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2026-03-22 - 18:03
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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
Characteristics of the 100 highest latencies:
System rackdslot3.osadl.org (updated Sun Mar 22, 2026 12:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491211177,22phc2sys0-21swapper/307:07:043
141492207174,22sleep10-21swapper/107:08:291
140292202168,22sleep00-21swapper/007:06:540
140882201168,22sleep20-21swapper/207:07:402
2014921600,1sleep00-21swapper/010:45:010
14571996628,10cyclictest33-21ksoftirqd/208:30:182
14571996432,5cyclictest33-21ksoftirqd/210:15:232
14571996330,4cyclictest33-21ksoftirqd/207:50:272
14571996232,4cyclictest33-21ksoftirqd/208:40:182
14571996230,6cyclictest33-21ksoftirqd/207:15:272
14571996229,5cyclictest33-21ksoftirqd/208:45:262
14571996229,10cyclictest33-21ksoftirqd/210:25:232
1457199616,2cyclictest33-21ksoftirqd/210:45:012
14571996129,6cyclictest33-21ksoftirqd/208:05:192
14571996129,5cyclictest33-21ksoftirqd/211:05:182
14571996121,7cyclictest33-21ksoftirqd/211:40:202
14571996031,3cyclictest33-21ksoftirqd/209:00:242
14571996027,4cyclictest33-21ksoftirqd/211:20:002
14571996024,6cyclictest33-21ksoftirqd/207:30:002
14571995929,10cyclictest33-21ksoftirqd/212:05:192
14571995925,5cyclictest33-21ksoftirqd/207:20:152
14571995829,4cyclictest33-21ksoftirqd/212:10:262
14571995821,6cyclictest33-21ksoftirqd/207:43:022
14571995729,5cyclictest33-21ksoftirqd/210:35:152
14571995723,6cyclictest33-21ksoftirqd/211:10:172
14571995722,5cyclictest33-21ksoftirqd/210:50:212
14571995722,5cyclictest33-21ksoftirqd/208:00:162
14571995719,11cyclictest33-21ksoftirqd/211:55:232
14571995626,8cyclictest33-21ksoftirqd/209:55:162
14571995626,5cyclictest33-21ksoftirqd/207:45:262
14571995625,5cyclictest33-21ksoftirqd/208:15:232
14571995624,4cyclictest33-21ksoftirqd/211:30:172
14571995521,5cyclictest33-21ksoftirqd/210:45:222
14571995425,6cyclictest33-21ksoftirqd/211:25:002
14571995425,3cyclictest33-21ksoftirqd/210:30:192
14571995421,4cyclictest33-21ksoftirqd/208:50:252
14571995419,10cyclictest33-21ksoftirqd/209:42:522
199862530,2sleep30-21swapper/311:50:233
1457199535,8cyclictest33-21ksoftirqd/208:35:212
1457199534,6cyclictest33-21ksoftirqd/207:40:002
14571995322,6cyclictest33-21ksoftirqd/211:00:132
14571995321,3cyclictest33-21ksoftirqd/208:55:182
14571995320,5cyclictest33-21ksoftirqd/208:10:562
14571995320,11cyclictest33-21ksoftirqd/210:10:222
14571995220,8cyclictest33-21ksoftirqd/208:20:272
1457199516,5cyclictest33-21ksoftirqd/212:00:212
139391510,0ptp4l401ktimersoftd/309:43:323
1457199507,8cyclictest33-21ksoftirqd/211:50:172
1457199505,6cyclictest33-21ksoftirqd/209:20:162
1457199504,4cyclictest33-21ksoftirqd/212:25:002
14571995021,8cyclictest33-21ksoftirqd/209:12:442
14571995019,6cyclictest33-21ksoftirqd/212:15:152
1457199499,3cyclictest33-21ksoftirqd/207:30:212
1457199499,3cyclictest33-21ksoftirqd/207:30:202
1457199496,8cyclictest33-21ksoftirqd/211:45:142
1457199496,6cyclictest33-21ksoftirqd/212:25:262
1457199496,5cyclictest33-21ksoftirqd/207:55:202
1457199495,6cyclictest33-21ksoftirqd/209:15:212
1457199494,8cyclictest33-21ksoftirqd/211:25:222
1457199494,6cyclictest33-21ksoftirqd/209:45:172
1457199486,2cyclictest33-21ksoftirqd/210:00:202
1457199485,6cyclictest33-21ksoftirqd/212:35:012
1457199484,5cyclictest33-21ksoftirqd/210:55:182
1457199475,5cyclictest33-21ksoftirqd/212:35:172
1457199474,9cyclictest33-21ksoftirqd/209:35:242
1457199474,8cyclictest33-21ksoftirqd/208:25:222
1457199470,11cyclictest33-21ksoftirqd/211:35:152
1457199464,6cyclictest33-21ksoftirqd/209:30:152
1457199463,6cyclictest33-21ksoftirqd/209:05:222
1457199462,9cyclictest33-21ksoftirqd/209:54:072
14571994616,6cyclictest33-21ksoftirqd/210:05:142
1457199460,6cyclictest321ktimersoftd/209:25:222
1457199453,7cyclictest33-21ksoftirqd/210:20:152
1457199433,2cyclictest33-21ksoftirqd/207:10:222
14570994337,3cyclictest25-21ksoftirqd/108:20:001
139391430,0ptp4l401ktimersoftd/311:25:273
139391430,0ptp4l401ktimersoftd/309:21:583
1456999410,5cyclictest121rcu_preempt07:45:000
139391410,0ptp4l401ktimersoftd/311:03:503
14570993929,3cyclictest17801-21latency_hist10:40:011
14569993833,3cyclictest9-21ksoftirqd/010:30:200
14572993713,22cyclictest11602-21sshd09:19:043
14572993713,21cyclictest1358-21cut10:05:153
14570993733,3cyclictest25-21ksoftirqd/110:25:011
14570993732,3cyclictest25-21ksoftirqd/109:00:011
14570993732,3cyclictest25-21ksoftirqd/107:35:011
14570993732,3cyclictest25-21ksoftirqd/107:35:001
14570993731,4cyclictest25-21ksoftirqd/109:46:011
14569993732,2cyclictest9-21ksoftirqd/007:55:000
14569993723,5cyclictest9-21ksoftirqd/007:17:300
2217323628,3sleep341-21ksoftirqd/311:55:223
14572993631,3cyclictest41-21ksoftirqd/310:13:313
14572993630,4cyclictest41-21ksoftirqd/308:00:253
1457299361,31cyclictest25616-21irqrtprio10:55:173
14570993630,4cyclictest25-21ksoftirqd/111:32:121
14570993630,4cyclictest25-21ksoftirqd/110:28:581
14570993630,4cyclictest25-21ksoftirqd/109:27:321
14570993630,3cyclictest25-21ksoftirqd/111:30:011
14570993619,9cyclictest25-21ksoftirqd/111:55:191
14569993632,3cyclictest9-21ksoftirqd/012:05:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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