5711
1581399170cyclictest0-21swapper/923:54:0511
1581399170cyclictest0-21swapper/923:45:5411
1581399170cyclictest0-21swapper/923:38:5211
1581399170cyclictest0-21swapper/923:25:5411
1581399170cyclictest0-21swapper/923:20:3511
1581399170cyclictest0-21swapper/922:50:4511
1581399170cyclictest0-21swapper/922:45:4411
1581399170cyclictest0-21swapper/922:30:0411
1581399170cyclictest0-21swapper/922:24:1611
1581399170cyclictest0-21swapper/922:17:4311
1581399170cyclictest0-21swapper/922:11:2611
1581399170cyclictest0-21swapper/921:59:4111
1581399170cyclictest0-21swapper/921:52:3011
1581399170cyclictest0-21swapper/921:45:5211
1581399170cyclictest0-21swapper/921:42:4711
1581399170cyclictest0-21swapper/921:31:1911
1581399170cyclictest0-21swapper/921:26:3511
1581399170cyclictest0-21swapper/921:15:5211
1581399170cyclictest0-21swapper/920:42:0611
1581399170cyclictest0-21swapper/920:05:1411
1581399170cyclictest0-21swapper/900:30:5211
1581399170cyclictest0-21swapper/900:30:5211
1581399170cyclictest0-21swapper/900:11:2511
15809991715cyclictest28396-21qemu-kvm20:35:157
15809991715cyclictest28396-21qemu-kvm20:35:147
15809991715cyclictest28396-21qemu-kvm20:08:417
1580899170cyclictest0-21swapper/419:30:016
15800991715cyclictest8847-21snmp_easybox.os00:35:264
15800991715cyclictest20672-21snmp_rack3slot921:45:134
15800991715cyclictest19947-21snmp_rack3slot920:40:124
3054950160irq/53-eth0-rx-18779-21df_inode22:35:154
1581599164cyclictest0-21swapper/1121:55:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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