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2024-04-13 - 05:36
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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
Characteristics of the 100 highest latencies:
System rack3slot3.osadl.org (updated Sat Apr 13, 2024 00:46:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25346210995sleep40-21swapper/419:06:166
23291210593sleep70-21swapper/719:05:209
2559829889sleep30-21swapper/319:08:525
11850980irq/42-ahci0-21swapper/219:09:544
2224950930irq/45-eth0-tx-0-21swapper/119:08:571
2567829085sleep80-21swapper/819:09:5710
2224850880irq/44-eth0-rx-0-21swapper/519:07:507
2541227462sleep60-21swapper/619:07:078
2537126955sleep00-21swapper/019:06:370
2387226858sleep110-21swapper/1119:05:243
2563326765sleep90-21swapper/919:09:2211
2544426354sleep100-21swapper/1019:07:352
2580099310cyclictest2469-21nmbd21:12:290
2582799300cyclictest0-21swapper/1122:16:363
2582699258cyclictest831ksoftirqd/1023:00:382
2582699247cyclictest831ksoftirqd/1023:45:282
25827992220cyclictest2224850irq/44-eth0-rx-19:24:563
2582799200cyclictest0-21swapper/1119:17:203
2582699203cyclictest831ksoftirqd/1023:29:002
2582699203cyclictest831ksoftirqd/1020:00:312
2582699192cyclictest831ksoftirqd/1023:39:162
2582699192cyclictest831ksoftirqd/1000:24:182
2582699192cyclictest831ksoftirqd/1000:24:182
25827991817cyclictest96792sleep1120:14:073
25826991817cyclictest831ksoftirqd/1020:30:212
25826991817cyclictest811rcuc/1019:24:482
2582699181cyclictest831ksoftirqd/1022:25:292
2582699181cyclictest291162chrt19:11:102
2582699181cyclictest112250irq/18-i801_smb21:15:362
2582699181cyclictest101052chrt23:10:262
25825991816cyclictest27653-21taskset20:35:4211
2582599181cyclictest0-21swapper/921:35:0111
2582599181cyclictest0-21swapper/919:15:1311
25821991816cyclictest17385-21qemu-kvm21:15:247
32821715sleep8330-21snmp_rack3slot922:56:4610
25826991716cyclictest0-21swapper/1023:55:492
25826991716cyclictest0-21swapper/1023:50:392
25826991716cyclictest0-21swapper/1020:20:322
25826991716cyclictest0-21swapper/1019:25:232
2582699170cyclictest98622sleep1020:55:582
2582699170cyclictest831ksoftirqd/1023:20:172
2582699170cyclictest831ksoftirqd/1023:15:202
2582699170cyclictest831ksoftirqd/1022:15:012
2582699170cyclictest831ksoftirqd/1020:10:202
2582699170cyclictest831ksoftirqd/1019:30:212
2582699170cyclictest831ksoftirqd/1019:15:182
2582699170cyclictest831ksoftirqd/1000:35:212
2582699170cyclictest811rcuc/1020:25:222
2582699170cyclictest76882sleep1023:05:492
2582699170cyclictest72702chrt22:21:072
2582699170cyclictest6902sleep1023:41:042
2582699170cyclictest49882chrt00:32:582
2582699170cyclictest39372sleep1021:35:152
2582699170cyclictest326392sleep1021:30:032
2582699170cyclictest323282sleep1022:10:552
2582699170cyclictest319192chrt21:27:132
2582699170cyclictest307642sleep1019:55:402
2582699170cyclictest307382sleep1000:25:112
2582699170cyclictest299312chrt22:55:112
2582699170cyclictest293492sleep1020:40:202
2582699170cyclictest290942sleep1022:50:472
2582699170cyclictest287322sleep1022:07:182
2582699170cyclictest278142sleep1020:37:562
2582699170cyclictest262882sleep1000:15:562
2582699170cyclictest262562sleep1021:20:242
2582699170cyclictest25932sleep1020:46:212
2582699170cyclictest25932sleep1020:46:212
2582699170cyclictest258782chrt23:30:522
2582699170cyclictest250572sleep1022:01:532
2582699170cyclictest248562sleep1022:45:342
2582699170cyclictest243352sleep1019:50:162
2582699170cyclictest234972sleep1019:45:512
2582699170cyclictest226382sleep1000:10:562
2582699170cyclictest2224850irq/44-eth0-rx-21:10:202
2582699170cyclictest2224850irq/44-eth0-rx-20:50:212
2582699170cyclictest2224850irq/44-eth0-rx-20:50:212
2582699170cyclictest2224850irq/44-eth0-rx-20:05:182
2582699170cyclictest2224850irq/44-eth0-rx-00:00:202
2582699170cyclictest218122chrt22:40:582
2582699170cyclictest199072sleep1019:41:372
2582699170cyclictest184802chrt21:55:052
2582699170cyclictest183842sleep1022:38:582
2582699170cyclictest161812sleep1000:05:072
2582699170cyclictest161812sleep1000:05:072
2582699170cyclictest159532sleep1021:05:242
2582699170cyclictest148662sleep1019:35:252
2582699170cyclictest147072sleep1022:33:212
2582699170cyclictest132882sleep1020:18:422
2582699170cyclictest120552chrt21:00:222
2582699170cyclictest120552chrt21:00:222
2582699170cyclictest111932chrt21:45:042
2582699170cyclictest104522sleep1021:41:522
25825991715cyclictest8713-21chrt00:39:2211
25825991715cyclictest13330-21chrt20:19:1711
2582599170cyclictest0-21swapper/922:25:3711
25821991716cyclictest5969-21qemu-kvm20:08:287
25821991716cyclictest17384-21qemu-kvm21:20:267
25820991715cyclictest17062-21python21:50:346
25825991615cyclictest23160-1kworker/9:1H19:29:4811
25825991615cyclictest0-21swapper/921:20:2311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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