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2026-07-18 - 13:36
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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 Sat Jul 18, 2026 00:46:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30549501130irq/53-eth0-rx-0-21swapper/219:09:314
122501120irq/42-ahci0-21swapper/119:08:281
29596210894sleep100-21swapper/1019:07:402
30549501020irq/53-eth0-rx-0-21swapper/319:09:255
3054950940irq/53-eth0-rx-0-21swapper/719:07:449
12250890irq/42-ahci0-21swapper/919:05:2511
3054950880irq/53-eth0-rx-0-21swapper/819:06:4710
2980728280sleep40-21swapper/419:09:466
3054950760irq/53-eth0-rx-0-21swapper/519:05:227
2944026354sleep110-21swapper/1119:05:403
2963525955sleep60-21swapper/619:08:118
2947025955sleep00-21swapper/019:06:050
2994099340cyclictest0-21swapper/021:21:200
3054950310irq/53-eth0-rx-0-21swapper/821:21:2310
29952993130cyclictest3055050irq/54-eth0-tx-21:21:354
29945993029cyclictest3054950irq/53-eth0-rx-21:21:221
29975992928cyclictest3054950irq/53-eth0-rx-21:21:283
29975992928cyclictest0-21swapper/1121:29:243
29973992423cyclictest3054950irq/53-eth0-rx-21:21:2511
29975992019cyclictest0-21swapper/1122:11:593
2996599201cyclictest0-21swapper/422:19:056
2997399192cyclictest0-21swapper/922:28:0111
2997399192cyclictest0-21swapper/922:08:3911
2997399192cyclictest0-21swapper/922:04:4111
2997399192cyclictest0-21swapper/921:11:1311
2997399192cyclictest0-21swapper/920:03:0311
2997299195cyclictest0-21swapper/821:15:1810
2997299195cyclictest0-21swapper/820:20:1810
2997299195cyclictest0-21swapper/820:20:1710
29959991918cyclictest3054950irq/53-eth0-rx-21:21:255
29975991817cyclictest9449-21chrt19:20:413
2997399184cyclictest0-21swapper/922:23:0311
29973991816cyclictest10588-21taskset00:01:3911
2997399181cyclictest0-21swapper/923:45:5711
2997399181cyclictest0-21swapper/923:15:5111
2997399181cyclictest0-21swapper/923:15:5011
2997399181cyclictest0-21swapper/923:06:1711
2997399181cyclictest0-21swapper/923:06:1611
2997399181cyclictest0-21swapper/923:01:5011
2997399181cyclictest0-21swapper/922:51:0711
2997399181cyclictest0-21swapper/922:37:2511
2997399181cyclictest0-21swapper/922:13:0311
2997399181cyclictest0-21swapper/921:56:2111
2997399181cyclictest0-21swapper/921:44:4911
2997399181cyclictest0-21swapper/921:39:1111
2997399181cyclictest0-21swapper/920:26:0611
2997399181cyclictest0-21swapper/900:36:3511
2997399181cyclictest0-21swapper/900:24:0811
29970991816cyclictest21657-21qemu-kvm21:11:098
29970991816cyclictest21657-21qemu-kvm21:08:408
29969991816cyclictest29682-21qemu-kvm19:41:077
2996599181cyclictest0-21swapper/400:07:016
29952991816cyclictest2305-21snmpd20:48:034
29940991816cyclictest5941-21chrt19:17:300
2997499170cyclictest8632sleep1023:01:442
2997499170cyclictest56622sleep1021:20:552
2997499170cyclictest3055050irq/54-eth0-tx-21:30:402
2997499170cyclictest3055050irq/54-eth0-tx-00:08:052
2997499170cyclictest3054950irq/53-eth0-rx-23:27:372
2997499170cyclictest3054950irq/53-eth0-rx-22:43:252
2997499170cyclictest3054950irq/53-eth0-rx-22:00:582
2997499170cyclictest3054950irq/53-eth0-rx-21:35:252
2997499170cyclictest3054950irq/53-eth0-rx-21:29:102
2997499170cyclictest3054950irq/53-eth0-rx-00:34:422
2997499170cyclictest175082sleep1020:18:352
2997399173cyclictest0-21swapper/921:15:0511
2997399170cyclictest0-21swapper/923:44:5311
2997399170cyclictest0-21swapper/922:40:0111
2997399170cyclictest0-21swapper/920:50:4911
2997399170cyclictest0-21swapper/900:07:4511
29970991716cyclictest30639-21qemu-kvm22:09:368
29970991716cyclictest10172-21qemu-kvm20:17:318
29970991715cyclictest21657-21qemu-kvm21:23:558
29970991715cyclictest0-21swapper/623:55:018
29965991715cyclictest21810-21diskmemload22:30:216
29965991715cyclictest0-21swapper/423:50:076
29952991715cyclictest17098-21snmp_rack3slot900:07:124
29973991615cyclictest0-21swapper/923:28:0311
29973991615cyclictest0-21swapper/922:18:1211
29973991615cyclictest0-21swapper/921:51:5711
29973991615cyclictest0-21swapper/921:25:3811
29973991615cyclictest0-21swapper/920:09:0811
2997199165cyclictest0-21swapper/721:40:189
2997199165cyclictest0-21swapper/721:15:199
29969991615cyclictest10173-21qemu-kvm20:08:457
2996999161cyclictest0-21swapper/521:18:327
2996999160cyclictest0-21swapper/500:21:357
2996599162cyclictest0-21swapper/421:20:146
29965991614cyclictest0-21swapper/423:26:396
29965991614cyclictest0-21swapper/423:14:516
29965991614cyclictest0-21swapper/422:21:336
29965991614cyclictest0-21swapper/421:50:226
29965991614cyclictest0-21swapper/400:25:586
29965991614cyclictest0-21swapper/400:00:436
2996599161cyclictest0-21swapper/422:08:236
2996599161cyclictest0-21swapper/400:10:486
2995999161cyclictest0-21swapper/321:00:005
29952991614cyclictest478-21df19:55:154
29952991614cyclictest478-21df19:55:144
29952991614cyclictest26026-21snmp_rack3slot919:45:134
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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