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2026-06-14 - 18:08
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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 rackdslot4.osadl.org (updated Sun Jun 14, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195712203169,23sleep20-21swapper/207:08:042
138591203173,20phc2sys0-21swapper/307:05:583
195122201168,21sleep00-21swapper/007:07:170
195402200167,22sleep10-21swapper/107:07:391
200562560,1sleep120059-21sed12:35:141
20024995327,8cyclictest41-21ksoftirqd/307:50:133
20024995324,9cyclictest41-21ksoftirqd/311:35:133
20024995229,4cyclictest41-21ksoftirqd/308:50:283
138491520,0ptp4l391rcuc/312:00:543
20024995025,9cyclictest41-21ksoftirqd/310:25:223
20024995022,9cyclictest41-21ksoftirqd/309:40:123
20024995022,4cyclictest41-21ksoftirqd/311:40:233
20024994923,8cyclictest41-21ksoftirqd/311:10:243
2002499484,7cyclictest41-21ksoftirqd/307:23:553
2002499471,6cyclictest32102-21date11:55:003
2002499462,6cyclictest41-21ksoftirqd/311:01:063
2002499455,6cyclictest41-21ksoftirqd/307:10:113
2002499452,6cyclictest41-21ksoftirqd/312:11:593
20024994516,7cyclictest41-21ksoftirqd/311:35:003
20022994540,3cyclictest25-21ksoftirqd/111:40:011
50798440,9rtkit-daemon0-21swapper/110:00:101
2002499448,4cyclictest41-21ksoftirqd/307:15:053
2002499445,5cyclictest41-21ksoftirqd/308:34:483
2002499433,5cyclictest41-21ksoftirqd/312:00:003
50798420,1rtkit-daemon0-21swapper/009:54:240
2002499424,4cyclictest41-21ksoftirqd/309:23:033
20024994215,8cyclictest41-21ksoftirqd/307:31:073
20024994214,8cyclictest41-21ksoftirqd/307:40:263
20022994238,2cyclictest25-21ksoftirqd/111:20:001
20022994236,3cyclictest29559-21cron08:35:001
138491420,0ptp4l401ktimersoftd/309:14:553
138491420,0ptp4l401ktimersoftd/308:29:413
138491420,0ptp4l401ktimersoftd/308:29:413
138491420,0ptp4l401ktimersoftd/307:47:373
2002499415,6cyclictest41-21ksoftirqd/309:51:093
2002499412,5cyclictest41-21ksoftirqd/308:48:293
20024994117,9cyclictest41-21ksoftirqd/310:35:263
2002499410,6cyclictest41-21ksoftirqd/308:04:023
138491410,0ptp4l401ktimersoftd/309:15:333
2002499403,5cyclictest41-21ksoftirqd/310:51:253
2002499402,6cyclictest41-21ksoftirqd/312:30:143
20024994016,8cyclictest41-21ksoftirqd/311:20:263
20024994015,5cyclictest41-21ksoftirqd/312:20:173
20024994015,5cyclictest41-21ksoftirqd/312:20:163
2002299400,37cyclictest7072-21cron08:55:011
50798390,2rtkit-daemon0-21swapper/110:20:111
2002499394,6cyclictest41-21ksoftirqd/308:05:153
20024993935,3cyclictest41-21ksoftirqd/307:40:013
50798380,3rtkit-daemon28125-21meminfo10:40:201
2002499383,5cyclictest41-21ksoftirqd/310:40:073
20024993835,2cyclictest391rcuc/309:00:263
20024993835,2cyclictest391rcuc/309:00:263
20024993812,7cyclictest41-21ksoftirqd/309:30:283
20022993833,3cyclictest9826-21sh07:55:001
20022993829,6cyclictest25-21ksoftirqd/109:55:001
2002499374,7cyclictest41-21ksoftirqd/311:45:223
20024993734,2cyclictest391rcuc/310:48:023
20024993733,2cyclictest391rcuc/309:35:483
20024993731,4cyclictest41-21ksoftirqd/312:39:173
20023993731,4cyclictest33-21ksoftirqd/208:51:582
20022993730,5cyclictest25-21ksoftirqd/109:15:001
20022993729,5cyclictest25-21ksoftirqd/109:40:111
50798360,3rtkit-daemon4592-21taskset07:41:091
50798360,2rtkit-daemon0-21swapper/110:11:071
20024993633,2cyclictest391rcuc/311:29:183
20024993631,3cyclictest41-21ksoftirqd/310:15:193
2002499362,8cyclictest41-21ksoftirqd/310:55:113
20024993614,8cyclictest41-21ksoftirqd/310:10:013
20024993611,3cyclictest41-21ksoftirqd/311:18:563
20023993631,3cyclictest33-21ksoftirqd/212:39:592
20023993631,3cyclictest33-21ksoftirqd/209:15:122
20023993631,3cyclictest29554-21cron08:35:012
20022993631,3cyclictest25-21ksoftirqd/110:20:011
20022993631,3cyclictest25-21ksoftirqd/108:10:191
20022993631,3cyclictest25-21ksoftirqd/107:35:011
20022993630,4cyclictest25-21ksoftirqd/110:47:301
20021993631,3cyclictest9-21ksoftirqd/011:40:110
20021993630,4cyclictest9-21ksoftirqd/008:46:060
20024993531,3cyclictest41-21ksoftirqd/310:20:193
20024993530,3cyclictest41-21ksoftirqd/308:10:263
20023993531,3cyclictest33-21ksoftirqd/208:20:332
20023993529,4cyclictest33-21ksoftirqd/212:26:002
20023993529,4cyclictest33-21ksoftirqd/209:38:392
20023993529,4cyclictest33-21ksoftirqd/209:27:042
20023993529,4cyclictest33-21ksoftirqd/207:37:002
20023993529,4cyclictest33-21ksoftirqd/207:34:192
20023993528,4cyclictest33-21ksoftirqd/211:10:022
20022993531,3cyclictest25-21ksoftirqd/112:05:001
20022993529,4cyclictest25-21ksoftirqd/111:10:071
20022993529,4cyclictest25-21ksoftirqd/110:39:401
20022993529,4cyclictest25-21ksoftirqd/110:30:581
20022993529,4cyclictest25-21ksoftirqd/109:21:211
20022993529,4cyclictest25-21ksoftirqd/109:03:241
20022993529,4cyclictest25-21ksoftirqd/109:03:241
20022993529,4cyclictest25-21ksoftirqd/108:47:031
20022993529,4cyclictest25-21ksoftirqd/108:35:081
20022993529,4cyclictest25-21ksoftirqd/108:16:311
20022993528,5cyclictest25-21ksoftirqd/108:28:581
20022993528,5cyclictest25-21ksoftirqd/108:28:581
20024993430,3cyclictest41-21ksoftirqd/310:00:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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