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2025-05-12 - 23:59
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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 Mon May 12, 2025 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134791205170,23phc2sys0-21swapper/307:08:043
98992203170,23sleep10-21swapper/107:07:311
98782203169,22sleep00-21swapper/007:07:130
98232201168,22sleep20-21swapper/207:06:322
126202860,3sleep0111rcuc/012:20:010
1347918262,11phc2sys0-21swapper/307:10:003
134991660,1ptp4l401ktimersoftd/309:01:263
190532650,5sleep11038699cyclictest11:25:261
134991650,1ptp4l401ktimersoftd/310:16:093
134991630,1ptp4l401ktimersoftd/312:10:113
134991560,1ptp4l401ktimersoftd/312:37:283
134991560,1ptp4l401ktimersoftd/308:01:493
134991530,1ptp4l401ktimersoftd/310:00:253
10385995042,4cyclictest19747-21sh12:35:000
10388994540,3cyclictest2508-21sh12:00:003
134991440,0ptp4l401ktimersoftd/311:12:363
134991440,0ptp4l401ktimersoftd/311:00:143
134991440,0ptp4l401ktimersoftd/310:07:583
10387994438,3cyclictest227-21systemd-journal09:01:362
134991430,0ptp4l401ktimersoftd/309:43:363
134991420,0ptp4l401ktimersoftd/308:50:143
1038799420,39cyclictest5968-21cron10:40:002
10386994237,3cyclictest25-21ksoftirqd/109:59:591
10387994135,3cyclictest30009-21cron07:50:002
10386994134,4cyclictest25-21ksoftirqd/108:20:161
134991400,0ptp4l401ktimersoftd/312:33:013
134991400,0ptp4l401ktimersoftd/311:20:203
10386994033,4cyclictest25-21ksoftirqd/110:35:001
10386993934,3cyclictest25-21ksoftirqd/111:50:001
10386993934,3cyclictest25-21ksoftirqd/107:20:001
10385993933,3cyclictest9-21ksoftirqd/012:30:000
134991380,1ptp4l401ktimersoftd/308:35:503
10387993833,2cyclictest33-21ksoftirqd/212:30:002
10386993834,3cyclictest25-21ksoftirqd/107:45:011
10386993831,4cyclictest25-21ksoftirqd/111:20:151
10385993834,3cyclictest9-21ksoftirqd/007:20:010
10386993732,3cyclictest25-21ksoftirqd/112:30:001
10386993732,3cyclictest25-21ksoftirqd/112:30:001
10386993732,3cyclictest25-21ksoftirqd/108:20:011
10386993731,4cyclictest25-21ksoftirqd/108:06:481
10385993733,3cyclictest9-21ksoftirqd/009:25:010
10385993732,3cyclictest9-21ksoftirqd/011:40:000
10385993731,4cyclictest9-21ksoftirqd/011:50:320
134991360,0ptp4l401ktimersoftd/309:06:053
10388993631,3cyclictest41-21ksoftirqd/308:16:093
10388993630,4cyclictest41-21ksoftirqd/310:57:323
10388993630,4cyclictest41-21ksoftirqd/308:08:583
10388993629,4cyclictest41-21ksoftirqd/310:11:063
10387993630,4cyclictest33-21ksoftirqd/208:29:592
10387993628,5cyclictest33-21ksoftirqd/212:35:002
10386993632,3cyclictest25-21ksoftirqd/111:10:001
10386993632,2cyclictest25-21ksoftirqd/109:10:011
10386993631,3cyclictest25-21ksoftirqd/108:11:361
10386993631,3cyclictest25-21ksoftirqd/108:11:361
10386993631,3cyclictest25-21ksoftirqd/107:50:211
10386993630,4cyclictest25-21ksoftirqd/111:16:281
10386993630,4cyclictest25-21ksoftirqd/110:24:051
10386993630,4cyclictest25-21ksoftirqd/109:12:511
10386993630,4cyclictest25-21ksoftirqd/108:45:031
10386993630,3cyclictest7541-21latency_hist12:10:001
10386993630,3cyclictest25-21ksoftirqd/108:25:151
10386993630,3cyclictest25-21ksoftirqd/107:25:001
10386993629,4cyclictest25-21ksoftirqd/110:35:101
10386993629,4cyclictest25-21ksoftirqd/109:40:001
10386993629,4cyclictest11128-21cron11:05:001
10385993631,3cyclictest9-21ksoftirqd/010:35:000
10385993631,3cyclictest9-21ksoftirqd/008:50:180
10385993630,4cyclictest9-21ksoftirqd/011:44:470
10385993630,4cyclictest9-21ksoftirqd/009:05:320
10385993630,3cyclictest9-21ksoftirqd/009:20:000
10388993531,3cyclictest41-21ksoftirqd/307:25:003
10388993530,3cyclictest41-21ksoftirqd/308:30:543
10388993529,4cyclictest41-21ksoftirqd/310:40:513
10388993529,4cyclictest41-21ksoftirqd/307:44:203
10387993529,4cyclictest33-21ksoftirqd/210:21:442
10387993529,4cyclictest33-21ksoftirqd/209:42:492
10387993528,4cyclictest33-21ksoftirqd/207:35:112
10386993531,3cyclictest25-21ksoftirqd/112:35:141
10386993531,3cyclictest25-21ksoftirqd/108:55:001
10386993530,3cyclictest25-21ksoftirqd/111:55:011
10386993530,3cyclictest25-21ksoftirqd/107:30:001
10386993529,4cyclictest25-21ksoftirqd/112:17:531
10386993529,4cyclictest25-21ksoftirqd/108:02:341
10386993529,3cyclictest25-21ksoftirqd/112:20:191
10386993529,3cyclictest25-21ksoftirqd/112:05:001
10386993529,3cyclictest25-21ksoftirqd/111:35:191
10385993531,2cyclictest9-21ksoftirqd/010:20:000
10385993530,3cyclictest9-21ksoftirqd/008:08:520
10385993530,3cyclictest9-21ksoftirqd/007:20:130
10385993529,4cyclictest9-21ksoftirqd/010:57:410
10385993529,4cyclictest9-21ksoftirqd/009:10:490
10385993529,4cyclictest9-21ksoftirqd/007:34:250
10385993529,4cyclictest9-21ksoftirqd/007:29:040
10385993529,3cyclictest9-21ksoftirqd/009:59:590
10385993528,5cyclictest9-21ksoftirqd/007:13:400
10388993428,4cyclictest41-21ksoftirqd/312:16:393
10388993428,4cyclictest41-21ksoftirqd/311:31:423
10388993428,4cyclictest41-21ksoftirqd/310:47:493
10388993428,4cyclictest41-21ksoftirqd/309:47:243
10388993428,4cyclictest41-21ksoftirqd/309:31:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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