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2026-03-31 - 10:33
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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 rackdslot1.osadl.org (updated Tue Mar 31, 2026 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1439522020,11sleep114413-21sort19:05:051
1960721960,4sleep019543-21sh19:05:140
134691900,4getstats0-21swapper/320:20:213
134691750,1getstats21765-1kworker/2:1H20:15:222
6175997128,5cyclictest9-21ksoftirqd/020:40:220
6177996636,13cyclictest33-21ksoftirqd/200:20:162
6176996631,8cyclictest25-21ksoftirqd/119:55:221
297092660,4sleep229753-21sh19:06:152
6176996433,4cyclictest25-21ksoftirqd/119:10:231
6176996432,4cyclictest25-21ksoftirqd/123:05:261
6175996417,6cyclictest0-21swapper/020:05:000
6176996236,3cyclictest25-21ksoftirqd/119:15:131
6176996231,7cyclictest25-21ksoftirqd/123:50:161
6175996233,3cyclictest9-21ksoftirqd/019:20:230
6176996131,3cyclictest25-21ksoftirqd/123:10:291
6176996130,3cyclictest25-21ksoftirqd/120:00:131
6176996129,4cyclictest25-21ksoftirqd/119:34:551
134491610,6ptp4l22680-21wc19:06:043
134491610,4ptp4l24887-21apt-get21:00:133
6177996016,4cyclictest33-21ksoftirqd/222:10:162
6176996032,3cyclictest25-21ksoftirqd/122:35:161
6176996031,6cyclictest25-21ksoftirqd/123:20:191
6176996021,7cyclictest25-21ksoftirqd/120:50:171
6176995914,9cyclictest25-21ksoftirqd/122:30:011
134491590,4ptp4l0-21swapper/319:44:353
6177995815,5cyclictest33-21ksoftirqd/221:40:002
6176995829,4cyclictest25-21ksoftirqd/100:35:291
617599586,9cyclictest9-21ksoftirqd/020:10:160
134491580,4ptp4l0-21swapper/319:55:253
134491580,3ptp4l0-21swapper/223:24:482
134491580,3ptp4l0-21swapper/220:03:262
134491580,3ptp4l0-21swapper/023:12:390
6177995719,7cyclictest33-21ksoftirqd/219:22:412
6177995718,5cyclictest33-21ksoftirqd/221:46:582
6177995717,18cyclictest33-21ksoftirqd/220:45:272
6177995715,10cyclictest33-21ksoftirqd/220:38:192
617699574,9cyclictest25-21ksoftirqd/121:00:281
617599578,8cyclictest6252-21cron22:39:590
134491570,4ptp4l0-21swapper/200:12:032
6177995619,4cyclictest33-21ksoftirqd/222:35:282
6177995614,9cyclictest33-21ksoftirqd/222:48:202
6177995614,9cyclictest33-21ksoftirqd/219:48:282
6177995613,10cyclictest33-21ksoftirqd/220:24:472
617699567,8cyclictest25-21ksoftirqd/123:45:001
6176995611,6cyclictest25-21ksoftirqd/100:19:401
6175995618,4cyclictest9-21ksoftirqd/021:40:140
134491560,4ptp4l0-21swapper/323:05:233
134491560,3ptp4l0-21swapper/320:42:583
134491560,3ptp4l0-21swapper/223:35:472
134491560,3ptp4l0-21swapper/222:43:192
134491560,15ptp4l0-21swapper/300:17:483
6177995520,10cyclictest33-21ksoftirqd/200:30:002
6177995518,5cyclictest33-21ksoftirqd/200:00:152
6177995516,12cyclictest33-21ksoftirqd/223:01:212
6177995516,10cyclictest33-21ksoftirqd/221:17:532
617699555,8cyclictest25-21ksoftirqd/120:20:161
617699553,8cyclictest25-21ksoftirqd/121:25:231
6176995526,8cyclictest25-21ksoftirqd/122:20:241
6176995525,3cyclictest25-21ksoftirqd/100:10:141
617599554,9cyclictest9-21ksoftirqd/019:10:270
617599553,9cyclictest9-21ksoftirqd/020:15:250
617599553,11cyclictest9-21ksoftirqd/000:00:230
134491550,4ptp4l0-21swapper/200:07:062
134491550,4ptp4l0-21swapper/000:15:030
6177995417,9cyclictest33-21ksoftirqd/200:00:002
6177995417,13cyclictest33-21ksoftirqd/200:17:262
6177995414,13cyclictest33-21ksoftirqd/219:13:422
6177995412,9cyclictest33-21ksoftirqd/219:27:142
6177995412,10cyclictest33-21ksoftirqd/220:59:042
617699545,7cyclictest25-21ksoftirqd/123:39:591
6176995425,4cyclictest25-21ksoftirqd/120:25:291
617599546,3cyclictest9-21ksoftirqd/023:20:110
617599543,10cyclictest9-21ksoftirqd/019:30:010
134491540,4ptp4l0-21swapper/223:34:522
134491540,3ptp4l0-21swapper/222:55:132
6177995333,2cyclictest33-21ksoftirqd/220:28:432
6177995324,4cyclictest33-21ksoftirqd/219:40:002
6177995320,7cyclictest33-21ksoftirqd/223:43:372
6177995317,5cyclictest33-21ksoftirqd/221:55:002
6177995316,10cyclictest33-21ksoftirqd/221:21:352
6177995315,5cyclictest33-21ksoftirqd/221:33:222
6177995314,9cyclictest33-21ksoftirqd/222:21:162
6177995314,13cyclictest33-21ksoftirqd/219:41:382
6177995313,9cyclictest33-21ksoftirqd/220:51:262
6177995313,9cyclictest33-21ksoftirqd/200:30:542
6177995313,8cyclictest33-21ksoftirqd/223:25:272
6177995313,10cyclictest33-21ksoftirqd/223:48:552
617699535,7cyclictest25-21ksoftirqd/120:30:171
617699531,9cyclictest25-21ksoftirqd/121:55:271
6176995318,3cyclictest25-21ksoftirqd/119:35:251
617599535,9cyclictest9-21ksoftirqd/022:55:200
617599535,6cyclictest9-21ksoftirqd/023:40:000
617599533,9cyclictest14349-21cut21:45:180
617599533,8cyclictest18248-21awk00:15:000
617599533,6cyclictest9-21ksoftirqd/020:25:180
134491530,4ptp4l0-21swapper/300:14:363
134491530,4ptp4l0-21swapper/222:34:012
134491530,3ptp4l0-21swapper/320:32:383
6177995217,4cyclictest33-21ksoftirqd/223:50:192
6177995216,4cyclictest33-21ksoftirqd/222:00:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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