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2026-04-26 - 22:23
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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 Sun Apr 26, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2287662280,2sleep1228772-21sh08:35:001
117547992623,1cyclictest0-21swapper/309:20:023
117547992623,1cyclictest0-21swapper/308:40:013
117547992421,1cyclictest0-21swapper/310:40:253
117547992320,1cyclictest0-21swapper/307:50:023
117547992317,3cyclictest5119782sleep311:40:253
117547992220,1cyclictest0-21swapper/309:10:173
117547992219,1cyclictest0-21swapper/312:30:213
4732412210,1sleep2421rcuc/211:15:262
117547992118,1cyclictest0-21swapper/312:00:013
117547992118,1cyclictest0-21swapper/309:40:173
11754799211,14cyclictest190262-21taskset08:04:553
11754799202,14cyclictest266732-21taskset09:00:233
117547992018,1cyclictest0-21swapper/308:40:013
117547992017,1cyclictest0-21swapper/312:20:013
117547992017,1cyclictest0-21swapper/311:20:013
117547992017,1cyclictest0-21swapper/310:20:003
11754799201,15cyclictest480816-21taskset11:20:233
11754799201,15cyclictest467390-21taskset11:14:503
11754799201,15cyclictest151982-21taskset07:35:093
11754799201,14cyclictest561525-21taskset12:15:173
11754799201,14cyclictest451958-21taskset11:04:563
11754799201,14cyclictest158453-21chrt07:40:143
11754799198,7cyclictest5055602sleep311:38:173
117547991917,1cyclictest0-21swapper/312:30:003
117547991916,1cyclictest0-21swapper/312:05:153
117547991916,1cyclictest0-21swapper/310:25:133
117547991916,1cyclictest0-21swapper/309:10:013
11754799191,14cyclictest443943-21taskset10:59:043
11754799191,14cyclictest318184-21taskset09:35:233
11754799191,14cyclictest138668-21taskset07:21:583
11754799191,13cyclictest132511-21turbostat07:20:003
11754799190,14cyclictest335657-21taskset09:49:553
11754799181,13cyclictest558097-21taskset12:10:233
11754799181,13cyclictest527846-21taskset11:50:463
11754799181,13cyclictest364508-21taskset10:05:223
11754799181,13cyclictest350049-21taskset09:56:323
11754799181,13cyclictest254492-21taskset08:53:543
11754799181,13cyclictest203356-21taskset08:15:023
11754799181,13cyclictest203356-21taskset08:15:013
11754799181,13cyclictest202984-21taskset08:13:333
11754799181,13cyclictest151500-21taskset07:32:163
11754799181,13cyclictest145175-21taskset07:28:283
11754799181,13cyclictest123562-21taskset07:10:483
11754799180,14cyclictest358087-21taskset10:02:263
5540442171,12sleep1554913-21cut12:10:191
117547991715,1cyclictest0-21swapper/307:50:263
117547991714,1cyclictest0-21swapper/312:35:183
117547991714,1cyclictest0-21swapper/310:45:203
11754799171,13cyclictest535864-21taskset11:56:373
11754799171,13cyclictest514134-21taskset11:45:063
11754799171,13cyclictest514134-21taskset11:45:053
11754799171,13cyclictest373290-21taskset10:11:493
11754799171,13cyclictest221180-21taskset08:25:213
11754799171,13cyclictest196633-21taskset08:09:213
11754799171,13cyclictest183541-21taskset07:56:183
11754799171,12cyclictest490945-21taskset11:30:103
11754799171,12cyclictest452341-21taskset11:05:133
11754799171,12cyclictest435018-21taskset10:50:333
11754799171,12cyclictest388525-21taskset10:20:553
11754799171,12cyclictest336222-21taskset09:50:163
11754799171,12cyclictest305546-21taskset09:30:143
11754799171,12cyclictest303411-21taskset09:25:533
11754799171,12cyclictest289603-21taskset09:20:083
11754799171,12cyclictest260844-21taskset08:58:043
11754799171,12cyclictest222656-21chrt08:30:133
117547991613,1cyclictest0-21swapper/308:20:023
11754799161,12cyclictest405681-21taskset10:35:093
11754799161,12cyclictest404689-21taskset10:32:493
11754799161,11cyclictest247265-21chrt08:45:253
11754799160,12cyclictest489181-21taskset11:25:343
5249752156,6sleep2526773-21cut11:50:182
5215522151,10sleep1521556-21ssh11:49:501
5215522151,10sleep1521556-21ssh11:49:491
1416752150,4sleep0143557-21tr07:25:210
4836472141,3sleep1483924-21irqcore11:25:161
3044072141,10sleep2304411-21ssh09:28:462
129998140,8rtkit-daemon590186-21ssh12:32:171
5532142131,9sleep0553717-21ssh12:10:180
3274702130,9sleep2327474-21ssh09:43:262
2216632137,3sleep1216204-21/usr/sbin/munin08:25:281
1779032131,9sleep0178035-21grep07:55:150
129998130,8rtkit-daemon537329-21/usr/sbin/munin12:00:181
129998130,8rtkit-daemon222-21plymouthd07:16:071
129998130,4rtkit-daemon222-21plymouthd08:54:560
1170802130,10sleep30-21swapper/307:06:033
5823292120,2sleep00-21swapper/012:26:570
5660472121,3sleep0566249-21/usr/sbin/munin12:15:260
5064042120,9sleep0506180-21sendmail-msp11:40:030
4900042121,8sleep0222-21plymouthd11:28:070
3592772120,4sleep1222-21plymouthd10:05:141
3503982120,9sleep2350404-21ssh09:57:402
3456772121,8sleep0347391-21kthreadcore09:55:190
2616992121,8sleep1262368-21irqrtprio09:00:141
2340962120,3sleep00-21swapper/008:35:210
1524282121,8sleep1153207-21irqrtprio07:35:161
129998120,8rtkit-daemon396310-21ssh10:26:030
129998120,8rtkit-daemon335409-21ssh09:49:062
129998120,4rtkit-daemon703-21mta-sts-daemon10:35:200
5676802114,4sleep1412296-21kworker/u16:2+xprtiod12:19:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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