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2026-05-19 - 08:20
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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 rackeslot8.osadl.org (updated Tue May 19, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
292122021030,2sleep1321rcuc/122:50:191
29766292910,89sleep22970473-21kworker/u16:3+efi_rts_wq23:25:252
2602765993331,1cyclictest0-21swapper/323:05:003
30667752280,9sleep134-21ksoftirqd/100:25:131
2602765992522,1cyclictest0-21swapper/320:45:013
2602765992320,1cyclictest0-21swapper/323:00:013
2602765992314,7cyclictest2829057-21sleep21:54:593
2602765992219,1cyclictest0-21swapper/320:45:133
260276599221,15cyclictest2876679-21chrt22:25:113
2602765992118,1cyclictest0-21swapper/323:50:183
2602765992118,1cyclictest0-21swapper/320:55:113
260276599211,15cyclictest2985376-21taskset23:31:483
2602765992018,1cyclictest0-21swapper/321:20:013
2602765992018,1cyclictest0-21swapper/300:15:233
2602765992017,1cyclictest0-21swapper/323:10:013
2602765992017,1cyclictest0-21swapper/319:35:303
2602765992016,1cyclictest0-21swapper/300:15:003
260276599201,14cyclictest2682334-21taskset20:10:163
260276599201,14cyclictest2675220-21taskset20:04:553
29765212191,14sleep12976592-21ssh23:25:241
2602765991917,1cyclictest0-21swapper/322:10:193
2602765991916,1cyclictest0-21swapper/321:30:343
2602765991916,1cyclictest0-21swapper/321:30:013
260276599191,14cyclictest2805190-21taskset21:39:323
260276599191,14cyclictest2774295-21taskset21:20:093
260276599191,14cyclictest2663401-21taskset19:55:183
260276599191,13cyclictest2656147-21taskset19:50:003
26221372180,1sleep00-21swapper/019:20:180
2602765991816,0cyclictest0-21swapper/323:55:193
2602765991815,1cyclictest0-21swapper/322:30:113
2602765991815,1cyclictest0-21swapper/321:45:183
2602765991815,1cyclictest0-21swapper/321:10:253
2602765991815,1cyclictest0-21swapper/300:23:023
260276599181,13cyclictest3075685-21taskset00:30:173
260276599181,13cyclictest3065790-21taskset00:25:033
260276599181,13cyclictest3032411-21taskset00:00:373
260276599181,13cyclictest3007983-21taskset23:45:273
260276599181,13cyclictest3007983-21taskset23:45:263
260276599181,13cyclictest2973772-21taskset23:25:183
260276599181,13cyclictest2969244-21taskset23:20:443
260276599181,13cyclictest2947713-21taskset23:10:143
260276599181,13cyclictest2922100-21taskset22:50:533
260276599181,13cyclictest2866867-21taskset22:15:453
260276599181,13cyclictest2643231-21sleep19:44:553
30524222177,7sleep03054100-21cut00:15:190
28609962170,3sleep02861001-21cpuspeed_turbos22:15:150
2602765991715,1cyclictest0-21swapper/319:50:143
2602765991714,1cyclictest0-21swapper/322:35:203
2602765991714,1cyclictest0-21swapper/322:20:163
260276599171,13cyclictest3041234-21taskset00:08:123
260276599171,13cyclictest2805931-21taskset21:40:133
260276599171,13cyclictest2719015-21taskset20:35:223
260276599171,13cyclictest2707075-21taskset20:28:373
260276599171,13cyclictest2707075-21taskset20:28:363
260276599171,13cyclictest2611712-21taskset19:15:163
260276599171,13cyclictest2609049-21taskset19:14:283
260276599171,12cyclictest3081567-21taskset00:35:053
260276599171,12cyclictest2994754-21taskset23:40:103
260276599171,12cyclictest2960898-21taskset23:15:283
260276599171,12cyclictest2908782-21taskset22:45:173
260276599171,12cyclictest2900299-21chrt22:40:113
260276599171,12cyclictest2837322-21chrt22:00:133
260276599171,12cyclictest2733227-21taskset20:50:143
260276599171,12cyclictest2700467-21taskset20:20:273
260276599171,12cyclictest2694013-21taskset20:15:263
260276599171,12cyclictest2694013-21taskset20:15:253
260276599171,12cyclictest2681357-21taskset20:07:003
260276599171,12cyclictest2636564-21taskset19:31:393
260276599171,12cyclictest2624031-21turbostat19:25:013
285054521612,2sleep00-21swapper/022:05:260
285054521612,2sleep00-21swapper/022:05:250
260276599161,12cyclictest2992943-21taskset23:36:003
260276599161,12cyclictest2845165-21taskset22:05:033
260276599161,12cyclictest2845165-21taskset22:05:023
260276599161,12cyclictest2829325-21taskset21:55:093
260276599161,12cyclictest2758057-21taskset21:07:013
260276599161,12cyclictest2745799-21taskset21:00:043
260276599161,12cyclictest2713196-21taskset20:30:303
260276599161,12cyclictest2624308-21taskset19:25:103
29855982140,6sleep0222-21plymouthd23:32:300
29323322140,10sleep02932815-21ssh23:00:180
30747972131,4sleep23075682-21kthreadcore00:30:172
30239162130,9sleep03024055-21/usr/sbin/munin23:55:220
29235172130,6sleep22923519-21ssh22:54:462
27263622131,8sleep22726416-21true20:45:012
26756852131,9sleep12675800-21perl20:05:141
26081402131,9sleep00-21swapper/019:10:200
30662442121,8sleep03066773-21irqcore00:25:130
30325862120,9sleep13032592-21ssh00:01:061
30014042127,2sleep00-21swapper/023:42:320
29640262121,8sleep02964818-21kthreadcore23:20:190
29475582120,3sleep10-21swapper/123:10:141
29112872121,7sleep12913129-21cut22:45:201
28977382122,7sleep02897781-21ntpq22:35:250
28835622121,2sleep1222-21plymouthd22:28:121
29293212110,7sleep10-21swapper/122:55:261
28917782110,8sleep12891777-21ssh22:34:121
27141282110,8sleep12713821-21/usr/sbin/munin20:35:171
26884282110,8sleep22688520-21fschecks_time20:15:142
26884282110,8sleep22688520-21fschecks_time20:15:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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