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2026-04-12 - 22:45
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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 Apr 12, 2026 12:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
76372206173,22sleep00-21swapper/007:06:250
76982203169,22sleep10-21swapper/107:07:131
78062202169,22sleep30-21swapper/307:08:363
77852201169,21sleep20-21swapper/207:08:182
292121370,4sleep2821899cyclictest08:05:182
2134821360,6sleep0821699cyclictest07:35:240
8217995854,2cyclictest231rcuc/110:56:521
8217995754,2cyclictest231rcuc/110:52:021
139391570,1ptp4l401ktimersoftd/307:45:163
8217995653,2cyclictest231rcuc/111:52:281
8217995653,2cyclictest231rcuc/110:27:471
8217995653,2cyclictest231rcuc/108:10:561
8217995622,6cyclictest25-21ksoftirqd/107:25:231
8217995553,1cyclictest231rcuc/107:14:441
8217995552,2cyclictest231rcuc/112:01:461
8217995552,2cyclictest231rcuc/111:47:141
8217995552,2cyclictest231rcuc/109:41:181
145892550,2sleep10-21swapper/108:30:161
139391550,1ptp4l401ktimersoftd/311:31:493
821799545,9cyclictest25-21ksoftirqd/109:05:231
8217995451,2cyclictest231rcuc/108:20:431
224312540,2sleep00-21swapper/011:00:230
821799535,8cyclictest25-21ksoftirqd/108:35:221
821799535,8cyclictest25-21ksoftirqd/108:15:261
821799525,8cyclictest25-21ksoftirqd/108:00:261
8217995119,7cyclictest25-21ksoftirqd/111:13:261
821799502,6cyclictest25-21ksoftirqd/109:35:261
57898500,11rtkit-daemon577-21rtkit-daemon11:32:510
139391500,1ptp4l401ktimersoftd/307:54:063
821799497,6cyclictest25-21ksoftirqd/110:50:001
8217994947,1cyclictest231rcuc/107:53:071
821799493,5cyclictest25-21ksoftirqd/112:20:161
821799483,7cyclictest25-21ksoftirqd/110:15:161
8217994822,3cyclictest25-21ksoftirqd/109:49:091
821799475,7cyclictest25-21ksoftirqd/110:25:011
821799474,7cyclictest25-21ksoftirqd/108:25:171
821799473,6cyclictest25-21ksoftirqd/111:35:161
821799472,6cyclictest25-21ksoftirqd/108:40:121
821799472,6cyclictest25-21ksoftirqd/107:40:241
821799472,5cyclictest25-21ksoftirqd/109:50:231
821799471,10cyclictest25-21ksoftirqd/109:55:141
821799466,9cyclictest25-21ksoftirqd/111:00:221
821799465,8cyclictest25-21ksoftirqd/109:10:171
821799465,7cyclictest25-21ksoftirqd/110:40:131
821799465,7cyclictest25-21ksoftirqd/109:00:181
821799464,8cyclictest25-21ksoftirqd/112:30:271
821799464,7cyclictest25-21ksoftirqd/111:20:141
821799464,4cyclictest25-21ksoftirqd/110:05:251
8216994639,4cyclictest28106-21cron11:14:590
290152460,4sleep3821999cyclictest10:05:253
821799456,7cyclictest25-21ksoftirqd/112:25:241
821799455,8cyclictest25-21ksoftirqd/111:40:131
821799455,4cyclictest25-21ksoftirqd/111:05:131
821799454,7cyclictest25-21ksoftirqd/111:25:211
821799454,6cyclictest25-21ksoftirqd/112:15:141
821799451,6cyclictest25-21ksoftirqd/109:34:441
821799445,7cyclictest25-21ksoftirqd/112:15:001
821799445,6cyclictest25-21ksoftirqd/110:35:151
821799444,7cyclictest25-21ksoftirqd/108:50:241
821799444,6cyclictest25-21ksoftirqd/110:30:121
821799444,6cyclictest25-21ksoftirqd/108:45:151
821799443,7cyclictest25-21ksoftirqd/111:30:211
821799443,6cyclictest25-21ksoftirqd/107:30:221
821799442,6cyclictest25-21ksoftirqd/108:10:011
821799441,6cyclictest25-21ksoftirqd/107:35:471
821799441,5cyclictest0-21swapper/111:55:121
8217994413,3cyclictest25-21ksoftirqd/109:24:171
139391440,0ptp4l401ktimersoftd/309:00:223
821799436,7cyclictest25-21ksoftirqd/108:55:141
821799436,7cyclictest25-21ksoftirqd/108:55:141
821799434,8cyclictest25-21ksoftirqd/110:00:151
8217994337,3cyclictest207-21systemd-journal09:30:001
821799433,5cyclictest25-21ksoftirqd/112:35:241
821799431,7cyclictest25-21ksoftirqd/107:55:231
821799431,7cyclictest25-21ksoftirqd/107:55:231
821799425,7cyclictest25-21ksoftirqd/107:20:211
821799425,6cyclictest25-21ksoftirqd/107:15:241
821799422,7cyclictest25-21ksoftirqd/112:05:131
821799422,3cyclictest25-21ksoftirqd/109:15:251
821799421,7cyclictest25-21ksoftirqd/107:45:161
8218994134,4cyclictest17484-21cron09:45:002
139391410,0ptp4l401ktimersoftd/312:27:363
139391410,0ptp4l401ktimersoftd/310:50:373
139391410,0ptp4l401ktimersoftd/310:26:413
139391410,0ptp4l401ktimersoftd/308:44:473
8217994014,5cyclictest25-21ksoftirqd/111:19:231
821799386,6cyclictest25-21ksoftirqd/110:10:221
8218993731,4cyclictest33-21ksoftirqd/211:27:402
8216993731,4cyclictest9-21ksoftirqd/010:33:220
8219993631,3cyclictest41-21ksoftirqd/309:40:013
8218993630,4cyclictest33-21ksoftirqd/211:39:442
8218993630,4cyclictest33-21ksoftirqd/210:46:452
8218993630,3cyclictest33-21ksoftirqd/212:21:582
8216993632,2cyclictest27245-21cron07:50:000
139391360,0ptp4l401ktimersoftd/311:05:233
8219993529,4cyclictest41-21ksoftirqd/312:14:433
8219993529,4cyclictest41-21ksoftirqd/311:12:053
8219993529,4cyclictest41-21ksoftirqd/310:46:413
8219993529,4cyclictest41-21ksoftirqd/310:44:593
8219993529,4cyclictest41-21ksoftirqd/309:10:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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