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2026-09-18 - 08:25
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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 Sep 18, 2026 00:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30549501120irq/53-eth0-rx-0-21swapper/219:09:104
30549501110irq/53-eth0-rx-0-21swapper/119:09:061
3190210891sleep00-21swapper/019:06:400
3054950930irq/53-eth0-rx-0-21swapper/319:05:355
12250920irq/42-ahci0-21swapper/919:09:2811
3054950900irq/53-eth0-rx-0-21swapper/819:06:2510
3054950900irq/53-eth0-rx-0-21swapper/719:06:329
3054950880irq/53-eth0-rx-0-21swapper/1119:07:373
3054950870irq/53-eth0-rx-0-21swapper/519:07:217
3054950870irq/53-eth0-rx-0-21swapper/419:05:166
3054950680irq/53-eth0-rx-0-21swapper/1019:06:172
313626757sleep60-21swapper/619:05:588
365199236cyclictest831ksoftirqd/1023:00:512
365199236cyclictest831ksoftirqd/1021:40:012
365199236cyclictest831ksoftirqd/1000:35:142
365199225cyclictest831ksoftirqd/1023:24:332
365199225cyclictest831ksoftirqd/1023:05:412
365199225cyclictest831ksoftirqd/1022:54:512
365199225cyclictest831ksoftirqd/1022:30:162
365199225cyclictest831ksoftirqd/1021:48:422
365199225cyclictest831ksoftirqd/1021:11:312
365199214cyclictest831ksoftirqd/1020:08:202
365199192cyclictest3054950irq/53-eth0-rx-21:28:592
365099192cyclictest3054950irq/53-eth0-rx-23:17:5911
365099192cyclictest0-21swapper/923:42:0911
365099192cyclictest0-21swapper/921:51:4511
365099192cyclictest0-21swapper/921:49:4511
365099192cyclictest0-21swapper/921:20:0211
365099192cyclictest0-21swapper/919:10:1411
3639991917cyclictest16221-21qemu-kvm20:18:297
3639991917cyclictest16221-21qemu-kvm20:18:287
360399190cyclictest0-21swapper/021:18:320
3651991817cyclictest831ksoftirqd/1023:30:292
3651991817cyclictest811rcuc/1020:46:122
3651991817cyclictest811rcuc/1020:46:122
3651991817cyclictest811rcuc/1020:01:312
3651991817cyclictest0-21swapper/1022:14:472
3651991817cyclictest0-21swapper/1021:53:462
365199181cyclictest831ksoftirqd/1022:40:132
365199181cyclictest831ksoftirqd/1020:25:142
365199181cyclictest831ksoftirqd/1020:20:192
365199181cyclictest811rcuc/1023:10:362
365199181cyclictest3054950irq/53-eth0-rx-23:55:102
365199181cyclictest3054950irq/53-eth0-rx-23:47:332
365199181cyclictest3054950irq/53-eth0-rx-23:47:332
365199181cyclictest3054950irq/53-eth0-rx-23:42:152
365199181cyclictest3054950irq/53-eth0-rx-23:35:352
365199181cyclictest3054950irq/53-eth0-rx-23:17:222
365199181cyclictest3054950irq/53-eth0-rx-22:38:032
365199181cyclictest3054950irq/53-eth0-rx-22:16:312
365199181cyclictest3054950irq/53-eth0-rx-22:05:322
365199181cyclictest3054950irq/53-eth0-rx-22:03:382
365199181cyclictest3054950irq/53-eth0-rx-21:55:382
365199181cyclictest3054950irq/53-eth0-rx-21:20:142
365199181cyclictest3054950irq/53-eth0-rx-19:15:132
365199181cyclictest3054950irq/53-eth0-rx-00:23:192
365199181cyclictest3054950irq/53-eth0-rx-00:23:192
365199181cyclictest3054950irq/53-eth0-rx-00:06:572
365199181cyclictest3054950irq/53-eth0-rx-00:03:212
365199181cyclictest3054950irq/53-eth0-rx-00:03:212
365199181cyclictest12250irq/42-ahci19:35:312
365199181cyclictest12250irq/42-ahci19:21:172
365199180cyclictest244042sleep1022:26:352
365099184cyclictest0-21swapper/920:15:1811
365099184cyclictest0-21swapper/920:15:1811
365099181cyclictest9767-21ssh22:41:3311
365099181cyclictest3054950irq/53-eth0-rx-23:51:0911
365099181cyclictest15265-1kworker/9:0H20:40:0011
365099181cyclictest15265-1kworker/9:0H20:40:0011
365099181cyclictest15265-1kworker/9:0H19:17:1311
365099181cyclictest0-21swapper/923:57:0911
365099181cyclictest0-21swapper/923:45:2211
365099181cyclictest0-21swapper/923:45:2211
365099181cyclictest0-21swapper/923:25:2611
365099181cyclictest0-21swapper/923:00:4211
365099181cyclictest0-21swapper/922:58:4211
365099181cyclictest0-21swapper/922:50:0711
365099181cyclictest0-21swapper/922:28:3011
365099181cyclictest0-21swapper/922:02:4311
365099181cyclictest0-21swapper/919:51:2211
365099181cyclictest0-21swapper/919:45:1211
365099181cyclictest0-21swapper/900:36:4311
365099181cyclictest0-21swapper/900:25:1211
365099181cyclictest0-21swapper/900:23:4511
365099181cyclictest0-21swapper/900:23:4511
365099181cyclictest0-21swapper/900:00:5511
365099181cyclictest0-21swapper/900:00:5511
3640991816cyclictest27726-21qemu-kvm21:26:388
3640991816cyclictest27726-21qemu-kvm21:08:328
3640991816cyclictest27725-21qemu-kvm21:30:108
3651991716cyclictest831ksoftirqd/1020:10:112
3651991716cyclictest831ksoftirqd/1020:10:102
3651991716cyclictest0-21swapper/1020:15:162
3651991716cyclictest0-21swapper/1020:15:162
365199170cyclictest831ksoftirqd/1022:55:462
365199170cyclictest831ksoftirqd/1022:20:142
365199170cyclictest831ksoftirqd/1021:40:052
365199170cyclictest831ksoftirqd/1019:56:202
365199170cyclictest831ksoftirqd/1019:50:122
365199170cyclictest831ksoftirqd/1000:15:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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