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2025-12-17 - 17:06
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 20 highest latencies:
System rackbslot2.osadl.org (updated Wed Dec 17, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23254232230200,19sleep30-21swapper/307:05:593
23256052227198,19sleep00-21swapper/007:08:170
23254972225196,19sleep20-21swapper/207:06:542
23256732221192,20sleep10-21swapper/107:09:111
259347621540,1sleep12593474-21ntpq12:15:201
232610899743,70cyclictest2391183-21kworker/u8:3+efi_rts_wq09:43:342
2326110996111,50cyclictest2391183-21kworker/u8:3+efi_rts_wq09:43:343
2326104995844,3cyclictest2564504-21chrome11:45:021
232609899562,53cyclictest2391183-21kworker/u8:3+efi_rts_wq09:43:330
2326108995449,4cyclictest2573383-21/usr/share/muni11:55:142
24178232510,2sleep12417815-21snmp_wlanswitch08:55:021
2326104994836,11cyclictest427-21jbd2/mmcblk0p2-807:45:011
2326108994734,2cyclictest2241337-1kworker/2:2H+kblockd12:20:182
2326098994643,1cyclictest2512414-21chrome10:45:020
25340522440,2chrt2534034-21snmp_wlanpowerc11:10:031
2326110994339,3cyclictest2415052-21apt-get08:50:123
2326104994341,1cyclictest2011478-1kworker/1:0H+kblockd09:25:481
2326108994238,3cyclictest2524326-21munin-limits10:55:282
2326108994234,7cyclictest2343613-21kworker/2:0+pm07:45:052
2326104994214,27cyclictest0-21swapper/109:10:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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