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2024-04-23 - 09:26
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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 Tue Apr 23, 2024 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323192122105,12sleep80-21swapper/819:10:3214
323572120106,9sleep100-21swapper/1019:11:062
32184212094,22sleep20-21swapper/219:08:508
321822118102,12sleep00-21swapper/019:08:480
323152115103,7sleep40-21swapper/419:10:2810
32429211491,18sleep90-21swapper/919:11:2115
322672114102,8sleep120-21swapper/1219:09:484
3204721140,0sleep60-21swapper/623:07:2512
32183210792,9sleep10-21swapper/119:08:491
1017721040,5sleep449599cyclictest21:28:2610
761621020,6sleep549699cyclictest21:32:2711
1307921020,1sleep60-21swapper/622:27:0212
1307921020,1sleep60-21swapper/622:27:0212
3195821000,1sleep140-21swapper/1423:16:076
88152990,1sleep50-21swapper/500:26:0211
236592990,3sleep850199cyclictest23:52:3914
70832980,0sleep10-21swapper/123:21:151
36372980,1sleep140-21swapper/1419:52:366
36372980,1sleep140-21swapper/1419:52:366
97612970,1sleep80-21swapper/821:49:0514
231592970,1sleep80-21swapper/819:37:3214
231592970,1sleep80-21swapper/819:37:3214
3217229676,16sleep70-21swapper/719:08:3913
310362950,0sleep90-21swapper/922:50:2115
234452950,7sleep449-21ksoftirqd/423:44:1810
59442940,2sleep11106-21ksoftirqd/1122:51:283
38752940,2sleep133871-21sshd22:34:225
67622890,0sleep50-21swapper/500:03:0211
3236128975,9sleep130-21swapper/1319:11:095
24512890,1sleep150-21swapper/1521:43:517
3215328872,4sleep50-21swapper/519:08:2111
3242328776,6sleep30-21swapper/319:11:159
248692870,1sleep60-21swapper/600:32:1212
16182870,4sleep1050599cyclictest21:27:282
95542860,1sleep12998-21dbus-daemon21:24:174
194752860,1sleep150-21swapper/1521:58:507
113872860,0sleep30-21swapper/323:21:499
3234228572,8sleep140-21swapper/1419:10:546
303292840,2sleep330326-21sshd00:41:319
217682840,1sleep3401ktimersoftd/321:50:539
3218028375,4sleep150-21swapper/1519:08:477
3217628372,7sleep110-21swapper/1119:08:433
3211528375,4sleep60-21swapper/619:07:5012
84592820,0sleep00-21swapper/023:04:230
34862810,1sleep100-21swapper/1021:52:362
291192800,1sleep0111ktimersoftd/022:45:560
74282790,2sleep71005-21NetworkManager23:54:4713
301682750,0sleep90-21swapper/922:17:1115
301682750,0sleep90-21swapper/922:17:1115
309212690,1sleep774-21ksoftirqd/722:37:4513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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