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2025-12-17 - 21:28
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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 Wed Dec 17, 2025 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
734722370,18sleep30-21swapper/307:05:253
92142207174,22sleep00-21swapper/007:09:580
91202204171,22sleep10-21swapper/107:08:461
90012203170,22sleep20-21swapper/207:07:182
2978121690,6sleep1951099cyclictest11:15:001
743521590,5sleep1951099cyclictest10:25:221
9511997020,10cyclictest33-21ksoftirqd/208:55:182
9511997020,10cyclictest33-21ksoftirqd/208:55:182
9511996734,3cyclictest33-21ksoftirqd/207:55:002
9511996025,6cyclictest33-21ksoftirqd/211:00:012
9511996025,6cyclictest33-21ksoftirqd/211:00:012
7792600,6sleep2951199cyclictest09:05:202
9510995825,7cyclictest25-21ksoftirqd/108:50:181
9511995723,8cyclictest33-21ksoftirqd/211:49:592
9511995723,6cyclictest33-21ksoftirqd/208:50:142
139391570,1ptp4l401ktimersoftd/311:51:213
9511995627,4cyclictest33-21ksoftirqd/211:35:172
9510995625,6cyclictest25-21ksoftirqd/107:15:181
9511995522,4cyclictest33-21ksoftirqd/212:30:222
9510995550,3cyclictest231rcuc/112:05:311
9510995523,6cyclictest25-21ksoftirqd/109:25:001
9510995520,7cyclictest25-21ksoftirqd/110:05:001
9511995424,7cyclictest33-21ksoftirqd/208:10:212
9511995423,4cyclictest33-21ksoftirqd/210:05:152
9511995423,10cyclictest33-21ksoftirqd/210:30:182
9511995420,8cyclictest33-21ksoftirqd/207:25:212
9511995420,8cyclictest33-21ksoftirqd/207:25:212
9511995415,7cyclictest33-21ksoftirqd/210:24:592
9510995426,8cyclictest25-21ksoftirqd/108:20:171
123452540,4sleep0101ktimersoftd/007:15:140
9511995338,2cyclictest33-21ksoftirqd/207:10:342
9511995334,6cyclictest33-21ksoftirqd/211:33:372
9511995324,4cyclictest33-21ksoftirqd/209:45:202
9511995324,4cyclictest33-21ksoftirqd/209:00:142
9511995323,6cyclictest33-21ksoftirqd/209:45:002
9511995322,4cyclictest33-21ksoftirqd/209:30:222
9511995320,6cyclictest33-21ksoftirqd/211:10:002
9511995320,6cyclictest33-21ksoftirqd/207:45:132
9511995319,8cyclictest33-21ksoftirqd/208:20:222
9511995318,9cyclictest33-21ksoftirqd/209:30:002
9511995318,9cyclictest33-21ksoftirqd/209:30:002
9511995317,6cyclictest33-21ksoftirqd/209:55:212
9511995317,6cyclictest33-21ksoftirqd/209:55:202
9511995317,12cyclictest33-21ksoftirqd/208:39:132
9510995324,7cyclictest25-21ksoftirqd/111:40:241
9510995322,5cyclictest25-21ksoftirqd/108:40:111
9510995321,8cyclictest25-21ksoftirqd/108:35:211
9510995321,7cyclictest25-21ksoftirqd/107:50:191
9511995221,6cyclictest33-21ksoftirqd/209:35:132
9511995218,6cyclictest33-21ksoftirqd/207:30:222
9511995216,5cyclictest33-21ksoftirqd/210:25:112
951099526,10cyclictest25-21ksoftirqd/108:10:211
9511995123,6cyclictest33-21ksoftirqd/210:15:162
9511995121,4cyclictest33-21ksoftirqd/212:25:222
9511995121,4cyclictest33-21ksoftirqd/212:25:222
9511995120,4cyclictest33-21ksoftirqd/211:55:132
9511995120,4cyclictest33-21ksoftirqd/211:55:132
9511995118,6cyclictest33-21ksoftirqd/212:10:222
9511995118,4cyclictest33-21ksoftirqd/212:15:182
9511995117,6cyclictest33-21ksoftirqd/209:15:162
9511995117,5cyclictest33-21ksoftirqd/208:45:172
9511995116,6cyclictest33-21ksoftirqd/209:10:142
951099516,4cyclictest25-21ksoftirqd/110:35:231
951099515,8cyclictest25-21ksoftirqd/109:15:171
9510995148,2cyclictest231rcuc/109:38:241
9510995147,2cyclictest231rcuc/108:45:381
9510995121,8cyclictest25-21ksoftirqd/111:40:001
9510995120,8cyclictest25-21ksoftirqd/108:55:011
9510995120,8cyclictest25-21ksoftirqd/108:55:011
9511995021,4cyclictest33-21ksoftirqd/211:00:182
9511995021,3cyclictest33-21ksoftirqd/208:00:162
9511995017,6cyclictest33-21ksoftirqd/211:15:142
9511995013,6cyclictest33-21ksoftirqd/209:50:222
951099506,8cyclictest25-21ksoftirqd/111:25:271
951099506,8cyclictest25-21ksoftirqd/111:25:271
951099505,8cyclictest16923-21grep11:55:131
951099505,8cyclictest16923-21grep11:55:131
951099504,8cyclictest25-21ksoftirqd/112:00:251
951099504,8cyclictest25-21ksoftirqd/107:20:121
951099503,9cyclictest25-21ksoftirqd/109:50:241
9510995021,6cyclictest25-21ksoftirqd/107:31:501
951199494,3cyclictest121rcu_preempt11:10:112
9511994931,16cyclictest33-21ksoftirqd/208:30:002
9511994931,16cyclictest33-21ksoftirqd/208:29:592
9511994923,6cyclictest33-21ksoftirqd/207:25:002
9511994920,7cyclictest33-21ksoftirqd/211:20:242
9511994919,4cyclictest33-21ksoftirqd/207:35:272
9511994919,3cyclictest33-21ksoftirqd/210:35:232
9511994917,4cyclictest33-21ksoftirqd/212:05:192
9511994917,4cyclictest33-21ksoftirqd/212:05:002
9511994916,7cyclictest33-21ksoftirqd/208:30:202
9511994916,5cyclictest33-21ksoftirqd/208:15:182
951099496,4cyclictest25-21ksoftirqd/108:25:231
951099496,4cyclictest25-21ksoftirqd/108:25:231
951099496,10cyclictest25-21ksoftirqd/107:30:001
951099496,10cyclictest25-21ksoftirqd/107:30:001
951099495,9cyclictest25-21ksoftirqd/109:05:131
951099495,10cyclictest25-21ksoftirqd/109:10:261
951099493,8cyclictest25-21ksoftirqd/111:50:251
951099493,6cyclictest25-21ksoftirqd/112:30:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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