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2026-07-31 - 02:13
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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 Thu Jul 30, 2026 12:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491235168,22phc2sys0-21swapper/307:08:213
9342205172,22sleep00-21swapper/007:08:390
9102203170,22sleep20-21swapper/207:08:212
8272202169,22sleep10-21swapper/107:07:151
1379521670,2sleep30-21swapper/309:45:193
134391650,8getstats156499cyclictest11:14:573
1563995525,4cyclictest33-21ksoftirqd/208:51:382
139391520,1ptp4l401ktimersoftd/310:56:433
1564994742,3cyclictest31965-21dump-pmu-power12:40:003
1563994438,3cyclictest21013-21fschecks_count10:00:132
1562994338,2cyclictest25-21ksoftirqd/108:51:511
1562994238,3cyclictest25-21ksoftirqd/112:00:011
156199421,38cyclictest2551-21cron08:20:000
1563994036,3cyclictest33-21ksoftirqd/211:20:002
1563994036,3cyclictest33-21ksoftirqd/211:20:002
1562994035,3cyclictest25-21ksoftirqd/111:30:001
1562994035,3cyclictest25-21ksoftirqd/110:40:001
1564993934,3cyclictest41-21ksoftirqd/309:23:493
1562993933,3cyclictest25-21ksoftirqd/108:05:001
139391390,1ptp4l401ktimersoftd/309:30:143
134391390,2getstats0-21swapper/311:24:573
1564993822,7cyclictest41-21ksoftirqd/308:51:373
1562993832,3cyclictest25-21ksoftirqd/108:35:011
139391380,0ptp4l401ktimersoftd/312:10:263
1564993731,4cyclictest41-21ksoftirqd/310:14:443
1563993731,3cyclictest33-21ksoftirqd/209:30:502
1563993730,4cyclictest33-21ksoftirqd/210:51:582
1562993731,4cyclictest25-21ksoftirqd/109:56:521
1562993731,4cyclictest25-21ksoftirqd/108:09:011
1562993731,3cyclictest25-21ksoftirqd/108:30:001
1564993631,3cyclictest41-21ksoftirqd/311:35:103
1564993630,4cyclictest41-21ksoftirqd/310:19:053
1563993631,3cyclictest33-21ksoftirqd/208:50:002
1563993631,3cyclictest33-21ksoftirqd/207:50:112
1563993629,5cyclictest33-21ksoftirqd/212:05:582
1562993633,2cyclictest25-21ksoftirqd/111:00:001
1562993630,4cyclictest25-21ksoftirqd/112:34:571
1562993629,5cyclictest25-21ksoftirqd/108:47:121
1562993629,4cyclictest25-21ksoftirqd/107:45:261
1564993529,4cyclictest41-21ksoftirqd/312:00:333
1564993529,4cyclictest41-21ksoftirqd/311:55:093
1564993529,4cyclictest41-21ksoftirqd/309:26:103
1564993529,4cyclictest41-21ksoftirqd/309:12:173
1563993530,3cyclictest33-21ksoftirqd/209:00:002
1563993529,4cyclictest33-21ksoftirqd/210:37:452
1563993529,4cyclictest33-21ksoftirqd/207:59:552
1562993530,3cyclictest25-21ksoftirqd/112:05:181
1562993530,3cyclictest25-21ksoftirqd/111:45:161
1562993530,3cyclictest25-21ksoftirqd/111:09:591
1562993530,2cyclictest25-21ksoftirqd/109:25:001
1562993529,4cyclictest25-21ksoftirqd/112:17:571
1562993529,4cyclictest25-21ksoftirqd/111:38:461
1562993529,3cyclictest25-21ksoftirqd/112:00:141
1562993529,3cyclictest25-21ksoftirqd/109:55:011
1562993528,4cyclictest25-21ksoftirqd/108:15:121
1561993529,4cyclictest9-21ksoftirqd/009:17:120
1561993529,4cyclictest9-21ksoftirqd/007:38:470
139391350,1ptp4l401ktimersoftd/311:30:143
139391350,0ptp4l401ktimersoftd/307:35:133
1564993428,4cyclictest41-21ksoftirqd/309:06:123
1564993428,4cyclictest41-21ksoftirqd/307:58:323
1564993428,4cyclictest41-21ksoftirqd/307:54:113
1564993428,3cyclictest41-21ksoftirqd/312:29:043
1563993429,3cyclictest33-21ksoftirqd/212:35:182
1563993428,4cyclictest33-21ksoftirqd/211:20:382
1563993428,4cyclictest33-21ksoftirqd/211:04:252
1563993428,4cyclictest33-21ksoftirqd/209:58:452
1563993428,4cyclictest33-21ksoftirqd/208:22:262
1563993428,4cyclictest33-21ksoftirqd/207:49:082
1563993428,4cyclictest33-21ksoftirqd/207:34:242
1563993422,10cyclictest33-21ksoftirqd/211:45:212
1562993429,3cyclictest25-21ksoftirqd/109:50:011
1562993429,3cyclictest25-21ksoftirqd/108:55:201
1562993428,4cyclictest25-21ksoftirqd/110:42:021
1562993428,4cyclictest25-21ksoftirqd/109:11:031
1562993428,4cyclictest25-21ksoftirqd/109:06:501
1562993428,3cyclictest25-21ksoftirqd/111:20:011
1562993428,3cyclictest25-21ksoftirqd/111:20:011
1562993428,3cyclictest25-21ksoftirqd/107:55:001
1562993427,5cyclictest25-21ksoftirqd/107:57:061
156299341,3cyclictest121rcu_preempt10:00:201
1561993429,3cyclictest0-21swapper/007:10:010
1561993428,4cyclictest9-21ksoftirqd/012:31:360
1561993428,4cyclictest9-21ksoftirqd/011:53:250
1561993428,4cyclictest9-21ksoftirqd/009:25:300
1561993428,4cyclictest9-21ksoftirqd/009:13:590
1561993428,4cyclictest9-21ksoftirqd/008:36:560
1561993428,4cyclictest9-21ksoftirqd/007:24:400
1564993328,3cyclictest41-21ksoftirqd/311:15:113
1564993328,3cyclictest41-21ksoftirqd/311:15:113
1564993327,4cyclictest41-21ksoftirqd/309:52:173
1564993327,4cyclictest41-21ksoftirqd/309:37:333
1564993327,4cyclictest41-21ksoftirqd/307:11:103
1563993328,3cyclictest33-21ksoftirqd/211:30:002
1563993327,4cyclictest33-21ksoftirqd/211:41:402
1563993327,4cyclictest33-21ksoftirqd/210:45:032
1563993327,4cyclictest33-21ksoftirqd/210:16:232
1563993327,4cyclictest33-21ksoftirqd/209:29:342
1563993327,3cyclictest33-21ksoftirqd/209:23:492
1563993322,9cyclictest33-21ksoftirqd/211:05:262
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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