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2026-01-03 - 01:00
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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 50 highest latencies:
System rackcslot0.osadl.org (updated Fri Jan 02, 2026 00:43:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2490021800,4sleep71995899cyclictest22:44:2213
1449521780,6sleep51995699cyclictest23:15:2211
1449521780,6sleep51995699cyclictest23:15:2211
195232140116,20sleep60-21swapper/619:09:5412
193822137105,28sleep110-21swapper/1119:08:393
2985921240,5sleep71995899cyclictest23:23:2513
2985921240,5sleep71995899cyclictest23:23:2513
2770021220,1sleep50-21swapper/523:04:0811
192442122104,13sleep20-21swapper/219:06:548
207921180,5sleep71995899cyclictest23:45:5313
19280211895,18sleep100-21swapper/1019:07:182
192642118103,11sleep00-21swapper/019:07:080
1880621140,1sleep7731ktimersoftd/721:18:4713
3070921120,5sleep01994899cyclictest22:54:410
19246210891,13sleep30-21swapper/319:06:559
19340210774,28sleep50-21swapper/519:08:0111
965621060,1sleep60-21swapper/621:15:0112
259121030,3sleep123139-21kworker/12:122:32:414
19539210391,8sleep10-21swapper/119:10:051
270021010,2sleep2517-21systemd-journal22:29:358
89621000,0sleep80-21swapper/823:49:0714
276762990,6sleep121996699cyclictest22:00:354
123852990,1sleep30-21swapper/319:40:199
6712980,4sleep71995899cyclictest21:32:4113
245222970,1sleep150-21swapper/1521:37:547
251112960,2sleep11041-21dbus-daemon22:31:421
244342960,2sleep11106-21ksoftirqd/1123:32:033
244342960,2sleep11106-21ksoftirqd/1123:32:033
301102940,0sleep80-21swapper/800:30:3414
188372940,1sleep80-21swapper/823:31:2814
188372940,1sleep80-21swapper/823:31:2814
55392920,0sleep20-21swapper/221:23:478
218032920,1sleep110-21swapper/1122:40:423
1927929269,19sleep90-21swapper/919:07:1715
1845929181,4sleep140-21swapper/1419:05:466
130562910,0sleep00-21swapper/021:12:150
42632900,6sleep111996399cyclictest21:45:363
312722900,2sleep40-21swapper/422:57:4210
231592900,8sleep141996999cyclictest21:22:076
11972900,1sleep141198-21systemd-cgroups22:35:406
59072890,1sleep65905-21sshd22:29:5512
1920628972,11sleep150-21swapper/1519:06:197
1919928972,4sleep80-21swapper/819:06:1214
235922880,4sleep41995599cyclictest23:51:1110
208732880,1sleep620870-21systemd-cgroups22:31:1512
1922128874,10sleep130-21swapper/1319:06:335
140592880,1sleep140-21swapper/1423:28:056
140592880,1sleep140-21swapper/1423:28:056
90842870,1sleep140-21swapper/1400:05:326
326152870,1sleep732616-21sshd23:39:4413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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