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2026-04-05 - 04:31
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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 rackcslot8.osadl.org (updated Sun Apr 05, 2026 00:49:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
171482258249,7sleep250-21swapper/2519:05:2118
196259923437,1cyclictest151rcu_preempt21:50:1630
3273911960,188ptp4l0-21swapper/119:07:001
197049917931,67cyclictest0-21swapper/2423:00:0117
196409917520,117cyclictest0-21swapper/1200:15:254
330891163154,6phc2sys0-21swapper/219:05:1812
197049916114,107cyclictest151rcu_preempt22:50:2317
19665991440,87cyclictest0-21swapper/1719:35:259
196409914420,85cyclictest0-21swapper/1200:10:214
197049914363,66cyclictest0-21swapper/2422:35:5717
196659914310,98cyclictest0-21swapper/1700:21:519
196299914341,27cyclictest0-21swapper/923:34:5831
19608991430,85cyclictest0-21swapper/422:47:3726
197049914115,35cyclictest0-21swapper/2420:50:0717
197049914115,35cyclictest0-21swapper/2420:50:0717
19688991390,84cyclictest0-21swapper/2121:20:1714
19688991390,84cyclictest0-21swapper/2121:20:1614
196409913990,33cyclictest10633-21idleruntime-cro20:20:014
196409913990,33cyclictest10633-21idleruntime-cro20:20:004
196409913919,82cyclictest0-21swapper/1200:37:504
196299913919,43cyclictest0-21swapper/921:56:5431
196299913852,55cyclictest0-21swapper/923:27:4431
197009913714,123cyclictest0-21swapper/2321:41:3816
196509913731,52cyclictest0-21swapper/1421:00:196
196509913731,52cyclictest0-21swapper/1421:00:196
196299913750,61cyclictest0-21swapper/900:03:1831
196089913717,72cyclictest0-21swapper/400:31:2126
197009913614,79cyclictest0-21swapper/2323:07:4116
196409913636,65cyclictest0-21swapper/1200:02:514
19589991360,84cyclictest0-21swapper/020:50:170
19589991360,84cyclictest0-21swapper/020:50:160
196409913515,77cyclictest0-21swapper/1222:54:594
196299913550,59cyclictest0-21swapper/923:36:5731
196299913541,59cyclictest0-21swapper/921:15:1131
196299913530,66cyclictest0-21swapper/900:30:1731
19700991347,123cyclictest1338-21snmpd22:19:3416
196299913450,56cyclictest0-21swapper/922:47:4031
196299913447,60cyclictest0-21swapper/922:27:2131
196299913444,59cyclictest0-21swapper/921:13:3631
196299913444,59cyclictest0-21swapper/921:13:3531
196299913430,69cyclictest0-21swapper/922:50:2031
196299913420,84cyclictest70-21ksoftirqd/921:53:4031
197009913314,87cyclictest0-21swapper/2323:39:1216
196299913351,55cyclictest0-21swapper/923:59:1731
196299913332,72cyclictest0-21swapper/919:10:0931
196299913331,73cyclictest0-21swapper/922:21:2931
196299913328,71cyclictest0-21swapper/922:04:5531
196299913328,63cyclictest0-21swapper/922:12:5631
19688991320,80cyclictest0-21swapper/2100:20:1914
196299913246,56cyclictest0-21swapper/923:49:3931
196299913230,75cyclictest0-21swapper/900:38:1831
196299913230,71cyclictest0-21swapper/921:48:5231
196299913230,70cyclictest0-21swapper/922:43:2331
196299913229,68cyclictest0-21swapper/921:38:4331
196299913229,66cyclictest0-21swapper/923:41:5531
196299913229,65cyclictest0-21swapper/921:42:2831
196299913228,67cyclictest0-21swapper/923:16:1631
196299913227,67cyclictest0-21swapper/921:29:0531
196299913227,67cyclictest0-21swapper/921:21:3731
196299913227,67cyclictest0-21swapper/921:21:3731
19608991329,77cyclictest0-21swapper/400:39:0826
19688991310,78cyclictest0-21swapper/2122:35:3514
196409913130,66cyclictest0-21swapper/1223:19:344
196409913125,60cyclictest0-21swapper/1221:46:174
196409913119,75cyclictest0-21swapper/1222:22:564
196299913152,77cyclictest0-21swapper/920:10:2031
196299913152,77cyclictest0-21swapper/920:10:2031
196299913130,72cyclictest0-21swapper/920:25:3131
196299913130,72cyclictest0-21swapper/920:25:3131
196299913129,68cyclictest0-21swapper/900:23:2131
196299913128,68cyclictest0-21swapper/922:05:2731
196299913128,66cyclictest0-21swapper/900:09:5931
196299913127,71cyclictest0-21swapper/923:14:5631
196299913031,77cyclictest0-21swapper/900:19:2231
196299913030,75cyclictest0-21swapper/923:09:3431
196299913030,72cyclictest0-21swapper/919:41:0931
196299913029,73cyclictest0-21swapper/900:12:3931
196299913029,64cyclictest0-21swapper/919:32:3731
19608991300,69cyclictest0-21swapper/419:40:2026
195899913050,57cyclictest0-21swapper/021:49:030
196659912933,86cyclictest151rcu_preempt00:04:359
196409912946,64cyclictest0-21swapper/1223:23:524
196409912936,60cyclictest0-21swapper/1221:39:514
196089912930,67cyclictest0-21swapper/423:38:4226
196409912842,59cyclictest0-21swapper/1222:16:454
196409912842,58cyclictest0-21swapper/1221:13:094
196409912842,58cyclictest0-21swapper/1221:13:084
196299912831,72cyclictest0-21swapper/922:15:5131
196299912829,72cyclictest0-21swapper/900:28:0831
196299912827,68cyclictest0-21swapper/922:55:4831
196299912827,67cyclictest0-21swapper/920:45:4931
196299912827,67cyclictest0-21swapper/920:45:4831
196409912737,60cyclictest0-21swapper/1219:35:214
196409912726,65cyclictest0-21swapper/1222:34:094
196299912752,68cyclictest0-21swapper/919:25:0831
196299912751,69cyclictest0-21swapper/921:00:1431
196299912751,69cyclictest0-21swapper/921:00:1331
196299912731,73cyclictest0-21swapper/921:34:5931
196299912729,66cyclictest0-21swapper/919:57:4231
196409912648,57cyclictest0-21swapper/1220:22:574
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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