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2025-12-06 - 21:48
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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 Dec 06, 2025 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137191220128,80phc2sys0-21swapper/307:05:173
60162203168,23sleep00-21swapper/007:07:230
59312203170,22sleep20-21swapper/207:06:172
59302202169,22sleep10-21swapper/107:06:151
2921821850,6sleep1651499cyclictest11:20:001
136991690,1ptp4l401ktimersoftd/310:38:463
136991650,1ptp4l401ktimersoftd/308:11:433
320402580,1sleep10-21swapper/109:10:151
136991550,1ptp4l401ktimersoftd/310:05:163
186562500,2sleep00-21swapper/012:05:160
136991490,1ptp4l401ktimersoftd/310:48:023
136991490,0ptp4l401ktimersoftd/310:28:053
132891470,2getstats651699cyclictest08:15:093
6513994327,5cyclictest9-21ksoftirqd/008:05:010
651399431,39cyclictest9909-21cron10:40:010
136991430,0ptp4l401ktimersoftd/311:28:223
6515994237,3cyclictest33-21ksoftirqd/212:40:002
136991420,0ptp4l401ktimersoftd/309:11:593
136991420,0ptp4l401ktimersoftd/308:52:483
132891420,1getstats7838-1kworker/3:0H07:30:093
59298410,9rtkit-daemon0-21swapper/007:58:030
136991410,0ptp4l401ktimersoftd/311:05:233
6516994034,4cyclictest41-21ksoftirqd/309:30:003
6515994035,3cyclictest33-21ksoftirqd/211:45:002
6514994034,4cyclictest25-21ksoftirqd/111:50:001
136991400,33ptp4l0-21swapper/307:10:003
6515993927,10cyclictest33-21ksoftirqd/212:15:252
6513993934,3cyclictest9-21ksoftirqd/010:50:000
6516993831,5cyclictest41-21ksoftirqd/310:51:583
6515993834,3cyclictest33-21ksoftirqd/209:25:002
6515993832,3cyclictest33-21ksoftirqd/207:39:592
6515993826,10cyclictest33-21ksoftirqd/211:05:272
6516993732,3cyclictest41-21ksoftirqd/309:20:013
6516993732,3cyclictest41-21ksoftirqd/307:30:003
6516993731,4cyclictest41-21ksoftirqd/311:36:153
6516993731,4cyclictest41-21ksoftirqd/310:18:203
6515993731,3cyclictest33-21ksoftirqd/212:25:002
6515993730,5cyclictest33-21ksoftirqd/208:17:402
6514993730,5cyclictest25-21ksoftirqd/108:02:031
6513993732,3cyclictest9-21ksoftirqd/010:55:000
136991370,0ptp4l401ktimersoftd/311:30:233
6515993632,3cyclictest33-21ksoftirqd/208:50:002
6515993631,3cyclictest33-21ksoftirqd/210:15:192
6515993631,3cyclictest33-21ksoftirqd/210:10:192
6515993631,2cyclictest33-21ksoftirqd/209:45:002
6515993630,4cyclictest33-21ksoftirqd/208:34:332
6515993630,3cyclictest33-21ksoftirqd/207:45:002
6514993630,4cyclictest25-21ksoftirqd/112:23:591
6514993630,4cyclictest25-21ksoftirqd/110:04:141
6514993630,4cyclictest25-21ksoftirqd/107:35:481
6513993632,3cyclictest9-21ksoftirqd/007:30:000
6513993631,3cyclictest9-21ksoftirqd/012:00:000
6513993631,3cyclictest9-21ksoftirqd/009:00:010
6513993631,3cyclictest9-21ksoftirqd/008:50:000
136991360,6ptp4l651699cyclictest10:30:223
136991360,0ptp4l401ktimersoftd/312:05:273
6516993530,3cyclictest41-21ksoftirqd/312:23:503
6516993530,3cyclictest41-21ksoftirqd/311:20:003
6516993530,3cyclictest41-21ksoftirqd/310:00:013
6516993529,4cyclictest41-21ksoftirqd/312:00:413
6516993529,4cyclictest41-21ksoftirqd/311:50:553
6515993530,3cyclictest33-21ksoftirqd/209:10:012
6515993530,3cyclictest33-21ksoftirqd/209:05:002
6515993529,4cyclictest33-21ksoftirqd/212:14:292
6515993529,4cyclictest33-21ksoftirqd/211:46:212
6515993529,4cyclictest33-21ksoftirqd/211:34:442
6515993529,4cyclictest33-21ksoftirqd/211:15:522
6515993529,4cyclictest33-21ksoftirqd/209:45:122
6515993529,4cyclictest33-21ksoftirqd/208:29:242
6515993529,3cyclictest33-21ksoftirqd/211:20:202
6515993529,3cyclictest33-21ksoftirqd/211:10:192
6515993528,5cyclictest33-21ksoftirqd/210:41:022
6515993526,7cyclictest33-21ksoftirqd/208:55:172
6514993530,3cyclictest25-21ksoftirqd/111:53:301
6514993529,4cyclictest25-21ksoftirqd/110:24:081
6514993529,4cyclictest25-21ksoftirqd/108:27:071
6514993528,5cyclictest25-21ksoftirqd/108:49:201
6513993530,3cyclictest9-21ksoftirqd/009:10:010
6513993530,3cyclictest12301-21cron10:45:000
136991350,1ptp4l391rcuc/308:20:213
6516993429,3cyclictest41-21ksoftirqd/312:35:303
6516993429,3cyclictest41-21ksoftirqd/308:30:213
6516993428,4cyclictest41-21ksoftirqd/310:01:563
6515993430,3cyclictest33-21ksoftirqd/210:55:002
6515993430,3cyclictest33-21ksoftirqd/207:25:002
6515993429,3cyclictest33-21ksoftirqd/212:35:002
6515993429,3cyclictest33-21ksoftirqd/210:20:272
6515993429,3cyclictest33-21ksoftirqd/210:05:282
6515993428,4cyclictest33-21ksoftirqd/210:39:342
6515993428,4cyclictest33-21ksoftirqd/209:58:382
6515993428,4cyclictest33-21ksoftirqd/208:43:082
6515993428,4cyclictest33-21ksoftirqd/208:06:382
6515993428,4cyclictest33-21ksoftirqd/207:12:462
6515993428,3cyclictest33-21ksoftirqd/209:15:002
6515993424,8cyclictest33-21ksoftirqd/207:25:112
6515993422,10cyclictest33-21ksoftirqd/212:25:292
651599340,2cyclictest121rcu_preempt11:50:192
6514993428,4cyclictest25-21ksoftirqd/112:25:231
6514993428,4cyclictest25-21ksoftirqd/109:18:061
6514993428,4cyclictest25-21ksoftirqd/108:32:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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