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2026-06-21 - 19:55
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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 Jun 21, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150221121840,2sleep2222-21plymouthd09:50:212
1278937992623,1cyclictest0-21swapper/312:30:283
1278937992522,1cyclictest0-21swapper/312:10:253
1278937992522,1cyclictest0-21swapper/310:05:023
1278937992421,1cyclictest0-21swapper/308:10:013
1278937992420,1cyclictest0-21swapper/310:50:003
1278937992320,1cyclictest0-21swapper/309:40:023
1278937992320,1cyclictest0-21swapper/308:40:003
1278937992219,1cyclictest0-21swapper/308:40:163
1278937992219,1cyclictest0-21swapper/308:05:013
127893799213,13cyclictest1435303-21chrt09:10:013
1278937992119,1cyclictest0-21swapper/309:40:133
1278937992119,0cyclictest0-21swapper/310:10:213
1278937992118,1cyclictest0-21swapper/312:20:023
1278937992118,1cyclictest0-21swapper/311:50:013
1278937992118,1cyclictest0-21swapper/311:20:213
1278937992118,1cyclictest0-21swapper/309:20:113
1278937992118,1cyclictest0-21swapper/307:35:003
127893799211,15cyclictest1695784-21taskset11:56:593
1278937992018,1cyclictest0-21swapper/309:33:403
1278937992018,1cyclictest0-21swapper/307:40:033
1278937992018,1cyclictest0-21swapper/307:18:303
1278937992017,1cyclictest0-21swapper/311:25:293
1278937992017,1cyclictest0-21swapper/311:00:253
1278937992017,1cyclictest0-21swapper/310:40:073
1278937992017,1cyclictest0-21swapper/310:35:153
1278937992017,1cyclictest0-21swapper/310:20:013
1278937992017,1cyclictest0-21swapper/309:00:243
127893799192,13cyclictest1657983-21taskset11:33:413
127893799192,13cyclictest1621548-21taskset11:10:163
127893799192,13cyclictest1442679-21taskset09:14:093
1278937991917,1cyclictest0-21swapper/311:52:033
1278937991917,1cyclictest0-21swapper/311:18:223
1278937991917,1cyclictest0-21swapper/311:06:113
1278937991916,1cyclictest0-21swapper/312:26:553
1278937991916,1cyclictest0-21swapper/312:02:523
1278937991916,1cyclictest0-21swapper/311:42:073
1278937991916,1cyclictest0-21swapper/310:20:193
1278937991916,1cyclictest0-21swapper/309:50:003
1278937991916,1cyclictest0-21swapper/307:35:453
1278937991916,1cyclictest0-21swapper/307:20:133
1278937991915,2cyclictest0-21swapper/309:52:423
127893799191,14cyclictest1756131-21taskset12:35:203
127893799191,14cyclictest1377302-21taskset08:22:183
1278937991816,1cyclictest0-21swapper/310:31:233
1278937991816,1cyclictest0-21swapper/309:16:423
1278937991816,1cyclictest0-21swapper/308:53:313
1278937991815,1cyclictest0-21swapper/312:05:113
1278937991815,1cyclictest0-21swapper/310:25:553
1278937991815,1cyclictest0-21swapper/308:12:153
1278937991815,1cyclictest0-21swapper/307:51:223
127893799181,13cyclictest1665172-21taskset11:37:073
127893799181,13cyclictest1603478-21taskset10:56:333
127893799181,13cyclictest1594976-21taskset10:50:233
127893799181,13cyclictest1512171-21taskset09:59:563
127893799181,13cyclictest1458670-21taskset09:25:123
127893799181,13cyclictest1339187-21chrt07:55:113
16975502177,7sleep21697972-21cut12:00:172
127893799171,9cyclictest1377549-21sleep08:29:553
1278937991715,1cyclictest0-21swapper/308:45:173
1278937991715,1cyclictest0-21swapper/307:29:293
1278937991714,1cyclictest0-21swapper/312:15:203
1278937991714,1cyclictest0-21swapper/308:31:423
1278937991714,1cyclictest0-21swapper/308:15:543
127893799171,12cyclictest1418057-21taskset08:55:163
127893799171,12cyclictest1329789-21taskset07:45:173
127893799171,12cyclictest1279145-21chrt07:10:133
16265442161,11sleep01626550-21ssh11:11:340
127893799161,12cyclictest1526329-21taskset10:06:093
17331302151,10sleep01733176-21ntpq12:20:220
13832622150,5sleep21383427-21sed08:25:262
13001432150,2sleep00-21swapper/007:23:430
16577832141,10sleep11657785-21ssh11:33:081
15271222140,11sleep11527126-21ssh10:08:291
12786142140,2sleep30-21swapper/307:07:383
16811122130,1sleep00-21swapper/011:49:070
15273702130,4sleep21527374-21ssh10:09:142
15141622130,5sleep11515830-21kthreadcore10:00:201
14569522131,8sleep11456958-21ssh09:20:411
12937082130,2sleep20-21swapper/207:18:392
17433772121,8sleep21743520-21grep12:30:152
16725692121,8sleep11672571-21ssh11:41:111
15492212121,2sleep10-21swapper/110:20:271
14990842121,8sleep01500241-21kthreadcore09:50:200
14877532121,3sleep2222-21plymouthd09:40:592
14349862121,3sleep0222-21plymouthd09:06:330
14230922121,8sleep21423445-21irqcore09:00:182
12726882121,5sleep21272721-21apt-get07:05:132
17100632110,8sleep01710101-21ntpq12:05:230
16017572116,2sleep21602403-21wc10:55:212
15740892111,3sleep11574124-21apt-get10:40:121
14739592110,8sleep21473992-21apt-get09:35:102
14492502111,8sleep21449254-21ssh09:15:462
14306822110,1sleep20-21swapper/209:05:192
14279102111,7sleep01427953-21ntpq09:00:240
13907792111,7sleep21390934-21gltestperf08:35:162
13380082111,7sleep11338045-21ntpq07:50:261
13056182110,8sleep11300550-21/usr/sbin/munin07:25:191
12955112110,9sleep10-21swapper/107:20:181
17484642102,4sleep11748507-21ntpq12:30:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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