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2026-05-23 - 20:01
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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 Sat May 23, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491226198,19phc2sys0-21swapper/307:05:593
230212206173,22sleep00-21swapper/007:08:200
230222205172,22sleep10-21swapper/107:08:211
229092202169,22sleep20-21swapper/207:06:532
1296821660,4sleep12344799cyclictest11:15:241
23446997430,6cyclictest9-21ksoftirqd/009:00:010
23446997027,4cyclictest9-21ksoftirqd/009:45:240
23447996721,6cyclictest25-21ksoftirqd/109:25:001
23446996629,8cyclictest9-21ksoftirqd/008:45:160
23446996422,4cyclictest9-21ksoftirqd/010:20:170
23446996329,4cyclictest9-21ksoftirqd/010:50:160
23446996323,8cyclictest9-21ksoftirqd/008:25:260
23446996128,7cyclictest9-21ksoftirqd/010:35:000
23447996023,7cyclictest25-21ksoftirqd/112:00:011
23447996022,7cyclictest25-21ksoftirqd/109:30:151
239452590,2sleep30-21swapper/311:40:003
23446995929,3cyclictest9-21ksoftirqd/010:00:010
23446995927,4cyclictest9-21ksoftirqd/008:55:010
23446995918,5cyclictest9-21ksoftirqd/009:27:200
23447995829,13cyclictest25-21ksoftirqd/112:10:211
23446995830,3cyclictest9-21ksoftirqd/007:40:230
23446995820,6cyclictest9-21ksoftirqd/011:40:010
23446995720,8cyclictest9-21ksoftirqd/010:25:230
23446995720,4cyclictest9-21ksoftirqd/007:20:260
23446995718,10cyclictest9-21ksoftirqd/012:25:000
23448995623,4cyclictest33-21ksoftirqd/210:20:212
23447995627,7cyclictest25-21ksoftirqd/111:05:001
23447995625,5cyclictest25-21ksoftirqd/109:55:151
23447995521,4cyclictest25-21ksoftirqd/111:20:121
23447995512,10cyclictest25-21ksoftirqd/108:55:241
23446995518,5cyclictest9-21ksoftirqd/008:11:120
23446995516,7cyclictest9-21ksoftirqd/008:34:110
23446995516,7cyclictest9-21ksoftirqd/007:39:320
139391550,1ptp4l401ktimersoftd/311:45:203
23446995421,6cyclictest9-21ksoftirqd/010:55:240
23446995417,7cyclictest9-21ksoftirqd/011:30:470
23447995325,4cyclictest25-21ksoftirqd/110:15:241
23447995323,4cyclictest25-21ksoftirqd/108:55:001
23447995322,4cyclictest25-21ksoftirqd/112:00:171
23447995321,7cyclictest25-21ksoftirqd/112:19:281
23447995319,4cyclictest25-21ksoftirqd/110:55:001
23447995313,10cyclictest25-21ksoftirqd/111:00:231
23446995327,3cyclictest9-21ksoftirqd/010:10:180
23446995321,4cyclictest9-21ksoftirqd/010:05:000
23446995321,4cyclictest9-21ksoftirqd/009:15:150
23448995223,10cyclictest33-21ksoftirqd/211:05:192
23447995223,3cyclictest25-21ksoftirqd/108:50:011
23447995219,8cyclictest25-21ksoftirqd/111:35:181
23446995217,5cyclictest9-21ksoftirqd/011:59:500
23446995216,7cyclictest9-21ksoftirqd/009:54:510
23448995143,5cyclictest13755-21turbostat11:20:002
23447995136,3cyclictest25-21ksoftirqd/109:40:001
23447995135,3cyclictest25-21ksoftirqd/109:45:281
23447995126,4cyclictest25-21ksoftirqd/109:05:261
23447995121,4cyclictest25-21ksoftirqd/107:50:001
23447995120,4cyclictest25-21ksoftirqd/108:40:001
23447995116,3cyclictest25-21ksoftirqd/107:10:241
23446995125,3cyclictest9-21ksoftirqd/009:35:210
23448995029,4cyclictest33-21ksoftirqd/211:30:202
23447995020,4cyclictest25-21ksoftirqd/108:30:191
23447995019,6cyclictest25-21ksoftirqd/111:10:421
23447995019,5cyclictest25-21ksoftirqd/108:20:251
23447995019,4cyclictest25-21ksoftirqd/109:50:231
23447995018,4cyclictest25-21ksoftirqd/110:20:151
23447994924,4cyclictest25-21ksoftirqd/107:30:181
23447994917,4cyclictest25-21ksoftirqd/111:25:271
23447994916,3cyclictest25-21ksoftirqd/111:40:191
23447994915,11cyclictest25-21ksoftirqd/110:45:151
23447994910,8cyclictest25-21ksoftirqd/108:10:251
23446994916,4cyclictest9-21ksoftirqd/007:31:570
23447994820,9cyclictest25-21ksoftirqd/107:35:281
23447994819,4cyclictest25-21ksoftirqd/112:20:161
23447994816,6cyclictest25-21ksoftirqd/107:15:191
23447994816,14cyclictest25-21ksoftirqd/109:40:141
2344699486,3cyclictest9-21ksoftirqd/012:30:130
23446994818,4cyclictest9-21ksoftirqd/009:08:540
23448994731,14cyclictest33-21ksoftirqd/212:30:002
23447994738,2cyclictest25-21ksoftirqd/112:25:161
23447994731,4cyclictest25-21ksoftirqd/108:40:281
23447994723,5cyclictest25-21ksoftirqd/109:15:191
23447994719,4cyclictest25-21ksoftirqd/109:10:171
23447994715,3cyclictest25-21ksoftirqd/110:30:141
23447994714,3cyclictest25-21ksoftirqd/108:00:171
2344699474,7cyclictest9-21ksoftirqd/010:15:000
2344699474,4cyclictest9-21ksoftirqd/012:39:590
2344699474,2cyclictest121rcu_preempt07:25:150
2344699474,2cyclictest121rcu_preempt07:25:150
23446994729,7cyclictest9-21ksoftirqd/009:40:130
2344699472,2cyclictest121rcu_preempt08:40:270
23447994634,3cyclictest25-21ksoftirqd/110:05:161
23447994631,4cyclictest25-21ksoftirqd/107:25:151
23447994631,4cyclictest25-21ksoftirqd/107:25:151
23447994617,4cyclictest25-21ksoftirqd/110:10:181
23447994615,3cyclictest25-21ksoftirqd/111:45:001
23447994613,4cyclictest25-21ksoftirqd/108:16:021
23447994612,11cyclictest25-21ksoftirqd/107:55:181
2344699467,9cyclictest9-21ksoftirqd/008:15:150
2344699466,6cyclictest9-21ksoftirqd/011:10:420
2344699465,2cyclictest121rcu_preempt10:45:220
2344699463,2cyclictest121rcu_preempt11:35:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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