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2025-11-27 - 03:56
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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 Thu Nov 27, 2025 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
70931993424,7cyclictest199925-21sleep21:00:003
70931992219,1cyclictest0-21swapper/322:25:243
7093199221,17cyclictest512912-21turbostat00:15:003
70931992118,1cyclictest0-21swapper/321:35:003
70931992118,1cyclictest0-21swapper/321:15:223
70931992114,5cyclictest129406-21turbostat19:55:013
29389822117,2sleep20-21swapper/222:00:012
70931992017,1cyclictest0-21swapper/322:55:223
70931992017,1cyclictest0-21swapper/321:04:593
70931991917,1cyclictest0-21swapper/321:25:013
70931991916,1cyclictest0-21swapper/322:15:013
7093199191,14cyclictest187671-21taskset20:50:113
7093199191,13cyclictest367409-21taskset22:45:003
70931991816,1cyclictest0-21swapper/322:00:003
70931991815,1cyclictest0-21swapper/321:25:143
70931991815,1cyclictest0-21swapper/319:55:173
70931991815,1cyclictest0-21swapper/319:45:003
70931991815,1cyclictest0-21swapper/300:20:173
7093199181,13cyclictest77144-21turbostat19:15:003
7093199181,13cyclictest504522-21chrt00:09:163
7093199181,13cyclictest488716-21turbostat00:00:003
7093199181,13cyclictest123123-21turbostat19:50:013
7093199181,13cyclictest123123-21turbostat19:50:003
7093199177,7cyclictest5438272sleep300:32:023
70931991715,1cyclictest0-21swapper/321:50:173
70931991714,1cyclictest0-21swapper/323:35:153
70931991714,1cyclictest0-21swapper/323:10:203
70931991714,1cyclictest0-21swapper/322:20:173
70931991714,1cyclictest0-21swapper/300:35:193
70931991713,1cyclictest0-21swapper/323:00:173
7093199171,12cyclictest496770-21taskset00:04:563
7093199171,12cyclictest496770-21taskset00:04:553
7093199171,12cyclictest305905-21taskset22:05:183
7093199171,12cyclictest173891-21chrt20:31:033
7093199171,12cyclictest166374-21taskset20:20:183
7093199170,12cyclictest148498-21taskset20:09:553
7093199167,7cyclictest3746302sleep322:48:473
7093199167,6cyclictest2687832sleep321:42:553
7093199166,7cyclictest5185102sleep300:15:223
70931991613,1cyclictest0-21swapper/323:40:323
70931991613,1cyclictest0-21swapper/320:20:013
7093199161,12cyclictest91611-21taskset19:22:243
7093199161,12cyclictest85454-21chrt19:19:183
7093199161,12cyclictest446809-21chrt23:31:183
7093199161,12cyclictest432235-21taskset23:25:043
7093199161,12cyclictest431024-21chrt23:23:213
7093199161,12cyclictest382318-21chrt22:52:513
7093199161,12cyclictest167522-21taskset20:25:033
7093199161,12cyclictest110345-21taskset19:36:503
7093199161,11cyclictest141935-21taskset20:00:513
7093199160,12cyclictest470732-21chrt23:45:373
7093199160,12cyclictest212478-21taskset21:09:553
7093199160,12cyclictest180935-21chrt20:42:213
7093199156,6cyclictest2700442sleep321:45:103
70931991512,1cyclictest0-21swapper/323:50:153
70931991512,1cyclictest0-21swapper/320:45:223
7093199151,12cyclictest98303-21taskset19:30:053
7093199151,11cyclictest97783-21taskset19:26:283
7093199151,11cyclictest421747-21taskset23:15:343
7093199151,11cyclictest405747-21taskset23:05:563
7093199151,11cyclictest351276-21chrt22:35:073
7093199151,11cyclictest349897-21taskset22:32:263
7093199151,11cyclictest324955-21taskset22:15:483
7093199151,11cyclictest300300-21taskset22:00:293
7093199151,11cyclictest219319-21chrt21:11:363
7093199151,11cyclictest154528-21taskset20:11:573
7093199150,12cyclictest260696-21chrt21:38:283
7093199150,12cyclictest174484-21chrt20:35:333
70931991411,1cyclictest0-21swapper/300:25:183
2587252140,4sleep1331ktimers/121:35:181
648532131,5sleep164886-21apt-get19:05:121
1864872130,6sleep0186543-21ntp_states20:45:210
147598130,9rtkit-daemon295-21systemd-journal20:39:431
147598130,3rtkit-daemon214-21plymouthd23:18:350
707892120,2sleep30-21swapper/319:09:533
5520662121,8sleep1552072-21ssh00:37:251
5416972120,9sleep0542432-21ssh00:30:180
4637012121,3sleep0212495-21diskmemload23:43:050
3265262120,9sleep1326534-21ssh22:19:281
3259682121,8sleep2325976-21ssh22:18:122
3167492120,8sleep0316757-21ssh22:10:360
3014312120,9sleep2301439-21ssh22:03:092
4555192110,8sleep2455527-21ssh23:37:592
3099872110,8sleep2309993-21ssh22:08:342
2442462111,7sleep2720-21snmpd21:27:462
2291802111,7sleep1229143-21/usr/sbin/munin21:20:121
2272942110,2sleep00-21swapper/021:16:300
147598110,7rtkit-daemon515-21gmain19:25:012
147598110,7rtkit-daemon456-21avahi-daemon00:03:580
147598110,7rtkit-daemon456-21avahi-daemon00:03:580
147598110,6rtkit-daemon341595-21ssh22:26:572
147598110,1rtkit-daemon0-21swapper/122:04:401
5032202100,1sleep00-21swapper/000:06:150
3981272100,7sleep1398134-21sh23:02:001
3603552100,3sleep1361490-21cut22:40:151
3396912100,7sleep0340264-21sort22:25:200
2926552105,2sleep1292663-21ssh21:57:071
2855572100,7sleep2285565-21ssh21:54:282
2782592101,6sleep1278406-21grep21:50:131
2705372101,6sleep0270560-21irqcore21:45:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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